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444584 (2006 UK)
Classification: Apollo [NEO, PHA]          SPK-ID: 2444584
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 83 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5393254759606745 1.6627e-08  
a 1.493832636297462 7.2813e-09 au
q .6881706387207441 2.7348e-08 au
i 4.745114395162783 8.062e-06 deg
node 243.9840960174897 2.5421e-05 deg
peri 252.3016402478492 2.5383e-05 deg
M 326.0967028618018 4.9219e-06 deg
tp 2459459.304502123454
(2021-Sep-01.80450212)
9.5742e-06 TDB
period 666.8856032580228
1.83
4.8758e-06
1.335e-08
d
yr
n .5398227195807576 3.9468e-09 deg/d
Q 2.29949463387418 1.1208e-08 au
  Orbit Determination Parameters
   # obs. used (total)      383  
   # delay obs. used      3  
   # Doppler obs. used      1  
   data-arc span      4050 days (11.09 yr)  
   first obs. used      2006-10-17  
   last obs. used      2017-11-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .32224  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:51:38  

Additional Information
 Earth MOID = .0141762 au 
 Jupiter MOID = 2.76814 au 
 T_jup = 4.383 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457097.5 (2015-Mar-16.0) TDB
Reference: JPL 83 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5386448497400536 1.66e-08  
q .6881459675641534 2.743e-08 au
tp 2456793.787453170257
(2014-May-16.28745317)
9.8952e-06 TDB
node 244.1687811979489 2.5705e-05 deg
peri 252.1277375216337 2.5733e-05 deg
i 4.723611619128758 8.078e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      383  
   # delay obs. used      3  
   # Doppler obs. used      1  
   data-arc span      4050 days (11.09 yr)  
   first obs. used      2006-10-17  
   last obs. used      2017-11-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .32224  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:51:38  

Additional Information
 Jupiter MOID = 2.76814 au 
 T_jup = 4.383 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.755460623365271E-16 -4.540377558552577E-16 1.274382650432852E-13 -7.370406819502083E-14 1.267403512078341E-13 1.965246496470992E-14
q -4.540377558552577E-16 7.523814918514191E-16 -2.22722519824878E-13 1.119506159750071E-13 -2.005533821908879E-13 -2.988043419647967E-14
tp 1.274382650432852E-13 -2.22722519824878E-13 9.79146648065443E-11 -1.12539427863756E-11 4.008597234845291E-11 2.997348703958018E-12
node -7.370406819502083E-14 1.119506159750071E-13 -1.12539427863756E-11 6.607603310886816E-10 -6.554107986030713E-10 -1.885166594240103E-10
peri 1.267403512078341E-13 -2.005533821908879E-13 4.008597234845291E-11 -6.554107986030713E-10 6.621956971803726E-10 1.865753737601052E-10
i 1.965246496470992E-14 -2.988043419647967E-14 2.997348703958018E-12 -1.885166594240103E-10 1.865753737601052E-10 6.525343490992945E-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 20.2   n/a MPO382632  
rotation period rot_per 5.721 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2019) http://www.asu.cas.cz/~ppravec/neo.htm]

444584 (2006 UK)          Discovered 2006-Oct-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-05

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