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442389 (2011 UH27)
Classification: Main-belt Asteroid          SPK-ID: 2442389
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08304075871434416 8.2944e-08  
a 2.689512595030147 5.0449e-08 au
q 2.466173428567059 2.4278e-07 au
i 5.470802197336418 7.7312e-06 deg
node 63.40803713369466 8.299e-05 deg
peri 327.5935473792446 9.5248e-05 deg
M 348.7028461502202 5.0697e-05 deg
tp 2459051.056307064677
(2020-Jul-20.55630706)
0.00022755 TDB
period 1611.049188609445
4.41
4.5329e-05
1.241e-07
d
yr
n .2234568643498272 6.2873e-09 deg/d
Q 2.912851761493235 5.4638e-08 au
  Orbit Determination Parameters
   # obs. used (total)      72  
   data-arc span      5165 days (14.14 yr)  
   first obs. used      2005-05-08  
   last obs. used      2019-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .71729  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:06  

Additional Information
 Earth MOID = 1.47414 au 
 Jupiter MOID = 2.45745 au 
 T_jup = 3.361 
[ 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 17.2   n/a MPO446754  

442389 (2011 UH27)          Discovered 2011-Oct-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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