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(2015 RH278)
Classification: TransNeptunian Object          SPK-ID: 3831049
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .380874894870764 0.0033151  
a 55.59993518232479 0.16313 au
q 34.42331571493554 0.083717 au
i 5.033366920386118 0.0031072 deg
node 191.1313662466855 0.0030846 deg
peri 305.4566011461766 0.41976 deg
M 273.6801938160863 0.98015 deg
tp 2495509.794504069694
(2120-May-16.29450407)
252.63 TDB
period 151429.279088222
414.59
666.45
1.825
d
yr
n .002377347380688946 1.0463e-05 deg/d
Q 76.77655464971404 0.22526 au
  Orbit Determination Parameters
   # obs. used (total)      31  
   data-arc span      883 days (2.42 yr)  
   first obs. used      2015-06-23  
   last obs. used      2017-11-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .24933  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 14:36:58  

Additional Information
 Earth MOID = 33.4397 au 
 Jupiter MOID = 29.0976 au 
 T_jup = 6.115 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.2   .30884 E2018T36 autocmod 2.6n
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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