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70185 (1999 RJ9)
Classification: Main-belt Asteroid          SPK-ID: 2070185
[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1743573020508913 3.2735e-08  
a 2.323590436833124 7.797e-09 au
q 1.918455477195649 7.5142e-08 au
i 3.191075480040375 3.8094e-06 deg
node 352.2400819492106 5.1502e-05 deg
peri 131.9477128749728 5.2329e-05 deg
M 187.2627889725591 1.047e-05 deg
tp 2459621.256391659537
(2022-Feb-10.75639166)		 3.9407e-05 TDB
period 1293.712568752386
3.54		 6.5117e-06
1.783e-08		 d
yr
n .2782689205432798 1.4006e-09 deg/d
Q 2.7287253964706 9.1565e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1102  
   data-arc span      10265 days (28.10 yr)  
   first obs. used      1992-09-30  
   last obs. used      2020-11-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5089  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:05:22  

Additional Information
 Earth MOID = .935642 au 
 Jupiter MOID = 2.33699 au 
 T_jup = 3.553 
[ 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 15.8   n/a MPO270450  

70185 (1999 RJ9)          Discovered 1999-Sep-04 by Spacewatch at Kitt Peak
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RJ9 = 1999 RF251 = 2000 YX68 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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