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249648 (1999 TU252)
Classification: Main-belt Asteroid          SPK-ID: 2249648
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .183477700414895 3.7378e-08  
a 2.398805767427133 1.715e-08 au
q 1.958678401477616 9.2496e-08 au
i 1.538122581235735 6.0271e-06 deg
node 30.36050007837297 0.00016035 deg
peri 269.3188037602477 0.0001613 deg
M 254.0803683056921 2.0413e-05 deg
tp 2459399.768469085732
(2021-Jul-04.26846909)
7.9448e-05 TDB
period 1357.035013921674
3.72
1.4553e-05
3.984e-08
d
yr
n .2652842382892109 2.8449e-09 deg/d
Q 2.838933133376651 2.0296e-08 au
  Orbit Determination Parameters
   # obs. used (total)      261  
   data-arc span      7420 days (20.31 yr)  
   first obs. used      1999-10-09  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61761  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:25:56  

Additional Information
 Earth MOID = .943782 au 
 Jupiter MOID = 2.37753 au 
 T_jup = 3.504 
[ 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 17.2   n/a MPO470663  

249648 (1999 TU252)          Discovered 1999-Oct-09 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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