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JPL Small-Body Database Browser
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108971 (2001 PL42)
Classification: Main-belt Asteroid          SPK-ID: 2108971
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1166625674484687 6.2799e-08  
a 3.154258933352518 2.6146e-08 au
q 2.786274987790345 1.9865e-07 au
i 17.31908431896929 6.8033e-06 deg
node 26.84985950052864 1.5897e-05 deg
peri 6.892625204891775 2.632e-05 deg
M 72.74846957981507 2.1217e-05 deg
tp 2458587.009248555277
(2019-Apr-13.50924856)
0.00011998 TDB
period 2046.182845905565
5.60
2.5441e-05
6.965e-08
d
yr
n .175937356097166 2.1875e-09 deg/d
Q 3.522242878914691 2.9196e-08 au
  Orbit Determination Parameters
   # obs. used (total)      785  
   data-arc span      8535 days (23.37 yr)  
   first obs. used      1996-09-21  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51749  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:17:02  

Additional Information
 Earth MOID = 1.79273 au 
 Jupiter MOID = 1.93623 au 
 T_jup = 3.126 
[ 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 14.2   n/a MPO379286  
diameter diameter 7.322 km 0.251 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.083   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108971 (2001 PL42)          Discovered 2001-Aug-12 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 PL42 = 1999 FH93 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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