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74648 (1999 RM72)
Classification: Main-belt Asteroid          SPK-ID: 2074648
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1420205224567241 3.9925e-08  
a 2.281503297934932 9.4367e-09 au
q 1.957483007575474 9.5536e-08 au
i 2.889765142177588 4.85e-06 deg
node 38.54928238974284 7.7156e-05 deg
peri 249.4481111252538 7.9603e-05 deg
M 49.30715813403686 2.0687e-05 deg
tp 2458828.099885590113
(2019-Dec-10.59988559)
7.2146e-05 TDB
period 1258.722739989272
3.45
7.8094e-06
2.138e-08
d
yr
n .2860042077281198 1.7744e-09 deg/d
Q 2.60552358829439 1.0777e-08 au
  Orbit Determination Parameters
   # obs. used (total)      705  
   data-arc span      8274 days (22.65 yr)  
   first obs. used      1996-11-06  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55732  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:20:02  

Additional Information
 Earth MOID = .943454 au 
 Jupiter MOID = 2.54261 au 
 T_jup = 3.590 
[ 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 16.2   n/a MPO432299  

74648 (1999 RM72)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RM72 = 2002 JM59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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