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180214 (2003 UB9)
Classification: Mars-crossing Asteroid          SPK-ID: 2180214
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2666173634182382 5.0503e-08  
a 2.2669566965778 9.055e-09 au
q 1.662546679152908 1.1562e-07 au
i 23.25666428075113 4.7464e-06 deg
node 113.3620983698086 1.2821e-05 deg
peri 268.5165728731965 1.4985e-05 deg
M 20.84378105653662 7.3725e-06 deg
tp 2459128.316611501755
(2020-Oct-05.81661150)
2.5536e-05 TDB
period 1246.703742899809
3.41
7.4697e-06
2.045e-08
d
yr
n .2887614656250627 1.7301e-09 deg/d
Q 2.871366714002692 1.1469e-08 au
  Orbit Determination Parameters
   # obs. used (total)      790  
   data-arc span      7303 days (19.99 yr)  
   first obs. used      2001-01-18  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52193  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:42:54  

Additional Information
 Earth MOID = .834136 au 
 Jupiter MOID = 2.92761 au 
 T_jup = 3.464 
[ 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 16.10   n/a E2021B55  

180214 (2003 UB9)          Discovered 2003-Oct-17 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2003 UB9 = 2001 BU2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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