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136637 (1994 WA5)
Classification: Main-belt Asteroid          SPK-ID: 2136637
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1134421827627375 5.2625e-08  
a 3.120846615340212 1.9935e-08 au
q 2.766810963228317 1.6314e-07 au
i 1.833691000073103 5.6829e-06 deg
node 46.48244810676907 0.00013277 deg
peri 146.3252085366653 0.00013423 deg
M 85.30558058045524 1.905e-05 deg
tp 2458523.320249632609
(2019-Feb-08.82024963)
0.00010655 TDB
period 2013.757001164107
5.51
1.9295e-05
5.283e-08
d
yr
n .1787703281934673 1.7129e-09 deg/d
Q 3.474882267452107 2.2196e-08 au
  Orbit Determination Parameters
   # obs. used (total)      518  
   data-arc span      9392 days (25.71 yr)  
   first obs. used      1994-11-28  
   last obs. used      2020-08-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55135  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 15:51:06  

Additional Information
 Earth MOID = 1.76652 au 
 Jupiter MOID = 1.47998 au 
 T_jup = 3.205 
[ 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 15.5   n/a MPO436673  
rotation period rot_per 5.06 h n/a LCDB (Rev. 2019-August); 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:
[Chang, C.-H.; Lin, H.-W.; Ip, W.-H.; Chen, W.-P.; et al. (2019) ArXiv:1901.08719.]

136637 (1994 WA5)          Discovered 1994-Nov-28 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ 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
1928-Sep-25 02:59 00:03 Jupiter 1.56146459632387 1.56146339897114 1.56146579367403 1.71359346031494 1.36069644073187 2425514.624100342 2.65239297993253 123.493825239215 97.1782931431978 67.2904538296817 903430.224830366 T 11 CATAB v2.0f-lin.ifort 2020-Nov-12 15:51:08 2020-Nov-12 15:51
1938-Oct-02 12:05 00:02 Jupiter 1.63423508678311 1.63423403913342 1.63423613443549 1.90756422376655 1.61313456965827 2429174.003499021 2.33298842679718 158.991819959595 23.5092961188088 83.7047162064364 2130456.91193862 T 11 CATAB v2.0f-lin.ifort 2020-Nov-12 15:51:08 2020-Nov-12 15:51
2000-Jun-14 10:36 < 00:01 Jupiter 1.67022226600438 1.67022159897624 1.67022293303204 2.08167397465477 1.82184063682502 2451709.941354292 0.562825564672708 63.7118120962574 13.7732260251841 -86.9240248783024 1596767.97121012 T 11 CATAB v2.0f-lin.ifort 2020-Nov-12 15:51:08 2020-Nov-12 15:51
2010-Jun-21 17:59 < 00:01 Jupiter 1.53204760193292 1.53204718013743 1.53204802372894 1.59823423588861 1.20358361184124 2455369.249416626 0.333113002385161 130.049412489222 83.6662882759426 67.1823150443189 1978372.18237078 T 11 CATAB v2.0f-lin.ifort 2020-Nov-12 15:51:08 2020-Nov-12 15:51
2072-Feb-27 19:43 00:02 Jupiter 1.8072300616315 1.80722904504087 1.80723107822161 2.58298233494315 2.39466631346746 2477900.321860697 1.62928600617728 43.4103433879465 24.2597604616584 -85.5280965140071 1336318.53859937 T 11 CATAB v2.0f-lin.ifort 2020-Nov-12 15:51:08 2020-Nov-12 15:51
2082-Mar-06 01:34 00:02 Jupiter 1.48788349338981 1.48788294928333 1.48788403750255 1.46827782729059 1.00860275051405 2481559.565076709 1.97693213769446 287.283093290005 165.70854952375 61.8482370368385 1648714.88772836 T 11 CATAB v2.0f-lin.ifort 2020-Nov-12 15:51:08 2020-Nov-12 15:51
2092-Mar-16 01:06 00:02 Jupiter 1.8926145039355 1.8926130273365 1.89261598053407 2.89068476565551 2.7314788101629 2485222.545533106 2.21304696347434 73.3190224160911 36.6497891182361 -59.3565620485525 1289186.28677927 T 11 CATAB v2.0f-lin.ifort 2020-Nov-12 15:51:08 2020-Nov-12 15:51
2143-Nov-07 10:12 00:04 Jupiter 1.95399177722903 1.95398952861774 1.95399402583909 3.15277817024253 3.01214937967807 2504084.924914355 3.65014963051012 83.7658038988306 42.848511793091 -11.1305361335677 736050.93058873 T 11 CATAB v2.0f-lin.ifort 2020-Nov-12 15:51:08 2020-Nov-12 15:51
2153-Nov-19 10:54 00:04 Jupiter 1.5024713838421 1.50247060222964 1.50247216545285 1.50315749317976 1.06394396521468 2507749.954352613 4.1804666986483 195.352348971037 181.728842037824 41.6258128268466 1184713.24947696 T 11 CATAB v2.0f-lin.ifort 2020-Nov-12 15:51:08 2020-Nov-12 15:51
2163-Nov-26 01:39 00:04 Jupiter 1.75571803051662 1.75571541381758 1.75572064721696 2.37966028277727 2.16746626264621 2511408.568674868 4.46838218865919 177.606468090206 16.8776570365661 -75.2648376858943 1521338.16356872 T 11 CATAB v2.0f-lin.ifort 2020-Nov-12 15:51:08 2020-Nov-12 15:51

Alternate Designations
 1994 WA5 = 2002 CZ99 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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