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JPL Small-Body Database Browser
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(2021 OA1)
Classification: Amor [NEO]          SPK-ID: 54174524
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3859329276715287 0.00048353  
a 1.706030513663333 0.0014071 au
q 1.047617162828281 3.9129e-05 au
i 6.633598448251373 0.0060547 deg
node 131.4564405236 0.00091252 deg
peri 197.8328056607074 0.0018936 deg
M 338.1010652176813 0.028719 deg
tp 2459446.010704743907
(2021-Aug-19.51070474)
0.0036851 TDB
period 813.9141873785304
2.23
1.0069
0.002757
d
yr
n .4423070706747286 0.0005472 deg/d
Q 2.364443864498385 0.0019501 au
  Orbit Determination Parameters
   # obs. used (total)      76  
   data-arc span      15 days  
   first obs. used      2021-07-28  
   last obs. used      2021-08-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .42912  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-13 05:54:08  

Additional Information
 Earth MOID = .0417666 au 
 Jupiter MOID = 3.0034 au 
 T_jup = 4.099 
[ 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 24.27   .5039 E2021-PE7 autocmod 2.9c

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