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74758 (1999 RP207)
Classification: Main-belt Asteroid          SPK-ID: 2074758
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1646808148069051 5.3472e-08  
a 2.262760448842866 1.0719e-08 au
q 1.890127214414585 1.2398e-07 au
i 8.767409119904523 5.9121e-06 deg
node 320.9885999706395 3.4397e-05 deg
peri 69.84030652555845 3.8425e-05 deg
M 10.47809218995551 1.7574e-05 deg
tp 2458964.314380693265
(2020-Apr-24.81438069)
6.0587e-05 TDB
period 1243.243780858539
3.40
8.8345e-06
2.419e-08
d
yr
n .28956509217476 2.0576e-09 deg/d
Q 2.635393683271148 1.2485e-08 au
  Orbit Determination Parameters
   # obs. used (total)      555  
   data-arc span      7298 days (19.98 yr)  
   first obs. used      1999-09-08  
   last obs. used      2019-09-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53524  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:44:06  

Additional Information
 Earth MOID = .915245 au 
 Jupiter MOID = 2.86446 au 
 T_jup = 3.585 
[ 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 15.9   n/a MPO493392  

74758 (1999 RP207)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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