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JPL Small-Body Database Browser
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100387 (1995 WJ4)
Classification: Main-belt Asteroid          SPK-ID: 2100387
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1668713923573217 4.7354e-08  
a 2.994038205122468 2.1768e-08 au
q 2.494418881062666 1.3631e-07 au
i 8.433133855816362 5.3434e-06 deg
node 75.47201459984318 3.8635e-05 deg
peri 15.6490610879879 4.3298e-05 deg
M 246.4336543042634 1.805e-05 deg
tp 2459597.441241156122
(2022-Jan-17.94124116)
9.6225e-05 TDB
period 1892.275792618653
5.18
2.0637e-05
5.65e-08
d
yr
n .1902471095409453 2.0748e-09 deg/d
Q 3.493657529182271 2.5401e-08 au
  Orbit Determination Parameters
   # obs. used (total)      712  
   data-arc span      8269 days (22.64 yr)  
   first obs. used      1995-11-20  
   last obs. used      2018-07-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53961  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 03:56:57  

Additional Information
 Earth MOID = 1.51211 au 
 Jupiter MOID = 1.73713 au 
 T_jup = 3.218 
[ 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 14.6   n/a MPO264055  
diameter diameter 6.036 km 0.262 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.092   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100387 (1995 WJ4)          Discovered 1995-Nov-20 by Kobayashi, T. at Oizumi
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
1936-Jun-21 08:27 00:02 Jupiter 1.81022305808503 1.81022233701013 1.81022377915982 2.44979733864566 2.25070785447875 2428340.851793359 2.38487308271989 134.540298157598 28.280990145499 88.937454990472 1909774.90201389 T 14 CATAB v2.0e-lin.ifort 2018-Oct-04 03:57:02 2018-Dec-17 17:48
1973-May-10 02:15 00:01 Jupiter 1.7648308560177 1.7648301901299 1.76483152190722 2.04485852831203 1.79486922295346 2441812.593862115 1.28770453113188 122.069608055573 27.1651660866099 77.1870181096714 1931669.06548443 T 14 CATAB v2.0e-lin.ifort 2018-Oct-04 03:57:02 2018-Dec-17 17:48
2010-Apr-20 03:11 < 00:01 Jupiter 1.99260724063011 1.9926065578663 1.99260792339381 3.04029955823643 2.89711172639044 2455306.632847467 0.3218922454961 57.6475552568523 19.9234125929407 78.8389855840564 1922969.82802247 T 14 CATAB v2.0e-lin.ifort 2018-Oct-04 03:57:02 2018-Dec-17 17:48
2019-Feb-13 10:16 < 00:01 Jupiter 1.89506818236669 1.8950675239573 1.89506884077661 2.64626354638925 2.47159619651352 2458527.927892942 0.417168419975375 118.606050836537 18.0546679333342 81.3389368995467 1957041.36130484 T 14 CATAB v2.0e-lin.ifort 2018-Oct-04 03:57:02 2018-Dec-17 17:48
2055-Dec-28 13:01 00:01 Jupiter 1.74280563533675 1.7428051359174 1.74280613475618 2.08718347797233 1.83965026381406 2471995.042101672 1.48713924712882 126.960039891559 27.2944261173949 77.5450814651077 1826266.10660506 T 14 CATAB v2.0e-lin.ifort 2018-Oct-04 03:57:02 2018-Dec-17 17:48
2092-Dec-07 02:02 00:03 Jupiter 1.89615156121252 1.8961503558098 1.8961527666175 2.41590525410483 2.22332767430989 2485488.585038622 2.82011121626001 151.646176945739 14.0135624343788 86.2026758181947 1524025.93564635 T 14 CATAB v2.0e-lin.ifort 2018-Oct-04 03:57:02 2018-Dec-17 17:48
2138-Aug-21 18:21 00:04 Jupiter 1.75281312034914 1.7528121136413 1.75281412706026 2.2075417596252 1.97655470187846 2502181.264675448 4.07294868717905 213.813662272466 27.007962066836 86.7082987771298 1632046.18375147 T 14 CATAB v2.0e-lin.ifort 2018-Oct-04 03:57:02 2018-Dec-17 17:48
2175-Jul-24 06:10 00:06 Jupiter 1.81448313233699 1.81448151277037 1.81448475192279 2.00830373519819 1.76058509460782 2515666.757136511 5.62023950174941 351.876413940376 28.9370342158437 -89.7990927684598 1736216.98741429 T 14 CATAB v2.0e-lin.ifort 2018-Oct-04 03:57:02 2018-Dec-17 17:48

Alternate Designations
 1995 WJ4 = 2000 UH24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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