Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
164782 (1999 DK4)
Classification: Main-belt Asteroid          SPK-ID: 2164782
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08631302303775999 4.4632e-08  
a 2.932869231402711 2.1207e-08 au
q 2.679724421865912 1.3199e-07 au
i 1.353603614625674 5.1095e-06 deg
node 225.8750708908626 0.00017263 deg
peri 358.0857750692004 0.00017472 deg
M 14.56173358203467 2.4842e-05 deg
tp 2458926.292456341043
(2020-Mar-17.79245634)
0.00012683 TDB
period 1834.583469524772
5.02
1.9898e-05
5.448e-08
d
yr
n .1962298287214231 2.1283e-09 deg/d
Q 3.186014040939511 2.3037e-08 au
  Orbit Determination Parameters
   # obs. used (total)      463  
   data-arc span      9628 days (26.36 yr)  
   first obs. used      1994-02-11  
   last obs. used      2020-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51292  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 11:47:20  

Additional Information
 Earth MOID = 1.67065 au 
 Jupiter MOID = 1.79093 au 
 T_jup = 3.270 
[ 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 15.8   n/a MPO433055  

164782 (1999 DK4)          Discovered 1999-Feb-16 by Ondrejov at Ondrejov
Reference: 20071026/Numbers.arcLast Updated: 2007-10-28

[ 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
1917-May-07 21:56 00:03 Jupiter 1.81079703493401 1.81079622178404 1.81079784808573 2.42953184256631 2.22869927344435 2421356.413858897 3.24096385068374 123.761243998506 8.23771285121458 81.9986645958813 2311827.26139415 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 11:47:21 2020-Nov-12 11:47
1952-Jan-28 23:03 00:02 Jupiter 1.78150044221411 1.78150005546516 1.78150082896317 2.34344923063671 2.13092589472443 2434040.460214965 2.06188328478587 110.4129738848 5.35077018225497 -89.5598974122806 2743348.82710523 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 11:47:21 2020-Nov-12 11:47
1986-Oct-18 05:13 < 00:01 Jupiter 1.89972385323998 1.89972346243116 1.8997242440489 2.82380618365243 2.66123075096679 2446721.717434132 0.911487913136372 63.6115226420783 8.19005598319195 -83.4957462386025 3395734.20347729 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 11:47:21 2020-Nov-12 11:47
2013-Mar-14 19:31 < 00:01 Jupiter 1.96705191833094 1.96705149945892 1.96705233720284 2.95290118419301 2.80328651354202 2456366.313189535 0.199127631444937 36.6563845221744 12.6551221281053 88.5281457348477 2964662.84866764 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 11:47:21 2020-Nov-12 11:47
2047-Dec-04 15:19 00:01 Jupiter 1.81097661034983 1.810976150577 1.81097707012266 2.42794258588984 2.22698752665284 2469049.138057527 1.14788154182071 57.7490853798415 7.85423458553407 85.1694591342994 2423594.44137259 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 11:47:21 2020-Nov-12 11:47
2082-Aug-28 03:36 00:02 Jupiter 1.78422223990226 1.78422174026948 1.78422273953625 2.35909616508843 2.14845902508672 2481734.650028912 2.32806003555226 124.096013796728 6.16634820644105 -87.7488567350835 2732897.91265605 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 11:47:21 2020-Nov-12 11:47
2117-May-18 15:07 00:04 Jupiter 1.89668732545623 1.89668585446878 1.89668879644951 2.82406275147137 2.66123477736041 2494416.129957426 3.50446640701931 193.748604325718 9.20345129027492 -77.0281992174741 2882048.06849446 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 11:47:21 2020-Nov-12 11:47
2143-Oct-13 16:33 00:04 Jupiter 1.97517542570153 1.97517345396865 1.97517739743384 2.95710208259389 2.80834196419375 2504060.189305307 4.31607252879124 91.32433601223 29.7341564815169 41.7264173495864 1415658.21841374 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 11:47:21 2020-Nov-12 11:47
2178-Jul-05 06:42 00:06 Jupiter 1.81483417734922 1.81483295205401 1.8148354026501 2.4341840419196 2.23423555701189 2516743.779266169 5.49931157903522 193.819032249115 8.77303618209425 81.2215839616347 2336477.37724231 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 11:47:21 2020-Nov-12 11:47

Alternate Designations
 1999 DK4 = 2002 VZ131 = 2005 JZ166 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-16 10:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin