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52769 (1998 OF4)
Classification: Main-belt Asteroid          SPK-ID: 2052769
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1613407830460134 3.6082e-08  
a 2.22396081465615 6.9655e-09 au
q 1.865145235355877 8.0821e-08 au
i 5.087276559884529 3.4196e-06 deg
node 139.8526495961207 4.2593e-05 deg
peri 227.8449664495563 4.3601e-05 deg
M 226.7616055747208 9.6636e-06 deg
tp 2459648.848801376191
(2022-Mar-10.34880138)
3.3168e-05 TDB
period 1211.404334251009
3.32
5.6912e-06
1.558e-08
d
yr
n .2971757569470659 1.3961e-09 deg/d
Q 2.582776393956424 8.0893e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1005  
   data-arc span      7931 days (21.71 yr)  
   first obs. used      1998-07-26  
   last obs. used      2020-04-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52481  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:47:56  

Additional Information
 Earth MOID = .866334 au 
 Jupiter MOID = 2.8809 au 
 T_jup = 3.625 
[ 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 16.14   n/a E2021B10  

52769 (1998 OF4)          Discovered 1998-Jul-26 by Comba, P. G. at Prescott
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

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