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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1527232368064309 3.2523e-08  
a 2.202581151058718 7.1759e-09 au
q 1.866195828340196 7.3717e-08 au
i 3.013838642243913 4.1535e-06 deg
node 186.1995391563693 6.7937e-05 deg
peri 78.91058572579789 6.9456e-05 deg
M 305.7162671136477 1.562e-05 deg
tp 2459576.537721678491
(2021-Dec-28.03772168)
5.2241e-05 TDB
period 1193.977944367786
3.27
5.8349e-06
1.598e-08
d
yr
n .301513107254775 1.4735e-09 deg/d
Q 2.53896647377724 8.2718e-09 au
  Orbit Determination Parameters
   # obs. used (total)      963  
   data-arc span      17443 days (47.76 yr)  
   first obs. used      1973-09-29  
   last obs. used      2021-07-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53837  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:06:17  

Additional Information
 Earth MOID = .853331 au 
 Jupiter MOID = 2.52963 au 
 T_jup = 3.647 
[ 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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