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541680 (2011 UB385)
Classification: Main-belt Asteroid          SPK-ID: 2541680
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1101534301393898 3.101e-07  
a 2.538193357058138 2.9548e-08 au
q 2.258602652421171 7.9442e-07 au
i 12.31634961449009 7.2309e-06 deg
node 26.3760043755939 2.9509e-05 deg
peri 271.5715573132322 0.00034601 deg
M 195.0391506722944 0.00040957 deg
tp 2459877.305477397864
(2022-Oct-24.80547740)
0.0016778 TDB
period 1477.016958000771
4.04
2.5792e-05
7.061e-08
d
yr
n .2437345069397722 4.2561e-09 deg/d
Q 2.817784061695105 3.2803e-08 au
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      4873 days (13.34 yr)  
   first obs. used      2007-11-15  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .65486  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:25:29  

Additional Information
 Earth MOID = 1.28274 au 
 Jupiter MOID = 2.41 au 
 T_jup = 3.406 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.17   n/a MPCxxxxx  

541680 (2011 UB385)          Discovered 2011-Oct-24 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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