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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05661222580390823 3.8647e-08  
a 3.018113788228904 1.6625e-08 au
q 2.8472516489478 1.1835e-07 au
i 9.025992300780166 4.0777e-06 deg
node 261.2672377272988 2.662e-05 deg
peri 215.6911099890868 4.6283e-05 deg
M 61.13528424898623 3.648e-05 deg
tp 2458875.269493095440
(2020-Jan-26.76949310)
0.00019437 TDB
period 1915.145793856075
5.24
1.5824e-05
4.332e-08
d
yr
n .1879752450987835 1.5532e-09 deg/d
Q 3.188975927510008 1.7566e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2753  
   data-arc span      32939 days (90.18 yr)  
   first obs. used      1931-01-15  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41249  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:28:47  

Additional Information
 Earth MOID = 1.86916 au 
 Jupiter MOID = 1.96494 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 11.70   n/a MPCxxxxx  
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. 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:
[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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