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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1636370494975774 1.3989e-08  
a 2.561309696306568 7.2193e-09 au
q 2.142184534753425 3.6514e-08 au
i .7832670548719562 5.1334e-07 deg
node 198.2844176736058 2.5116e-05 deg
peri 170.9258081569907 2.5469e-05 deg
M 139.4355476621482 3.5869e-06 deg
tp 2458816.587362125338
(2019-Nov-29.08736213)
1.418e-05 TDB
period 1497.240503839981
4.10
6.3302e-06
1.733e-08
d
yr
n .2404423331299855 1.0166e-09 deg/d
Q 2.98043485785971 8.4007e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3053  
   data-arc span      18531 days (50.74 yr)  
   first obs. used      1970-09-09  
   last obs. used      2021-06-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43062  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 21:58:03  

Additional Information
 Earth MOID = 1.14068 au 
 Jupiter MOID = 2.48537 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 13.33   n/a MPCxxxxx  
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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