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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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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05861640050440106 3.4102e-08  
a 3.018579344233151 1.588e-08 au
q 2.841641088437268 1.0438e-07 au
i 10.30898324390618 4.3601e-06 deg
node 30.13612609317531 2.16e-05 deg
peri 65.5988958091241 4.4374e-05 deg
M 268.1105991195091 3.8496e-05 deg
tp 2459489.450888762339
(2021-Oct-01.95088876)		 0.00020543 TDB
period 1915.588939178876
5.24		 1.5116e-05
4.139e-08		 d
yr
n .1879317595946839 1.483e-09 deg/d
Q 3.195517600029033 1.6811e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2316  
   data-arc span      22656 days (62.03 yr)  
   first obs. used      1957-10-20  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43356  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:19:55  

Additional Information
 Earth MOID = 1.8767 au 
 Jupiter MOID = 1.94903 au 
 T_jup = 3.220 
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[ 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

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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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