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160017 (1990 JD2)
Classification: Main-belt Asteroid          SPK-ID: 2160017
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1668140348593149 3.5843e-08  
a 2.634728302041713 1.8623e-08 au
q 2.195218643220104 9.3368e-08 au
i 16.76935403377265 5.4031e-06 deg
node 164.9773182606241 1.4748e-05 deg
peri 78.38549081976804 2.3373e-05 deg
M 17.30849392701882 1.985e-05 deg
tp 2458925.396710208486
(2020-Mar-16.89671021)
8.5788e-05 TDB
period 1562.076078886305
4.28
1.6562e-05
4.534e-08
d
yr
n .230462526675823 2.4434e-09 deg/d
Q 3.074237960863324 2.1729e-08 au
  Orbit Determination Parameters
   # obs. used (total)      562  
   data-arc span      11005 days (30.13 yr)  
   first obs. used      1990-05-01  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54294  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 03:07:10  

Additional Information
 Earth MOID = 1.25559 au 
 Jupiter MOID = 2.10736 au 
 T_jup = 3.318 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO433023  

160017 (1990 JD2)          Discovered 1990-May-01 by Lowe, A. at Siding Spring
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

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Alternate Designations
 1990 JD2 = 1998 FN120 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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