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4496 Kamimachi (1988 XM1)
Classification: Main-belt Asteroid          SPK-ID: 2004496
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05592219866171934 3.3109e-08  
a 2.813704480481476 1.2937e-08 au
q 2.656355939548621 9.0852e-08 au
i 4.794126630433102 3.5282e-06 deg
node 162.8376223266824 4.1643e-05 deg
peri 326.2466961213592 5.2153e-05 deg
M 190.2856792700512 3.1715e-05 deg
tp 2459813.203517690335
(2022-Aug-21.70351769)
0.00015245 TDB
period 1723.916196995929
4.72
1.1889e-05
3.255e-08
d
yr
n .2088268563328837 1.4402e-09 deg/d
Q 2.971053021414331 1.366e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2129  
   data-arc span      23546 days (64.47 yr)  
   first obs. used      1955-12-18  
   last obs. used      2020-06-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47635  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:10:00  

Additional Information
 Earth MOID = 1.67245 au 
 Jupiter MOID = 2.04355 au 
 T_jup = 3.313 
[ 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 13.0   n/a MPO347559  
diameter diameter 7.217 km 0.124 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.257   0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4496 Kamimachi (1988 XM1)          Discovered 1988-Dec-09 by Seki, T. at Geisei
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1988 XM1 = 1976 GY6 = 1985 DH3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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