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357871 (2005 UN365)
Classification: Main-belt Asteroid          SPK-ID: 2357871
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0419538385891725 6.7723e-08  
a 3.096959358686404 5.3005e-08 au
q 2.967030025634848 2.1389e-07 au
i 4.594537347423655 6.1073e-06 deg
node 97.17000922319673 9.4744e-05 deg
peri 293.526485744686 0.00012108 deg
M 261.3783392819964 7.796e-05 deg
tp 2459545.845202354889
(2021-Nov-27.34520235)
0.00043638 TDB
period 1990.68106761176
5.45
5.1107e-05
1.399e-07
d
yr
n .1808426301215069 4.6428e-09 deg/d
Q 3.22688869173796 5.5229e-08 au
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      4997 days (13.68 yr)  
   first obs. used      2005-10-27  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67669  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:33:31  

Additional Information
 Earth MOID = 1.97627 au 
 Jupiter MOID = 1.98757 au 
 T_jup = 3.217 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457502.5 (2016-Apr-24.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04529406706302475 6.7766e-08  
q 2.95134182168306 2.1443e-07 au
tp 2457566.259848789444
(2016-Jun-26.75984879)
0.00038877 TDB
node 97.18980480629986 9.488e-05 deg
peri 294.912492321731 0.00011788 deg
i 4.593957809573411 6.1087e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      4997 days (13.68 yr)  
   first obs. used      2005-10-27  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67669  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:33:31  

Additional Information
 Jupiter MOID = 1.98757 au 
 T_jup = 3.217 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.592247460912233E-15 -1.413801779406643E-14 -2.52627892082452E-12 5.825586045767113E-15 -4.562189898667875E-13 9.767702150704881E-16
q -1.413801779406643E-14 4.597974022561096E-14 1.314800614266682E-11 -2.346994053270578E-14 2.347920257931444E-12 -1.062909094212456E-15
tp -2.52627892082452E-12 1.314800614266682E-11 1.511407604617397E-7 -1.545867092762893E-10 2.72940360967606E-8 3.004958470712768E-12
node 5.825586045767113E-15 -2.346994053270578E-14 -1.545867092762893E-10 9.002174124318463E-9 -9.000819247621489E-9 -6.885533358314962E-11
peri -4.562189898667875E-13 2.347920257931444E-12 2.72940360967606E-8 -9.000819247621489E-9 1.389578720361018E-8 6.919467169921448E-11
i 9.767702150704881E-16 -1.062909094212456E-15 3.004958470712768E-12 -6.885533358314962E-11 6.919467169921448E-11 3.731599388910207E-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 16.5   n/a MPO434259  

357871 (2005 UN365)          Discovered 2005-Oct-27 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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Alternate Designations
 2005 UN365 = 2010 NV15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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