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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1647882472986485 4.7155e-08  
a 3.217564214860713 2.6749e-08 au
q 2.687347447322964 1.4998e-07 au
i 5.474834648071591 5.5847e-06 deg
node 152.4385882059819 4.7455e-05 deg
peri 226.7439757494105 5.0548e-05 deg
M 125.7448753709668 1.7133e-05 deg
tp 2458264.162267870190
(2018-May-25.66226787)
9.6599e-05 TDB
period 2108.090550686062
5.77
2.6288e-05
7.197e-08
d
yr
n .170770653036152 2.1295e-09 deg/d
Q 3.747780982398461 3.1157e-08 au
  Orbit Determination Parameters
   # obs. used (total)      405  
   data-arc span      15529 days (42.52 yr)  
   first obs. used      1977-10-11  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60922  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 08:52:24  

Additional Information
 Earth MOID = 1.69304 au 
 Jupiter MOID = 1.72667 au 
 T_jup = 3.161 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457410.5 (2016-Jan-23.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1638846695959887 4.7021e-08  
q 2.689519301358029 1.4917e-07 au
tp 2458265.411873498189
(2018-May-26.91187350)
9.7239e-05 TDB
node 152.4582729109707 4.7465e-05 deg
peri 227.0232931665518 5.061e-05 deg
i 5.47413568737749 5.5841e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      405  
   data-arc span      15529 days (42.52 yr)  
   first obs. used      1977-10-11  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60922  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 08:52:24  

Additional Information
 Jupiter MOID = 1.72667 au 
 T_jup = 3.161 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.211018537434166E-15 -6.938012355835919E-15 -7.719750833274977E-13 1.120473176968986E-14 -2.559646449499728E-13 -3.926801075927641E-15
q -6.938012355835919E-15 2.225113170151878E-14 3.247781326274654E-12 -3.089559442160694E-14 9.022317552856638E-13 1.236377127319841E-14
tp -7.719750833274977E-13 3.247781326274654E-12 9.455438166457173E-9 6.544428691371952E-12 1.701230667881664E-9 -2.619323989806223E-12
node 1.120473176968986E-14 -3.089559442160694E-14 6.544428691371952E-12 2.252888072610991E-9 -2.241612843689652E-9 -2.462813338045478E-11
peri -2.559646449499728E-13 9.022317552856638E-13 1.701230667881664E-9 -2.241612843689652E-9 2.561377624729386E-9 2.422177389777298E-11
i -3.926801075927641E-15 1.236377127319841E-14 -2.619323989806223E-12 -2.462813338045478E-11 2.422177389777298E-11 3.118255746294362E-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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