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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 ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .119577668915741 1.3448e-08  
a 3.222726737654093 1.5257e-08 au
q 2.837360586812986 4.1425e-08 au
i 2.211136268430156 7.5178e-07 deg
node 125.1110154397428 1.8905e-05 deg
peri 87.002697960655 2.3628e-05 deg
M 342.005130962062 8.2526e-06 deg
tp 2459306.128190445903
(2021-Apr-01.62819045)
4.8593e-05 TDB
period 2113.166174221987
5.79
1.5006e-05
4.108e-08
d
yr
n .1703604782205747 1.2098e-09 deg/d
Q 3.608092888495201 1.7082e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2524  
   data-arc span      26055 days (71.33 yr)  
   first obs. used      1949-11-21  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49257  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:36:09  

Additional Information
 Earth MOID = 1.83163 au 
 Jupiter MOID = 1.35598 au 
 T_jup = 3.176 
[ 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 12.76   n/a MPCxxxxx  
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

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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 1.804137654528 1.80413736337673 1.80413794567927 2.55177332402913 2.3606290261135 2456532.163624788 0.16765414124761 9.94432368326731 6.53209746293473 -89.6375749003169 4627777.20898523 T 40 CATAB v2.0g-lin.ifort 2021-May-03 21:37:36 2021-May-03 21:37
2024-Nov-17 10:09 < 00:01 Jupiter 1.58703497269912 1.58703470436508 1.58703524103307 1.79432086971978 1.46702410568266 2460631.922882059 0.323618819767775 15.3350981851032 9.44907418446903 -18.3051742285922 4213553.5365323 T 40 CATAB v2.0g-lin.ifort 2021-May-03 21:37:36 2021-May-03 21:37
2036-Mar-19 04:46 < 00:01 Jupiter 1.44807414298754 1.44807391115667 1.44807437481816 1.38969367934006 0.872575399684548 2464771.698891858 0.626375318917612 97.6738062284854 11.672128647567 -5.2734273391941 4980700.81436325 T 40 CATAB v2.0g-lin.ifort 2021-May-03 21:37:36 2021-May-03 21:37
2047-Aug-19 16:53 00:01 Jupiter 1.38949513092752 1.38949500950472 1.38949525235016 1.25717119270999 0.60108165580371 2468942.203257035 1.03741507783093 209.666387675989 48.941923755991 -0.260260517369349 5935443.89255011 T 40 CATAB v2.0g-lin.ifort 2021-May-03 21:37:36 2021-May-03 21:37
2059-Jan-25 12:21 00:02 Jupiter 1.40456439226162 1.40456403319693 1.40456475132758 1.3352509014769 0.759470233030534 2473119.014275023 1.6378118314516 266.510392050548 37.5872614022463 26.8087988312992 7788951.69008999 T 40 CATAB v2.0g-lin.ifort 2021-May-03 21:37:36 2021-May-03 21:37
2070-Jun-06 13:04 00:02 Jupiter 1.49723788958489 1.49723684760459 1.49723893156892 1.67075552925469 1.28840103863832 2477269.044784207 2.45430747512365 204.899609296813 13.4069735412695 59.6459529478679 7754545.48443369 T 40 CATAB v2.0g-lin.ifort 2021-May-03 21:37:36 2021-May-03 21:37
2081-Aug-31 09:49 00:03 Jupiter 1.68634188341726 1.68634002615165 1.68634374068613 2.41175562027524 2.19362649828122 2481372.908960657 3.27441910330959 164.080502139405 2.46670542909628 -79.3832743661907 7092589.06084253 T 40 CATAB v2.0g-lin.ifort 2021-May-03 21:37:36 2021-May-03 21:37
2092-Oct-20 01:11 00:04 Jupiter 1.94478816498278 1.94478584960424 1.94479048036342 3.54443635447628 3.41935080037368 2485440.549272639 3.79129593116186 154.333240379929 6.41197005865725 -52.8873356619602 7331612.02679835 T 40 CATAB v2.0g-lin.ifort 2021-May-03 21:37:36 2021-May-03 21:37

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 ]
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