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JPL Small-Body Database Browser
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245260 (2005 AM18)
Classification: Main-belt Asteroid          SPK-ID: 2245260
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2694204738666561 1.6677e-07  
a 2.562318033148685 3.612e-08 au
q 1.871977094460688 4.3038e-07 au
i 6.23486215862973 1.3499e-05 deg
node 300.910283954767 7.8048e-05 deg
peri 99.24871060604437 0.00010067 deg
M 325.8335365330955 3.4174e-05 deg
tp 2459142.682289600569
(2020-Oct-20.18228960)
0.00014013 TDB
period 1498.124741701342
4.10
3.1677e-05
8.673e-08
d
yr
n .2403004169006425 5.0811e-09 deg/d
Q 3.252658971836683 4.5851e-08 au
  Orbit Determination Parameters
   # obs. used (total)      292  
   data-arc span      7707 days (21.10 yr)  
   first obs. used      1997-03-10  
   last obs. used      2018-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57834  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:41:28  

Additional Information
 Earth MOID = .892304 au 
 Jupiter MOID = 2.22632 au 
 T_jup = 3.374 
[ 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 15.9   n/a MPO446293  
diameter diameter 3.131 km 0.633 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.057   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245260 (2005 AM18)          Discovered 2005-Jan-06 by CSS at Catalina
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

Alternate Designations
 2005 AM18 = 1997 EA43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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