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4207 Chernova (1986 RO2)
Classification: Main-belt Asteroid          SPK-ID: 2004207
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05670942587238955 4.2028e-08  
a 3.018739941268871 1.7419e-08 au
q 2.847548932341462 1.304e-07 au
i 9.026130261359611 4.2613e-06 deg
node 261.2729793952463 2.6996e-05 deg
peri 215.8807966317344 4.6843e-05 deg
M 23.35848515017868 3.6708e-05 deg
tp 2458876.197703610811
(2020-Jan-27.69770361)
0.0001955 TDB
period 1915.741813409751
5.25
1.6581e-05
4.54e-08
d
yr
n .187916762833114 1.6265e-09 deg/d
Q 3.189930950196279 1.8406e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2573  
   data-arc span      32647 days (89.38 yr)  
   first obs. used      1931-01-15  
   last obs. used      2020-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42194  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:53:32  

Additional Information
 Earth MOID = 1.86962 au 
 Jupiter MOID = 1.96428 au 
 T_jup = 3.226 
[ 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 11.6   n/a MPO365297  
diameter diameter 13.300 km 0.096 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 10.288 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:
[Albers, K.; Kragh, K.; Monnier, A.; Pligge, Z.; et al. (2010) Minor Planet Bull. 37, 152-158.]
[Hess, K.; Ditteon, R. (2016) Minor Planet Bull. 43, 87.]
geometric albedo albedo 0.284   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

4207 Chernova (1986 RO2)          Discovered 1986-Sep-05 by Bowell, E. at Flagstaff
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1986 RO2 = 1931 BF = 1971 ST2 = 1987 XF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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