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102518 (1999 TB312)
Classification: Main-belt Asteroid          SPK-ID: 2102518
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1007327741248794 5.4413e-08  
a 2.564736294096642 1.4612e-08 au
q 2.306383292293524 1.4419e-07 au
i 1.110123573421253 3.8243e-06 deg
node 342.09931058 0.00027471 deg
peri 95.56212896863778 0.00027552 deg
M 350.0885838345343 1.9675e-05 deg
tp 2459241.804342611644
(2021-Jan-27.30434261)
8.1897e-05 TDB
period 1500.246089151404
4.11
1.2821e-05
3.51e-08
d
yr
n .2399606321944353 2.0507e-09 deg/d
Q 2.823089295899759 1.6084e-08 au
  Orbit Determination Parameters
   # obs. used (total)      316  
   data-arc span      9221 days (25.25 yr)  
   first obs. used      1995-10-15  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56382  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:31:39  

Additional Information
 Earth MOID = 1.32166 au 
 Jupiter MOID = 2.37306 au 
 T_jup = 3.426 
[ 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 16.7   n/a MPO449619  

102518 (1999 TB312)          Discovered 1999-Oct-08 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 TB312 = 1997 CJ21 = 2001 DX13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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