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187744 (4085 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2187744
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1876465834221566 3.5042e-08  
a 2.311450008166033 1.025e-08 au
q 1.877714311382561 7.9344e-08 au
i 4.025041021763185 4.1811e-06 deg
node 81.35766831592433 6.5928e-05 deg
peri 215.7183472472454 6.7151e-05 deg
M 165.7287130965786 1.3798e-05 deg
tp 2458609.591221856353
(2019-May-06.09122186)
4.7793e-05 TDB
period 1283.586628756031
3.51
8.538e-06
2.338e-08
d
yr
n .2804641244579562 1.8655e-09 deg/d
Q 2.745185704949504 1.2173e-08 au
  Orbit Determination Parameters
   # obs. used (total)      372  
   data-arc span      15828 days (43.33 yr)  
   first obs. used      1977-10-11  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58339  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:56:39  

Additional Information
 Earth MOID = .861612 au 
 Jupiter MOID = 2.45741 au 
 T_jup = 3.557 
[ show covariance matrix ]

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 17.0   n/a MPO436929  

187744 (4085 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 4085 T-3 = 2001 KG5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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