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357111 (2001 UK129)
Classification: Main-belt Asteroid          SPK-ID: 2357111
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1616326996358706 7.491e-08  
a 2.26289885204132 1.0215e-08 au
q 1.897140401582969 1.6916e-07 au
i 5.788785540029183 9.2645e-06 deg
node 180.1474105420286 4.5874e-05 deg
peri 218.4295093581573 5.0373e-05 deg
M 214.283165620037 2.0071e-05 deg
tp 2459703.772693492739
(2022-May-04.27269349)
7.0311e-05 TDB
period 1243.357848311172
3.40
8.4188e-06
2.305e-08
d
yr
n .2895385270531575 1.9605e-09 deg/d
Q 2.628657302499671 1.1866e-08 au
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      6793 days (18.60 yr)  
   first obs. used      2001-09-21  
   last obs. used      2020-04-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54885  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:19:26  

Additional Information
 Earth MOID = .906899 au 
 Jupiter MOID = 2.79128 au 
 T_jup = 3.594 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457352.5 (2015-Nov-26.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1605537894299044 7.4774e-08  
q 1.899982059899013 1.6863e-07 au
tp 2457215.555077963071
(2015-Jul-12.05507796)
6.8035e-05 TDB
node 180.1689918944193 4.5866e-05 deg
peri 218.2207840592937 5.045e-05 deg
i 5.787464039570054 9.2648e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      6793 days (18.60 yr)  
   first obs. used      2001-09-21  
   last obs. used      2020-04-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54885  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:19:26  

Additional Information
 Jupiter MOID = 2.79128 au 
 T_jup = 3.594 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.591156475348384E-15 -1.259260025640456E-14 -2.727253088850221E-12 1.186676642669162E-14 -7.317937009488898E-13 -1.746640825853286E-14
q -1.259260025640456E-14 2.843539914441414E-14 6.206386295640971E-12 -2.758484861392535E-14 1.667241924568318E-12 3.99388235420634E-14
tp -2.727253088850221E-12 6.206386295640971E-12 4.62871109403877E-9 1.754693894826443E-12 1.433935021581905E-9 1.269528179695734E-11
node 1.186676642669162E-14 -2.758484861392535E-14 1.754693894826443E-12 2.103696717466538E-9 -2.091091701286616E-9 7.611678884027799E-11
peri -7.317937009488898E-13 1.667241924568318E-12 1.433935021581905E-9 -2.091091701286616E-9 2.545172395669465E-9 -7.225578014827689E-11
i -1.746640825853286E-14 3.99388235420634E-14 1.269528179695734E-11 7.611678884027799E-11 -7.225578014827689E-11 8.583721352289971E-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 17.89   n/a E2021B25  

357111 (2001 UK129)          Discovered 2001-Oct-20 by LINEAR at Socorro
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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