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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .101042399804083 9.6457e-08  
a 2.434842353082887 1.9503e-08 AU
q 2.188820038582771 2.3211e-07 AU
i 12.76445279459569 8.9799e-06 deg
node 1.315901837282093 2.5401e-05 deg
peri 344.9828189735631 3.96e-05 deg
M 60.24896405096088 2.9734e-05 deg
tp 2456768.252107772532
(2014-Apr-20.75210777)
0.00011395 JED
period 1387.729109021169
3.80
1.6673e-05
4.565e-08
d
yr
n .2594166236477702 3.1168e-09 deg/d
Q 2.680864667583002 2.1473e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      794  
   data-arc span      18344 days (50.22 yr)  
   first obs. used      1964-08-08  
   last obs. used      2014-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46646  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:17:00  

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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