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523656 (2011 WO4)
Classification: Apollo [NEO, PHA]          SPK-ID: 2523656
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4973467141064071 1.3995e-07  
a 1.737576323832772 4.7704e-08 au
q .8733984486654526 2.2208e-07 au
i 60.92901793164684 2.2317e-05 deg
node 225.1845433334206 7.721e-06 deg
peri 236.0142266422464 2.7352e-05 deg
M 238.1180034682973 5.8783e-05 deg
tp 2459283.737870959051
(2021-Mar-10.23787096)
0.00014805 TDB
period 836.5930690898736
2.29
3.4452e-05
9.432e-08
d
yr
n .4303167373734552 1.7721e-08 deg/d
Q 2.601754199000092 7.1429e-08 au
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      2732 days (7.48 yr)  
   first obs. used      2011-11-17  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .28855  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-13 07:43:10  

Additional Information
 Earth MOID = .0309395 au 
 Jupiter MOID = 3.34204 au 
 T_jup = 3.482 
[ 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 19.3   n/a MPO473044  

523656 (2011 WO4)          Discovered 2011-Nov-17 by LINEAR at Socorro
Reference: Last Updated: 2018-10-01

[ 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
1908-Nov-03 18:24 00:06 Earth 0.106382221953775 0.106279096573961 0.106485424562613 34.795380317757 34.7946604939531 2418249.266717908 6.36729190261867 6847.99836419175 27.658779731848 41.3040966536129 377190.750624737 T 28 CATAB v2.0e-lin.ifort 2019-May-13 07:44:26 2019-May-13 07:45
1924-Nov-10 23:53 00:06 Earth 0.100808316851494 0.100708055155502 0.100908680927513 32.9766588596908 32.9758573392184 2424100.495449799 5.82430031968542 7119.49498210451 28.8815661602543 -45.3639373323696 372931.726907953 T 28 CATAB v2.0e-lin.ifort 2019-May-13 07:44:26 2019-May-13 07:45
1940-Nov-18 09:27 00:04 Earth 0.300892590812248 0.300805152447461 0.300980038764788 31.8256043194827 31.8253260752941 2429951.893709840 4.33656354273348 5117.41216799772 47.0631806810639 -31.5629710171981 499411.115041562 T 28 CATAB v2.0e-lin.ifort 2019-May-13 07:44:26 2019-May-13 07:45
1947-Oct-21 15:02 00:05 Earth 0.434334167922654 0.434260658171981 0.43440767943015 39.755064165499 39.7549098545488 2432480.126221925 4.66140426087595 3915.98795670512 50.6177722703805 20.5986999628292 443749.215688038 T 28 CATAB v2.0e-lin.ifort 2019-May-13 07:44:26 2019-May-13 07:45
1963-Oct-30 08:03 00:03 Earth 0.230166856111144 0.230117089895075 0.230216625758628 36.541947849195 36.5416310531434 2438332.835395623 2.99945006553911 2850.16348928019 40.6489840968565 29.4597606607414 411429.321322669 T 28 CATAB v2.0e-lin.ifort 2019-May-13 07:44:26 2019-May-13 07:45
1979-Nov-07 16:34 00:01 Earth 0.0397402371143066 0.0397300400375114 0.0397504495081875 34.0291962136646 34.0272258663555 2444185.190622516 1.24012078075508 1332.62866712422 23.5559805918994 67.5732105785827 233100.021247288 T 28 CATAB v2.0e-lin.ifort 2019-May-13 07:44:26 2019-May-13 07:45
1995-Nov-14 10:18 < 00:01 Earth 0.162198099419434 0.162186570404495 0.162209629027368 32.5744942976793 32.573989993839 2450035.929441261 0.615796528198801 755.349886288313 34.1840241963776 -40.4860201755391 462635.294157383 T 28 CATAB v2.0e-lin.ifort 2019-May-13 07:44:26 2019-May-13 07:45
2011-Nov-21 02:39 < 00:01 Earth 0.346527542872563 0.346526565690187 0.34652852005553 31.748033284507 31.7477910927114 2455886.610407425 0.0426782787815047 67.2008727280003 42.6023538226822 -62.92697243088 1150649.12569516 T 28 CATAB v2.0e-lin.ifort 2019-May-13 07:44:26 2019-May-13 07:45
2018-Oct-22 20:32 < 00:01 Earth 0.397976490216336 0.397971636225889 0.39798134421228 39.2638562136236 39.2636856984892 2458414.355844863 0.29639518346631 253.530201190435 50.7757185840975 17.6787099258592 414868.341121767 T 28 CATAB v2.0e-lin.ifort 2019-May-13 07:44:26 2019-May-13 07:45
