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102498 (1999 TQ280)
Classification: Main-belt Asteroid          SPK-ID: 2102498
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1810400089275562 4.0555e-08  
a 2.334745808002769 9.8797e-09 au
q 1.912063406078373 9.2788e-08 au
i 2.747813212078826 4.2882e-06 deg
node 130.449127032096 8.8707e-05 deg
peri 234.550644694294 8.9477e-05 deg
M 337.6772479796698 1.2233e-05 deg
tp 2459281.298457031004
(2021-Mar-07.79845703)
4.4499e-05 TDB
period 1303.040257073604
3.57
8.2709e-06
2.264e-08
d
yr
n .276276959246444 1.7536e-09 deg/d
Q 2.757428209927165 1.1668e-08 au
  Orbit Determination Parameters
   # obs. used (total)      645  
   data-arc span      7172 days (19.64 yr)  
   first obs. used      1999-08-22  
   last obs. used      2019-04-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54532  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:42:16  

Additional Information
 Earth MOID = .910014 au 
 Jupiter MOID = 2.70177 au 
 T_jup = 3.545 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456801.5 (2014-May-24.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .180147705933869 4.026e-08  
q 1.913894781470627 9.2019e-08 au
tp 2456675.347084080390
(2014-Jan-17.84708408)
4.099e-05 TDB
node 130.4770525985775 8.8738e-05 deg
peri 234.5574504004694 8.9528e-05 deg
i 2.746285828340602 4.2882e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      645  
   data-arc span      7172 days (19.64 yr)  
   first obs. used      1999-08-22  
   last obs. used      2019-04-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54532  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:42:16  

Additional Information
 Jupiter MOID = 2.70177 au 
 T_jup = 3.545 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.620837568696712E-15 -3.691653603134233E-15 -6.383622014485776E-15 -1.035618659998247E-15 -3.827979543699482E-14 -1.590079874888695E-15
q -3.691653603134233E-15 8.467453345047353E-15 3.556913125475738E-14 3.406077040697727E-15 9.240841099735754E-14 3.646946943354138E-15
tp -6.383622014485776E-15 3.556913125475738E-14 1.680215880316953E-9 1.47096761470841E-12 5.011573436910319E-10 -1.398065083948217E-12
node -1.035618659998247E-15 3.406077040697727E-15 1.47096761470841E-12 7.874354347122627E-9 -7.864428983004907E-9 2.457369581272113E-11
peri -3.827979543699482E-14 9.240841099735754E-14 5.011573436910319E-10 -7.864428983004907E-9 8.015186159591561E-9 -2.490058470393179E-11
i -1.590079874888695E-15 3.646946943354138E-15 -1.398065083948217E-12 2.457369581272113E-11 -2.490058470393179E-11 1.838832358810578E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO432551  

102498 (1999 TQ280)          Discovered 1999-Oct-08 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 TQ280 = 2001 DB57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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