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11388 (1998 VU4)
Classification: Outer Main-belt Asteroid          SPK-ID: 2011388
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .120124412416898 1.3678e-08  
a 3.932033918680913 2.6799e-08 au
q 3.459700654596055 4.6701e-08 au
i 8.210992420586896 2.6642e-07 deg
node 217.2147598587653 7.8676e-06 deg
peri 278.7176590147071 1.2696e-05 deg
M 253.2626386090558 8.4401e-06 deg
tp 2460240.880649191076
(2023-Oct-23.38064919)
7.1627e-05 TDB
period 2847.897210007081
7.80
2.9115e-05
7.971e-08
d
yr
n .1264090567366737 1.2923e-09 deg/d
Q 4.404367182765771 3.0018e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2698  
   data-arc span      17069 days (46.73 yr)  
   first obs. used      1974-11-15  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44325  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 20:32:54  

Additional Information
 Earth MOID = 2.48782 au 
 Jupiter MOID = .873071 au 
 T_jup = 3.032 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457315.5 (2015-Oct-20.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1118006066841005 1.5217e-08  
q 3.509892800519148 5.4865e-08 au
tp 2457409.427849389822
(2016-Jan-21.92784939)
6.2656e-05 TDB
node 217.5383005782435 7.9133e-06 deg
peri 282.0603223713906 1.2882e-05 deg
i 8.162425707717818 2.6206e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2698  
   data-arc span      17069 days (46.73 yr)  
   first obs. used      1974-11-15  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44325  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 20:32:54  

Additional Information
 Jupiter MOID = .873071 au 
 T_jup = 3.032 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.315595427229864E-16 -7.606486331398315E-16 4.412185145427649E-13 3.305189542965562E-15 7.133289888959508E-14 3.560532477021607E-16
q -7.606486331398315E-16 3.010146918875704E-15 -1.591283704145444E-12 -1.25967888608748E-14 -2.588304715771513E-13 -1.208306193056987E-15
tp 4.412185145427649E-13 -1.591283704145444E-12 3.925742780535866E-9 -2.880293795833932E-11 6.371656545902658E-10 2.175783361112622E-12
node 3.305189542965562E-15 -1.25967888608748E-14 -2.880293795833932E-11 6.262087882236366E-11 -6.682479497927612E-11 1.286201776498311E-12
peri 7.133289888959508E-14 -2.588304715771513E-13 6.371656545902658E-10 -6.682479497927612E-11 1.659480759933702E-10 -9.960821746637139E-13
i 3.560532477021607E-16 -1.208306193056987E-15 2.175783361112622E-12 1.286201776498311E-12 -9.960821746637139E-13 6.867556157727446E-14

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 11.22   n/a MPO636238  
diameter diameter 24.602 km 0.378 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
rotation period rot_per 28.74 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Stephens, R.D. (2016) Minor Planet Bull. 43, 252-255.]
geometric albedo albedo 0.088   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

11388 (1998 VU4)          Discovered 1998-Nov-11 by Sarounova, L. at Ondrejov
Reference: 19990831/Numbers.arcLast Updated: 2004-04-19

