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JPL Small-Body Database Browser
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108986 (2001 PJ52)
Classification: Outer Main-belt Asteroid          SPK-ID: 2108986
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1201803268398897 4.3781e-08  
a 3.220018597417184 3.0762e-08 au
q 2.833035709949064 1.4091e-07 au
i 18.13936848061227 5.2966e-06 deg
node 179.2134137365943 1.4718e-05 deg
peri 61.69972101644704 2.5624e-05 deg
M 180.2670866187337 2.3074e-05 deg
tp 2460054.185758377916
(2023-Apr-19.68575838)
0.00014118 TDB
period 2110.503111978082
5.78
3.0244e-05
8.28e-08
d
yr
n .17057544144656 2.4444e-09 deg/d
Q 3.607001484885305 3.4459e-08 au
  Orbit Determination Parameters
   # obs. used (total)      548  
   data-arc span      7150 days (19.58 yr)  
   first obs. used      2000-06-01  
   last obs. used      2019-12-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56598  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:17:23  

Additional Information
 Earth MOID = 1.87446 au 
 Jupiter MOID = 1.51038 au 
 T_jup = 3.100 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457286.5 (2015-Sep-21.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1226870985151984 4.3313e-08  
q 2.823014044262744 1.3984e-07 au
tp 2457946.165013501907
(2017-Jul-11.66501350)
0.00012931 TDB
node 179.251058703499 1.4717e-05 deg
peri 62.22278754461293 2.5468e-05 deg
i 18.14370573106637 5.2987e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      548  
   data-arc span      7150 days (19.58 yr)  
   first obs. used      2000-06-01  
   last obs. used      2019-12-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56598  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:17:23  

Additional Information
 Jupiter MOID = 1.51038 au 
 T_jup = 3.100 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.876016002890879E-15 -5.944760619038016E-15 -7.872654454239795E-13 -2.483682733720112E-15 -1.102900406207816E-13 6.611356788447188E-16
q -5.944760619038016E-15 1.955473806367391E-14 3.353290069859712E-12 9.000300449304886E-15 4.451283765627629E-13 -6.646160500119024E-16
tp -7.872654454239795E-13 3.353290069859712E-12 1.672153020698131E-8 1.227911280124687E-11 2.705670160107707E-9 8.583062328353108E-12
node -2.483682733720112E-15 9.000300449304886E-15 1.227911280124687E-11 2.165958169461338E-10 -2.038702839186432E-10 3.336068645901217E-12
peri -1.102900406207816E-13 4.451283765627629E-13 2.705670160107707E-9 -2.038702839186432E-10 6.486192205879479E-10 -1.904675556088766E-12
i 6.611356788447188E-16 -6.646160500119024E-16 8.583062328353108E-12 3.336068645901217E-12 -1.904675556088766E-12 2.807628307150973E-11

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 14.7   n/a MPO417558  
diameter diameter 8.449 km 0.245 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108986 (2001 PJ52)          Discovered 2001-Aug-15 by NEAT at Haleakala
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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