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4253 Marker (1985 TN3)
Classification: Main-belt Asteroid          SPK-ID: 2004253
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1742145135383092 5.3583e-08  
a 2.620200468955431 1.103e-08 au
q 2.16372351888351 1.3703e-07 au
i 14.52159117511408 5.0243e-06 deg
node 345.1304175153868 1.4648e-05 deg
peri 341.6598305868761 1.922e-05 deg
M 6.107826873532693 1.5493e-05 deg
tp 2458574.216425695745
(2019-Mar-31.71642570)
6.6581e-05 TDB
period 1549.174026286535
4.24
9.782e-06
2.678e-08
d
yr
n .2323818976380221 1.4673e-09 deg/d
Q 3.07667741902735 1.2951e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1940  
   data-arc span      13888 days (38.02 yr)  
   first obs. used      1981-11-25  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46199  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:42:02  

Additional Information
 Earth MOID = 1.15678 au 
 Jupiter MOID = 2.30866 au 
 T_jup = 3.339 
[ 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 12.7   n/a MPO350835  
diameter diameter 7.246 km 0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.307   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

4253 Marker (1985 TN3)          Discovered 1985-Oct-11 by Shoemaker, C. S. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1985 TN3 = 1981 WN7 = 1984 MW 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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