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74643 (1999 RJ62)
Classification: Main-belt Asteroid          SPK-ID: 2074643
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1935474655051735 7.5439e-08  
a 2.459501552199788 1.4466e-08 au
q 1.983471260365479 1.784e-07 au
i 3.251973212532631 5.5603e-06 deg
node 48.31099588159343 8.3852e-05 deg
peri 344.4019317470633 8.5067e-05 deg
M 95.41762784818881 1.7665e-05 deg
tp 2458627.082047733957
(2019-May-23.58204773)
6.683e-05 TDB
period 1408.864020699161
3.86
1.2429e-05
3.403e-08
d
yr
n .2555250149843041 2.2543e-09 deg/d
Q 2.935531844034097 1.7266e-08 au
  Orbit Determination Parameters
   # obs. used (total)      562  
   data-arc span      8477 days (23.21 yr)  
   first obs. used      1997-02-02  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5572  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:07:17  

Additional Information
 Earth MOID = .989854 au 
 Jupiter MOID = 2.49976 au 
 T_jup = 3.462 
[ 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 MPO263908  

74643 (1999 RJ62)          Discovered 1999-Sep-07 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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