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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1743483080509481 1.0244e-08  
a 2.62125151638989 9.2792e-09 au
q 2.16424074953133 2.6154e-08 au
i 14.52133232259562 4.1028e-07 deg
node 345.1161643046012 1.7449e-06 deg
peri 341.8109100136451 5.6689e-06 deg
M 145.3427981631248 5.1707e-06 deg
tp 2458574.675609288484
(2019-Apr-01.17560929)
2.0328e-05 TDB
period 1550.106255717501
4.24
8.231e-06
2.254e-08
d
yr
n .2322421438350792 1.2332e-09 deg/d
Q 3.078262283248449 1.0897e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2490  
   data-arc span      14360 days (39.32 yr)  
   first obs. used      1981-11-25  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43348  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:30:11  

Additional Information
 Earth MOID = 1.15624 au 
 Jupiter MOID = 2.31085 au 
 T_jup = 3.338 
[ 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 12.81   n/a MPCxxxxx  
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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