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70198 (1999 RV21)
Classification: Main-belt Asteroid          SPK-ID: 2070198
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3083795668387688 3.8164e-08  
a 2.58040916093449 1.1564e-08 au
q 1.784663701618721 9.7443e-08 au
i 5.943570898655002 3.9619e-06 deg
node 152.9614434930172 5.2893e-05 deg
peri 207.8462464933941 5.3813e-05 deg
M 357.4227634408327 1.3753e-05 deg
tp 2459011.338846654785
(2020-Jun-10.83884665)
5.7894e-05 TDB
period 1514.01887492368
4.15
1.0178e-05
2.787e-08
d
yr
n .2377777489848977 1.5984e-09 deg/d
Q 3.376154620250258 1.5131e-08 au
  Orbit Determination Parameters
   # obs. used (total)      478  
   data-arc span      11128 days (30.47 yr)  
   first obs. used      1990-05-30  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56505  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:54:25  

Additional Information
 Earth MOID = .783841 au 
 Jupiter MOID = 2.08093 au 
 T_jup = 3.349 
[ 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 15.9   n/a MPO436273  

70198 (1999 RV21)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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