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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05053744264242081 5.6871e-08  
a 3.114585942232848 2.6196e-08 au
q 2.957182733822365 1.7337e-07 au
i 14.63916296780386 6.4765e-06 deg
node 291.6181259598641 1.8048e-05 deg
peri 352.3336398473591 5.5241e-05 deg
M 214.1355152130871 5.4413e-05 deg
tp 2459813.978290057819
(2022-Aug-22.47829006)
0.00030598 TDB
period 2007.700399782921
5.50
2.5329e-05
6.935e-08
d
yr
n .179309622112405 2.2622e-09 deg/d
Q 3.27198915064333 2.752e-08 au
  Orbit Determination Parameters
   # obs. used (total)      635  
   data-arc span      9058 days (24.80 yr)  
   first obs. used      1995-07-26  
   last obs. used      2020-05-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55947  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:01:20  

Additional Information
 Earth MOID = 1.94132 au 
 Jupiter MOID = 1.91517 au 
 T_jup = 3.166 
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Orbital Elements at Epoch 2457464.5 (2016-Mar-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0500603667014969 5.6519e-08  
q 2.95750215922389 1.7185e-07 au
tp 2457799.637068706273
(2017-Feb-15.13706871)
0.00030588 TDB
node 291.644689277553 1.8052e-05 deg
peri 351.1082456737965 5.6195e-05 deg
i 14.63834136880107 6.4764e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      635  
   data-arc span      9058 days (24.80 yr)  
   first obs. used      1995-07-26  
   last obs. used      2020-05-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55947  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:01:20  

Additional Information
 Jupiter MOID = 1.91517 au 
 T_jup = 3.166 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.194374386202341E-15 -9.616032846604637E-15 7.502279848165234E-12 1.136341228075327E-14 1.291006069768735E-12 9.786460264497989E-16
q -9.616032846604637E-15 2.95316545823844E-14 -2.182668813299598E-11 -4.058188288003611E-14 -3.770338158203321E-12 -1.447492641965967E-15
tp 7.502279848165234E-12 -2.182668813299598E-11 9.356532011223711E-8 3.68178999515037E-11 1.630003429724622E-8 -1.804692329218418E-12
node 1.136341228075327E-14 -4.058188288003611E-14 3.68178999515037E-11 3.25889155504506E-10 -3.084723628862164E-10 3.467734413385406E-11
peri 1.291006069768735E-12 -3.770338158203321E-12 1.630003429724622E-8 -3.084723628862164E-10 3.157885889779732E-9 -3.385598019630426E-11
i 9.786460264497989E-16 -1.447492641965967E-15 -1.804692329218418E-12 3.467734413385406E-11 -3.385598019630426E-11 4.194413758254673E-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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