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JPL Small-Body Database Browser
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91651 (1999 TU100)
Classification: Main-belt Asteroid          SPK-ID: 2091651
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03651827177581774 4.1847e-08  
a 3.16541862109741 2.6795e-08 au
q 3.049823003607941 1.3758e-07 au
i 21.50354117799454 5.0939e-06 deg
node 181.0010037969641 1.0033e-05 deg
peri 155.71326430 6.0403e-05 deg
M 282.7227635638301 6.1038e-05 deg
tp 2459442.064588804866
(2021-Aug-15.56458880)
0.00034971 TDB
period 2057.051459145458
5.63
2.6119e-05
7.151e-08
d
yr
n .1750077755223253 2.2221e-09 deg/d
Q 3.281014238586879 2.7773e-08 au
  Orbit Determination Parameters
   # obs. used (total)      857  
   data-arc span      7161 days (19.61 yr)  
   first obs. used      1999-10-02  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55681  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:04:23  

Additional Information
 Earth MOID = 2.05084 au 
 Jupiter MOID = 1.89202 au 
 T_jup = 3.094 
[ 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 13.9   n/a MPO432454  

91651 (1999 TU100)          Discovered 1999-Oct-02 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

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