2034-Oct-30 19:15 < 00:01 Earth 0.212163596127226 0.212147559434916 0.212179633126901 36.4143544636065 36.4140095812876 2464266.301969137 0.962073090502418 895.592050301167 40.6147604379733 26.7873347679077 349777.274028961 T 28 CATAB v2.0e-lin.ifort 2019-May-13 07:44:26 2019-May-13 07:45
2050-Nov-07 07:38 00:02 Earth 0.0366605919158881 0.0366421372592205 0.036679063597755 34.1858423487313 34.1837162662766 2470117.818155778 1.52971666954968 1549.46070917752 23.868944159499 53.55392815831 184541.736637629 T 28 CATAB v2.0e-lin.ifort 2019-May-13 07:44:26 2019-May-13 07:45
2066-Nov-12 16:28 00:02 Earth 0.115350269917607 0.115311286826356 0.115389261791456 32.9744691681774 32.9737686481727 2475967.186240241 2.18207316600298 2509.88324965335 30.5138979529509 -39.2348636748149 359049.34968058 T 28 CATAB v2.0e-lin.ifort 2019-May-13 07:44:26 2019-May-13 07:45
2082-Nov-18 11:13 00:02 Earth 0.268235853286304 0.268190185999668 0.268281523303711 32.0735592778716 32.0732495712651 2481816.967182672 2.38784835022815 2647.32083586244 45.3873801485598 -30.6622455519364 450425.228503014 T 28 CATAB v2.0e-lin.ifort 2019-May-13 07:44:26 2019-May-13 07:45
2089-Oct-18 14:32 00:03 Earth 0.484606022591961 0.484561372848132 0.484650672646655 40.9204491735504 40.9203148092577 2484343.105884660 2.91313717665899 2309.14911986985 53.1888877436115 15.3792303593072 356476.068135168 T 28 CATAB v2.0e-lin.ifort 2019-May-13 07:44:26 2019-May-13 07:45
2098-Nov-24 08:39 00:02 Earth 0.433492752007309 0.433443377967727 0.433542126797414 31.6646748934454 31.6644807794654 2487666.860184996 2.4337495124615 2621.33324339715 57.2601163703754 -20.0780262167787 387572.063681906 T 28 CATAB v2.0e-lin.ifort 2019-May-13 07:44:26 2019-May-13 07:45
2105-Oct-26 13:58 00:03 Earth 0.327159994678917 0.327110755015252 0.327209235328497 38.2586597641666 38.2584468896767 2490194.081604850 3.08622515709808 2613.69675401797 48.3957459902508 20.0463328135457 342263.988644189 T 28 CATAB v2.0e-lin.ifort 2019-May-13 07:44:26 2019-May-13 07:45
2121-Nov-02 10:19 00:03 Earth 0.166725913259632 0.166674649629727 0.166777180706015 35.9450459938406 35.9446013903234 2496044.929608521 3.09453674129913 2849.1804691553 38.3106440086562 26.2048125570117 285062.833717332 T 28 CATAB v2.0e-lin.ifort 2019-May-13 07:44:26 2019-May-13 07:45
2137-Nov-08 10:09 00:03 Earth 0.0259585932079156 0.0259212873591386 0.0259959552909899 34.2509329250377 34.2479359867551 2501894.923146432 2.80303509625489 2663.9692890615 24.7400671798288 45.6683860272919 112017.819340107 T 28 CATAB v2.0e-lin.ifort 2019-May-13 07:44:26 2019-May-13 07:45
2153-Nov-11 11:01 < 00:01 Earth 0.0576395720986229 0.0576283607465575 0.0576507843375362 33.5322739586636 33.530895361024 2507741.959151043 0.659547106317503 663.293172243283 25.5075868381158 -32.5798045068351 182824.443417664 T 28 CATAB v2.0e-lin.ifort 2019-May-13 07:44:26 2019-May-13 07:45
2169-Nov-16 03:57 00:02 Earth 0.176416681342208 0.176383481064333 0.176449884973158 32.6279691218402 32.6275062233687 2513590.664504089 1.82885408430972 2052.53531802339 38.1597578935385 -36.2387076287041 409767.235364039 T 28 CATAB v2.0e-lin.ifort 2019-May-13 07:44:26 2019-May-13 07:45
2185-Nov-21 02:10 00:04 Earth 0.305163318584201 0.305088001489072 0.305238640338434 32.0187688479925 32.0184961529465 2519439.590364777 3.99949621508392 4200.32193300254 50.4514196370543 -26.5977522788735 404593.542733063 T 28 CATAB v2.0e-lin.ifort 2019-May-13 07:44:26 2019-May-13 07:45
2192-Oct-20 03:38 00:06 Earth 0.46230011157778 0.462213237376936 0.462386986786728 40.7183953158372 40.7182537695576 2521964.651260739 5.75134757114298 4463.85971414817 52.7588699048145 13.9574196762998 311142.901085093 T 28 CATAB v2.0e-lin.ifort 2019-May-13 07:44:26 2019-May-13 07:45
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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