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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 | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1015755024510184 6.6674e-08  
a 2.434675060108995 1.1726e-08 au
q 2.18737171757346 1.6225e-07 au
i 12.76722874565719 6.3975e-06 deg
node 1.279896842644192 1.6712e-05 deg
peri 345.8584109680648 2.9255e-05 deg
M 217.9853340922544 2.8745e-05 deg
tp 2459547.882152547516
(2021-Nov-29.38215255)
0.00011319 TDB
period 1387.586089489635
3.80
1.0024e-05
2.744e-08
d
yr
n .2594433619123486 1.8743e-09 deg/d
Q 2.681978402644529 1.2917e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1456  
   data-arc span      20401 days (55.85 yr)  
   first obs. used      1964-08-08  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47607  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:25:54  

Additional Information
 Earth MOID = 1.18362 au 
 Jupiter MOID = 2.74481 au 
 T_jup = 3.465 
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Orbital Elements at Epoch 2456649.5 (2013-Dec-23.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1012479440209289 6.6447e-08  
q 2.18876005974748 1.6171e-07 au
tp 2456768.323653323750
(2014-Apr-20.82365332)
0.0001026 TDB
node 1.317613098164415 1.6722e-05 deg
peri 345.0019750532366 2.9399e-05 deg
i 12.76339270415361 6.3948e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1456  
   data-arc span      20401 days (55.85 yr)  
   first obs. used      1964-08-08  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47607  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:25:54  

Additional Information
 Jupiter MOID = 2.74481 au 
 T_jup = 3.465 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.415227543060131E-15 -1.072183985728834E-14 2.847021720099666E-12 6.669421556681249E-15 5.955579017463188E-13 1.785141999257532E-15
q -1.072183985728834E-14 2.614929565573239E-14 -6.3872872978063E-12 -1.705087081778065E-14 -1.323277034798494E-12 -4.441387527330347E-15
tp 2.847021720099666E-12 -6.3872872978063E-12 1.052631394650357E-8 1.209496902751541E-12 2.485562234855002E-9 -9.483509743480827E-12
node 6.669421556681249E-15 -1.705087081778065E-14 1.209496902751541E-12 2.796400251039832E-10 -2.719644496982059E-10 -8.859657864237643E-12
peri 5.955579017463188E-13 -1.323277034798494E-12 2.485562234855002E-9 -2.719644496982059E-10 8.643184680212339E-10 6.27177160937204E-12
i 1.785141999257532E-15 -4.441387527330347E-15 -9.483509743480827E-12 -8.859657864237643E-12 6.27177160937204E-12 4.089349512903978E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPO358749  
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

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