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58952 (1998 QO74)
Classification: Main-belt Asteroid          SPK-ID: 2058952
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1406817057717263 3.3604e-08  
a 2.609081358402938 1.0782e-08 au
q 2.2420313424056 8.9575e-08 au
i 11.47352573764408 4.5264e-06 deg
node 285.0624512770084 2.7219e-05 deg
peri 131.7173050713172 3.6452e-05 deg
M .6768577906526316 2.3177e-05 deg
tp 2458997.605824979326
(2020-May-28.10582498)
9.9102e-05 TDB
period 1539.323358364678
4.21
9.5421e-06
2.612e-08
d
yr
n .233868990581973 1.4497e-09 deg/d
Q 2.976131374400276 1.2299e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1384  
   data-arc span      9449 days (25.87 yr)  
   first obs. used      1995-01-03  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48827  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:40:58  

Additional Information
 Earth MOID = 1.27268 au 
 Jupiter MOID = 2.35373 au 
 T_jup = 3.368 
[ 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 14.1   n/a MPO371486  
rotation period rot_per 7.514 h n/a LCDB (Rev. 2020-October); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

58952 (1998 QO74)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QO74 = 1999 XC22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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