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101810 (1999 JA6)
Classification: Outer Main-belt Asteroid          SPK-ID: 2101810
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .164866102948281 7.2115e-08  
a 3.227788408468947 5.5091e-08 AU
q 2.695635512423038 2.2683e-07 AU
i 26.2802759487648 1.072e-05 deg
node 117.7647304816414 1.6915e-05 deg
peri 117.5876867337633 4.0605e-05 deg
M 250.4007584450799 3.8383e-05 deg
tp 2457645.353499957033
(2016-Sep-13.85349996)
0.00023682 JED
period 2118.146591992639
5.80
5.4228e-05
1.485e-07
d
yr
n .1699599080445756 4.3512e-09 deg/d
Q 3.759941304514857 6.4174e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      400  
   data-arc span      8530 days (23.35 yr)  
   first obs. used      1992-01-09  
   last obs. used      2015-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47611  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 19:23:31  

Additional Information
 Earth MOID = 1.77618 AU 
 T_jup = 3.005 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1 mag n/a MPO337994  

101810 (1999 JA6)          Discovered 1999-May-08 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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