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102222 (1999 TA12)
Classification: Main-belt Asteroid          SPK-ID: 2102222
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2307725870590445 3.7907e-08  
a 2.335138574165791 8.2888e-09 au
q 1.796252604264183 8.7386e-08 au
i 1.895912590422457 4.5252e-06 deg
node 207.9995769516167 0.00011467 deg
peri 130.6592738167304 0.00011504 deg
M 2.139050541338208 1.1745e-05 deg
tp 2459192.755632400841
(2020-Dec-09.25563240)
4.2495e-05 TDB
period 1303.369079794161
3.57
6.9397e-06
1.9e-08
d
yr
n .2762072582363656 1.4706e-09 deg/d
Q 2.874024544067399 1.0202e-08 au
  Orbit Determination Parameters
   # obs. used (total)      793  
   data-arc span      7646 days (20.93 yr)  
   first obs. used      1999-08-13  
   last obs. used      2020-07-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5489  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:56:03  

Additional Information
 Earth MOID = .786207 au 
 Jupiter MOID = 2.52578 au 
 T_jup = 3.531 
[ 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 16.22   n/a E2021B55  

102222 (1999 TA12)          Discovered 1999-Oct-08 by Crni Vrh at Crni Vrh
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 TA12 = 1999 RT256 = 2002 JX101 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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