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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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1742145134307839 5.3606e-08  
a 2.620200469119887 1.1084e-08 au
q 2.163723519301054 1.3712e-07 au
i 14.52159123333303 5.0561e-06 deg
node 345.1304174383045 1.4667e-05 deg
peri 341.6598307464654 1.925e-05 deg
M 6.107826717696921 1.5542e-05 deg
tp 2458574.216426363873
(2019-Mar-31.71642636)
6.6791e-05 TDB
period 1549.174026432385
4.24
9.83e-06
2.691e-08
d
yr
n .2323818976161439 1.4745e-09 deg/d
Q 3.076677418938721 1.3015e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1921  
   data-arc span      13882 days (38.01 yr)  
   first obs. used      1981-11-25  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46417  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 21:00:05  

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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