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181698 (5684 T-3)
Classification: Mars-crossing Asteroid          SPK-ID: 2181698
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2374287276257609 4.5722e-08  
a 2.175440843614224 1.3552e-08 au
q 1.658928692089787 1.0378e-07 au
i 5.234136461439325 4.9081e-06 deg
node 107.6041793758458 6.816e-05 deg
peri 218.5497244701101 7.0076e-05 deg
M 198.94459084271 2.3116e-05 deg
tp 2459724.814850550207
(2022-May-25.31485055)
7.8743e-05 TDB
period 1171.977688832136
3.21
1.0951e-05
2.998e-08
d
yr
n .3071730830974577 2.8703e-09 deg/d
Q 2.691952995138661 1.677e-08 au
  Orbit Determination Parameters
   # obs. used (total)      304  
   data-arc span      15892 days (43.51 yr)  
   first obs. used      1977-10-11  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58637  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:44  

Additional Information
 Earth MOID = .648866 au 
 Jupiter MOID = 2.65137 au 
 T_jup = 3.643 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.11   n/a MPCxxxxx  

181698 (5684 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 5684 T-3 = 2006 UM182 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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