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 ]  
4393 Dawe (1978 VP8)
Classification: Outer Main-belt Asteroid          SPK-ID: 2004393
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1195776239520486 4.0864e-08  
a 3.222726757507599 1.6348e-08 au
q 2.837360749198151 1.3344e-07 au
i 2.211135703039459 3.9579e-06 deg
node 125.1111065239256 0.00010698 deg
peri 87.00260343486173 0.00010829 deg
M 342.0051290935178 1.8599e-05 deg
tp 2459306.128202390161
(2021-Apr-01.62820239)
0.00010939 TDB
period 2113.166193749127
5.79
1.6079e-05
4.402e-08
d
yr
n .1703604766463243 1.2963e-09 deg/d
Q 3.608092765817047 1.8303e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2378  
   data-arc span      25996 days (71.17 yr)  
   first obs. used      1949-11-21  
   last obs. used      2021-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49672  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:17:35  

Additional Information
 Earth MOID = 1.83163 au 
 Jupiter MOID = 1.35598 au 
 T_jup = 3.176 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456737.5 (2014-Mar-21.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1215337765407268 4.1019e-08  
q 2.835377948279396 1.3439e-07 au
tp 2457185.172804567181
(2015-Jun-11.67280457)
0.00010347 TDB
node 125.1216923209997 0.00010702 deg
peri 85.77391368143954 0.00010825 deg
i 2.209750697116218 3.9558e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2378  
   data-arc span      25996 days (71.17 yr)  
   first obs. used      1949-11-21  
   last obs. used      2021-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49672  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:17:35  

Additional Information
 Jupiter MOID = 1.35598 au 
 T_jup = 3.176 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.682593076010077E-15 -5.48059743556444E-15 -1.416260487233917E-12 4.849685654606029E-15 -1.820309307148528E-13 4.798243239860303E-16
q -5.48059743556444E-15 1.805950333716108E-14 4.852818441404239E-12 -2.395003060899927E-14 6.300002633664624E-13 -1.89670084864732E-15
tp -1.416260487233917E-12 4.852818441404239E-12 1.07059510852396E-8 4.460326076108663E-12 1.708262125416296E-9 1.792079388266303E-13
node 4.849685654606029E-15 -2.395003060899927E-14 4.460326076108663E-12 1.145227876212873E-8 -1.144270462438101E-8 7.845130264678003E-11
peri -1.820309307148528E-13 6.300002633664624E-13 1.708262125416296E-9 -1.144270462438101E-8 1.171740195443906E-8 -7.836354060001198E-11
i 4.798243239860303E-16 -1.89670084864732E-15 1.792079388266303E-13 7.845130264678003E-11 -7.836354060001198E-11 1.564831035859385E-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 12.75   n/a E2021B10  
diameter diameter 14.716 km 0.405 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.082   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4393 Dawe (1978 VP8)          Discovered 1978-Nov-07 by Helin and Bus at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ 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
2013-Aug-27 15:56 < 00:01 Jupiter 1.80413773421587 1.80413733010278 1.80413813832886 2.55177377268501 2.36062951878371 2456532.163649897 0.194117499752973 43.4793229163805 9.45474928443602 88.997032297176 3208165.02977362 T 37 CATAB v2.0f-lin.ifort 2021-Feb-24 01:17:42 2021-Feb-24 01:17
2024-Nov-17 10:09 < 00:01 Jupiter 1.58703515025623 1.58703475810026 1.58703554241183 1.79432172121925 1.46702518584653 2460631.922984477 0.357670242065591 56.5631143664633 30.4539911327598 88.9818495936277 2433045.38622906 T 37 CATAB v2.0f-lin.ifort 2021-Feb-24 01:17:42 2021-Feb-24 01:17
2036-Mar-19 04:47 < 00:01 Jupiter 1.44807437549631 1.44807397359436 1.44807477739744 1.38969463208842 0.872577020994294 2464771.699056082 0.67112939246732 213.10833421904 115.237566984387 -1.22420917338378 1951362.09241683 T 37 CATAB v2.0f-lin.ifort 2021-Feb-24 01:17:42 2021-Feb-24 01:17
2047-Aug-19 16:53 00:01 Jupiter 1.38949530923564 1.38949493196074 1.38949568650921 1.25717204729202 0.601083567712051 2468942.203455726 1.1011437661292 679.699661158536 225.913240440057 1.66682539778247 1845056.44115642 T 37 CATAB v2.0f-lin.ifort 2021-Feb-24 01:17:42 2021-Feb-24 01:17
2059-Jan-25 12:21 00:02 Jupiter 1.40456444603255 1.40456388489874 1.40456500716636 1.33525142210816 0.759471174381681 2473119.014566765 1.74530881828347 459.154827139262 161.844846453052 19.9778396149998 1797891.91170741 T 37 CATAB v2.0f-lin.ifort 2021-Feb-24 01:17:42 2021-Feb-24 01:17
2070-Jun-06 13:05 00:03 Jupiter 1.49723770964793 1.49723649460612 1.49723892469305 1.67075525371019 1.28840062612623 2477269.045220868 2.62463661952462 237.133987935277 45.9105917560458 58.1532216028842 2099998.62640242 T 37 CATAB v2.0f-lin.ifort 2021-Feb-24 01:17:42 2021-Feb-24 01:17
2081-Aug-31 09:50 00:04 Jupiter 1.68634139654655 1.68633934345926 1.68634344963729 2.41175381790308 2.19362444931211 2481372.909576257 3.50124326396687 178.478012358087 8.60025846729998 -79.7328137722115 2268466.23368827 T 37 CATAB v2.0f-lin.ifort 2021-Feb-24 01:17:42 2021-Feb-24 01:17
2092-Oct-20 01:12 00:04 Jupiter 1.9447874414859 1.94478492037794 1.94478996259608 3.54443320864144 3.41934749136987 2485440.550025101 4.04731981668943 167.311270162683 21.8781731133302 -53.3690667035576 2305655.59391654 T 37 CATAB v2.0f-lin.ifort 2021-Feb-24 01:17:42 2021-Feb-24 01:17

Alternate Designations
 1978 VP8 = 1969 FA = 1978 WU12 = 1983 UL = 1986 EC3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-08 01:12 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin