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531224 (2012 HK85)
Classification: TransNeptunian Object          SPK-ID: 2531224
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3425652997884066 2.8449e-05  
a 58.09538813467651 0.0031287 au
q 38.19392408199722 0.00067192 au
i 4.80831972311517 8.6159e-05 deg
node 75.89653250691427 0.00080186 deg
peri 174.3474302163332 0.0050664 deg
M 348.5745509605629 0.0027762 deg
tp 2464133.623225514189
(2034-Jun-20.12322551)
0.96306 TDB
period 161737.5697713635
442.81
13.066
0.03577
d
yr
n .002225827929212152 1.7981e-07 deg/d
Q 77.99685218735581 0.0042005 au
  Orbit Determination Parameters
   # obs. used (total)      73  
   data-arc span      7438 days (20.36 yr)  
   first obs. used      2000-02-12  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .70443  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 21:56:30  

Additional Information
 Earth MOID = 37.1799 au 
 Jupiter MOID = 32.8509 au 
 T_jup = 6.346 
[ 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 6.9   n/a E2018Y78  

531224 (2012 HK85)          Discovered 2012-Apr-27 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2019-05-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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