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72912 (2001 OA84)
Classification: Main-belt Asteroid          SPK-ID: 2072912
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1677400763428448 5.2853e-08  
a 2.661290207872121 1.3838e-08 au
q 2.214885185233186 1.4648e-07 au
i 13.3088168214706 5.0576e-06 deg
node 46.3737024040762 1.613e-05 deg
peri 329.6864120501608 2.0366e-05 deg
M 55.58970973336359 1.0221e-05 deg
tp 2459151.633887492416
(2020-Oct-29.13388749)
4.5392e-05 TDB
period 1585.757524648912
4.34
1.2368e-05
3.386e-08
d
yr
n .2270208366690263 1.7707e-09 deg/d
Q 3.107695230511056 1.6159e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1092  
   data-arc span      8712 days (23.85 yr)  
   first obs. used      1997-04-30  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5203  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:50:52  

Additional Information
 Earth MOID = 1.22743 au 
 Jupiter MOID = 2.36901 au 
 T_jup = 3.327 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.96   n/a E2021B10  

72912 (2001 OA84)          Discovered 2001-Jul-18 by Tholen, D. J. at Mauna Kea
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 OA84 = 1997 HV13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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