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JPL Small-Body Database Browser
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376203 (2011 DE2)
Classification: Main-belt Asteroid          SPK-ID: 2376203
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1613206398768436 8.7504e-08  
a 2.364212704129847 2.689e-08 au
q 1.982816397894657 2.0634e-07 au
i 2.231218127504994 9.7505e-06 deg
node 344.3608805225886 0.00026076 deg
peri 139.7387932589701 0.00026287 deg
M 214.9201231697776 3.6012e-05 deg
tp 2459535.597502963249
(2021-Nov-17.09750296)
0.00013768 TDB
period 1327.78649441644
3.64
2.2653e-05
6.202e-08
d
yr
n .2711279272035521 4.6256e-09 deg/d
Q 2.745609010365036 3.1228e-08 au
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      8115 days (22.22 yr)  
   first obs. used      1995-11-24  
   last obs. used      2018-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61828  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:57:32  

Additional Information
 Earth MOID = .99895 au 
 Jupiter MOID = 2.31754 au 
 T_jup = 3.530 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456325.5 (2013-Feb-02.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1605500273341846 8.706e-08  
q 1.984782451850103 2.0505e-07 au
tp 2456877.965940701002
(2014-Aug-08.46594070)
0.00011941 TDB
node 344.5332933783173 0.00026106 deg
peri 139.3351537828008 0.00026322 deg
i 2.230055753929887 9.743e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      8115 days (22.22 yr)  
   first obs. used      1995-11-24  
   last obs. used      2018-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61828  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:57:32  

Additional Information
 Jupiter MOID = 2.31754 au 
 T_jup = 3.530 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.579367069007996E-15 -1.774597628244277E-14 3.272629501420738E-13 -6.452518144118313E-15 2.68684774731913E-13 -9.656795934354068E-16
q -1.774597628244277E-14 4.20448246378238E-14 -4.087234073304953E-14 1.530410124335295E-14 -4.939853284952174E-13 2.789095405108493E-15
tp 3.272629501420738E-13 -4.087234073304953E-14 1.425776517613699E-8 -5.932025165631466E-11 4.078702988773479E-9 6.520948225227751E-12
node -6.452518144118313E-15 1.530410124335295E-14 -5.932025165631466E-11 6.815404971506966E-8 -6.811929681175678E-8 6.994344205353162E-11
peri 2.68684774731913E-13 -4.939853284952174E-13 4.078702988773479E-9 -6.811929681175678E-8 6.928241345951054E-8 -6.806936703969224E-11
i -9.656795934354068E-16 2.789095405108493E-15 6.520948225227751E-12 6.994344205353162E-11 -6.806936703969224E-11 9.492571578059108E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.8   n/a MPO437548  

376203 (2011 DE2)          Discovered 2006-Nov-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-10-21

Alternate Designations
 2011 DE2 = 2006 WX187 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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