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24891 (1997 AT2)
Classification: Main-belt Asteroid          SPK-ID: 2024891
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1715295132362808 3.0887e-08  
a 2.14999261158237 7.5069e-09 au
q 1.781205425456046 6.7661e-08 au
i 4.490634539050774 3.5288e-06 deg
node 17.64374691953697 4.4564e-05 deg
peri 345.3210144023622 4.7283e-05 deg
M 307.1305938861955 1.9408e-05 deg
tp 2459369.604751000283
(2021-Jun-04.10475100)
6.2757e-05 TDB
period 1151.473315759568
3.15
6.0307e-06
1.651e-08
d
yr
n .312642937593848 1.6374e-09 deg/d
Q 2.518779797708695 8.7946e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1306  
   data-arc span      20375 days (55.78 yr)  
   first obs. used      1964-10-08  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52653  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:50:59  

Additional Information
 Earth MOID = .777723 au 
 Jupiter MOID = 2.93579 au 
 T_jup = 3.683 
[ 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 15.4   n/a MPO365547  
rotation period rot_per 6.1709 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2005) http://www.asu.cas.cz/~ppravec/neo.htm]

24891 (1997 AT2)          Discovered 1997-Jan-04 by Kobayashi, T. at Oizumi
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 AT2 = 1964 TJ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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