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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 
[ show covariance matrix ]

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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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1948-Jan-13 02:45 00:02 Amphi 0.0451735655409659 0.0451652251760249 0.0451819059172785 2.57817593450063 2.57817588514052 2432563.614418793 1.54473348150149 416.783952083175 39.07116906537 -4.82150390091554 21706.3997570633 T 26 CATAB v2.0f-lin.ifort 2020-Jun-23 17:26:07 2020-Jun-23 17:26

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