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26839 (1991 RC10)
Classification: Main-belt Asteroid          SPK-ID: 2026839
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09620419300810966 7.3271e-08  
a 3.051391592612972 3.0208e-08 au
q 2.75783492689391 2.2027e-07 au
i 10.21837137788523 8.7385e-06 deg
node 349.9293177430425 3.0175e-05 deg
peri 36.77103663433674 4.9085e-05 deg
M 179.9434888382394 3.8751e-05 deg
tp 2456427.351806887933
(2013-May-14.85180689)
0.00020621 JED
period 1946.907619620942
5.33
2.8911e-05
7.915e-08
d
yr
n .1849086193776832 2.7459e-09 deg/d
Q 3.344948258332033 3.3115e-08 au
  Orbit Determination Parameters
   # obs. used (total)      922  
   data-arc span      8651 days (23.69 yr)  
   first obs. used      1991-09-12  
   last obs. used      2015-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56929  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:54:01  

Additional Information
 Earth MOID = 1.76661 au 
 Jupiter MOID = 2.15214 au 
 T_jup = 3.206 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.4 mag n/a MPO247581  
rotation period rot_per 3.2878 h n/a LCDB (Rev. 2015-December); 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.]

26839 (1991 RC10)          Discovered 1991-Sep-12 by Holt, H. E. at Palomar
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 RC10 = 1999 CF99 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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