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2787 Tovarishch (1978 RC6)
Classification: Main-belt Asteroid          SPK-ID: 2002787
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05861644455667737 3.415e-08  
a 3.018579347624084 1.5868e-08 au
q 2.841640958654145 1.0456e-07 au
i 10.30898814888858 4.3699e-06 deg
node 30.13612673125658 2.1601e-05 deg
peri 65.5988447860824 4.4457e-05 deg
M 268.1106506664662 3.8591e-05 deg
tp 2459489.450615300733
(2021-Oct-01.95061530)
0.00020595 TDB
period 1915.588942406702
5.24
1.5105e-05
4.136e-08
d
yr
n .1879317592780131 1.4819e-09 deg/d
Q 3.195517736594022 1.6798e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2345  
   data-arc span      22868 days (62.61 yr)  
   first obs. used      1957-10-20  
   last obs. used      2020-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42965  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:49:51  

Additional Information
 Earth MOID = 1.8767 au 
 Jupiter MOID = 1.94903 au 
 T_jup = 3.220 
[ 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 11.4   n/a MPO435724  
diameter diameter 19.707 km 0.362 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.125   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

2787 Tovarishch (1978 RC6)          Discovered 1978-Sep-13 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1978 RC6 = 1957 UY = 1970 EB1 = 1976 JO3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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