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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04719533712406802 1.1943e-07  
a 1.945096477245581 1.946e-08 au
q 1.853296993263138 2.234e-07 au
i 21.8764054270259 1.3419e-05 deg
node 51.90650419421964 1.8083e-05 deg
peri 187.0099584958751 0.00032605 deg
M 290.7242381068878 0.00034191 deg
tp 2459391.172893840502
(2021-Jun-25.67289384)
0.00093956 TDB
period 990.8550971765717
2.71
1.487e-05
4.071e-08
d
yr
n .3633225494078954 5.4523e-09 deg/d
Q 2.036895961228023 2.0378e-08 au
  Orbit Determination Parameters
   # obs. used (total)      60  
   data-arc span      6414 days (17.56 yr)  
   first obs. used      2002-05-07  
   last obs. used      2019-11-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .67756  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:56  

Additional Information
 Earth MOID = .841515 au 
 Jupiter MOID = 2.95319 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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