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JPL Small-Body Database Browser
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52768 (1998 OR2)
Classification: Amor [NEO, PHA]          SPK-ID: 2052768
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 214 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5730839231285572 4.3461e-08  
a 2.384435231820623 1.2603e-08 au
q 1.01795373472291 9.8822e-08 au
i 5.865875605625818 3.4258e-06 deg
node 27.01545744416162 4.223e-05 deg
peri 174.56621259478 4.1997e-05 deg
M 12.1013904912867 4.4613e-06 deg
tp 2458955.292603512203
(2020-Apr-15.79260351)
1.6959e-05 TDB
period 1344.858902563717
3.68
1.0662e-05
2.919e-08
d
yr
n .2676860742147214 2.1222e-09 deg/d
Q 3.750916728918337 1.9825e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1097  
   data-arc span      11930 days (32.66 yr)  
   first obs. used      1987-06-30  
   last obs. used      2020-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43985  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-27 10:11:33  

Additional Information
 Earth MOID = .0154376 au 
 Jupiter MOID = 1.20745 au 
 T_jup = 3.286 
[ 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 15.8   n/a MPO422042  
rotation period rot_per 4.1120 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Koehn, B.W.; Bowell, E.L.G.; Skiff, B.A.; Sanborn, J.J.; et al. (2014) Minor Planet Bull. 41, 286-300.]
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.; Pravec, P.; Koehn, B.W. (2019). Minor Planet Bull. 46-4, in press.]

52768 (1998 OR2)          Discovered 1998-Jul-24 by NEAT at Haleakala
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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