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12300 (1991 RX10)
Classification: Main-belt Asteroid          SPK-ID: 2012300
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1010423801725474 9.8365e-08  
a 2.434842358283717 2.0196e-08 AU
q 2.188820091057791 2.3779e-07 AU
i 12.76445185336019 9.2966e-06 deg
node 1.315903628651552 2.5896e-05 deg
peri 344.9828184749276 3.9943e-05 deg
M 60.2489606625823 2.9941e-05 deg
tp 2456768.252120089941
(2014-Apr-20.75212009)
0.00011467 JED
period 1387.729113467459
3.80
1.7266e-05
4.727e-08
d
yr
n .2594166228165983 3.2277e-09 deg/d
Q 2.680864625509642 2.2237e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      776  
   data-arc span      18314 days (50.14 yr)  
   first obs. used      1964-08-08  
   last obs. used      2014-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4701  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:22:31  

Additional Information
 Earth MOID = 1.18544 AU 
 T_jup = 3.465 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9 mag n/a MPO231499  

12300 (1991 RX10)          Discovered 1991-Sep-10 by Holt, H. E. at Palomar (675)
Reference: 19991123/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RX10 = 1975 LE1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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