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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1651051369882086 2.0431e-05  
a 35.02079088314023 0.0011368 au
q 29.23867840694395 0.00026373 au
i 28.53444319115422 7.2611e-05 deg
node 56.51784521251361 0.0001326 deg
peri 101.6620890007575 0.0043749 deg
M 35.49069904639253 0.004549 deg
tp 2451137.741219233294
(1998-Nov-20.24121923)
0.64123 TDB
period 75698.51350530371
207.25
3.6859
0.01009
d
yr
n .004755707653027785 2.3156e-07 deg/d
Q 40.8029033593365 0.0013245 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 = 28.3666 au 
 Jupiter MOID = 24.485 au 
 T_jup = 4.644 
[ 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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