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12245 (1988 RM7)
Classification: Main-belt Asteroid          SPK-ID: 2012245
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2019420617066482 5.7483e-08  
a 3.037456056113205 2.9179e-08 au
q 2.42406591779836 1.6945e-07 au
i 1.359258591353765 5.7547e-06 deg
node 296.5580359125817 0.00026276 deg
peri 5.990937975747824 0.00026321 deg
M 79.55857613722596 2.103e-05 deg
tp 2456973.185201401403
(2014-Nov-11.68520140)
0.00010973 JED
period 1933.585729716389
5.29
2.7862e-05
7.628e-08
d
yr
n .1861825904418541 2.6828e-09 deg/d
Q 3.65084619442805 3.5072e-08 au
  Orbit Determination Parameters
   # obs. used (total)      801  
   data-arc span      9954 days (27.25 yr)  
   first obs. used      1988-09-09  
   last obs. used      2015-12-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58964  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:20:12  

Additional Information
 Earth MOID = 1.40683 au 
 Jupiter MOID = 1.58405 au 
 T_jup = 3.209 
[ 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 14.4 mag n/a MPO259430  
rotation period rot_per 9.604 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

12245 (1988 RM7)          Discovered 1988-Sep-09 by Debehogne, H. at La Silla
Reference: 19991123/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1988 RM7 = 1992 FJ3 = 1993 OF13 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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