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107 Camilla (A868 WA)
Classification: Outer Main-belt Asteroid          SPK-ID: 2000107
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 109 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06510884525799215 2.8967e-08  
a 3.490592890456333 1.401e-08 au
q 3.263324418092964 1.0235e-07 au
i 10.00145319795549 3.3462e-06 deg
node 172.5826384612626 1.9145e-05 deg
peri 306.3970080173832 3.3671e-05 deg
M 27.1200745147726 2.7271e-05 deg
tp 2458821.053247061421
(2019-Dec-03.55324706)
0.00018051 TDB
period 2382.029998579089
6.52
1.4341e-05
3.926e-08
d
yr
n .15113159792897 9.099e-10 deg/d
Q 3.717861362819702 1.4922e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3489  
   data-arc span      55337 days (151.50 yr)  
   first obs. used      1868-12-05  
   last obs. used      2020-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43009  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:07:22  

Additional Information
 Earth MOID = 2.29137 au 
 Jupiter MOID = 1.35282 au 
 T_jup = 3.100 
[ hide covariance matrix ]
Orbital Elements at Epoch 2454935.5 (2009-Apr-14.0) TDB
Reference: JPL 109 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07758239468089963 2.8048e-08  
q 3.206031967686292 1.0126e-07 au
tp 2454087.911545692883
(2006-Dec-18.41154569)
0.0001598 TDB
node 173.1231640150891 1.9009e-05 deg
peri 309.7697822878099 3.0428e-05 deg
i 10.04946689351173 3.3638e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3489  
   data-arc span      55337 days (151.50 yr)  
   first obs. used      1868-12-05  
   last obs. used      2020-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43009  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:07:22  

Additional Information
 Jupiter MOID = 1.35282 au 
 T_jup = 3.100 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.866935172717572E-16 -2.816254208875383E-15 2.162920945786611E-13 1.115050111609511E-15 2.904999947413435E-14 -5.703432158813407E-16
q -2.816254208875383E-15 1.025385732053128E-14 -1.616582577335976E-12 -5.988148142456638E-15 -2.212292776640223E-13 2.324219023444833E-15
tp 2.162920945786611E-13 -1.616582577335976E-12 2.553705967298736E-8 1.623421882476211E-11 3.816065686679034E-9 -1.902643629056201E-12
node 1.115050111609511E-15 -5.988148142456638E-15 1.623421882476211E-11 3.613318510156886E-10 -3.527448600033165E-10 7.069110213382867E-12
peri 2.904999947413435E-14 -2.212292776640223E-13 3.816065686679034E-9 -3.527448600033165E-10 9.258404632785405E-10 -7.277754434684716E-12
i -5.703432158813407E-16 2.324219023444833E-15 -1.902643629056201E-12 7.069110213382867E-12 -7.277754434684716E-12 1.131542508591279E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.1   n/a MPO502153 IRAS observations used: 27
magnitude slope G 0.08   n/a PDS3 (MPC 17257) Fit
diameter diameter 210.370 km 8.326 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
GM GM 0.7475 km^3/s^2 0.0022 Pajuelo, M.; Carry, B.; Vachier, F.; Marsset, M.; et al. (2018) Icarus 309, 134-161  
bulk density density 1.280 g/cm^3 0.043 Pajuelo, M.; Carry, B.; Vachier, F.; Marsset, M.; et al. (2018) Icarus 309, 134-161  
rotation period rot_per 4.844 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Di Martino, M.; Zappala, V.; De Campos, J.A.; Debehogne, H.; Lagerkvist, C.-I. (1987) Astron. Astrophys. Suppl. Ser. 67, 95-101.]
[Weidenschilling, S.J.; Chapman, C.R.; Davis, D.R.; Greenberg, R.; et al. (1987) Icarus 70, 191-245.]
[Drummond, J.D.; Weidenschilling, S.J.; Chapman, C.R.; Davis, D.R. (1988) Icarus 76, 19-77.]
[Harris, A.W.; Young, J.W. (1989) Icarus 81, 314-364.]
[Magnusson, P. (1990) Icarus 85, 229-240.]
[Drummond, J.D.; Weidenschilling, S.J.; Chapman, C.R.; Davis, D.R. (1991) Icarus 89, 44-64.]
[De Angelis, G. (1995) Planet. Space Sci. 43, 649-682.]
[Svoren, J.; Babiakova, U. (2002) Mem. Soc. Astron. Ital. 73, 726-729.]
[Torppa, J.; Kaasalainen, M.; Michalowski, T.; Kwiatkowski, T.; et al. (2003) Icarus 164, 346-383.]
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Polishook, D. (2009) Minor Planet Bull. 36, 119-120.]
[Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J.; Kaasalainen, M.; Herald, D.; Dunham, D.; et al. (2011) Icarus 214, 652-670.]
[Pietschnig, M. (2011) http://web.utanet.at/pietschm/]
[Hanus, J.; Marchis, F.; Durech, J. (2013) Icarus 226, 1045-1057.]
[Behrend, R. (2015) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Tanigawa, T.; Omae, Y.; Ebisu, D.; Mawano, M.; et al. (2015) Minor Planet Bull. 42, 248.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
[Behrend, R. (2017) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Viikinkoski, M.; Marchis, F.; Durech, J.; et al (2017) Astron. Astrophys. 601, A114.]
[Pajuelo, M.; Carry, B.; Vachier, F.; Marsset, M.; et al. (2018) Icarus 309, 134-161.]
geometric albedo albedo 0.059   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.705   0.016 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=14; phase (min.=2.25, mean=9.88, max.=17.86) deg.
U-B UB 0.298   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=6; phase (min.=2.25, mean=8.19, max.=17.86) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

107 Camilla (A868 WA)          Discovered 1868-Nov-17 by Pogson, N. R. at Madras
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 A868 WA = 1938 OG = 1949 HD1 = A893 QA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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