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24903 (1997 AS22)
Classification: Main-belt Asteroid          SPK-ID: 2024903
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04962459728709419 8.9091e-08  
a 2.355175670650924 2.0006e-08 AU
q 2.23830102645451 2.0872e-07 AU
i 6.797810793265229 9.3666e-06 deg
node 14.84627193400465 4.6396e-05 deg
peri 161.9370147291646 7.9928e-05 deg
M 243.3577014847895 6.685e-05 deg
tp 2457228.246982709788
(2015-Jul-24.74698271)
0.00024628 JED
period 1320.180721193889
3.61
1.6822e-05
4.606e-08
d
yr
n .272689938749021 3.4746e-09 deg/d
Q 2.472050314847337 2.0999e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      939  
   data-arc span      23432 days (64.15 yr)  
   first obs. used      1949-11-25  
   last obs. used      2014-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53032  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 23:55:55  

Additional Information
 Earth MOID = 1.24231 AU 
 T_jup = 3.544 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6 mag n/a MPO267799  

24903 (1997 AS22)          Discovered 1997-Jan-11 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 AS22 = 1999 XZ104 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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