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249691 (2000 DY21)
Classification: Main-belt Asteroid          SPK-ID: 2249691
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1120957391237744 6.4031e-08  
a 2.574774699313878 2.1224e-08 au
q 2.286153426317096 1.6775e-07 au
i 4.349469049668312 6.4233e-06 deg
node 174.0299570130771 6.3509e-05 deg
peri 50.48374482220679 6.6696e-05 deg
M 260.9244458759545 2.0624e-05 deg
tp 2459415.808945369123
(2021-Jul-20.30894537)
8.7729e-05 TDB
period 1509.062670956065
4.13
1.8659e-05
5.109e-08
d
yr
n .2385586807815757 2.9497e-09 deg/d
Q 2.863395972310662 2.3603e-08 au
  Orbit Determination Parameters
   # obs. used (total)      291  
   data-arc span      9190 days (25.16 yr)  
   first obs. used      1994-11-30  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6103  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:26:13  

Additional Information
 Earth MOID = 1.28034 au 
 Jupiter MOID = 2.11433 au 
 T_jup = 3.415 
[ 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 MPO418333  

249691 (2000 DY21)          Discovered 2000-Feb-29 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

Alternate Designations
 2000 DY21 = 2006 SH329 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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