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215736 (2004 DX39)
Classification: Main-belt Asteroid          SPK-ID: 2215736
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06231805704674382 3.6034e-08  
a 2.674953293005279 2.488e-08 au
q 2.5082554010944 1.003e-07 au
i 4.64260022273756 5.7878e-06 deg
node 159.4500134016814 4.8962e-05 deg
peri 72.86386707777369 7.2532e-05 deg
M 190.4739799887414 5.6528e-05 deg
tp 2459753.000160924004
(2022-Jun-22.50016092)
0.0002568 TDB
period 1597.985122960183
4.38
2.2295e-05
6.104e-08
d
yr
n .2252836993457855 3.1431e-09 deg/d
Q 2.841651184916157 2.6431e-08 au
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      6118 days (16.75 yr)  
   first obs. used      2004-02-16  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53807  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:51:09  

Additional Information
 Earth MOID = 1.50242 au 
 Jupiter MOID = 2.14238 au 
 T_jup = 3.372 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457261.5 (2015-Aug-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06275789536483527 3.5744e-08  
q 2.506850445634172 9.9249e-08 au
tp 2456562.521775267323
(2013-Sep-27.02177527)
0.000234 TDB
node 159.5005501420131 4.8912e-05 deg
peri 73.99401296683685 7.2455e-05 deg
i 4.644584488979231 5.7916e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      6118 days (16.75 yr)  
   first obs. used      2004-02-16  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53807  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:51:09  

Additional Information
 Jupiter MOID = 2.14238 au 
 T_jup = 3.372 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.277658160915594E-15 -3.44892633925128E-15 -1.451423201597764E-12 -4.105144680956459E-16 -3.421315575296853E-13 8.315918846064996E-16
q -3.44892633925128E-15 9.850377011425366E-15 6.214369329870586E-12 -2.350734866805814E-15 1.480366635442279E-12 -1.747790286773884E-15
tp -1.451423201597764E-12 6.214369329870586E-12 5.4756866144737E-8 -5.145482084179161E-11 1.251498266902153E-8 -3.317430483445538E-12
node -4.105144680956459E-16 -2.350734866805814E-15 -5.145482084179161E-11 2.392365591752358E-9 -2.39596627312302E-9 -9.965222861183416E-12
peri -3.421315575296853E-13 1.480366635442279E-12 1.251498266902153E-8 -2.39596627312302E-9 5.249772644817801E-9 9.218256085536847E-12
i 8.315918846064996E-16 -1.747790286773884E-15 -3.317430483445538E-12 -9.965222861183416E-12 9.218256085536847E-12 3.354266555564136E-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 16.5   n/a MPO413071  

215736 (2004 DX39)          Discovered 2004-Feb-16 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ 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
1979-Sep-20 20:00 00:02 Psych 0.0453373064866539 0.0453339513119574 0.0453406645238582 3.155306753557 3.1553066689793 2444137.333511479 1.79242473194949 677.022839844782 84.0206185667112 77.5954736788131 78753.0245279922 T 16 CATAB v2.0f-lin.ifort 2020-Dec-17 23:51:09 2020-Dec-17 23:51
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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