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90945 (1997 UE5)
Classification: Main-belt Asteroid          SPK-ID: 2090945
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2559129389500093 7.3232e-08  
a 2.308581769154789 1.3813e-08 AU
q 1.717785823803975 1.7376e-07 AU
i 3.175543823853318 6.7599e-06 deg
node 50.03190300583036 9.0522e-05 deg
peri 3.762517463225454 9.1297e-05 deg
M 309.8428132434606 1.1458e-05 deg
tp 2457179.003603699280
(2015-Jun-05.50360370)
4.1751e-05 JED
period 1281.198198847596
3.51
1.1499e-05
3.148e-08
d
yr
n .2809869701064289 2.5219e-09 deg/d
Q 2.899377714505602 1.7348e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      481  
   data-arc span      8673 days (23.75 yr)  
   first obs. used      1990-11-24  
   last obs. used      2014-08-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49061  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 15:35:06  

Additional Information
 Earth MOID = .728742 AU 
 T_jup = 3.540 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2 mag n/a MPO302516  

90945 (1997 UE5)          Discovered 1997-Oct-22 by BAO Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1997 UE5 = 1990 WS15 = 2002 CH218 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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