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JPL Small-Body Database Browser
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47202 (1999 TD212)
Classification: Main-belt Asteroid          SPK-ID: 2047202
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09308118692931303 4.3309e-08  
a 2.199537500273454 8.7779e-09 au
q 1.994801939052466 9.517e-08 au
i 5.131502842374441 4.4266e-06 deg
node 231.9064210127054 5.9185e-05 deg
peri 342.6684472295208 6.658e-05 deg
M 286.7118810593182 3.2566e-05 deg
tp 2459243.064118083344
(2021-Jan-28.56411808)
0.00010815 TDB
period 1191.503940504758
3.26
7.1326e-06
1.953e-08
d
yr
n .3021391602343277 1.8087e-09 deg/d
Q 2.404273061494441 9.595e-09 au
  Orbit Determination Parameters
   # obs. used (total)      769  
   data-arc span      7928 days (21.71 yr)  
   first obs. used      1998-04-22  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58744  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 07:17:38  

Additional Information
 Earth MOID = .988286 au 
 Jupiter MOID = 2.56764 au 
 T_jup = 3.655 
[ 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 16.1   n/a MPO432029  

47202 (1999 TD212)          Discovered 1999-Oct-15 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ 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
1927-Mar-11 04:45 < 00:01 Hebe 0.0453206887738858 0.0453139938261782 0.0453273853577981 8.18096758396511 8.18096756719807 2424950.697577999 0.554591635893046 546.190983151581 38.8475767442862 -52.5104732004424 138662.252592933 T 24 CATAB v2.0f-lin.ifort 2020-Jan-29 07:17:54 2020-Jan-29 07:17
1998-Dec-15 11:18 < 00:01 Hebe 0.0479362197974284 0.0479353815780199 0.0479370580252115 7.9162897574765 7.91628974109431 2451162.970860092 0.255072015535035 83.9455010450517 37.6529581954254 76.0142027711286 185925.535926887 T 24 CATAB v2.0f-lin.ifort 2020-Jan-29 07:17:54 2020-Jan-29 07:17
2142-Aug-15 04:57 < 00:01 Iris 0.0300195484843888 0.0300021573450972 0.0300369408252042 6.69017507307008 6.69017504444601 2503635.706342518 0.372614284566905 917.506468103937 47.7264868461368 -19.1065709864467 31137.2729156563 T 24 CATAB v2.0f-lin.ifort 2020-Jan-29 07:17:54 2020-Jan-29 07:17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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