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2783 Chernyshevskij (1974 RA2)
Classification: Main-belt Asteroid          SPK-ID: 2002783
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1635276422897892 1.4052e-08  
a 2.561333508434643 7.2246e-09 au
q 2.142484678682492 3.6711e-08 au
i .7831350729256982 5.1344e-07 deg
node 198.300094655015 2.5132e-05 deg
peri 170.8958488380839 2.5481e-05 deg
M 92.33758562162066 3.5272e-06 deg
tp 2458816.462496718142
(2019-Nov-28.96249672)
1.4232e-05 TDB
period 1497.261383333128
4.10
6.3348e-06
1.734e-08
d
yr
n .2404389801322373 1.0173e-09 deg/d
Q 2.980182338186794 8.406e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2968  
   data-arc span      18449 days (50.51 yr)  
   first obs. used      1970-09-09  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43057  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:15:56  

Additional Information
 Earth MOID = 1.14027 au 
 Jupiter MOID = 2.4849 au 
 T_jup = 3.416 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.32   n/a E2021B10  
diameter diameter 6.196 km 0.370 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.455 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Stephens, R.D.; Warner, B.D. (2020) Minor Planet Bull. 47, 125-133.]
geometric albedo albedo 0.265   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2783 Chernyshevskij (1974 RA2)          Discovered 1974-Sep-14 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1974 RA2 = 1970 RJ = 1978 PH2 = 1978 SZ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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