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102071 (1999 RK139)
Classification: Main-belt Asteroid          SPK-ID: 2102071
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1330913182615938 4.4272e-08  
a 2.216093417175544 8.2426e-09 au
q 1.921150622892811 9.9089e-08 au
i 7.437988432624346 4.0939e-06 deg
node 161.58869796 3.3202e-05 deg
peri 219.6661169433014 3.6028e-05 deg
M 126.9945685720041 1.2875e-05 deg
tp 2458775.427343991468
(2019-Oct-18.92734399)
4.3498e-05 TDB
period 1204.981897129781
3.30
6.7228e-06
1.841e-08
d
yr
n .2987596750270735 1.6668e-09 deg/d
Q 2.511036211458277 9.3396e-09 au
  Orbit Determination Parameters
   # obs. used (total)      669  
   data-arc span      7833 days (21.45 yr)  
   first obs. used      1999-08-07  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51036  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:30:29  

Additional Information
 Earth MOID = .927619 au 
 Jupiter MOID = 2.95787 au 
 T_jup = 3.631 
[ 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 16.2   n/a MPO449617  

102071 (1999 RK139)          Discovered 1999-Sep-09 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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