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129982 Jeffseabrook (1999 UJ45)
Classification: Main-belt Asteroid          SPK-ID: 2129982
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1335255799574424 5.3197e-08  
a 2.536736959416147 1.3733e-08 au
q 2.198017685710627 1.3747e-07 au
i 14.38331632674325 4.4845e-06 deg
node 245.2793604027706 2.195e-05 deg
peri 146.1387765181927 2.8088e-05 deg
M 28.93140122838367 1.9084e-05 deg
tp 2458881.901676728666
(2020-Feb-02.40167673)
7.7957e-05 TDB
period 1475.745887336871
4.04
1.1984e-05
3.281e-08
d
yr
n .2439444372429563 1.9809e-09 deg/d
Q 2.875456233121667 1.5567e-08 au
  Orbit Determination Parameters
   # obs. used (total)      617  
   data-arc span      7378 days (20.20 yr)  
   first obs. used      1999-09-13  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50685  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 11:53:08  

Additional Information
 Earth MOID = 1.21943 au 
 Jupiter MOID = 2.54992 au 
 T_jup = 3.392 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO449743  

129982 Jeffseabrook           Discovered 1999 Oct. 31 by the Catalina Sky Survey.
Jeff Seabrook (b. 1976) is part of the altimetry team developing the capability to generate topography and shape models from the OSIRIS-REx Laser Altimeter. Prior to this, he was a graduate student who developed and deployed atmospheric ozone lidars, and part of the MET team on the Phoenix Mars Mission.
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 2017-03-12Last Updated: 2017-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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