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47575 (2000 AL172)
Classification: Main-belt Asteroid          SPK-ID: 2047575
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07050264001606986 3.0182e-08  
a 2.392811325048277 1.0028e-08 au
q 2.224111809572023 7.3003e-08 au
i 7.276600827061952 4.2027e-06 deg
node 159.5466399700996 2.7968e-05 deg
peri 282.648078009528 4.2132e-05 deg
M 192.2627497799146 3.1577e-05 deg
tp 2459630.423961356472
(2022-Feb-19.92396136)
0.00011956 TDB
period 1351.95149432094
3.70
8.499e-06
2.327e-08
d
yr
n .2662817427342845 1.674e-09 deg/d
Q 2.56151084052453 1.0735e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1113  
   data-arc span      10514 days (28.79 yr)  
   first obs. used      1991-10-16  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52736  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 04:29:17  

Additional Information
 Earth MOID = 1.25354 au 
 Jupiter MOID = 2.57138 au 
 T_jup = 3.517 
[ 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 15.5   n/a MPO474352  
rotation period rot_per 10.83 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

47575 (2000 AL172)          Discovered 2000-Jan-07 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 AL172 = 2001 HT55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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