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192863 (1999 WR5)
Classification: Main-belt Asteroid          SPK-ID: 2192863
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2177955616807634 3.3969e-08  
a 2.718122520585584 1.7563e-08 au
q 2.126127499497514 9.4558e-08 au
i 9.415006983686744 6.5537e-06 deg
node 33.7401501063124 2.3849e-05 deg
peri 64.01841303448657 3.0551e-05 deg
M 253.4419989885369 1.8382e-05 deg
tp 2459880.990799376964
(2022-Oct-28.49079938)
8.6056e-05 TDB
period 1636.823946771897
4.48
1.5864e-05
4.343e-08
d
yr
n .2199381312266252 2.1317e-09 deg/d
Q 3.310117541673654 2.1388e-08 au
  Orbit Determination Parameters
   # obs. used (total)      409  
   data-arc span      7970 days (21.82 yr)  
   first obs. used      1999-10-09  
   last obs. used      2021-08-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5839  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 22:26:19  

Additional Information
 Earth MOID = 1.16219 au 
 Jupiter MOID = 1.97775 au 
 T_jup = 3.306 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457642.5 (2016-Sep-11.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2212243316612768 3.4645e-08  
q 2.112791861418585 9.718e-08 au
tp 2458242.317497696078
(2018-May-03.81749770)
7.4662e-05 TDB
node 34.14393730531242 2.3819e-05 deg
peri 63.05063259698772 3.0139e-05 deg
i 9.432809210701347 6.5596e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      409  
   data-arc span      7970 days (21.82 yr)  
   first obs. used      1999-10-09  
   last obs. used      2021-08-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5839  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 22:26:19  

Additional Information
 Jupiter MOID = 1.97775 au 
 T_jup = 3.306 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.200293687388127E-15 -3.334941751681437E-15 -8.814319090891246E-13 2.966686653941001E-15 -2.095792648440793E-13 -5.157632785106399E-15
q -3.334941751681437E-15 9.444021818232572E-15 2.87667105117249E-12 -1.020388492785471E-14 6.712071791966515E-13 1.555770260080394E-14
tp -8.814319090891246E-13 2.87667105117249E-12 5.574481881017431E-9 -1.109395291089511E-11 1.38410722964987E-9 8.544485920674042E-12
node 2.966686653941001E-15 -1.020388492785471E-14 -1.109395291089511E-11 5.673371983570415E-10 -5.61598065583179E-10 -2.674068360652519E-11
peri -2.095792648440793E-13 6.712071791966515E-13 1.38410722964987E-9 -5.61598065583179E-10 9.083381380457842E-10 2.835201371486161E-11
i -5.157632785106399E-15 1.555770260080394E-14 8.544485920674042E-12 -2.674068360652519E-11 2.835201371486161E-11 4.302828368882235E-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 16.16   n/a MPO637973  

192863 (1999 WR5)          Discovered 1999-Nov-29 by Spacewatch at Kitt Peak
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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