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90752 (1993 RJ1)
Classification: Main-belt Asteroid          SPK-ID: 2090752
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2059298183640842 4.193e-08  
a 2.391116442402566 1.0841e-08 au
q 1.89871426773123 9.9736e-08 au
i 3.080323427227738 5.9733e-06 deg
node 196.6637622381469 7.2306e-05 deg
peri 39.04686574705215 7.3861e-05 deg
M 176.7671695690759 1.5864e-05 deg
tp 2458337.370080869784
(2018-Aug-06.87008087)
5.7938e-05 TDB
period 1350.515321758262
3.70
9.1842e-06
2.514e-08
d
yr
n .2665649135555968 1.8128e-09 deg/d
Q 2.883518617073902 1.3073e-08 au
  Orbit Determination Parameters
   # obs. used (total)      473  
   data-arc span      10107 days (27.67 yr)  
   first obs. used      1992-02-29  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5717  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 08:45:07  

Additional Information
 Earth MOID = .888513 au 
 Jupiter MOID = 2.11871 au 
 T_jup = 3.501 
[ 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 16.5   n/a MPO436407  

90752 (1993 RJ1)          Discovered 1993-Sep-15 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1993 RJ1 = 1996 HF15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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