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24723 (1991 TW8)
Classification: Main-belt Asteroid          SPK-ID: 2024723
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1937799781332374 3.2488e-08  
a 2.383042546825046 8.3642e-09 au
q 1.921256614210714 7.5319e-08 au
i 5.291623199779972 3.9546e-06 deg
node 20.83818709161709 3.7807e-05 deg
peri 212.9812446629125 3.9349e-05 deg
M 161.3491280354884 1.1862e-05 deg
tp 2458794.272971302906
(2019-Nov-06.77297130)
4.2758e-05 TDB
period 1343.680830325087
3.68
7.0742e-06
1.937e-08
d
yr
n .2679207679943626 1.4106e-09 deg/d
Q 2.844828479439378 9.985e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1015  
   data-arc span      10662 days (29.19 yr)  
   first obs. used      1991-10-01  
   last obs. used      2020-12-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56383  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:17:53  

Additional Information
 Earth MOID = .913447 au 
 Jupiter MOID = 2.1595 au 
 T_jup = 3.506 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457478.5 (2016-Mar-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1931237504758595 3.256e-08  
q 1.923410443055817 7.5463e-08 au
tp 2457449.514672981461
(2016-Mar-02.01467298)
4.0232e-05 TDB
node 20.89168265184315 3.78e-05 deg
peri 212.9546874054894 3.9346e-05 deg
i 5.291685612405972 3.9539e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1015  
   data-arc span      10662 days (29.19 yr)  
   first obs. used      1991-10-01  
   last obs. used      2020-12-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56383  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:17:53  

Additional Information
 Jupiter MOID = 2.1595 au 
 T_jup = 3.506 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.060167876330339E-15 -2.448412541256361E-15 -6.929014417079603E-14 4.104588685909886E-15 -5.585570033995948E-14 -3.595076769307139E-16
q -2.448412541256361E-15 5.694636280706288E-15 2.45950471042583E-13 -9.161586857241076E-15 1.509516780180415E-13 6.638693969556126E-16
tp -6.929014417079603E-14 2.45950471042583E-13 1.618582591091105E-9 -4.254929111752504E-12 4.479050040077607E-10 -1.470960012609449E-12
node 4.104588685909886E-15 -9.161586857241076E-15 -4.254929111752504E-12 1.428840556430538E-9 -1.423677017398629E-9 -3.395405997927858E-11
peri -5.585570033995948E-14 1.509516780180415E-13 4.479050040077607E-10 -1.423677017398629E-9 1.548079137466634E-9 3.345031337256319E-11
i -3.595076769307139E-16 6.638693969556126E-16 -1.470960012609449E-12 -3.395405997927858E-11 3.345031337256319E-11 1.563302375557518E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.46   n/a E2021B10  

24723 (1991 TW8)          Discovered 1991-Oct-01 by Spacewatch at Kitt Peak
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 TW8 = 1995 UD5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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