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18273 (3140 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2018273
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04058369970720831 4.1697e-08  
a 2.20282280329437 6.9865e-09 au
q 2.113424104137281 9.3157e-08 au
i .2516937488431852 3.7194e-06 deg
node 267.4845359902972 0.0010136 deg
peri 46.57737394518809 0.0010147 deg
M 76.47976531062974 4.6557e-05 deg
tp 2458746.805052498517
(2019-Sep-20.30505250)
0.00015451 TDB
period 1194.174442476228
3.27
5.6812e-06
1.555e-08
d
yr
n .3014634941051892 1.4342e-09 deg/d
Q 2.29222150245146 7.27e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1157  
   data-arc span      24803 days (67.91 yr)  
   first obs. used      1951-11-28  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53629  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:47:02  

Additional Information
 Earth MOID = 1.09922 au 
 Jupiter MOID = 2.78679 au 
 T_jup = 3.662 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456451.5 (2013-Jun-08.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04083862803757821 4.1511e-08  
q 2.112830016164444 9.2809e-08 au
tp 2456356.165141455316
(2013-Mar-04.66514146)
0.00015541 TDB
node 267.769470178288 0.0010133 deg
peri 45.78720985834021 0.0010144 deg
i .2515542853827112 3.7231e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1157  
   data-arc span      24803 days (67.91 yr)  
   first obs. used      1951-11-28  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53629  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:47:02  

Additional Information
 Jupiter MOID = 2.78679 au 
 T_jup = 3.662 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.723174962846835E-15 -3.842756748715524E-15 1.419508034200984E-12 4.699624878535148E-15 4.438205144938771E-13 1.654701640885706E-17
q -3.842756748715524E-15 8.613544182261079E-15 -3.26955139900768E-12 -8.644928482387028E-15 -1.022746589498056E-12 -2.696164833911029E-17
tp 1.419508034200984E-12 -3.26955139900768E-12 2.41523021829744E-8 -3.726994733458936E-12 7.312892683384712E-9 1.586197638355964E-13
node 4.699624878535148E-15 -8.644928482387028E-15 -3.726994733458936E-12 1.026775792441058E-6 -1.026766087336863E-6 7.006382523476302E-10
peri 4.438205144938771E-13 -1.022746589498056E-12 7.312892683384712E-9 -1.026766087336863E-6 1.028976962754481E-6 -7.005808230950967E-10
i 1.654701640885706E-17 -2.696164833911029E-17 1.586197638355964E-13 7.006382523476302E-10 -7.005808230950967E-10 1.386175716675651E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO337412  

18273 (3140 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 3140 T-3 = 1992 EJ10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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