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43709 (2284 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2043709
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1527687053435888 3.2653e-08  
a 2.202878192867391 7.1965e-09 au
q 1.866347343313415 7.3965e-08 au
i 3.013488907799312 4.1551e-06 deg
node 186.2026786068697 6.8586e-05 deg
peri 78.85867506312219 7.0084e-05 deg
M 246.6810856957372 1.5493e-05 deg
tp 2459576.410153706312
(2021-Dec-27.91015371)
5.2298e-05 TDB
period 1194.219483703452
3.27
5.8521e-06
1.602e-08
d
yr
n .3014521240966414 1.4772e-09 deg/d
Q 2.539409042421366 8.2959e-09 au
  Orbit Determination Parameters
   # obs. used (total)      954  
   data-arc span      17340 days (47.47 yr)  
   first obs. used      1973-09-29  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53585  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:26:34  

Additional Information
 Earth MOID = .851765 au 
 Jupiter MOID = 2.53025 au 
 T_jup = 3.646 
[ 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 15.97   n/a MPCxxxxx  

43709 (2284 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2284 T-2 = 1996 VW38 = 1999 RD164 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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