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432949 (2012 HH2)
Classification: TransNeptunian Object          SPK-ID: 2432949
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1628666187385998 2.0325e-05  
a 34.91683493718737 0.0011291 au
q 29.23004809391386 0.00026643 au
i 28.55353131286865 7.2723e-05 deg
node 56.49618551028885 0.00013258 deg
peri 101.2196519672448 0.00447 deg
M 37.92679145460116 0.0047368 deg
tp 2451060.978400522162
(1998-Sep-04.47840052)
0.65533 TDB
period 75361.70781104318
206.33
3.6555
0.01001
d
yr
n .004776961808013156 2.3171e-07 deg/d
Q 40.60362178046088 0.001313 au
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      6204 days (16.99 yr)  
   first obs. used      2002-04-09  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .40019  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:39:39  

Additional Information
 Earth MOID = 28.3582 au 
 Jupiter MOID = 24.4786 au 
 T_jup = 4.639 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 6.2   n/a MPO446736  

432949 (2012 HH2)          Discovered 2012-Apr-19 by Vorobjov, T. at Charleston
Reference: Last Updated: 2015-04-07
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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