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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 192 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5724494220693266 4.1483e-08  
a 2.380253960400758 7.7082e-09 au
q 1.017678956391118 1.0125e-07 au
i 5.877124603455949 3.8619e-06 deg
node 27.06371878496433 4.2843e-05 deg
peri 174.4658789203223 4.2837e-05 deg
M 264.795830105597 4.7797e-06 deg
tp 2458955.220952081991
(2020-Apr-15.72095208)
1.9317e-05 TDB
period 1341.32299972949
3.67
6.5156e-06
1.784e-08
d
yr
n .2683917297120848 1.3037e-09 deg/d
Q 3.742828964410397 1.2121e-08 au
  Orbit Determination Parameters
   # obs. used (total)      803  
   data-arc span      11898 days (32.57 yr)  
   first obs. used      1987-06-30  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49231  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-27 05:41:42  

Additional Information
 Earth MOID = .0154902 au 
 Jupiter MOID = 1.2165 au 
 T_jup = 3.289 
[ 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 4.112 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
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.]

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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