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JPL Small-Body Database Browser
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469987 (2006 HJ123)
Classification: TransNeptunian Object          SPK-ID: 2469987
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3068338579246461 3.8046e-05  
a 39.78196969321491 0.0018742 au
q 27.57551445640443 0.0010434 au
i 12.43395890495349 0.00016881 deg
node 222.543566298033 0.00020798 deg
peri 101.2875514377356 0.0046782 deg
M 316.1569816775978 0.0056395 deg
tp 2470162.083033400921
(2050-Dec-21.58303340)
0.65931 TDB
period 91649.02522167805
250.92
6.4766
0.01773
d
yr
n .003928028684748608 2.7759e-07 deg/d
Q 51.9884249300254 0.0024493 au
  Orbit Determination Parameters
   # obs. used (total)      207  
   data-arc span      3345 days (9.16 yr)  
   first obs. used      2006-04-27  
   last obs. used      2015-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .31  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 07:36:59  

Additional Information
 Earth MOID = 26.5872 au 
 Jupiter MOID = 22.6956 au 
 T_jup = 5.271 
[ 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 5.9   n/a MPO383031  

469987 (2006 HJ123)          Discovered 2006-Apr-27 by Buie, M. W. at Cerro Tololo
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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