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102240 (1999 TN22)
Classification: Main-belt Asteroid          SPK-ID: 2102240
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1627043353899398 3.5878e-08  
a 2.373221423992433 8.7768e-09 au
q 1.987088009468577 8.5512e-08 au
i 3.221418991333588 4.1443e-06 deg
node 48.88307270678753 6.1042e-05 deg
peri 187.4954000259993 6.2422e-05 deg
M 48.80753854893586 1.1295e-05 deg
tp 2459019.453462907162
(2020-Jun-18.95346291)
4.212e-05 TDB
period 1335.382920162496
3.66
7.4079e-06
2.028e-08
d
yr
n .2695855956853136 1.4955e-09 deg/d
Q 2.759354838516288 1.0205e-08 au
  Orbit Determination Parameters
   # obs. used (total)      681  
   data-arc span      9627 days (26.36 yr)  
   first obs. used      1994-02-13  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52821  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:55:57  

Additional Information
 Earth MOID = .974103 au 
 Jupiter MOID = 2.23966 au 
 T_jup = 3.523 
[ 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 16.47   n/a E2021B55  

102240 (1999 TN22)          Discovered 1999-Oct-03 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 TN22 = 1998 HG44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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