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JPL Small-Body Database Browser
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108969 (2001 PH41)
Classification: Main-belt Asteroid          SPK-ID: 2108969
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03462831294701417 4.7937e-08  
a 3.080219220832969 3.2045e-08 au
q 2.973556425708557 1.5362e-07 au
i 9.592825425703648 6.4822e-06 deg
node 298.9803198891255 3.7616e-05 deg
peri 303.6407428369378 0.00012306 deg
M 271.3888825154335 0.0001197 deg
tp 2459486.522728812571
(2021-Sep-29.02272881)
0.0006584 TDB
period 1974.562417667285
5.41
3.0813e-05
8.436e-08
d
yr
n .182318875705787 2.8451e-09 deg/d
Q 3.186882015957381 3.3155e-08 au
  Orbit Determination Parameters
   # obs. used (total)      400  
   data-arc span      6722 days (18.40 yr)  
   first obs. used      2001-08-11  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59213  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 15:45:04  

Additional Information
 Earth MOID = 1.97122 au 
 Jupiter MOID = 1.94472 au 
 T_jup = 3.206 
[ 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 14.6   n/a MPO426691  
diameter diameter 4.384 km 1.494 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.146   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108969 (2001 PH41)          Discovered 2001-Aug-11 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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