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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1545609378502966 3.6587e-08  
a 2.703524578152492 1.4951e-08 au
q 2.285665283851916 9.8634e-08 au
i 11.24341289200851 4.4603e-06 deg
node 111.975091560911 2.0513e-05 deg
peri 40.12201702461545 2.501e-05 deg
M 178.3316779980978 1.5899e-05 deg
tp 2458396.196598478401
(2018-Oct-04.69659848)
6.8724e-05 TDB
period 1623.655582665823
4.45
1.3468e-05
3.687e-08
d
yr
n .2217218995477653 1.8392e-09 deg/d
Q 3.121383872453069 1.7261e-08 au
  Orbit Determination Parameters
   # obs. used (total)      902  
   data-arc span      8505 days (23.29 yr)  
   first obs. used      1997-06-03  
   last obs. used      2020-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53993  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:45:58  

Additional Information
 Earth MOID = 1.30963 au 
 Jupiter MOID = 1.9361 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 14.89   n/a E2021B10  
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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