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JPL Small-Body Database Browser
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212999 (4330 T-3)
Classification: Outer Main-belt Asteroid          SPK-ID: 2212999
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1645102544433259 4.8869e-08  
a 3.218500914026039 2.7905e-08 au
q 2.689024509733538 1.5752e-07 au
i 5.473526129094992 5.6453e-06 deg
node 152.4446836953851 5.7667e-05 deg
peri 226.8369080259532 6.0821e-05 deg
M 57.37700063388873 1.785e-05 deg
tp 2458264.364622665155
(2018-May-25.86462267)		 0.00010349 TDB
period 2109.011180502044
5.77		 2.7429e-05
7.51e-08		 d
yr
n .1706961078861152 2.22e-09 deg/d
Q 3.747977318318539 3.2496e-08 au
   Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      15096 days (41.33 yr)  
   first obs. used      1977-10-11  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63295  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:31:15  

Additional Information
 Earth MOID = 1.69398 au 
 Jupiter MOID = 1.72335 au 
 T_jup = 3.161 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456936.5 (2014-Oct-06.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1629830691875285 4.875e-08  
q 2.694762018462878 1.5694e-07 au
tp 2456158.327988176706
(2012-Aug-18.82798818)		 0.00010281 TDB
node 152.4523919761515 5.765e-05 deg
peri 227.2229390318149 6.0866e-05 deg
i 5.472772875430548 5.6454e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      15096 days (41.33 yr)  
   first obs. used      1977-10-11  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63295  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:31:15  

Additional Information
 Jupiter MOID = 1.72335 au 
 T_jup = 3.161 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.376543608653219E-15 -7.566309253162734E-15 -3.50575254059155E-13 6.915245290515284E-15 -1.193591199166514E-13 -4.888860853763168E-15
q -7.566309253162734E-15 2.463140108768098E-14 8.973081186434342E-13 -1.746597722611517E-14 3.753301678595246E-13 1.604393094619664E-14
tp -3.50575254059155E-13 8.973081186434342E-13 1.056917103247055E-8 1.973146553122417E-11 2.039801062021115E-9 -4.107782177203391E-12
node 6.915245290515284E-15 -1.746597722611517E-14 1.973146553122417E-11 3.323575035709597E-9 -3.303228985521279E-9 -7.813848983343508E-13
peri -1.193591199166514E-13 3.753301678595246E-13 2.039801062021115E-9 -3.303228985521279E-9 3.704703973192166E-9 1.342999714779414E-13
i -4.888860853763168E-15 1.604393094619664E-14 -4.107782177203391E-12 -7.813848983343508E-13 1.342999714779414E-13 3.187076227080692E-11

[ 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 15.3   n/a MPO427253  

212999 (4330 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 4330 T-3 = 1997 CM15 = 2003 GZ11 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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