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JPL Small-Body Database Browser
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434390 (2005 CH81)
Classification: TransNeptunian Object          SPK-ID: 2434390
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3144913616088266 0.00024668  
a 54.8903836685558 0.022949 au
q 37.62783216940079 0.0022379 au
i 5.145159830012592 0.00030682 deg
node 122.8709665442806 0.0011806 deg
peri 15.42712265756676 0.016943 deg
M 13.08496440142105 0.010887 deg
tp 2453601.505672996689
(2005-Aug-19.00567300)
3.4458 TDB
period 148539.7971361779
406.68
93.154
0.255
d
yr
n .002423592915439087 1.5199e-06 deg/d
Q 72.15293516771081 0.030166 au
  Orbit Determination Parameters
   # obs. used (total)      31  
   data-arc span      3716 days (10.17 yr)  
   first obs. used      2005-02-10  
   last obs. used      2015-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .3762  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 13:46:08  

Additional Information
 Earth MOID = 36.6417 au 
 Jupiter MOID = 32.2742 au 
 T_jup = 6.236 
[ 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 8.2   n/a MPO201697  

434390 (2005 CH81)          Discovered 2005-Feb-10 by Canada-France Ecliptic Plane Survey at Mauna Kea
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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