29:
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of approximately 64 hours, which is much longer than can be continually observed from one site. During 2010−2011, an international collaboration to study the asteroid collected 9,037
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Pilcher, Frederick; et al. (July 2011), "Rotation Period
Determination for 280 Philia - A Triumph of Global Collaboration",
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Bulletin of the Minor
Planets Section of the Association of Lunar and Planetary Observers
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Sparse data collected during a 1987 study indicated this asteroid has a
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545:, vol. 38, no. 3, pp. 127–128,
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1036:This article about an asteroid native to the
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427:data points over 38 sessions. The resulting
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1111:Astronomical objects discovered in 1888
1091:Minor planet object articles (numbered)
510:The Encyclopedia of Heavenly Influences
464:
20:
292:Longitude of ascending node
7:
1026:
1024:
629:
1044:. You can help Knowledge (XXG) by
14:
226:2.94460 AU (440.506 Gm)
214:2.62787 AU (393.124 Gm)
1028:
572:AstDyS-2, Asteroids—Dynamic Site
85:
443:with a brightness variation of
186:126.17 yr (46,083 d)
1:
248:5.05 yr (1,845.6 d)
1101:Discoveries by Johann Palisa
304:Argument of perihelion
1132:
1023:
412:on 29 October 1888 at the
142:Minor planet category
790:
775:Small Solar System bodies
716:
487:Jet Propulsion Laboratory
392:
243:Orbital period (sidereal)
172:
160:
26:
1116:Main-belt-asteroid stubs
507:Lewis, James R. (2003).
380:Absolute magnitude
315:Physical characteristics
130:Alternative designations
710:Minor planets navigator
621:JPL Small-Body Database
478:JPL Small-Body Database
408:. It was discovered by
342:Synodic rotation period
155:Orbital characteristics
900:Trans-Neptunian object
585:Observation prediction
174:Uncertainty parameter
1096:Background asteroids
873:Distant minor planet
431:analysis displays a
71:MPC designation
1106:Named minor planets
672:Physical parameters
551:2011MPBu...38..127P
56:Discovery date
23:
609:Observational info
414:Vienna Observatory
401:is a fairly large
275:0° 11 42.212 / day
45:Discovered by
16:Main-belt asteroid
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815:Meanings of names
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664:Orbital elements
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362:Geometric albedo
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601:Proper elements
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513:. p. 521.
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433:rotation period
421:rotation period
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221:Semi-major axis
182:Observation arc
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59:29 October 1888
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33:Orbital diagram
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974:Near-parabolic
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920:Scattered disc
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888:Neptune trojan
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863:Spectral types
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632:Close approach
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164:31 July 2016 (
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122:Philia (nymph)
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1038:asteroid belt
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843:Asteroid belt
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838:Aten asteroid
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783:Minor planets
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656:Orbit diagram
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520:9781578591442
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410:Johann Palisa
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81:Pronunciation
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50:Johann Palisa
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1046:expanding it
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1010:Space debris
733:281 Lucretia
725:
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659:
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604:
596:
593:Orbital info
588:
580:
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536:
524:. Retrieved
509:
502:
490:. Retrieved
476:
473:"280 Philia"
467:
418:
398:
397:
381:
351:(2.928
255:Mean anomaly
232:Eccentricity
76:(280) Philia
64:Designations
18:
1000:Cosmic dust
964:Long-period
954:Halley-type
910:Kuiper belt
795:Designation
441:0.03 h
429:light curve
425:photometric
347:70.26
281:Inclination
270:Mean motion
117:Named after
1085:Categories
1005:Meteoroids
984:Sungrazing
959:Hyperbolic
915:Oort cloud
858:Near-Earth
727:280 Philia
721:279 Thule
616:280 Philia
568:280 Philia
459:References
399:280 Philia
322:Dimensions
210:Perihelion
168:2457600.5)
22:280 Philia
895:Damocloid
648:Ephemeris
640:Discovery
577:Ephemeris
453:magnitude
403:Main belt
331:2.0
148:Main belt
39:Discovery
979:Periodic
905:Detached
825:Asteroid
406:asteroid
309:90.0510°
297:9.91179°
285:7.44582°
192:Aphelion
944:Extinct
883:Centaur
618:at the
547:Bibcode
526:6 April
260:52.7987
236:0.10756
135:A888 UB
936:Comets
848:Family
833:Active
800:Groups
668:·
666:
660:·
658:
652:·
650:
644:·
642:
636:·
634:
605:·
603:
597:·
595:
589:·
587:
581:·
579:
517:
492:11 May
368:0.0444
1040:is a
993:Other
949:Great
670:
662:
654:
646:
638:
607:
599:
591:
583:
437:70.26
372:0.004
327:45.69
162:Epoch
1042:stub
969:Lost
810:Moon
805:List
528:2015
515:ISBN
494:2016
483:NASA
449:0.02
445:0.15
388:10.9
570:at
451:in
435:of
382:(H)
1087::
481:.
475:.
455:.
416:.
333:km
202:Gm
198:AU
166:JD
1073:e
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549::
530:.
496:.
485:/
447:±
439:±
370:±
355:)
353:d
349:h
329:±
262:°
204:)
176:0
108:/
105:ə
102:i
99:l
96:ɪ
93:f
90:ˈ
87:/
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