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103291 (2000 AL44)
Classification: Main-belt Asteroid          SPK-ID: 2103291
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03756342524375334 3.8634e-08  
a 2.69738025208415 1.6661e-08 au
q 2.596057410631011 1.0362e-07 au
i 2.059990140712819 3.8104e-06 deg
node 68.71149668765463 0.00011931 deg
peri 97.45865817103409 0.00013097 deg
M 211.0387541946586 5.6278e-05 deg
tp 2459870.049179781002
(2022-Oct-17.54917978)
0.00025515 TDB
period 1618.123582533287
4.43
1.4992e-05
4.105e-08
d
yr
n .2224799167912715 2.0613e-09 deg/d
Q 2.798703093537289 1.7287e-08 au
  Orbit Determination Parameters
   # obs. used (total)      559  
   data-arc span      8069 days (22.09 yr)  
   first obs. used      1998-09-18  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47481  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:49:37  

Additional Information
 Earth MOID = 1.60282 au 
 Jupiter MOID = 2.16314 au 
 T_jup = 3.367 
[ 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 16.3   n/a MPO436485  

103291 (2000 AL44)          Discovered 2000-Jan-05 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2000 AL44 = 1998 SY28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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