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190903 (2001 UN73)
Classification: Main-belt Asteroid          SPK-ID: 2190903
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1966355650179463 3.7957e-08  
a 2.390062346798034 9.6497e-09 au
q 1.920091086807284 9.245e-08 au
i 2.33160190185585 5.8572e-06 deg
node 164.9117435170044 0.0001097 deg
peri 244.2426093645298 0.0001113 deg
M 55.56303325707513 1.9973e-05 deg
tp 2458992.196907519082
(2020-May-22.69690752)
7.407e-05 TDB
period 1349.622381956292
3.70
8.1735e-06
2.238e-08
d
yr
n .2667412787554517 1.6154e-09 deg/d
Q 2.860033606788785 1.1547e-08 au
  Orbit Determination Parameters
   # obs. used (total)      324  
   data-arc span      11073 days (30.32 yr)  
   first obs. used      1990-11-18  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6431  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:35  

Additional Information
 Earth MOID = .930789 au 
 Jupiter MOID = 2.52157 au 
 T_jup = 3.505 
[ 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 16.9   n/a MPO446127  

190903 (2001 UN73)          Discovered 2001-Oct-17 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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