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(2021 JM3)
Classification: Apollo [NEO]          SPK-ID: 54144291
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 .509472578665816 0.00065756  
a 2.055536573300927 0.0027473 au
q 1.008297054759409 4.0429e-06 au
i 3.083426570479774 0.002831 deg
node 55.17375244633215 0.00041168 deg
peri 198.8197134777316 0.0027899 deg
M 304.6488980340347 0.11134 deg
tp 2459366.004577615107
(2021-May-31.50457762)
0.0011238 TDB
period 1076.431106612377
2.95
2.158
0.005908
d
yr
n .3344384956812995 0.00067047 deg/d
Q 3.102776091842445 0.0041469 au
  Orbit Determination Parameters
   # obs. used (total)      24  
   data-arc span      10 days  
   first obs. used      2021-05-08  
   last obs. used      2021-05-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .30599  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-19 06:23:08  

Additional Information
 Earth MOID = .0065103 au 
 Jupiter MOID = 1.96673 au 
 T_jup = 3.611 
[ 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 27.077   .28619 4 autocmod 2.9c

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