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213690 (2002 TH229)
Classification: Main-belt Asteroid          SPK-ID: 2213690
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2048614106828919 4.1949e-08  
a 2.792013674716551 1.4916e-08 au
q 2.220037814668194 1.2183e-07 au
i 13.93741533604177 4.0698e-06 deg
node 185.238186258726 1.7079e-05 deg
peri 195.5758175278139 2.0408e-05 deg
M 342.6920956726316 1.0982e-05 deg
tp 2459282.425051593353
(2021-Mar-08.92505159)
5.2251e-05 TDB
period 1704.020198850476
4.67
1.3656e-05
3.739e-08
d
yr
n .2112651013426098 1.693e-09 deg/d
Q 3.363989534764909 1.7972e-08 au
  Orbit Determination Parameters
   # obs. used (total)      629  
   data-arc span      8435 days (23.09 yr)  
   first obs. used      1997-10-30  
   last obs. used      2020-12-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48968  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:43:42  

Additional Information
 Earth MOID = 1.22345 au 
 Jupiter MOID = 2.10431 au 
 T_jup = 3.255 
[ 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 15.38   n/a E2021B55  

213690 (2002 TH229)          Discovered 2002-Oct-07 by NEAT at Haleakala
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ 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
2032-Sep-14 14:02 00:01 Psych 0.0414323969547055 0.0414311191907966 0.0414336750513049 3.08264277635895 3.08264268162844 2463490.084834198 1.42889777147926 279.434321887507 46.6899262801157 80.9712006839134 130954.128262283 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 23:43:43 2021-Apr-13 23:43
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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