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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 ]

[ hide orbit diagram ]

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 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 
[ hide covariance matrix ]
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1943-Mar-16 17:04 00:02 Jupiter 1.98234450135989 1.98234328571277 1.98234571700983 5.07071593809293 4.98573903357781 2430800.211105460 2.43846685573768 214.601465622676 49.1269985730614 80.8252974459753 2930737.80825357 T 28 CATAB v2.0f-lin.ifort 2020-Nov-12 21:01:21 2020-Nov-12 21:01
1953-Jun-14 17:00 00:02 Jupiter 1.97263569807426 1.97263485569288 1.97263654046024 4.0667706967693 3.95977922757026 2434543.208483910 2.40884823920514 199.43739193512 22.2879084451784 -78.4374774556459 2442475.80820502 T 28 CATAB v2.0f-lin.ifort 2020-Nov-12 21:01:21 2020-Nov-12 21:01
2024-Dec-24 20:34 < 00:01 Jupiter 1.92659345405379 1.9265928752736 1.9265940328342 4.47235207711492 4.37294380956753 2460669.356999740 0.405679710641153 70.1350138443726 20.3439402383903 -74.8880037714559 2756936.96373453 T 28 CATAB v2.0f-lin.ifort 2020-Nov-12 21:01:21 2020-Nov-12 21:01
2096-Jun-28 22:37 00:03 Jupiter 1.89844496002705 1.89844436914625 1.89844555091412 4.74854059387243 4.65363350518404 2486788.442242916 2.78953693381398 321.638585680083 22.4660900195957 -86.6857455696136 2857698.89629409 T 28 CATAB v2.0f-lin.ifort 2020-Nov-12 21:01:21 2020-Nov-12 21:01
2167-Dec-29 03:18 00:05 Jupiter 1.89540197687185 1.89540131207316 1.89540264169274 4.91451685620465 4.82272851797987 2512902.637296182 5.12721888726381 578.974522102672 25.8083384032365 88.3929958879399 2942998.3800731 T 28 CATAB v2.0f-lin.ifort 2020-Nov-12 21:01:21 2020-Nov-12 21:01
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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