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172765 (2004 DW51)
Classification: Main-belt Asteroid          SPK-ID: 2172765
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 .08850575836385643 5.3373e-08  
a 2.972585463425069 2.8242e-08 au
q 2.709494532683258 1.5594e-07 au
i 3.265718075389095 5.9835e-06 deg
node 85.05495327441224 9.8373e-05 deg
peri 115.9797513746553 0.00010411 deg
M 37.42760800296561 3.755e-05 deg
tp 2458805.879079252482
(2019-Nov-18.37907925)
0.00019392 TDB
period 1871.974598631978
5.13
2.6678e-05
7.304e-08
d
yr
n .1923103017867255 2.7407e-09 deg/d
Q 3.23567639416688 3.0742e-08 au
  Orbit Determination Parameters
   # obs. used (total)      388  
   data-arc span      7616 days (20.85 yr)  
   first obs. used      1999-03-21  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57026  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:53:41  

Additional Information
 Earth MOID = 1.70841 au 
 Jupiter MOID = 1.72458 au 
 T_jup = 3.254 
[ show covariance matrix ]

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 15.7   n/a MPO433109  

172765 (2004 DW51)          Discovered 2004-Feb-23 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ 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
1904-Oct-17 19:34 00:05 Jupiter 1.71541428198557 1.71541339926862 1.71541516470651 2.09625991310582 1.84574180707443 2416771.314950235 4.85210858948804 223.221540183634 15.2152292540645 -88.8736183501646 1607033.25607894 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 16:53:57 2020-Feb-24 16:54
1940-Oct-31 15:43 00:03 Jupiter 1.75496447724333 1.75496329980784 1.75496565467831 2.26238218992366 2.03791212046238 2429934.155179702 3.23963043017093 107.930061668892 14.2953012274181 88.3967895142393 1196320.93992917 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 16:53:57 2020-Feb-24 16:54
1976-Nov-24 13:02 00:02 Jupiter 1.84174934075536 1.84174830098903 1.84175038052111 2.59372833396611 2.40990134758471 2443107.042712132 1.67623891887001 68.3713685528534 25.5665313615492 -87.2964066605207 1294376.41232515 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 16:53:57 2020-Feb-24 16:54
2012-Dec-22 01:34 < 00:01 Jupiter 1.95069060810704 1.95069001701594 1.95069119919802 3.0150975343321 2.86746920861363 2456283.564987294 0.233457029040432 54.340319245898 18.5661504571696 -85.839770555562 2234249.89126348 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 16:53:57 2020-Feb-24 16:54
2021-Aug-11 06:42 < 00:01 Jupiter 1.92881162388184 1.92881114597091 1.92881210179266 2.9284338584673 2.77442616226688 2459437.779180272 0.376922035606904 55.3574968759335 14.6107278445524 88.9242299772457 2748986.22209325 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 16:53:57 2020-Feb-24 16:54
2057-Sep-07 09:55 00:02 Jupiter 1.82923360981724 1.82923277080125 1.82923444883416 2.51532372970102 2.32395308813219 2472613.912998326 1.89992392478207 112.940296033884 13.5044034412217 -83.2185428274955 2194302.74066744 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 16:53:57 2020-Feb-24 16:54
2093-Oct-01 13:28 00:04 Jupiter 1.75044723317576 1.75044624642585 1.75044821993254 2.2140962494209 1.98354324292462 2485787.060986708 3.4949858823843 228.752229698763 8.83377327004102 -88.0906946307029 2096128.17132384 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 16:53:57 2020-Feb-24 16:54
2129-Oct-16 18:17 00:05 Jupiter 1.70785837846876 1.70785765121764 1.70785910573123 2.06782104548384 1.81217327714334 2498950.261943860 5.15135092884028 326.539988295566 16.0171375432477 -89.4666951893735 1925398.90556643 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 16:53:57 2020-Feb-24 16:54
2165-Oct-27 05:45 00:07 Jupiter 1.71140246386741 1.71140183015268 1.711403097587 2.08584487471779 1.8332733206945 2512109.739813959 7.00378976581481 319.942050727412 16.5738585450588 -88.5869181859593 1762640.47845107 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 16:53:57 2020-Feb-24 16:54
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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