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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 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1011564255046508 1.0388e-07  
a 2.435109728409531 2.1342e-08 AU
q 2.188782732572022 2.5013e-07 AU
i 12.7640801876684 1.0169e-05 deg
node 1.315513460083339 2.8171e-05 deg
peri 344.9909945309197 4.3638e-05 deg
M 8.355536554417409 3.2145e-05 deg
tp 2456768.285746402397
(2014-Apr-20.78574640)
0.00012385 JED
period 1387.957699617269
3.80
1.8247e-05
4.996e-08
d
yr
n .2593738988582077 3.4099e-09 deg/d
Q 2.68143672424704 2.3501e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      762  
   data-arc span      17462 days (47.81 yr)  
   first obs. used      1964-08-08  
   last obs. used      2012-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48963  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 17:15:10  

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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