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JPL Small-Body Database Browser
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108988 (2001 PM54)
Classification: Main-belt Asteroid          SPK-ID: 2108988
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07895085771638181 5.1713e-08  
a 2.852841688551615 2.2799e-08 au
q 2.627607390311414 1.4867e-07 au
i 1.014906450611851 5.2163e-06 deg
node 290.896228877985 0.00043679 deg
peri 16.17914972590065 0.00043952 deg
M 336.5764304507155 5.2001e-05 deg
tp 2459115.015826775558
(2020-Sep-22.51582678)
0.00025484 TDB
period 1760.009188713097
4.82
2.1098e-05
5.776e-08
d
yr
n .2045443866479065 2.452e-09 deg/d
Q 3.078075986791816 2.4599e-08 au
  Orbit Determination Parameters
   # obs. used (total)      306  
   data-arc span      9238 days (25.29 yr)  
   first obs. used      1994-01-17  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61275  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:46:08  

Additional Information
 Earth MOID = 1.6127 au 
 Jupiter MOID = 2.0994 au 
 T_jup = 3.300 
[ 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 15.9   n/a MPO432613  

108988 (2001 PM54)          Discovered 2001-Aug-14 by NEAT at Haleakala
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 PM54 = 2002 WB20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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