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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09817384106158195 2.3814e-08  
a 3.212121548524574 1.3338e-08 au
q 2.896775238149239 8.0424e-08 au
i 7.698386615557196 9.6861e-07 deg
node 343.2714972373356 6.9564e-06 deg
peri 245.2343709043546 8.4938e-06 deg
M 244.1241937530992 7.7734e-06 deg
tp 2459877.325404249184
(2022-Oct-24.82540425)
4.6591e-05 TDB
period 2102.743906787042
5.76
1.3097e-05
3.586e-08
d
yr
n .1712048713293261 1.0664e-09 deg/d
Q 3.527467858899908 1.4648e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3203  
   data-arc span      38515 days (105.45 yr)  
   first obs. used      1915-10-02  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43307  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:02:43  

Additional Information
 Earth MOID = 1.89738 au 
 Jupiter MOID = 1.53368 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 10.78   n/a E2021B10  
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. 2020-October); 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, A.M. (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

[ show close-approach data ]
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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