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46028 (2001 DT21)
Classification: Main-belt Asteroid          SPK-ID: 2046028
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1524998374725353 4.0094e-08  
a 2.70346978230247 1.6173e-08 au
q 2.291191079889433 1.0998e-07 au
i 11.23760426796967 5.0036e-06 deg
node 111.9973222622383 2.6379e-05 deg
peri 39.618854123916 3.2314e-05 deg
M 46.06765841927594 1.8907e-05 deg
tp 2458392.734064607158
(2018-Oct-01.23406461)
8.4665e-05 TDB
period 1623.606219805746
4.45
1.4569e-05
3.989e-08
d
yr
n .2217286406078634 1.9897e-09 deg/d
Q 3.115748484715508 1.8639e-08 au
  Orbit Determination Parameters
   # obs. used (total)      784  
   data-arc span      8012 days (21.94 yr)  
   first obs. used      1997-06-03  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54156  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:32:50  

Additional Information
 Earth MOID = 1.31554 au 
 Jupiter MOID = 1.94374 au 
 T_jup = 3.322 
[ 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 14.8   n/a MPO436103  
diameter diameter 3.104 km 0.162 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.242   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46028 (2001 DT21)          Discovered 2001-Feb-16 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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