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JPL Small-Body Database Browser
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442380 (2011 UH3)
Classification: Main-belt Asteroid          SPK-ID: 2442380
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3049946302586961 5.0588e-08  
a 2.698851951341991 5.3226e-08 au
q 1.87571659831948 1.389e-07 au
i 4.810009747680122 6.0673e-06 deg
node 52.86758370106135 0.00016783 deg
peri 348.8595049954181 0.00016994 deg
M 330.8421538768303 3.5296e-05 deg
tp 2459131.665602357541
(2020-Oct-09.16560236)
0.00016195 TDB
period 1619.448043221285
4.43
4.7907e-05
1.312e-07
d
yr
n .2222979622636827 6.5761e-09 deg/d
Q 3.521987304364502 6.9459e-08 au
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      3333 days (9.13 yr)  
   first obs. used      2008-01-19  
   last obs. used      2017-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57836  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:29:12  

Additional Information
 Earth MOID = .884632 au 
 Jupiter MOID = 1.89871 au 
 T_jup = 3.295 
[ 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 17.6   n/a MPO402746  

442380 (2011 UH3)          Discovered 2008-Jan-19 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

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