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101847 (1999 JG90)
Classification: Main-belt Asteroid          SPK-ID: 2101847
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09650554104355449 4.439e-08  
a 2.652434128670107 1.5801e-08 au
q 2.396459538000409 1.2e-07 au
i 11.96389609987769 4.2918e-06 deg
node 121.0783995569967 2.3175e-05 deg
peri 114.3896669939846 3.427e-05 deg
M 350.3412337711589 2.6171e-05 deg
tp 2459242.833530800419
(2021-Jan-28.33353080)
0.00011488 TDB
period 1577.84863274191
4.32
1.4099e-05
3.86e-08
d
yr
n .2281587679132498 2.0388e-09 deg/d
Q 2.908408719339805 1.7326e-08 au
  Orbit Determination Parameters
   # obs. used (total)      413  
   data-arc span      9605 days (26.30 yr)  
   first obs. used      1994-01-10  
   last obs. used      2020-04-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56424  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:38:59  

Additional Information
 Earth MOID = 1.41032 au 
 Jupiter MOID = 2.19814 au 
 T_jup = 3.352 
[ 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 16.01   n/a E2021B55  

101847 (1999 JG90)          Discovered 1999-May-12 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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