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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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05876471213931656 2.1672e-08  
a 3.018827831903846 1.3161e-08 au
q 2.841427283363859 6.9621e-08 au
i 10.30865089179033 1.1917e-06 deg
node 30.13650755591463 3.8552e-06 deg
peri 65.55803554531789 1.4245e-05 deg
M 305.7507167895287 1.2286e-05 deg
tp 2459489.200441685977
(2021-Oct-01.70044169)
6.5344e-05 TDB
period 1915.82547927362
5.25
1.2528e-05
3.43e-08
d
yr
n .1879085563349397 1.2288e-09 deg/d
Q 3.196228380443833 1.3934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3026  
   data-arc span      23149 days (63.38 yr)  
   first obs. used      1957-10-20  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38797  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:15:56  

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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