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187311 (2005 UR26)
Classification: Main-belt Asteroid          SPK-ID: 2187311
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 .2279900716353465 5.4136e-08  
a 2.68378008548066 1.8658e-08 au
q 2.071904871538408 1.4814e-07 au
i 3.956395096245966 6.1817e-06 deg
node 3.200277444701278 7.2363e-05 deg
peri 335.7000186199364 7.3272e-05 deg
M 197.3004745578436 1.213e-05 deg
tp 2459926.275997354523
(2022-Dec-12.77599735)
5.632e-05 TDB
period 1605.9011748041
4.40
1.6746e-05
4.585e-08
d
yr
n .2241731967372872 2.3377e-09 deg/d
Q 3.295655299422912 2.2911e-08 au
  Orbit Determination Parameters
   # obs. used (total)      413  
   data-arc span      6621 days (18.13 yr)  
   first obs. used      2001-12-17  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55136  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:33:46  

Additional Information
 Earth MOID = 1.06209 au 
 Jupiter MOID = 2.10539 au 
 T_jup = 3.334 
[ 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 16.26   n/a E2021B55  

187311 (2005 UR26)          Discovered 2005-Oct-23 by CSS at Catalina
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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