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216653 (2003 UJ20)
Classification: Mars-crossing Asteroid          SPK-ID: 2216653
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2419792921364591 5.2221e-08  
a 2.189433787670308 6.0752e-09 au
q 1.659636149550201 1.1388e-07 au
i 5.333316212339532 3.383e-06 deg
node 257.9819656848024 5.8946e-05 deg
peri 55.11717670124637 5.9568e-05 deg
M 161.2239731268807 8.6154e-06 deg
tp 2458670.564187771186
(2019-Jul-06.06418777)
2.8113e-05 TDB
period 1183.303504449892
3.24
4.9251e-06
1.348e-08
d
yr
n .3042330210687249 1.2663e-09 deg/d
Q 2.719231425790416 7.5453e-09 au
  Orbit Determination Parameters
   # obs. used (total)      409  
   data-arc span      10109 days (27.68 yr)  
   first obs. used      1993-07-15  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52956  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:41:54  

Additional Information
 Earth MOID = .650708 au 
 Jupiter MOID = 2.57648 au 
 T_jup = 3.630 
[ 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 17.25   n/a MPCxxxxx  

216653 (2003 UJ20)          Discovered 2003-Oct-22 by LINEAR at Socorro
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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