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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05057186660881084 4.7783e-08  
a 3.113269739973053 2.3855e-08 au
q 2.955825877965888 1.5063e-07 au
i 14.63859278879315 5.7061e-06 deg
node 291.6134581139557 1.7999e-05 deg
peri 352.8505661991416 5.3258e-05 deg
M 284.6339380490874 5.1707e-05 deg
tp 2459816.546020700382
(2022-Aug-25.04602070)
0.00028888 TDB
period 2006.42787400286
5.49
2.3061e-05
6.314e-08
d
yr
n .1794233446736331 2.0622e-09 deg/d
Q 3.270713601980217 2.5061e-08 au
  Orbit Determination Parameters
   # obs. used (total)      693  
   data-arc span      9395 days (25.72 yr)  
   first obs. used      1995-07-26  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55749  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:25:47  

Additional Information
 Earth MOID = 1.93958 au 
 Jupiter MOID = 1.91506 au 
 T_jup = 3.166 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457703.5 (2016-Nov-11.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05005356808837427 4.7386e-08  
q 2.957097168661156 1.4933e-07 au
tp 2457800.813175995574
(2017-Feb-16.31317600)
0.0002918 TDB
node 291.6393497715446 1.7999e-05 deg
peri 351.3494088342773 5.421e-05 deg
i 14.63911381218645 5.706e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      693  
   data-arc span      9395 days (25.72 yr)  
   first obs. used      1995-07-26  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55749  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:25:47  

Additional Information
 Jupiter MOID = 1.91506 au 
 T_jup = 3.166 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.245428232269508E-15 -6.995317619893816E-15 4.694479084835634E-12 1.106826540690409E-14 8.410164412847524E-13 1.462203788109721E-15
q -6.995317619893816E-15 2.22994899860886E-14 -1.410400933322157E-11 -3.890761424908451E-14 -2.534093193730228E-12 -2.837457843994499E-15
tp 4.694479084835634E-12 -1.410400933322157E-11 8.514827332711274E-8 3.919418987125043E-11 1.494777734291308E-8 8.960658319125292E-12
node 1.106826540690409E-14 -3.890761424908451E-14 3.919418987125043E-11 3.239510057745099E-10 -3.061524518264801E-10 3.420949373409496E-11
peri 8.410164412847524E-13 -2.534093193730228E-12 1.494777734291308E-8 -3.061524518264801E-10 2.938727895876828E-9 -3.150502174352716E-11
i 1.462203788109721E-15 -2.837457843994499E-15 8.960658319125292E-12 3.420949373409496E-11 -3.150502174352716E-11 3.255878547937842E-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 14.48   n/a E2021B10  
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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