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JPL Small-Body Database Browser
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(2009 DP2)
Classification: Centaur          SPK-ID: 3456728
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .421503400354056 0.00052779  
a 6.697226224307126 0.0043662 au
q 3.874322597821317 0.0014964 au
i 26.97695934330631 0.024437 deg
node .6952878568068327 0.011716 deg
peri 126.1914108126772 0.11496 deg
M 272.347053299819 0.22063 deg
tp 2460937.862896554443
(2025-Sep-19.36289655)
5.3855 TDB
period 6330.541797500725
17.33
6.1908
0.01695
d
yr
n .05686717053856696 5.5612e-05 deg/d
Q 9.520129850792937 0.0062066 au
  Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      47 days  
   first obs. used      2009-02-17  
   last obs. used      2009-04-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .5137  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 02:36:05  

Additional Information
 Earth MOID = 2.97072 au 
 Jupiter MOID = .96732 au 
 T_jup = 2.611 
[ hide covariance matrix ]
Orbital Elements at Epoch 2454915.5 (2009-Mar-25.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .423062040866693 0.00052393  
q 3.855648316896046 0.0014885 au
tp 2454631.195252181221
(2008-Jun-13.69525218)
0.81288 TDB
node .7971709914058417 0.011661 deg
peri 126.4932197104119 0.11579 deg
i 27.00562873783106 0.024391 deg
  Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      47 days  
   first obs. used      2009-02-17  
   last obs. used      2009-04-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .5137  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 02:36:05  

Additional Information
 Jupiter MOID = .96732 au 
 T_jup = 2.611 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.745069229631113E-7 -6.169907262287067E-7 -.0003504346761951884 -2.127432307122508E-6 -5.675175617249077E-5 4.31406806491188E-6
q -6.169907262287067E-7 2.215519496601477E-6 .0003840284319193442 -5.046608915980958E-6 9.328464816597946E-5 1.094724111770363E-5
tp -.0003504346761951884 .0003840284319193442 .6607802366917559 .007717677991816303 .09122085229489058 -.01601055136793656
node -2.127432307122508E-6 -5.046608915980958E-6 .007717677991816303 .0001359879295310249 .0008726735681173864 -.000284407909034286
peri -5.675175617249077E-5 9.328464816597946E-5 .09122085229489058 .0008726735681173864 .01340728518068299 -.001800716134801014
i 4.31406806491188E-6 1.094724111770363E-5 -.01601055136793656 -.000284407909034286 -.001800716134801014 .0005949201188419268

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.032   .54956 4 autocmod 2.9c

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2023-Jun-04 09:00 2_02:00 Jupiter 1.57092560991027 1.54923042773221 1.60831258130305 8.18919672680431 8.12308865078613 2460099.874775437 3000.28331840007 8116093.97434742 205512.977406582 -79.8791838974894 934.281712296787 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 02:36:05 2021-Apr-15 02:36
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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