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85362 (1995 WR32)
Classification: Main-belt Asteroid          SPK-ID: 2085362
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2095349054811763 6.0747e-08  
a 2.764410271165874 1.184e-08 au
q 2.185169826285939 1.6742e-07 au
i 14.43590948754442 5.3145e-06 deg
node 38.73305862698879 1.7303e-05 deg
peri 345.8163035841503 2.038e-05 deg
M 128.7415985769734 9.4877e-06 deg
tp 2458400.130570036154
(2018-Oct-08.63057004)
4.3673e-05 TDB
period 1678.812420973324
4.60
1.0786e-05
2.953e-08
d
yr
n .2144372983559908 1.3777e-09 deg/d
Q 3.343650716045809 1.4321e-08 au
  Orbit Determination Parameters
   # obs. used (total)      677  
   data-arc span      9892 days (27.08 yr)  
   first obs. used      1993-03-30  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51872  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:36:06  

Additional Information
 Earth MOID = 1.19274 au 
 Jupiter MOID = 2.11075 au 
 T_jup = 3.263 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457034.5 (2015-Jan-12.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2064346334635982 6.0305e-08  
q 2.196394071876729 1.6547e-07 au
tp 2456718.095528546379
(2014-Mar-01.59552855)
4.5523e-05 TDB
node 38.895590600777 1.7351e-05 deg
peri 345.5319189417023 2.0565e-05 deg
i 14.40590417765485 5.3037e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      677  
   data-arc span      9892 days (27.08 yr)  
   first obs. used      1993-03-30  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51872  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:36:06  

Additional Information
 Jupiter MOID = 2.11075 au 
 T_jup = 3.263 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.636650292148049E-15 -9.962625512242394E-15 -4.924838321321789E-13 7.434222265479617E-15 -2.765233980107839E-13 4.266014313157906E-15
q -9.962625512242394E-15 2.738120149088387E-14 1.29230342337872E-12 -1.953917594486475E-14 7.489940265230815E-13 -1.159423423207164E-14
tp -4.924838321321789E-13 1.29230342337872E-12 2.07230610087033E-9 3.540900964616839E-12 5.048483396558063E-10 -6.682283714606903E-12
node 7.434222265479617E-15 -1.953917594486475E-14 3.540900964616839E-12 3.010432181062986E-10 -2.906858937554866E-10 -1.591109052820772E-11
peri -2.765233980107839E-13 7.489940265230815E-13 5.048483396558063E-10 -2.906858937554866E-10 4.229025034080374E-10 1.356508909142353E-11
i 4.266014313157906E-15 -1.159423423207164E-14 -6.682283714606903E-12 -1.591109052820772E-11 1.356508909142353E-11 2.812940167258944E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO468823  
diameter diameter 2.372 km 0.551 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 15.72008 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.286   0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85362 (1995 WR32)          Discovered 1995-Nov-20 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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