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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1676464519508625 5.2851e-08  
a 2.660829443194205 1.3864e-08 au
q 2.214750827796308 1.4647e-07 au
i 13.30969567891826 5.0594e-06 deg
node 46.37508677593212 1.6135e-05 deg
peri 329.6404692995878 2.0376e-05 deg
M 11.12863353488041 1.0299e-05 deg
tp 2459151.492412522622
(2020-Oct-28.99241252)
4.5432e-05 TDB
period 1585.345715317038
4.34
1.2391e-05
3.392e-08
d
yr
n .2270798075913726 1.7748e-09 deg/d
Q 3.106908058592103 1.6189e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1089  
   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      .51153  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:04:46  

Additional Information
 Earth MOID = 1.22677 au 
 Jupiter MOID = 2.36888 au 
 T_jup = 3.328 
[ show covariance matrix ]

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

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

[ show close-approach data ]
Alternate Designations
 2001 OA84 = 1997 HV13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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