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JPL Small-Body Database Browser
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376342 (2011 HU20)
Classification: Outer Main-belt Asteroid          SPK-ID: 2376342
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07905659708641237 8.6175e-08  
a 3.548214705942349 5.6385e-08 au
q 3.267704925558582 3.206e-07 au
i 4.779994551408386 9.3553e-06 deg
node 318.7089747261113 7.071e-05 deg
peri 351.4095321271286 8.0452e-05 deg
M 43.88363188206303 3.7123e-05 deg
tp 2458702.913430681240
(2019-Aug-07.41343068)
0.00025253 TDB
period 2441.25566549888
6.68
5.8191e-05
1.593e-07
d
yr
n .1474650955603344 3.515e-09 deg/d
Q 3.828724486326117 6.0842e-08 au
  Orbit Determination Parameters
   # obs. used (total)      248  
   data-arc span      7354 days (20.13 yr)  
   first obs. used      1999-09-06  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48852  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 12:28:26  

Additional Information
 Earth MOID = 2.25336 au 
 Jupiter MOID = 1.41575 au 
 T_jup = 3.107 
[ 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 15.4   n/a MPO455714  

376342 (2011 HU20)          Discovered 2006-Aug-29 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-10-21

[ show close-approach data ]
Alternate Designations
 2011 HU20 = 1999 RL244 = 2011 HZ20 = 2013 RU43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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