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385057 (2012 UR45)
Classification: Main-belt Asteroid          SPK-ID: 2385057
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09211435897975466 5.0338e-08  
a 3.168330620324865 4.5358e-08 au
q 2.876481876197712 1.558e-07 au
i 8.248923456417614 6.8218e-06 deg
node 199.1223332781538 3.6034e-05 deg
peri 283.5684987553259 6.6122e-05 deg
M 82.70389737177138 4.7821e-05 deg
tp 2458727.275039222958
(2019-Aug-31.77503922)
0.00027792 TDB
period 2059.890661668902
5.64
4.4234e-05
1.211e-07
d
yr
n .1747665576134666 3.7529e-09 deg/d
Q 3.460179364452018 4.9536e-08 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      4963 days (13.59 yr)  
   first obs. used      2006-09-17  
   last obs. used      2020-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5389  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:03:56  

Additional Information
 Earth MOID = 1.90631 au 
 Jupiter MOID = 1.66104 au 
 T_jup = 3.180 
[ 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 16.19   n/a E2021B25  

385057 (2012 UR45)          Discovered 2006-Sep-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-01-21

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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