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362934 (2012 HU21)
Classification: Main-belt Asteroid          SPK-ID: 2362934
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08232662798230136 5.507e-08  
a 3.033361675859275 4.3889e-08 au
q 2.783635237635039 1.5878e-07 au
i 10.78249184266001 5.4456e-06 deg
node 115.5248209092595 2.9447e-05 deg
peri 213.4491322821352 4.4166e-05 deg
M 120.7964798894402 3.5332e-05 deg
tp 2458553.004882224699
(2019-Mar-10.50488222)
0.00018518 TDB
period 1929.677442690823
5.28
4.188e-05
1.147e-07
d
yr
n .186559676781007 4.049e-09 deg/d
Q 3.283088114083512 4.7503e-08 au
  Orbit Determination Parameters
   # obs. used (total)      280  
   data-arc span      5455 days (14.93 yr)  
   first obs. used      2006-02-01  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61743  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:41:23  

Additional Information
 Earth MOID = 1.77622 au 
 Jupiter MOID = 2.00525 au 
 T_jup = 3.210 
[ 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 15.65   n/a MPCxxxxx  

362934 (2012 HU21)          Discovered 2006-Feb-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-04-29

Alternate Designations
 2012 HU21 = 2011 BQ123 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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