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541635 (2011 UH187)
Classification: Inner Main-belt Asteroid          SPK-ID: 2541635
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04713766987216408 1.1169e-07  
a 1.944897871923013 1.8448e-08 au
q 1.853219918101232 2.0988e-07 au
i 21.87730370351501 1.2537e-05 deg
node 51.90448215925657 1.3646e-05 deg
peri 187.1351421598604 0.0001132 deg
M 1.822877338052121 0.00010842 deg
tp 2459391.483525908148
(2021-Jun-25.98352591)
0.00029842 TDB
period 990.7033432082546
2.71
1.4096e-05
3.859e-08
d
yr
n .3633782024336268 5.1702e-09 deg/d
Q 2.036575825744795 1.9318e-08 au
  Orbit Determination Parameters
   # obs. used (total)      107  
   data-arc span      6951 days (19.03 yr)  
   first obs. used      2002-05-07  
   last obs. used      2021-05-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59148  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 09:01:11  

Additional Information
 Earth MOID = .84317 au 
 Jupiter MOID = 2.95241 au 
 T_jup = 3.809 
[ 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 18.2   .34445 MPO504437 autocmod 2.8

541635 (2011 UH187)          Discovered 2003-Nov-21 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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