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102511 (1999 TQ298)
Classification: Main-belt Asteroid          SPK-ID: 2102511
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1227992502016041 5.2792e-08  
a 2.395168111250363 1.0839e-08 au
q 2.101043263082026 1.2297e-07 au
i 1.881790246143545 4.7639e-06 deg
node 222.2076800427954 0.00013888 deg
peri 307.3095321667023 0.00014015 deg
M 37.03949114319165 1.6715e-05 deg
tp 2458861.195566297944
(2020-Jan-12.69556630)
6.2871e-05 TDB
period 1353.949381725193
3.71
9.1904e-06
2.516e-08
d
yr
n .2658888174543796 1.8048e-09 deg/d
Q 2.6892929594187 1.217e-08 au
  Orbit Determination Parameters
   # obs. used (total)      467  
   data-arc span      8027 days (21.98 yr)  
   first obs. used      1998-06-20  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5705  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:54:20  

Additional Information
 Earth MOID = 1.1077 au 
 Jupiter MOID = 2.28281 au 
 T_jup = 3.518 
[ 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 16.83   n/a E2021B55  

102511 (1999 TQ298)          Discovered 1999-Oct-02 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 TQ298 = 2003 SN31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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