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13020 (1988 PW2)
Classification: Main-belt Asteroid          SPK-ID: 2013020
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03729856567244288 4.9509e-08  
a 2.984992721337894 2.9557e-08 au
q 2.873656774289308 1.4296e-07 au
i 10.59754644283275 7.9146e-06 deg
node 175.8065783318751 2.6276e-05 deg
peri 76.23170929255157 0.00011336 deg
M 187.8717267310338 0.00011103 deg
tp 2458301.164515933836
(2018-Jul-01.66451593)
0.00058396 JED
period 1883.706956320462
5.16
2.7979e-05
7.66e-08
d
yr
n .1911125288315577 2.8386e-09 deg/d
Q 3.096328668386479 3.066e-08 au
  Orbit Determination Parameters
   # obs. used (total)      911  
   data-arc span      9991 days (27.35 yr)  
   first obs. used      1988-08-10  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54103  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:22:47  

Additional Information
 Earth MOID = 1.8833 au 
 Jupiter MOID = 1.91729 au 
 T_jup = 3.231 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.5 mag n/a MPO324429  
rotation period rot_per 3.1027 h n/a LCDB (Rev. 2015-December); 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.]

13020 (1988 PW2)          Discovered 1988-Aug-10 by McNaught, R. H. at Siding Spring
Reference: 20000124/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1988 PW2 = 1997 GL38 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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