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12248 (1988 RX12)
Classification: Main-belt Asteroid          SPK-ID: 2012248
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1020010966015379 3.6025e-08  
a 3.014412458626127 1.4854e-08 au
q 2.706939082236924 1.0842e-07 au
i 9.794966982056195 4.2644e-06 deg
node 194.1049448302986 2.0633e-05 deg
peri 166.1403162139306 2.774e-05 deg
M 14.28099467235412 1.7731e-05 deg
tp 2458924.666972052783
(2020-Mar-16.16697205)
9.4191e-05 TDB
period 1911.623853053228
5.23
1.413e-05
3.869e-08
d
yr
n .1883215672502785 1.392e-09 deg/d
Q 3.321885835015329 1.6369e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1794  
   data-arc span      25285 days (69.23 yr)  
   first obs. used      1951-08-07  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47041  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:54:15  

Additional Information
 Earth MOID = 1.70542 au 
 Jupiter MOID = 2.15025 au 
 T_jup = 3.218 
[ 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 13.1   n/a MPO358749  

12248 (1988 RX12)          Discovered 1988-Sep-14 by Bus, S. J. at Cerro Tololo
Reference: 19991123/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1988 RX12 = 1992 JF4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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