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154467 (2003 DR15)
Classification: Main-belt Asteroid          SPK-ID: 2154467
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .1753465093238526 3.814e-08  
a 2.35229273297063 1.154e-08 au
q 1.939826413336365 9.3462e-08 au
i 1.125236505799776 4.3662e-06 deg
node 39.88328084006704 0.00022614 deg
peri 57.20883722763499 0.00022658 deg
M 325.2321436964947 1.5835e-05 deg
tp 2459127.765559304556
(2020-Oct-05.26555930)
5.8486e-05 TDB
period 1317.757440944699
3.61
9.6973e-06
2.655e-08
d
yr
n .2731913998845769 2.0104e-09 deg/d
Q 2.764759052604896 1.3564e-08 au
  Orbit Determination Parameters
   # obs. used (total)      525  
   data-arc span      6617 days (18.12 yr)  
   first obs. used      2001-09-19  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48876  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 17:57:37  

Additional Information
 Earth MOID = .956935 au 
 Jupiter MOID = 2.39892 au 
 T_jup = 3.536 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457249.5 (2015-Aug-15.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1741436770641398 3.7985e-08  
q 1.943324760225971 9.3032e-08 au
tp 2457808.307699403061
(2017-Feb-23.80769940)
5.4257e-05 TDB
node 39.93683174223698 0.00022553 deg
peri 56.88376018878726 0.00022599 deg
i 1.127621609005633 4.3682e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      525  
   data-arc span      6617 days (18.12 yr)  
   first obs. used      2001-09-19  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48876  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 17:57:37  

Additional Information
 Jupiter MOID = 2.39892 au 
 T_jup = 3.536 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.44284591765952E-15 -3.517212988857931E-15 -2.312731380952534E-13 8.628126982317867E-15 -2.041502885201495E-14 4.143206149929186E-17
q -3.517212988857931E-15 8.654903914006712E-15 7.699125152415406E-13 -2.225469115949181E-14 9.499065941035655E-14 2.563983952806364E-17
tp -2.312731380952534E-13 7.699125152415406E-13 2.943803012036366E-9 -1.624694209725423E-11 7.915931400897556E-10 7.426431438478471E-13
node 8.628126982317867E-15 -2.225469115949181E-14 -1.624694209725423E-11 5.086512971966549E-8 -5.08587185724259E-8 -1.975720936650875E-10
peri -2.041502885201495E-14 9.499065941035655E-14 7.915931400897556E-10 -5.08587185724259E-8 5.106969582743385E-8 1.977203737571515E-10
i 4.143206149929186E-17 2.563983952806364E-17 7.426431438478471E-13 -1.975720936650875E-10 1.977203737571515E-10 1.908107988134823E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO493878  

154467 (2003 DR15)          Discovered 2003-Feb-27 by NEAT at Haleakala
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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