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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09297452475833834 4.5205e-08  
a 2.658413106655016 1.9768e-08 au
q 2.411248411452428 1.2668e-07 au
i 10.08017417494184 4.629e-06 deg
node 85.45556050685721 2.9222e-05 deg
peri 335.706354862918 4.1458e-05 deg
M 257.7338353035907 3.121e-05 deg
tp 2459450.240086547352
(2021-Aug-23.74008655)
0.00013968 TDB
period 1583.186693640928
4.33
1.7659e-05
4.835e-08
d
yr
n .2273894806253654 2.5363e-09 deg/d
Q 2.905577801857604 2.1606e-08 au
  Orbit Determination Parameters
   # obs. used (total)      562  
   data-arc span      7635 days (20.90 yr)  
   first obs. used      1999-10-19  
   last obs. used      2020-09-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56663  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:44:49  

Additional Information
 Earth MOID = 1.42848 au 
 Jupiter MOID = 2.36765 au 
 T_jup = 3.359 
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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 15.3   n/a MPO436630  

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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