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160941 (2002 AM9)
Classification: Outer Main-belt Asteroid          SPK-ID: 2160941
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05287446271904294 4.7568e-08  
a 3.223075223844664 3.3269e-08 au
q 3.052656853080819 1.4912e-07 au
i 14.54225494048319 6.4124e-06 deg
node 302.1394490294899 2.5526e-05 deg
peri 156.8025998160689 7.788e-05 deg
M 119.1592999183426 7.5373e-05 deg
tp 2458500.932650604404
(2019-Jan-17.43265060)
0.00043811 TDB
period 2113.50894101424
5.79
3.2723e-05
8.959e-08
d
yr
n .1703328493265051 2.6373e-09 deg/d
Q 3.39349359460851 3.5028e-08 au
  Orbit Determination Parameters
   # obs. used (total)      437  
   data-arc span      7115 days (19.48 yr)  
   first obs. used      2000-12-01  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56871  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:03:27  

Additional Information
 Earth MOID = 2.07393 au 
 Jupiter MOID = 1.72527 au 
 T_jup = 3.136 
[ 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 14.72   n/a E2021B55  
diameter diameter 5.546 km 0.584 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.083   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160941 (2002 AM9)          Discovered 2002-Jan-11 by Yeung, W. K. Y. at Desert Eagle
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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