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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1011564520223 9.9273e-08  
a 2.435109724406835 2.0871e-08 AU
q 2.188782664400839 2.407e-07 AU
i 12.76406736098624 9.3875e-06 deg
node 1.315518730817344 2.6345e-05 deg
peri 344.990980407302 4.0244e-05 deg
M 8.355543365351247 3.0038e-05 deg
tp 2456768.285720222691
(2014-Apr-20.78572022)
0.0001157 JED
period 1387.957696195098
3.80
1.7844e-05
4.885e-08
d
yr
n .259373899497724 3.3346e-09 deg/d
Q 2.681436784412831 2.2982e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      766  
   data-arc span      18223 days (49.89 yr)  
   first obs. used      1964-08-08  
   last obs. used      2014-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47034  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:28:10  

Additional Information
 Earth MOID = 1.18377 AU 
 T_jup = 3.464 
[ 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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