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187377 (2005 UC361)
Classification: Main-belt Asteroid          SPK-ID: 2187377
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04189922017284127 5.1345e-08  
a 2.915327654214715 2.3676e-08 au
q 2.7931776989548 1.4857e-07 au
i 1.667751749924175 4.9288e-06 deg
node 182.9738898336644 0.00017058 deg
peri 88.16175223608586 0.00018181 deg
M 136.143608472112 6.1787e-05 deg
tp 2458512.918406940361
(2019-Jan-29.41840694)
0.00031126 TDB
period 1818.149058038039
4.98
2.2149e-05
6.064e-08
d
yr
n .1980035676439396 2.4121e-09 deg/d
Q 3.03747760947463 2.4668e-08 au
  Orbit Determination Parameters
   # obs. used (total)      239  
   data-arc span      9268 days (25.37 yr)  
   first obs. used      1995-09-29  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49131  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:55:09  

Additional Information
 Earth MOID = 1.7758 au 
 Jupiter MOID = 1.98966 au 
 T_jup = 3.280 
[ 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 16.5   n/a MPO440041  

187377 (2005 UC361)          Discovered 2005-Oct-27 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2005 UC361 = 2003 HM25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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