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JPL Small-Body Database Browser
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45328 (2000 AM74)
Classification: Main-belt Asteroid          SPK-ID: 2045328
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2182433588717633 4.1049e-08  
a 2.401984451917296 1.1907e-08 au
q 1.877767297173114 1.0011e-07 au
i 7.262887106202784 5.3477e-06 deg
node 118.808183541658 3.6509e-05 deg
peri 260.0487218202287 3.8606e-05 deg
M 222.0603361030209 1.4841e-05 deg
tp 2459521.503183967618
(2021-Nov-03.00318397)
5.8321e-05 TDB
period 1359.73324082059
3.72
1.0111e-05
2.768e-08
d
yr
n .2647578136596429 1.9687e-09 deg/d
Q 2.926201606661479 1.4506e-08 au
  Orbit Determination Parameters
   # obs. used (total)      925  
   data-arc span      7894 days (21.61 yr)  
   first obs. used      1998-06-24  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .528  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:00:55  

Additional Information
 Earth MOID = .895926 au 
 Jupiter MOID = 2.56779 au 
 T_jup = 3.482 
[ 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 MPO378934  
diameter diameter 3.037 km 0.185 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 40.6826 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.175   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

45328 (2000 AM74)          Discovered 2000-Jan-05 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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