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146021 (2000 DB4)
Classification: Main-belt Asteroid          SPK-ID: 2146021
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1459387943168121 3.8339e-08  
a 2.362584251198808 1.3764e-08 au
q 2.017791554106965 8.727e-08 au
i 5.617496272787535 5.7702e-06 deg
node 105.4825983117302 4.0582e-05 deg
peri 105.2561582786672 4.5846e-05 deg
M 160.142285299302 2.1376e-05 deg
tp 2458410.458029260398
(2018-Oct-18.95802926)
7.6579e-05 TDB
period 1326.41487580409
3.63
1.1591e-05
3.173e-08
d
yr
n .2714082950719044 2.3717e-09 deg/d
Q 2.70737694829065 1.5772e-08 au
  Orbit Determination Parameters
   # obs. used (total)      437  
   data-arc span      7140 days (19.55 yr)  
   first obs. used      2000-02-03  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53373  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:33:17  

Additional Information
 Earth MOID = 1.02071 au 
 Jupiter MOID = 2.2712 au 
 T_jup = 3.529 
[ 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 16.3   n/a MPO475265  

146021 (2000 DB4)          Discovered 2000-Feb-28 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

Alternate Designations
 2000 DB4 = 2001 QO99 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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