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

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1018152032701139 2.6586e-08  
a 2.435676534135959 9.2289e-09 au
q 2.18768763271266 6.4972e-08 au
i 12.76761747357798 6.4954e-07 deg
node 1.267785994520138 4.3802e-06 deg
peri 345.627860334613 9.8398e-06 deg
M 320.9647894398456 1.2028e-05 deg
tp 2459547.050385019536
(2021-Nov-28.55038502)
4.6842e-05 TDB
period 1388.442327562499
3.80
7.8913e-06
2.161e-08
d
yr
n .2592833658651155 1.4737e-09 deg/d
Q 2.683665435559258 1.0169e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1565  
   data-arc span      20770 days (56.87 yr)  
   first obs. used      1964-08-08  
   last obs. used      2021-06-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46798  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 02:56:54  

Additional Information
 Earth MOID = 1.18312 au 
 Jupiter MOID = 2.74332 au 
 T_jup = 3.464 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.05   n/a E2021B10  
diameter diameter 4.072 km 0.212 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.244   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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

Alternate Designations
 1991 RX10 = 1975 LE1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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