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541996 (2012 HU8)
Classification: Main-belt Asteroid          SPK-ID: 2541996
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08307969520289485 6.2391e-08  
a 3.192929678305465 5.1648e-08 au
q 2.92766205382757 2.08e-07 au
i 16.13362358964632 5.1492e-06 deg
node 99.90662256406347 2.8018e-05 deg
peri 137.3198229032217 5.4734e-05 deg
M 179.2358399549884 5.2089e-05 deg
tp 2458162.960088211761
(2018-Feb-13.46008821)
0.00028751 TDB
period 2083.926787954724
5.71
5.0564e-05
1.384e-07
d
yr
n .1727507905176088 4.1916e-09 deg/d
Q 3.45819730278336 5.5939e-08 au
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      9351 days (25.60 yr)  
   first obs. used      1995-07-03  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53314  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:25:08  

Additional Information
 Earth MOID = 1.93226 au 
 Jupiter MOID = 1.69738 au 
 T_jup = 3.129 
[ 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 15.70   n/a MPCxxxxx  

541996 (2012 HU8)          Discovered 2007-Jun-24 by LUSS at Lulin
Reference: Last Updated: 2019-12-13

[ show close-approach data ]
Alternate Designations
 2012 HU8 = 2007 MU20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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