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4454 Kumiko (1988 VW)
Classification: Main-belt Asteroid          SPK-ID: 2004454
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09519843945456291 3.7652e-08  
a 3.197467156511398 1.6901e-08 au
q 2.893073273004294 1.2718e-07 au
i .7065758230445117 3.5168e-06 deg
node 277.0721782352646 0.00030961 deg
peri 125.2324579080013 0.00031029 deg
M 262.2199555321228 2.3328e-05 deg
tp 2459963.724909987223
(2023-Jan-19.22490999)
0.00013822 TDB
period 2088.370574043711
5.72
1.6557e-05
4.533e-08
d
yr
n .1723831988797526 1.3667e-09 deg/d
Q 3.501861040018501 1.8509e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2466  
   data-arc span      24784 days (67.85 yr)  
   first obs. used      1953-10-01  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49223  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 10:31:51  

Additional Information
 Earth MOID = 1.90105 au 
 Jupiter MOID = 1.86582 au 
 T_jup = 3.188 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456880.5 (2014-Aug-11.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .097118797329576 3.7357e-08  
q 2.88294118271378 1.256e-07 au
tp 2457886.683942311727
(2017-May-13.18394231)
0.00012653 TDB
node 277.1169629389876 0.00030917 deg
peri 126.7738117776626 0.00030983 deg
i .7077589819558903 3.5197e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2466  
   data-arc span      24784 days (67.85 yr)  
   first obs. used      1953-10-01  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49223  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 10:31:51  

Additional Information
 Jupiter MOID = 1.86582 au 
 T_jup = 3.188 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.395576585593204E-15 -4.661004911171291E-15 -1.005309850666596E-12 -1.362031663114669E-15 -1.567196184713049E-13 1.175932428034707E-16
q -4.661004911171291E-15 1.577504384342325E-14 4.286057473414673E-12 1.358765158329317E-14 6.507741397941314E-13 -3.944357727283526E-16
tp -1.005309850666596E-12 4.286057473414673E-12 1.601028262099051E-8 1.367452238267286E-11 2.580668801030998E-9 3.941619186506486E-14
node -1.362031663114669E-15 1.358765158329317E-14 1.367452238267286E-11 9.558467874410354E-8 -9.55749968176387E-8 -1.506611527570083E-10
peri -1.567196184713049E-13 6.507741397941314E-13 2.580668801030998E-9 -9.55749968176387E-8 9.599386464829329E-8 1.506564676794538E-10
i 1.175932428034707E-16 -3.944357727283526E-16 3.941619186506486E-14 -1.506611527570083E-10 1.506564676794538E-10 1.238840626412903E-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 12.95   n/a MPO636131  
diameter diameter 13.051 km 0.218 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.079   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4454 Kumiko (1988 VW)          Discovered 1988-Nov-02 by Ueda and Kaneda at Kushiro
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
1900-Jul-24 11:03 00:02 Jupiter 1.939220304381 1.9392199307533 1.93922067800882 3.00505902655596 2.85601288114415 2415224.960693184 2.47495226189467 57.4745424663099 11.4834551651153 79.8753458773489 4504042.08229582 T 33 CATAB v2.0g-lin.ifort 2021-Aug-25 10:32:23 2021-Aug-25 10:32
1911-Sep-01 17:36 00:02 Jupiter 1.98379678039407 1.98379629686039 1.98379726392809 3.01757759750145 2.8726005205397 2419281.233478196 2.14359247372023 72.1949460808133 12.2272564176228 79.2163954671572 4047234.70718224 T 33 CATAB v2.0g-lin.ifort 2021-Aug-25 10:32:23 2021-Aug-25 10:32
2022-Apr-19 13:20 < 00:01 Jupiter 1.97369093522607 1.97369053341946 1.97369133703257 4.02614614472382 3.91810407703669 2459689.055318237 0.268853463080403 33.902939338063 16.5392574549079 -81.4478324501449 4176606.33161874 T 33 CATAB v2.0g-lin.ifort 2021-Aug-25 10:32:23 2021-Aug-25 10:32
2033-Apr-28 18:32 < 00:01 Jupiter 1.92009171186569 1.92009135084757 1.92009207288381 3.56857767004085 3.44274216497999 2463716.272141679 0.49391509440489 38.338737557342 13.8211934920644 -82.4908547249674 4572920.72447793 T 33 CATAB v2.0g-lin.ifort 2021-Aug-25 10:32:23 2021-Aug-25 10:32
2044-May-15 10:03 < 00:01 Jupiter 1.89779366108745 1.89779333489494 1.89779398727996 3.22908382689043 3.08777317131129 2467750.919076552 0.750207979550626 37.9175791433654 12.3422002324215 -86.0845628900108 4930886.63787146 T 33 CATAB v2.0g-lin.ifort 2021-Aug-25 10:32:23 2021-Aug-25 10:32
2055-Jun-12 03:00 00:01 Jupiter 1.9051063722913 1.90510603699012 1.90510670759238 3.03278127171672 2.88245544900276 2471795.625286224 1.0187300659946 36.3163630771475 12.4270569410363 86.4359437036273 4685274.19567789 T 33 CATAB v2.0g-lin.ifort 2021-Aug-25 10:32:23 2021-Aug-25 10:32
2066-Jul-15 20:21 00:01 Jupiter 1.94164442918504 1.94164404543768 1.9416448129324 2.98312981217062 2.83312264905413 2475847.348026944 1.29338175236471 42.2710438946761 12.4506590675474 79.9289143001842 4194133.07112163 T 33 CATAB v2.0g-lin.ifort 2021-Aug-25 10:32:23 2021-Aug-25 10:32
2188-Apr-03 16:40 00:04 Jupiter 1.92895392551442 1.92895337833298 1.92895447269969 3.76434809026792 3.64583282780134 2520304.194725683 4.29937209179719 193.182214849481 15.2636664305001 85.9732050563587 4182038.73971549 T 33 CATAB v2.0g-lin.ifort 2021-Aug-25 10:32:23 2021-Aug-25 10:32
2199-Apr-16 05:47 00:04 Jupiter 1.87698995789119 1.87698961089983 1.87699030488297 3.32591123932636 3.18734258610933 2524333.741197938 4.4662290460929 137.043773296595 11.8096861431617 -89.5894895595464 4290847.12487873 T 33 CATAB v2.0g-lin.ifort 2021-Aug-25 10:32:23 2021-Aug-25 10:32

Alternate Designations
 1988 VW = 1976 SP6 = 1982 ST11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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