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74630 (1999 RD46)
Classification: Main-belt Asteroid          SPK-ID: 2074630
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1513138908654373 3.9885e-08  
a 2.200395089793751 6.2368e-09 au
q 1.867444747315855 8.7334e-08 au
i 4.33337710819352 3.8299e-06 deg
node 352.1305144750184 6.0191e-05 deg
peri 21.4196198509335 6.1855e-05 deg
M 85.35427110278569 1.361e-05 deg
tp 2458717.834903702670
(2019-Aug-22.33490370)
4.5057e-05 TDB
period 1192.200851255556
3.26
5.0687e-06
1.388e-08
d
yr
n .3019625423189968 1.2838e-09 deg/d
Q 2.533345432271647 7.1805e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1104  
   data-arc span      10691 days (29.27 yr)  
   first obs. used      1991-01-08  
   last obs. used      2020-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4825  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:42:57  

Additional Information
 Earth MOID = .868433 au 
 Jupiter MOID = 2.93515 au 
 T_jup = 3.647 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO436304  

74630 (1999 RD46)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RD46 = 1996 RV26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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