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JPL Small-Body Database Browser
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787 Moskva (A914 HC)
Classification: Main-belt Asteroid          SPK-ID: 2000787
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1304258264116616 4.0734e-08  
a 2.539291342106689 8.6558e-09 au
q 2.208102170312447 1.0433e-07 au
i 14.8495634887513 6.2888e-06 deg
node 183.8374700962325 1.482e-05 deg
peri 125.7335026296635 2.8354e-05 deg
M .1031582033265775 2.4088e-05 deg
tp 2459000.076485295663
(2020-May-30.57648530)
9.8894e-05 TDB
period 1477.975465301644
4.05
7.5571e-06
2.069e-08
d
yr
n .2435764384806798 1.2454e-09 deg/d
Q 2.870480513900931 9.7847e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2547  
   data-arc span      38181 days (104.53 yr)  
   first obs. used      1915-10-15  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45745  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:12:59  

Additional Information
 Earth MOID = 1.22899 au 
 Jupiter MOID = 2.51304 au 
 T_jup = 3.388 
[ 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 9.7   n/a MPO250200  
diameter diameter 27.927 km 0.507 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 6.056 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Greve, T.R.; Pontoppidan, K.M.; Olsen, H.J.F. (1997) Astron. Nachr. 318, 387-390.]
[Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D. (2006) Minor Planet Bull. 33, 39-41.]
[Svoren, J.; Husarik, M.; Ambroz, J.; Drbohlav, J.; Medek, J. (2009) Earth, Moon, and Planets 105, 361-365.]
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D. (2011) Minor Planet Bull. 38, 52-54.]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
[Kim, M.-J.; Choi, Y.-J.; Moon, H.-K.; Byun, Y.-I.; et al. (2014) Astron. J. 147, A56.]
[Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.190   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

787 Moskva (A914 HC)          Discovered 1914-Apr-20 by Neujmin, G. at Simeis
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 A914 HC = 1934 FD = 1970 CT = A910 JC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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