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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0405437487282255 3.8762e-08  
a 2.203229698388545 6.4728e-09 au
q 2.113902507106516 8.5788e-08 au
i .251643242261223 3.7087e-06 deg
node 267.4918347575466 0.0009285 deg
peri 46.82314386657487 0.00092954 deg
M 136.5088367453758 4.4285e-05 deg
tp 2458747.554074307986
(2019-Sep-21.05407431)
0.00014682 TDB
period 1194.505331206324
3.27
5.2639e-06
1.441e-08
d
yr
n .3013799860034431 1.3281e-09 deg/d
Q 2.292556889670574 6.7352e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1259  
   data-arc span      25313 days (69.30 yr)  
   first obs. used      1951-11-28  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52607  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:42:18  

Additional Information
 Earth MOID = 1.09774 au 
 Jupiter MOID = 2.78561 au 
 T_jup = 3.662 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456663.5 (2014-Jan-06.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04074943407254687 3.8619e-08  
q 2.113098323338571 8.5458e-08 au
tp 2456356.463100596986
(2013-Mar-04.96310060)
0.00014645 TDB
node 267.7677570129476 0.00092807 deg
peri 45.89441478459218 0.00092911 deg
i .2515439130188158 3.7121e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1259  
   data-arc span      25313 days (69.30 yr)  
   first obs. used      1951-11-28  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52607  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:42:18  

Additional Information
 Jupiter MOID = 2.78561 au 
 T_jup = 3.662 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.491413840269401E-15 -3.291516615987223E-15 6.20686558526282E-13 4.519652942454546E-15 1.904673008607807E-13 1.718325207264413E-17
q -3.291516615987223E-15 7.303024720874485E-15 -1.379906071657823E-12 -8.492549413833976E-15 -4.228886830081696E-13 -2.863118002229154E-17
tp 6.20686558526282E-13 -1.379906071657823E-12 2.144782268385397E-8 -5.966320720714365E-12 6.455931363031059E-9 1.499597869773854E-13
node 4.519652942454546E-15 -8.492549413833976E-15 -5.966320720714365E-12 8.613151883644097E-7 -8.613078852467403E-7 6.259808314992658E-10
peri 1.904673008607807E-13 -4.228886830081696E-13 6.455931363031059E-9 -8.613078852467403E-7 8.632481929915493E-7 -6.259268303378308E-10
i 1.718325207264413E-17 -2.863118002229154E-17 1.499597869773854E-13 6.259808314992658E-10 -6.259268303378308E-10 1.377986860304642E-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 15.62   n/a MPCxxxxx  

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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