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JPL Small-Body Database Browser
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733 Mocia (A912 SA)
Classification: Outer Main-belt Asteroid          SPK-ID: 2000733
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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05852347913871501 4.481e-08  
a 3.400116528526599 1.7812e-08 au
q 3.201129879800173 1.5291e-07 au
i 20.28505192162649 4.6189e-06 deg
node 340.9838187313452 1.2342e-05 deg
peri 189.7202694199572 3.8127e-05 deg
M 279.0533886169633 3.7476e-05 deg
tp 2459515.414712635794
(2021-Oct-27.91471264)
0.0002397 TDB
period 2290.019228497712
6.27
1.7995e-05
4.927e-08
d
yr
n .1572039201767601 1.2353e-09 deg/d
Q 3.599103177253026 1.8854e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2501  
   data-arc span      40598 days (111.15 yr)  
   first obs. used      1909-02-21  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41499  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:11:42  

Additional Information
 Earth MOID = 2.20972 au 
 Jupiter MOID = 1.39478 au 
 T_jup = 3.044 
[ show covariance matrix ]

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 9.2   n/a MPO502160 IRAS observations used: 13
diameter diameter 98.493 km 2.907 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 11.374 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Binzel, R.P.; Sauter, L.M. (1992) Icarus 95, 222-238.]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.044   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.704   0.046 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=4.25, mean=9.49, max.=15.57) deg.
U-B UB 0.281   0.038 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=4.25, mean=9.49, max.=15.57) deg.
Tholen spectral type spec_T CF   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

733 Mocia (A912 SA)          Discovered 1912-Sep-16 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 A912 SA = 1987 QE4 = A909 DG = A909 GD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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