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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05876471724780424 2.9231e-08  
a 3.018827833896031 1.3847e-08 au
q 2.841427269817329 9.3896e-08 au
i 10.30865021822082 4.3354e-06 deg
node 30.13648600721724 1.6898e-05 deg
peri 65.55804277526846 4.2181e-05 deg
M 305.7507305181935 3.7968e-05 deg
tp 2459489.200368911406
(2021-Oct-01.70036891)
0.00020225 TDB
period 1915.825481170058
5.25
1.3182e-05
3.609e-08
d
yr
n .1879085561489328 1.2929e-09 deg/d
Q 3.196228397974733 1.4661e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2943  
   data-arc span      23104 days (63.26 yr)  
   first obs. used      1957-10-20  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39096  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:05:36  

Additional Information
 Earth MOID = 1.87616 au 
 Jupiter MOID = 1.94793 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 11.54   n/a E2021B10  
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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