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(2020 WH)
Classification: Apollo [NEO]          SPK-ID: 54088807
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459170.5 (2020-Nov-17.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2618477484358001 0.00066639  
a 1.121363488057719 0.0008138 au
q .8277369835316902 0.00014715 au
i 19.82041986861435 0.044175 deg
node 233.5147941904915 0.0022483 deg
peri 257.9053402438026 0.050894 deg
M 310.2254230675444 0.10731 deg
tp 2459230.468490940927
(2021-Jan-15.96849094)
0.064006 TDB
period 433.7285833293904
1.19
0.47215
0.001293
d
yr
n .8300121639126604 0.00090353 deg/d
Q 1.414989992583748 0.0010269 au
  Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      1 day  
   first obs. used      2020-11-16  
   last obs. used      2020-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .34841  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-17 13:42:03  

Additional Information
 Earth MOID = .000919585 au 
 Jupiter MOID = 3.74005 au 
 T_jup = 5.483 
[ 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 25.191   .34926 1 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
2009-May-17 05:58 8_22:56 Earth 0.353435754994065 0.135985120370854 0.581030036133442 19.9682101873291 19.9678326439656 2454968.748674529 12896.228037334 11493760.4564838 1028.22657745605 11.6905990664427 10386.1452899201 T 1 CATAB v2.0f-lin.ifort 2020-Nov-17 13:42:03 2020-Nov-17 13:42
2015-May-07 16:09 1_06:38 Earth 0.123454783391748 0.0753872979786609 0.230931938213745 10.901377378923 10.8993973911769 2457150.172725582 1838.07339212084 6010434.44600383 1963.93332195118 -37.6526966264254 7739.64571478676 T 1 CATAB v2.0f-lin.ifort 2020-Nov-17 13:42:03 2020-Nov-17 13:42
2020-Nov-16 13:43 < 00:01 Earth 0.0169406386751228 0.0168234789322471 0.0170577952310418 12.3808404481312 12.3681301589098 2459170.071235657 0.255920888677634 5830.69097702988 179.101341802572 0.78008896141342 311.358165530609 T 1 CATAB v2.0f-lin.ifort 2020-Nov-17 13:42:03 2020-Nov-17 13:42
2021-Jun-14 19:44 20:15 Earth 0.464935900083533 0.463503769880646 0.466404517010435 9.82035720448437 9.8197736184444 2459380.322172277 1214.76731445275 219500.819858948 9638.61957403988 70.9278374027862 4178.81213565091 T 1 CATAB v2.0f-lin.ifort 2020-Nov-17 13:42:03 2020-Nov-17 13:42
2026-Oct-31 02:26 5_12:16 Earth 0.353315846192923 0.234781263845258 0.471914184141837 20.5969444532955 20.5965783106601 2461344.601713248 7936.43690075457 5917165.26873679 1038.67218007307 -2.18261211856692 1786.37736420152 T 1 CATAB v2.0f-lin.ifort 2020-Nov-17 13:42:03 2020-Nov-17 13:42
2028-May-12 12:27 4_10:31 Earth 0.241686251388456 0.116442262793973 0.376357151773366 17.0667353630052 17.0660893843384 2461904.018487239 6391.20357224312 6907748.26152155 1239.329763375 16.9788929948764 8847.27118538635 T 1 CATAB v2.0f-lin.ifort 2020-Nov-17 13:42:03 2020-Nov-17 13:42
2034-May-07 16:55 5_09:14 Earth 0.145005734004807 0.0857041237498537 0.381765274929325 10.6675976582543 10.6658750139182 2464090.204593716 7754.29881903024 12719609.5583862 1670.71561156484 -36.2479352064973 12070.2742617169 T 1 CATAB v2.0f-lin.ifort 2020-Nov-17 13:42:03 2020-Nov-17 13:42
2089-Oct-27 03:31 6_18:22 Earth 0.439189148678742 0.301221528851362 0.577158052338305 22.863383283564 22.8631179313114 2484351.646304104 9741.90589324873 6880021.28873893 1212.20093516248 0.405480912709492 343.164939161405 T 1 CATAB v2.0f-lin.ifort 2020-Nov-17 13:42:03 2020-Nov-17 13:42
2091-May-10 19:02 3_08:05 Earth 0.159849337376843 0.106451973948645 0.224730754245358 15.042795786325 15.0416876608144 2484912.292714187 4805.38224943582 3652921.69991382 2606.81531592961 33.2513804010532 5245.81822541744 T 1 CATAB v2.0f-lin.ifort 2020-Nov-17 13:42:03 2020-Nov-17 13:42
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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