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385211 (1999 TG212)
Classification: Main-belt Asteroid          SPK-ID: 2385211
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2645863195901513 9.5234e-08  
a 2.740506028064845 2.5448e-08 au
q 2.015405624284544 2.7102e-07 au
i 3.4332312781793 1.4535e-05 deg
node 341.225177756886 0.00012726 deg
peri 69.52218271018451 0.00013843 deg
M 268.6954881082593 4.0489e-05 deg
tp 2459816.775726676056
(2022-Aug-25.27572668)
0.00019036 TDB
period 1657.084173263802
4.54
2.3082e-05
6.32e-08
d
yr
n .2172490726834606 3.0261e-09 deg/d
Q 3.465606431845146 3.2182e-08 au
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      7081 days (19.39 yr)  
   first obs. used      1999-10-10  
   last obs. used      2019-02-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59211  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:04:32  

Additional Information
 Earth MOID = 1.02859 au 
 Jupiter MOID = 1.95072 au 
 T_jup = 3.296 
[ 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 17.3   n/a MPO427920  

385211 (1999 TG212)          Discovered 1999-Oct-15 by LINEAR at Socorro
Reference: Last Updated: 2014-02-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1911-Jun-10 01:03 00:05 Jupiter 1.97867237195124 1.97867049341644 1.97867425048435 1.21433364717115 0.786418365738787 2419197.544046510 4.71270699603338 1357.08390718534 472.109416605768 -17.3371116551539 501201.339643426 T 11 CATAB v2.0f-lin.ifort 2021-Apr-14 11:04:33 2021-Apr-14 11:04
2006-Dec-25 19:05 00:01 Jupiter 1.94509756362275 1.94509677120737 1.94509835603559 1.17329438118051 0.711118195077756 2454095.294866552 1.21580968346342 814.065572784893 324.846265625441 -1.97497574840786 910094.842515648 T 11 CATAB v2.0f-lin.ifort 2021-Apr-14 11:04:33 2021-Apr-14 11:04
2065-Aug-23 22:04 00:02 Jupiter 1.99335265483496 1.99335142202006 1.99335388764884 1.24690952822117 0.839604815881302 2475521.419631751 1.82017246094351 765.793816137167 375.679526504418 -23.4951825529384 707799.232327893 T 11 CATAB v2.0f-lin.ifort 2021-Apr-14 11:04:33 2021-Apr-14 11:04
2102-Jul-13 16:52 00:03 Jupiter 1.9833964070084 1.98339499814694 1.9833978158658 1.55904729149941 1.25559359354678 2488993.202552657 3.17997422943815 311.768172406001 141.927265445238 34.8104180993238 666411.45264886 T 11 CATAB v2.0f-lin.ifort 2021-Apr-14 11:04:33 2021-Apr-14 11:04
2161-Mar-11 05:18 00:05 Jupiter 1.93823223949789 1.93823145830606 1.93823302068927 1.15608677131586 0.680089054172162 2510418.721092277 5.45549640364668 1293.89302481098 377.24024725144 -7.6869205962814 731983.307497383 T 11 CATAB v2.0f-lin.ifort 2021-Apr-14 11:04:33 2021-Apr-14 11:04

Alternate Designations
 1999 TG212 = 2008 SF159 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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