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(2021 JO2)
Classification: Aten [NEO]          SPK-ID: 54144230
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1094284678387984 0.00015227  
a .9619051948595819 5.0376e-05 au
q .8566453831799171 0.00010162 au
i 14.16840543214711 0.033477 deg
node 53.18281417244064 0.00096525 deg
peri 318.7460101525367 0.065607 deg
M 75.01344210020612 0.10196 deg
tp 2459128.698515146739
(2020-Oct-06.19851515)
0.10323 TDB
period 344.5853679483805
0.94
0.027069
7.411e-05
d
yr
n 1.044733855483755 8.207e-05 deg/d
Q 1.067165006539247 5.5888e-05 au
  Orbit Determination Parameters
   # obs. used (total)      30  
   data-arc span      7 days  
   first obs. used      2021-05-06  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .59405  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-13 05:57:04  

Additional Information
 Earth MOID = .0220318 au 
 Jupiter MOID = 4.10407 au 
 T_jup = 6.238 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.404   .45275 4 autocmod 2.9c

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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