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(2020 WY4)
Classification: Apollo [NEO]          SPK-ID: 54095180
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459178.5 (2020-Nov-25.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6055327546603487 0.0010818  
a 1.991913491428437 0.0048957 au
q .7857446279186627 0.00022371 au
i 9.788645061727438 0.012999 deg
node 242.1857245950756 0.00078571 deg
peri 117.1733813452086 0.00087047 deg
M 14.70339227906577 0.062567 deg
tp 2459136.560892897519
(2020-Oct-14.06089290)
0.023856 TDB
period 1026.843212119786
2.81
3.7857
0.01036
d
yr
n .3505890634041648 0.0012925 deg/d
Q 3.198082354938212 0.0078602 au
  Orbit Determination Parameters
   # obs. used (total)      17  
   data-arc span      1 day  
   first obs. used      2020-11-25  
   last obs. used      2020-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .58598  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-26 08:12:03  

Additional Information
 Earth MOID = .000413418 au 
 Jupiter MOID = 2.37214 au 
 T_jup = 3.583 
[ 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 28.9   .40046 E2020-WH5 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
1908-Nov-14 16:28 3_15:14 Earth 0.0906749142563518 0.0790112870730744 0.102426841579979 13.5647975046121 13.5626310650882 2418260.186091891 5233.71255864074 600635.210287853 62.2077376373169 -13.4557604602508 87263.6031151042 T 1 CATAB v2.0f-lin.ifort 2020-Nov-26 08:12:04 2020-Nov-26 08:12
2020-Nov-24 03:19 00:04 Earth 0.000746239362912797 0.000744166487476928 0.000748311946815094 16.2132013618063 15.9914606418426 2459177.638535949 3.94763272927112 100.745463176969 8.40634366741779 1.94029943365465 752.045635133513 T 1 CATAB v2.0f-lin.ifort 2020-Nov-26 08:12:04 2020-Nov-26 08:12
2020-Nov-24 04:45 00:04 Moon 0.003272378196193 0.00327051540687332 0.00327424128029275 15.2742416696318 15.273585969992 2459177.697886672 3.81571982122503 105.432494411842 17.2788129646607 -28.6818586641485 9400.92912024423 T 1 CATAB v2.0f-lin.ifort 2020-Nov-26 08:12:04 2020-Nov-26 08:12
2023-Jun-18 23:48 9_11:33 Earth 0.43638546253903 0.262569106316222 0.620796603108597 27.6870086401637 27.6867881101138 2460114.492008096 13653.4364245978 9557266.93075674 562.342507227862 -18.9361701505358 36136.6464042036 T 1 CATAB v2.0f-lin.ifort 2020-Nov-26 08:12:04 2020-Nov-26 08:12
2051-Jun-28 12:49 3_18:32 Earth 0.263461181491869 0.190144612436562 0.344503531461032 22.3198754740355 22.3194223591155 2470351.033764721 5432.29305195351 4462117.11622959 460.717304460505 -28.9379367822685 38981.2262924197 T 1 CATAB v2.0f-lin.ifort 2020-Nov-26 08:12:04 2020-Nov-26 08:12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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