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1859 Kovalevskaya (1972 RS2)
Classification: Outer Main-belt Asteroid          SPK-ID: 2001859
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09840003093337579 3.6883e-08  
a 3.211547636508581 1.6018e-08 au
q 2.895531249732127 1.1959e-07 au
i 7.698180338577705 4.4018e-06 deg
node 343.2784805422542 2.7911e-05 deg
peri 245.2522307699171 3.6539e-05 deg
M 209.8684389826728 2.6317e-05 deg
tp 2459877.176729358619
(2022-Oct-24.67672936)
0.00015679 TDB
period 2102.180383861311
5.76
1.5727e-05
4.306e-08
d
yr
n .1712507655212477 1.2812e-09 deg/d
Q 3.527564023285035 1.7594e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2740  
   data-arc span      38295 days (104.85 yr)  
   first obs. used      1915-10-02  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:41:53  

Additional Information
 Earth MOID = 1.89732 au 
 Jupiter MOID = 1.53483 au 
 T_jup = 3.170 
[ 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 10.7   n/a MPO313433  
diameter diameter 44.634 km 0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 11.1140 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Aznar Macias, A. (2016) Minor Planet Bull. 43, 350-353]
geometric albedo albedo 0.053   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1859 Kovalevskaya (1972 RS2)          Discovered 1972-Sep-04 by Zhuravleva, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1972 RS2 = 1932 RD = 1941 BQ = 1942 HH = 1949 PU = 1949 QW = 1950 TM4 = 1953 EK1 = 1966 PC1 = A915 TK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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