[ 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
1921-Apr-25 17:35 00:01 Jupiter 1.82387128039922 1.82387082580883 1.82387173498982 3.77607198957142 3.65101374556806 2422805.232892723 1.42718819083833 56.5602312714003 14.7611862545102 74.2940585584375 5542920.60109606 T 43 CATAB v2.0g-lin.ifort 2021-Aug-24 20:34:28 2021-Aug-24 20:34
1945-Sep-02 21:02 00:02 Jupiter 1.78894783169733 1.78894718908314 1.78894847431243 3.88814152761733 3.76439823222345 2431701.376393497 1.67531971103034 77.5563776361877 13.4695653140189 69.3187501920996 6221953.13114204 T 43 CATAB v2.0g-lin.ifort 2021-Aug-24 20:34:28 2021-Aug-24 20:34
1969-Nov-15 04:07 00:02 Jupiter 1.73126713985747 1.73126643592783 1.731267843788 3.84582725981113 3.71643474846253 2440540.671375078 1.51566572592962 78.8260556311442 12.5498986444768 67.2702381698268 6565238.04125535 T 43 CATAB v2.0g-lin.ifort 2021-Aug-24 20:34:28 2021-Aug-24 20:34
1993-Sep-17 01:25 < 00:01 Jupiter 1.73372244024395 1.73372194543379 1.73372293505441 3.85197628838811 3.72298361625264 2449247.558876095 0.90133915546829 49.2046036088284 11.8988649987614 66.3994629991114 6848941.27917804 T 43 CATAB v2.0g-lin.ifort 2021-Aug-24 20:34:28 2021-Aug-24 20:34
2017-Feb-09 06:18 < 00:01 Jupiter 1.83012044603273 1.83012015616805 1.83012073589741 4.03486003643867 3.91847531253815 2457793.762396449 0.159735283263373 14.4429958542636 8.84932136484646 32.7303474742325 7431237.99813613 T 43 CATAB v2.0g-lin.ifort 2021-Aug-24 20:34:28 2021-Aug-24 20:34
2040-Feb-28 23:36 < 00:01 Jupiter 1.95812241623219 1.95812214934628 1.95812268311822 4.27453161903976 4.17210775485839 2466213.483257372 0.811596044732025 36.7581519074413 9.27605309675624 76.3233316167569 9502339.16524946 T 43 CATAB v2.0g-lin.ifort 2021-Aug-24 20:34:28 2021-Aug-24 20:34
2085-Dec-05 13:03 00:02 Jupiter 1.9769768559347 1.97697628371457 1.97697742815528 4.28137610208722 4.18010702067622 2482930.043502869 1.70410770898516 55.5474808582719 4.9224047071526 -61.7164278111653 16024438.6206701 T 43 CATAB v2.0g-lin.ifort 2021-Aug-24 20:34:28 2021-Aug-24 20:34
2109-Jan-03 04:31 00:02 Jupiter 1.84614089526051 1.84614001589625 1.84614177462478 4.03875910436592 3.92351385184032 2491358.688105213 1.6212722573456 47.6240246149623 3.2170812714577 -30.4591017413264 12640626.5894367 T 43 CATAB v2.0g-lin.ifort 2021-Aug-24 20:34:28 2021-Aug-24 20:34
2132-Jun-26 15:28 00:01 Jupiter 1.77146133541738 1.77146061310094 1.77146205773383 3.90629207432294 3.78190688926147 2499934.144509793 1.09782632804411 35.207848315054 3.88179425327786 -17.6651377474914 10907277.1572721 T 43 CATAB v2.0g-lin.ifort 2021-Aug-24 20:34:28 2021-Aug-24 20:34
2156-Jun-10 07:24 < 00:01 Jupiter 1.7985835247898 1.79858310863635 1.79858394094324 3.90693943997626 3.78448126855123 2508683.808450929 0.860841475516208 22.2617745282629 3.14457084594498 -31.3282205226176 9528318.9437846 T 43 CATAB v2.0g-lin.ifort 2021-Aug-24 20:34:28 2021-Aug-24 20:34
2180-Sep-25 03:41 00:01 Jupiter 1.85496534265992 1.854965020519 1.85496566480085 3.87831466696376 3.7587332674244 2517556.653190164 1.33095856324625 26.3759312552351 12.569063541907 -75.7750039546137 5004895.9561328 T 43 CATAB v2.0g-lin.ifort 2021-Aug-24 20:34:28 2021-Aug-24 20:34

Alternate Designations
 1998 VU4 = 1974 VA2 = 1982 VS3 = 1982 XG2 = 1982 XM2 = 1985 FL1 = 1990 XR = 1992 BM5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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