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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1810400104652391 4.0555e-08  
a 2.33474580365599 9.8797e-09 au
q 1.912063398928437 9.2788e-08 au
i 2.747813279077996 4.2882e-06 deg
node 130.4491284072574 8.8707e-05 deg
peri 234.5506437054284 8.9477e-05 deg
M 337.6772486496825 1.2233e-05 deg
tp 2459281.298454380212
(2021-Mar-07.79845438)
4.4499e-05 TDB
period 1303.040253434646
3.57
8.2709e-06
2.264e-08
d
yr
n .2762769600179936 1.7536e-09 deg/d
Q 2.757428208383544 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54537  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:36:57  

Additional Information
 Earth MOID = .910014 au 
 Jupiter MOID = 2.70177 au 
 T_jup = 3.545 
[ 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 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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