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249635 (1999 TQ120)
Classification: Main-belt Asteroid          SPK-ID: 2249635
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2775972984124991 4.8382e-08  
a 2.386501120149001 7.5379e-09 au
q 1.724014856537235 1.1747e-07 au
i 1.942003107116281 4.1367e-06 deg
node 269.9536451545599 0.00014653 deg
peri 58.76640688778861 0.00014677 deg
M 349.7901580430604 6.4695e-06 deg
tp 2459434.690681598931
(2021-Aug-08.19068160)
2.4189e-05 TDB
period 1346.607071255438
3.69
6.38e-06
1.747e-08
d
yr
n .2673385634789316 1.2666e-09 deg/d
Q 3.048987383760766 9.6304e-09 au
  Orbit Determination Parameters
   # obs. used (total)      323  
   data-arc span      7995 days (21.89 yr)  
   first obs. used      1999-09-18  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54917  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 03:44:31  

Additional Information
 Earth MOID = .713066 au 
 Jupiter MOID = 2.31948 au 
 T_jup = 3.481 
[ 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 17.13   n/a MPO638354  

249635 (1999 TQ120)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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