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74662 (1999 RH93)
Classification: Main-belt Asteroid          SPK-ID: 2074662
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2372546809190926 3.6765e-08  
a 2.581557873198803 8.5677e-09 au
q 1.96907118371885 9.2655e-08 au
i 4.342697068801709 5.5192e-06 deg
node 23.22826188029315 5.8166e-05 deg
peri 326.6977562488692 5.981e-05 deg
M 97.95985212631578 1.415e-05 deg
tp 2458984.244132820632
(2020-May-14.74413282)
5.8523e-05 TDB
period 1515.029973638591
4.15
7.5421e-06
2.065e-08
d
yr
n .2376190611829292 1.1829e-09 deg/d
Q 3.194044562678756 1.06e-08 au
  Orbit Determination Parameters
   # obs. used (total)      608  
   data-arc span      9220 days (25.24 yr)  
   first obs. used      1995-11-16  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51751  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 17:55:15  

Additional Information
 Earth MOID = .964181 au 
 Jupiter MOID = 2.24255 au 
 T_jup = 3.380 
[ 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 15.71   n/a MPO637059  

74662 (1999 RH93)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RH93 = 1995 WD10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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