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362138 (2009 DY81)
Classification: Main-belt Asteroid          SPK-ID: 2362138
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1765537258603075 3.136e-07  
a 2.523063424355413 3.2056e-08 au
q 2.077607176203599 7.8376e-07 au
i 4.116903163780174 5.0011e-06 deg
node 103.9917456309546 0.00012936 deg
peri 260.2230573300759 0.00015154 deg
M 154.6955985738122 0.00010919 deg
tp 2458571.477565424272
(2019-Mar-28.97756542)
0.00043948 TDB
period 1463.830118858963
4.01
2.7898e-05
7.638e-08
d
yr
n .2459301768436185 4.6869e-09 deg/d
Q 2.968519672507228 3.7716e-08 au
  Orbit Determination Parameters
   # obs. used (total)      159  
   data-arc span      7302 days (19.99 yr)  
   first obs. used      2001-04-16  
   last obs. used      2021-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61771  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 12:18:01  

Additional Information
 Earth MOID = 1.07862 au 
 Jupiter MOID = 2.49642 au 
 T_jup = 3.430 
[ 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 16.59   n/a MPCxxxxx  

362138 (2009 DY81)          Discovered 2009-Feb-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-04-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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