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(2019 WO2)
Classification: Apollo [NEO]          SPK-ID: 3893488
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4818273786509719 6.9538e-07  
a 1.917117520785755 2.5584e-06 au
q .9933978111797045 2.1945e-08 au
i 7.416594999522006 9.2142e-06 deg
node 256.8127528521483 5.2639e-06 deg
peri 188.9631384291461 1.7732e-05 deg
M 135.9845483643716 0.00027189 deg
tp 2458834.266056177777
(2019-Dec-16.76605618)
1.4736e-05 TDB
period 969.5529481976348
2.65
0.0019408
5.314e-06
d
yr
n .371305147046613 7.4327e-07 deg/d
Q 2.840837230391805 3.7911e-06 au
  Orbit Determination Parameters
   # obs. used (total)      123  
   # delay obs. used      2  
   # Doppler obs. used      1  
   data-arc span      27 days  
   first obs. used      2019-11-25  
   last obs. used      2019-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .38724  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:09:13  

Additional Information
 Earth MOID = .0117948 au 
 Jupiter MOID = 2.41718 au 
 T_jup = 3.769 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 25.2   .38041 MPO562942 autocmod 2.8

[ 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
1927-Jan-28 21:46 00:06 Earth 0.294970803345225 0.294883921761045 0.295057686387241 15.079992770451 15.0793937511469 2424909.406627643 6.41384148561248 4454.17089114882 9.5836693085476 13.4359178777196 890548.287459647 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 22:09:14 2021-Apr-15 22:09
1934-Dec-15 03:11 02:12 Earth 0.019411275678139 0.0192076943483138 0.0196157671348109 7.43452201902174 7.41603591021958 2427786.632621109 131.851516958679 12147.4401786756 2.80306886695053 -33.1141783070675 572384.016863946 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 22:09:14 2021-Apr-15 22:09
1942-Nov-19 04:39 02:52 Earth 0.095241978412145 0.0944603393781761 0.0960242604763965 9.50698137000826 9.50403824618378 2430682.693535794 171.888526212745 40899.9593636381 5.76687480423563 -17.5954116543364 644889.147294393 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 22:09:14 2021-Apr-15 22:09
1950-Oct-30 09:21 01:23 Earth 0.304391759508867 0.303580926849765 0.305202684815834 15.7492688504918 15.7487130400102 2433584.889591593 83.009466598293 41293.3172709393 8.57015457039913 -11.7119794648643 914576.012910107 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 22:09:14 2021-Apr-15 22:09
1996-Feb-07 08:56 00:03 Earth 0.403493056895091 0.403467209519834 0.403518904399775 18.5451554670973 18.5447993851291 2450120.872072116 2.84759716653585 1338.34053775834 9.39728948635846 15.6268694526049 1474296.05155248 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 22:09:14 2021-Apr-15 22:09
2004-Jan-21 00:35 00:26 Earth 0.188950740761996 0.188784315016567 0.18911718281681 11.7379269863454 11.736725567111 2453025.524215774 26.4422759453392 8748.91537771781 9.27961937344069 18.4650914926907 784528.908094214 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 22:09:14 2021-Apr-15 22:09
2011-Dec-23 13:56 01:39 Earth 0.0408679106353218 0.0406658065603252 0.041070023881139 7.55067286990947 7.54203328652229 2455919.080870932 98.5149972411179 10124.5232761439 5.17505956474109 5.56458815183209 106930.726130127 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 22:09:14 2021-Apr-15 22:09
2019-Dec-09 18:47 < 00:01 Earth 0.0122037226973089 0.0122036950837783 0.0122037503108437 7.59175138993513 7.56293742663292 2458827.282554016 0.0169006801221425 1.69806653562593 1.29978350703976 65.2972215282339 855878.563405122 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 22:09:14 2021-Apr-15 22:09
2027-Nov-10 01:01 00:39 Earth 0.185241518419323 0.184951073450095 0.185531996180598 12.2206629348472 12.2194858705836 2461719.542595336 39.1105322789114 14996.5461799996 7.36422357505804 -15.039599951818 821855.735476154 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 22:09:14 2021-Apr-15 22:09
2035-Oct-25 01:02 00:49 Earth 0.407081875870867 0.406534970314821 0.407628797804866 18.8830769389011 18.8827303123603 2464625.543272330 49.1704649124313 27574.6540040698 9.09997406964183 -8.50046845908533 855989.11473898 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 22:09:14 2021-Apr-15 22:09
2073-Feb-10 19:53 02:08 Earth 0.453773589095663 0.452325858788175 0.455221540735429 20.0295752489929 20.0292820890825 2478249.328750229 127.795420784711 73907.3322737164 10.5328031335345 12.3519337571328 1193435.01723441 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 22:09:14 2021-Apr-15 22:09
2081-Jan-25 11:15 03:23 Earth 0.231241508163877 0.229714768450693 0.232769198223431 12.9996258086094 12.9987394070345 2481154.968698353 202.727878741377 79663.2663936731 9.75110893531796 17.0786798464556 852653.452091978 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 22:09:14 2021-Apr-15 22:09
2088-Dec-27 03:14 08:11 Earth 0.053944729605959 0.0528708819184485 0.0550196915042469 7.6751999119989 7.66876184006766 2484047.634397175 491.445368936815 54954.499344525 5.97234980178681 12.9074848315246 274853.000823985 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 22:09:14 2021-Apr-15 22:09
2096-Dec-02 08:16 00:26 Earth 0.0322354080161767 0.0321717758341687 0.0322990418456125 7.9669299366381 7.95654817040169 2486944.844615980 25.7105278949183 3193.88709780373 2.63472544320421 6.65521373705884 195809.495577831 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 22:09:14 2021-Apr-15 22:09
2104-Nov-02 09:07 02:40 Earth 0.300364587569399 0.298772056034742 0.301957406790033 15.6687079980795 15.6681418392468 2489835.879570682 159.875340260408 80761.7417782204 8.47410992209596 -10.470050651188 818808.072891886 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 22:09:14 2021-Apr-15 22:09
2142-Feb-03 11:52 14:44 Earth 0.311810596929162 0.303607183313676 0.320029992633188 15.6022939250816 15.6017462277138 2503442.994617493 883.585335072861 424332.013956569 10.2712310998709 15.2130965123714 994442.300352301 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 22:09:14 2021-Apr-15 22:09
2149-Dec-29 19:29 1_23:50 Earth 0.05624572184003 0.0501323390780423 0.0624283382607617 7.72636690958728 7.72023324599372 2506329.311983495 2869.50379223746 321997.648287664 6.0980976287946 17.732277075947 380053.426074324 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 22:09:14 2021-Apr-15 22:09
2157-Nov-23 13:21 07:21 Earth 0.0869625473500157 0.0849722627414684 0.0889552297695315 9.34416181280311 9.34088224983888 2509215.056271087 441.085321644777 101885.321797931 5.55256264291489 -12.9602879279108 455836.945597727 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 22:09:14 2021-Apr-15 22:09
2165-Nov-01 02:32 09:43 Earth 0.329204281919818 0.323132203499158 0.335279441438763 16.6168549915408 16.6163679069208 2512114.605349270 582.542430625243 307002.590124464 8.62605208593726 -9.42563413698752 797984.749384274 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 22:09:14 2021-Apr-15 22:09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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