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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1010424203273781 9.2724e-08  
a 2.434842346442377 1.8218e-08 AU
q 2.188819982642247 2.2102e-07 AU
i 12.76445166646688 8.032e-06 deg
node 1.31590634053973 2.4701e-05 deg
peri 344.9828123963047 3.9065e-05 deg
M 60.24896907636242 2.941e-05 deg
tp 2456768.252089350709
(2014-Apr-20.75208935)
0.00011284 JED
period 1387.729103344069
3.80
1.5575e-05
4.264e-08
d
yr
n .259416624709025 2.9115e-09 deg/d
Q 2.680864710242507 2.0059e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      850  
   data-arc span      18456 days (50.53 yr)  
   first obs. used      1964-08-08  
   last obs. used      2015-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46401  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:30:22  

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
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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