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(2015 RQ281)
Classification: TransNeptunian Object          SPK-ID: 3840678
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 .7013333588611115 0.0096174  
a 123.6560787802451 3.1388 au
q 36.93194570570159 0.25689 au
i 19.27692917968238 0.0058656 deg
node 355.6527160575166 0.011925 deg
peri 235.88256910 0.10519 deg
M 18.07001687691908 0.80823 deg
tp 2433990.218783418131
(1951-Dec-09.71878342)
167.97 TDB
period 502251.9513837262
1375.09
19123
52.36
d
yr
n .0007167717298224211 2.7291e-05 deg/d
Q 210.3802118547886 5.3402 au
  Orbit Determination Parameters
   # obs. used (total)      13  
   data-arc span      987 days (2.70 yr)  
   first obs. used      2015-09-05  
   last obs. used      2018-05-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .26937  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 14:37:11  

Additional Information
 Earth MOID = 35.9601 au 
 Jupiter MOID = 31.7866 au 
 T_jup = 6.602 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 6.8   .19372 MPO466754 autocmod 2.6q
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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