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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .189738501119959 3.0544e-08  
a 2.383205258401283 6.846e-09 au
q 1.931019464811019 7.4307e-08 au
i 2.303499258696787 4.5264e-06 deg
node 14.09942902364775 7.8141e-05 deg
peri 257.1643844267876 7.9092e-05 deg
M 69.48127956736809 1.1713e-05 deg
tp 2458741.138262687406
(2019-Sep-14.63826269)		 4.3552e-05 TDB
period 1343.818450292116
3.68		 5.7904e-06
1.585e-08		 d
yr
n .2678933303243039 1.1543e-09 deg/d
Q 2.835391051991548 8.1449e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1633  
   data-arc span      18115 days (49.60 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51709  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:22:06  

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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