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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04361685791437171 9.2048e-09  
a 2.546628287464411 6.9326e-09 au
q 2.435552363289356 2.2412e-08 au
i 3.222778132303282 5.9943e-07 deg
node 152.0088057486093 1.171e-05 deg
peri 59.76828093621238 2.6792e-05 deg
M 111.4739521286368 2.3015e-05 deg
tp 2458740.860161950729
(2019-Sep-14.36016195)
9.5098e-05 TDB
period 1484.385711083348
4.06
6.0613e-06
1.659e-08
d
yr
n .2425245657594357 9.9032e-10 deg/d
Q 2.657704211639466 7.2349e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3445  
   data-arc span      30240 days (82.79 yr)  
   first obs. used      1938-03-08  
   last obs. used      2020-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43085  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:05:48  

Additional Information
 Earth MOID = 1.43027 au 
 Jupiter MOID = 2.30116 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 12.16   n/a E2021B10  
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. 2020-October); 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

[ show close-approach data ]
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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