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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1671027003165028 3.5604e-08  
a 2.634813891869152 1.8206e-08 au
q 2.194529375706383 9.2394e-08 au
i 16.77605812162357 5.2963e-06 deg
node 164.9539618207343 1.4721e-05 deg
peri 78.31741453048186 2.273e-05 deg
M 63.44952910471576 1.8703e-05 deg
tp 2458925.172718786425
(2020-Mar-16.67271879)
8.005e-05 TDB
period 1562.152196170047
4.28
1.6192e-05
4.433e-08
d
yr
n .2304512971800171 2.3886e-09 deg/d
Q 3.075098408031922 2.1249e-08 au
  Orbit Determination Parameters
   # obs. used (total)      604  
   data-arc span      11072 days (30.31 yr)  
   first obs. used      1990-05-01  
   last obs. used      2020-08-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53256  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 12:31:28  

Additional Information
 Earth MOID = 1.25377 au 
 Jupiter MOID = 2.10542 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 15.48   n/a E2021B55  

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

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