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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 ]

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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09289513984711407 4.4889e-08  
a 2.656409856478761 1.928e-08 au
q 2.409642291369914 1.2588e-07 au
i 10.07905380119 4.5599e-06 deg
node 85.43992108038542 2.8997e-05 deg
peri 336.2131323737257 4.1164e-05 deg
M 347.3658849038546 3.1572e-05 deg
tp 2459451.998772743109
(2021-Aug-25.49877274)
0.00013899 TDB
period 1581.397512645324
4.33
1.7216e-05
4.713e-08
d
yr
n .2276467473366646 2.4784e-09 deg/d
Q 2.903177421587607 2.1071e-08 au
  Orbit Determination Parameters
   # obs. used (total)      574  
   data-arc span      7752 days (21.22 yr)  
   first obs. used      1999-10-19  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5691  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:51:11  

Additional Information
 Earth MOID = 1.4265 au 
 Jupiter MOID = 2.36882 au 
 T_jup = 3.360 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457615.5 (2016-Aug-15.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09491829793728057 4.5515e-08  
q 2.404956166638027 1.2807e-07 au
tp 2457863.296098318254
(2017-Apr-19.79609832)
0.00012632 TDB
node 85.47821836397223 2.8982e-05 deg
peri 334.8316267299869 4.0446e-05 deg
i 10.08250711026333 4.5622e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      574  
   data-arc span      7752 days (21.22 yr)  
   first obs. used      1999-10-19  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5691  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:51:11  

Additional Information
 Jupiter MOID = 2.36882 au 
 T_jup = 3.360 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.071652848301446E-15 -5.779748007984903E-15 -1.760757995704012E-12 1.272497516444349E-15 -3.672709475153886E-13 -3.782636083019653E-15
q -5.779748007984903E-15 1.640314276809176E-14 5.614512399246093E-12 -4.560562812027001E-15 1.17089870703389E-12 1.162909825703133E-14
tp -1.760757995704012E-12 5.614512399246093E-12 1.595770352780826E-8 -1.655126136591828E-11 3.593872618439864E-9 1.164792858953107E-11
node 1.272497516444349E-15 -4.560562812027001E-15 -1.655126136591828E-11 8.399604800471635E-10 -8.30277123216821E-10 -1.052430585413422E-11
peri -3.672709475153886E-13 1.17089870703389E-12 3.593872618439864E-9 -8.30277123216821E-10 1.635890734681963E-9 1.292871643381407E-11
i -3.782636083019653E-15 1.162909825703133E-14 1.164792858953107E-11 -1.052430585413422E-11 1.292871643381407E-11 2.081359925025936E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.41   n/a MPCxxxxx  

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
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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