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85327 (1995 OR15)
Classification: Main-belt Asteroid          SPK-ID: 2085327
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05053744331453594 5.6918e-08  
a 3.114585942993638 2.6291e-08 au
q 2.957182732451347 1.7345e-07 au
i 14.63916302660239 6.4791e-06 deg
node 291.6181253865328 1.8143e-05 deg
peri 352.3336391498564 5.5362e-05 deg
M 214.1355162591022 5.4482e-05 deg
tp 2459813.978284522308
(2022-Aug-22.47828452)
0.00030632 TDB
period 2007.700400518543
5.50
2.5421e-05
6.96e-08
d
yr
n .1793096220467059 2.2704e-09 deg/d
Q 3.27198915353593 2.762e-08 au
  Orbit Determination Parameters
   # obs. used (total)      632  
   data-arc span      9034 days (24.73 yr)  
   first obs. used      1995-07-26  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55984  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:35:42  

Additional Information
 Earth MOID = 1.94132 au 
 Jupiter MOID = 1.91517 au 
 T_jup = 3.166 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457432.5 (2016-Feb-14.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05006598118440952 5.6553e-08  
q 2.957653624318411 1.7183e-07 au
tp 2457799.297846614858
(2017-Feb-14.79784661)
0.00030641 TDB
node 291.646627412236 1.8146e-05 deg
peri 351.0379769888723 5.632e-05 deg
i 14.63822986608395 6.479e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      632  
   data-arc span      9034 days (24.73 yr)  
   first obs. used      1995-07-26  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55984  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:35:42  

Additional Information
 Jupiter MOID = 1.91517 au 
 T_jup = 3.166 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.198259987710057E-15 -9.620290593459255E-15 7.466364310936737E-12 1.218073506909149E-14 1.282750641793456E-12 8.857861931311561E-16
q -9.620290593459255E-15 2.952590670981058E-14 -2.173456355078082E-11 -4.316567103859779E-14 -3.749125377685044E-12 -1.303837786564964E-15
tp 7.466364310936737E-12 -2.173456355078082E-11 9.388508885591739E-8 4.018645411231634E-11 1.635842706377332E-8 -1.926263516179601E-12
node 1.218073506909149E-14 -4.316567103859779E-14 4.018645411231634E-11 3.292905904183319E-10 -3.111791775203984E-10 3.433909099691096E-11
peri 1.282750641793456E-12 -3.749125377685044E-12 1.635842706377332E-8 -3.111791775203984E-10 3.17192785701791E-9 -3.354659491770471E-11
i 8.857861931311561E-16 -1.303837786564964E-15 -1.926263516179601E-12 3.433909099691096E-11 -3.354659491770471E-11 4.197799048559157E-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 14.4   n/a MPO426528  
diameter diameter 4.158 km 0.975 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.148   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85327 (1995 OR15)          Discovered 1995-Jul-26 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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