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3907 Kilmartin (A904 PC)
Classification: Main-belt Asteroid          SPK-ID: 2003907
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .121991164188229 3.9591e-08  
a 2.792585004361734 1.5203e-08 au
q 2.451914308585056 1.1386e-07 au
i 11.0116169661037 4.0819e-06 deg
node 283.6650552011415 2.2923e-05 deg
peri 85.82391175609506 2.8368e-05 deg
M 168.9408442812181 1.7845e-05 deg
tp 2457800.591726474714
(2017-Feb-16.09172647)
8.2498e-05 TDB
period 1704.543265983415
4.67
1.392e-05
3.811e-08
d
yr
n .2112002711719391 1.7247e-09 deg/d
Q 3.133255700138413 1.7058e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1763  
   data-arc span      41907 days (114.74 yr)  
   first obs. used      1904-08-15  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40763  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 00:01:22  

Additional Information
 Earth MOID = 1.48049 au 
 Jupiter MOID = 2.40087 au 
 T_jup = 3.291 
[ 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 11.8   n/a MPO337283  
diameter diameter 8.581 km 0.240 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.841 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Bennefeld, C. (2011) http://www.bennefeld.org/astronomy/]
geometric albedo albedo 0.501   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3907 Kilmartin (A904 PC)          Discovered 1904-Aug-14 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A904 PC = 1955 MM = 1975 XE2 = 1981 DU3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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