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1907 Rudneva (1972 RC2)
Classification: Main-belt Asteroid          SPK-ID: 2001907
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 .04306915669845642 3.2076e-08  
a 2.547271052374886 7.4903e-09 au
q 2.43756223626671 8.2052e-08 au
i 3.220493291254248 3.8167e-06 deg
node 152.0313077458338 5.7368e-05 deg
peri 60.11824324078041 7.1941e-05 deg
M 62.66769713666244 4.2813e-05 deg
tp 2458742.004848066380
(2019-Sep-15.50484807)
0.00017658 TDB
period 1484.947731415222
4.07
6.5498e-06
1.793e-08
d
yr
n .24243277550039 1.0693e-09 deg/d
Q 2.656979868483062 7.8129e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3287  
   data-arc span      30148 days (82.54 yr)  
   first obs. used      1938-03-08  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43614  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 15:36:35  

Additional Information
 Earth MOID = 1.43322 au 
 Jupiter MOID = 2.30313 au 
 T_jup = 3.439 
[ 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 12.1   n/a MPO473790  
diameter diameter 10.977 km 0.108 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 44. h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.232   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1907 Rudneva (1972 RC2)          Discovered 1972-Sep-11 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1972 RC2 = 1935 QX = 1938 EY = 1938 FK = 1942 EH = 1942 EM1 = 1950 EP = 1950 FB = 1950 HL = 1958 DD = 1958 FN = 1970 CP 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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