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101976 (1999 RS51)
Classification: Main-belt Asteroid          SPK-ID: 2101976
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1722371821620444 4.2692e-08  
a 2.174632862144121 9.6029e-09 au
q 1.800080225731436 9.2121e-08 au
i 4.419186739502452 4.4268e-06 deg
node 203.3491582739128 5.5646e-05 deg
peri 167.3536878464923 5.6938e-05 deg
M 139.8959848319843 1.3214e-05 deg
tp 2458545.323223400386
(2019-Mar-02.82322340)
4.1533e-05 TDB
period 1171.32482231468
3.21
7.7586e-06
2.124e-08
d
yr
n .307344293522779 2.0358e-09 deg/d
Q 2.549185498556807 1.1257e-08 au
  Orbit Determination Parameters
   # obs. used (total)      593  
   data-arc span      8532 days (23.36 yr)  
   first obs. used      1996-10-16  
   last obs. used      2020-02-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52708  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:57:24  

Additional Information
 Earth MOID = .800277 au 
 Jupiter MOID = 2.91739 au 
 T_jup = 3.663 
[ 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 16.5   n/a MPO453474  

101976 (1999 RS51)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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