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233572 (2007 PR31)
Classification: Main-belt Asteroid          SPK-ID: 2233572
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06783135364110941 7.9902e-08  
a 2.855104332444291 2.864e-08 au
q 2.661438740787999 2.3771e-07 au
i 5.258555280307527 9.4304e-06 deg
node 337.7572749138707 4.5688e-05 deg
peri 335.2485091907444 6.3228e-05 deg
M 236.1974769980455 4.4857e-05 deg
tp 2459606.480146874240
(2022-Jan-26.98014687)
0.00022107 TDB
period 1762.103449792234
4.82
2.6514e-05
7.259e-08
d
yr
n .2043012855133147 3.0741e-09 deg/d
Q 3.048769924100584 3.0583e-08 au
  Orbit Determination Parameters
   # obs. used (total)      333  
   data-arc span      6510 days (17.82 yr)  
   first obs. used      2002-07-26  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58836  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 01:52:42  

Additional Information
 Earth MOID = 1.64867 au 
 Jupiter MOID = 2.16468 au 
 T_jup = 3.294 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO427343  
rotation period rot_per 3.81 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

233572 (2007 PR31)          Discovered 2007-Aug-08 by LINEAR at Socorro
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

Alternate Designations
 2007 PR31 = 2003 UP318 = 2005 AT52 = 2007 TR347 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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