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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09297447059904734 5.3811e-08  
a 2.658413099229343 2.2815e-08 au
q 2.411248548694922 1.4377e-07 au
i 10.08018033386819 5.4932e-06 deg
node 85.45552876753567 3.7269e-05 deg
peri 335.7064150919687 5.1353e-05 deg
M 257.7338074307165 3.5338e-05 deg
tp 2459450.240207240658
(2021-Aug-23.74020724)
0.0001569 TDB
period 1583.186687007519
4.33
2.0381e-05
5.58e-08
d
yr
n .2273894815781067 2.9273e-09 deg/d
Q 2.905577649763764 2.4936e-08 au
  Orbit Determination Parameters
   # obs. used (total)      481  
   data-arc span      7142 days (19.55 yr)  
   first obs. used      1999-10-19  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60012  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:07:08  

Additional Information
 Earth MOID = 1.42848 au 
 Jupiter MOID = 2.36765 au 
 T_jup = 3.359 
[ show covariance matrix ]

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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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