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19880 (2247 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2019880
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1038589725732247 4.9676e-08  
a 3.010666541878626 1.5565e-08 au
q 2.697981808078528 1.4728e-07 au
i 2.633028361105654 4.0291e-06 deg
node 44.63018933291818 0.00010057 deg
peri 119.1439248358748 0.00010182 deg
M 197.2266504714382 1.7993e-05 deg
tp 2460063.226644113605
(2023-Apr-28.72664411)
9.9053e-05 TDB
period 1908.061686881981
5.22
1.4797e-05
4.051e-08
d
yr
n .1886731453574158 1.4632e-09 deg/d
Q 3.323351275678723 1.7182e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1193  
   data-arc span      18158 days (49.71 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-12-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51974  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:08:25  

Additional Information
 Earth MOID = 1.70652 au 
 Jupiter MOID = 1.64939 au 
 T_jup = 3.240 
[ 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 14.39   n/a E2021B10  

19880 (2247 T-1)          Discovered 1971-Mar-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2247 T-1 = 2000 UZ40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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