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129985 Jimfreemantle (1999 UP51)
Classification: Main-belt Asteroid          SPK-ID: 2129985
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09290449837848244 4.5e-08  
a 2.656715542468477 1.9489e-08 au
q 2.409894717661125 1.2622e-07 au
i 10.07895980539092 4.5946e-06 deg
node 85.44262821423715 2.9238e-05 deg
peri 336.1075749947508 4.1506e-05 deg
M 302.8407512193941 3.1484e-05 deg
tp 2459451.630824938338
(2021-Aug-25.13082494)
0.00013967 TDB
period 1581.670489141848
4.33
1.7404e-05
4.765e-08
d
yr
n .2276074583621534 2.5045e-09 deg/d
Q 2.903536367275828 2.13e-08 au
  Orbit Determination Parameters
   # obs. used (total)      565  
   data-arc span      7752 days (21.22 yr)  
   first obs. used      1999-10-19  
   last obs. used      2021-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56607  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:39:26  

Additional Information
 Earth MOID = 1.42647 au 
 Jupiter MOID = 2.36838 au 
 T_jup = 3.360 
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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 15.40   n/a E2021B55  

129985 Jimfreemantle           Discovered 1999 Oct. 31 by the Catalina Sky Survey.
Jim Freemantle (b. 1958) is the Project Manager for the OLA Science Team on the OSIRIS-REx Asteroid Sample Return Mission. He was also the Project Manager for the Canadian MET Sensor on board the Phoenix Mars Lander. He has had a long career using remote sensing to monitor environmental change.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2016-11-14Last Updated: 2016-11-20

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