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27640 (3273 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2027640
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1897385198409327 3.4714e-08  
a 2.383205258389752 8.5925e-09 au
q 1.931019420185753 8.5271e-08 au
i 2.303497086674703 5.0642e-06 deg
node 14.09945747442001 9.2862e-05 deg
peri 257.1643438975199 9.387e-05 deg
M 69.48128843916082 1.3472e-05 deg
tp 2458741.138229572403
(2019-Sep-14.63822957)
5.0112e-05 TDB
period 1343.818450282363
3.68
7.2676e-06
1.99e-08
d
yr
n .2678933303262482 1.4488e-09 deg/d
Q 2.835391096593751 1.0223e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1353  
   data-arc span      17580 days (48.13 yr)  
   first obs. used      1971-03-24  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53268  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:28:31  

Additional Information
 Earth MOID = .91646 au 
 Jupiter MOID = 2.27407 au 
 T_jup = 3.511 
[ 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 14.9   n/a MPO493034  

27640 (3273 T-1)          Discovered 1971-Mar-26 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 3273 T-1 = 1999 AQ20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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