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115878 (2003 UR282)
Classification: Main-belt Asteroid          SPK-ID: 2115878
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1291112203270405 2.9201e-08  
a 2.262759214981651 7.771e-09 au
q 1.970611611429114 6.5375e-08 au
i 6.368357096754383 3.3249e-06 deg
node 156.3633126311615 3.5273e-05 deg
peri 175.0876792402773 3.8614e-05 deg
M 81.96591923898266 1.6582e-05 deg
tp 2458917.434622262071
(2020-Mar-08.93462226)
5.6854e-05 TDB
period 1243.242763965606
3.40
6.4045e-06
1.753e-08
d
yr
n .2895653290204546 1.4917e-09 deg/d
Q 2.554906818534188 8.7743e-09 au
  Orbit Determination Parameters
   # obs. used (total)      818  
   data-arc span      8356 days (22.88 yr)  
   first obs. used      1998-03-24  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54613  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:45:35  

Additional Information
 Earth MOID = .958184 au 
 Jupiter MOID = 2.77435 au 
 T_jup = 3.599 
[ 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 16.31   n/a MPCxxxxx  

115878 (2003 UR282)          Discovered 2003-Oct-29 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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