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160629 (1999 UQ45)
Classification: Main-belt Asteroid          SPK-ID: 2160629
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2790190271562427 9.6946e-08  
a 2.57222227795575 2.6533e-08 au
q 1.854523320330922 2.6443e-07 au
i 4.183859920015272 7.3351e-06 deg
node 287.1158799873936 8.623e-05 deg
peri 53.36960212076234 8.8247e-05 deg
M 28.05258975774368 2.7996e-05 deg
tp 2458883.082824335539
(2020-Feb-03.58282434)
0.00011546 TDB
period 1506.819284930285
4.13
2.3315e-05
6.383e-08
d
yr
n .2389138522451654 3.6967e-09 deg/d
Q 3.289921235580578 3.3936e-08 au
  Orbit Determination Parameters
   # obs. used (total)      365  
   data-arc span      6742 days (18.46 yr)  
   first obs. used      1999-10-03  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57155  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:58:37  

Additional Information
 Earth MOID = .849583 au 
 Jupiter MOID = 2.13663 au 
 T_jup = 3.370 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455857.5 (2011-Oct-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2789297899749395 9.5995e-08  
q 1.855088882502188 2.6145e-07 au
tp 2455872.247336933047
(2011-Nov-06.74733693)
7.3522e-05 TDB
node 287.2328849043517 8.6445e-05 deg
peri 53.80507358572889 8.8486e-05 deg
i 4.177260536087242 7.3259e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      365  
   data-arc span      6742 days (18.46 yr)  
   first obs. used      1999-10-03  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57155  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:58:37  

Additional Information
 Jupiter MOID = 2.13663 au 
 T_jup = 3.370 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.214960289160806E-15 -2.507135115434969E-14 -5.232907493023118E-12 7.141543448641791E-14 -1.297645811293134E-12 -2.626198597811065E-14
q -2.507135115434969E-14 6.835546942250134E-14 1.460650159474235E-11 -1.976035641147708E-13 3.616529523956606E-12 7.195068503255324E-14
tp -5.232907493023118E-12 1.460650159474235E-11 5.405553337370674E-9 -6.824677791683435E-11 1.421822135356515E-9 1.485262828229286E-11
node 7.141543448641791E-14 -1.976035641147708E-13 -6.824677791683435E-11 7.472657037506348E-9 -7.469014171666847E-9 2.265794245895028E-10
peri -1.297645811293134E-12 3.616529523956606E-12 1.421822135356515E-9 -7.469014171666847E-9 7.829851074286054E-9 -2.226406141457122E-10
i -2.626198597811065E-14 7.195068503255324E-14 1.485262828229286E-11 2.265794245895028E-10 -2.226406141457122E-10 5.366901551446017E-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 15.8   n/a MPO436810  

160629 (1999 UQ45)          Discovered 1999-Oct-31 by CSS at Catalina
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

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