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265661 (2005 UB)
Classification: Apollo [NEO]          SPK-ID: 2265661
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 80 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7383416488247034 6.5395e-08  
a 1.895892870207178 7.6988e-09 au
q .4960762024234107 1.2484e-07 au
i 27.69633396198824 1.1249e-05 deg
node 272.1127119481035 1.9621e-05 deg
peri 3.150498920582172 2.1048e-05 deg
M 309.6636156983449 1.1904e-05 deg
tp 2459333.821021568036
(2021-Apr-29.32102157)
3.2189e-05 TDB
period 953.496530002352
2.61
5.8079e-06
1.59e-08
d
yr
n .3775577452800085 2.2998e-09 deg/d
Q 3.295709537990945 1.3383e-08 au
  Orbit Determination Parameters
   # obs. used (total)      294  
   data-arc span      5587 days (15.30 yr)  
   first obs. used      2005-10-21  
   last obs. used      2021-02-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51173  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 03:12:53  

Additional Information
 Earth MOID = .461354 au 
 Jupiter MOID = 1.86011 au 
 T_jup = 3.465 
[ 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 16.6   n/a MPO401977  

265661 (2005 UB)          Discovered 2005-Oct-21 by LINEAR at Socorro
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

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