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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3059272350731134 3.8089e-05  
a 39.80424177949769 0.0018746 au
q 27.62704014771426 0.0010445 au
i 12.42216971132874 0.00016867 deg
node 222.5183226650772 0.00020824 deg
peri 101.0297329536519 0.0046885 deg
M 314.7118039735903 0.0057362 deg
tp 2470139.680881471744
(2050-Nov-29.18088147)
0.6582 TDB
period 91726.00107337844
251.13
6.4799
0.01774
d
yr
n .003924732309130202 2.7726e-07 deg/d
Q 51.98144341128113 0.0024481 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 = 26.6378 au 
 Jupiter MOID = 22.7446 au 
 T_jup = 5.274 
[ 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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