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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1743349817909013 5.3447e-08  
a 2.620932427874751 1.0898e-08 au
q 2.164012220786024 1.3665e-07 au
i 14.52057254380612 4.9106e-06 deg
node 345.1222465331437 1.4645e-05 deg
peri 341.7533135891324 1.9195e-05 deg
M 98.95632152088811 1.5725e-05 deg
tp 2458574.486653303220
(2019-Mar-31.98665330)
6.6278e-05 TDB
period 1549.823219514764
4.24
9.6664e-06
2.647e-08
d
yr
n .2322845570172274 1.4488e-09 deg/d
Q 3.077852634963479 1.2798e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2034  
   data-arc span      13951 days (38.20 yr)  
   first obs. used      1981-11-25  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45072  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:08:05  

Additional Information
 Earth MOID = 1.15793 au 
 Jupiter MOID = 2.31089 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 12.7   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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