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(2019 SW1)
Classification: Apollo [NEO]          SPK-ID: 3843921
[ 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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6012931360677961 0.00069429  
a 2.19528832769637 0.0036133 au
q .8752765245627921 8.3761e-05 au
i 4.884169120681569 0.0042826 deg
node 359.8327826571865 0.00024219 deg
peri 50.58601714754619 0.0019953 deg
M 125.4295181982095 0.3062 deg
tp 2458786.564158272922
(2019-Oct-30.06415827)		 0.011487 TDB
period 1188.052901441148
3.25		 2.9332
0.008031		 d
yr
n .3030168097424852 0.00074812 deg/d
Q 3.515300130829949 0.005786 au
   Orbit Determination Parameters
   # obs. used (total)      25  
   data-arc span      2 days  
   first obs. used      2019-09-22  
   last obs. used      2019-09-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .47364  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-11 07:44:24  

Additional Information
 Earth MOID = .0026044 au 
 Jupiter MOID = 1.92246 au 
 T_jup = 3.404 
[ 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 27.30   .24842 E2020R76 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
2018-Feb-18 07:45 5_02:04 Jupiter 1.97240448836955 1.95975270527673 1.98531403697414 2.66225759204786 2.49574486880712 2458167.823033832 7324.18742518933 1379728.32638496 4147.40600480897 44.6405746452449 181280.633646176 T 3 CATAB v2.0f-lin.ifort 2020-Sep-11 07:44:40 2020-Sep-11 07:44
2019-Sep-24 10:52 < 00:01 Earth 0.00770621057896273 0.00768255651873583 0.00772986402676264 12.7074282657507 12.6801899957437 2458750.952514485 0.0528955816735887 1174.52099185398 7.886346645133 -0.292630174529096 681.237417160975 T 3 CATAB v2.0f-lin.ifort 2020-Sep-11 07:44:40 2020-Sep-11 07:44
2019-Sep-24 15:58 00:01 Moon 0.00661318956434288 0.00659002622463221 0.00663635355792802 12.2163965236735 12.2159908546099 2458751.165589581 1.04237189211474 1159.72402836546 9.52409962869888 -5.16792517511696 8809.55646863363 T 3 CATAB v2.0f-lin.ifort 2020-Sep-11 07:44:40 2020-Sep-11 07:44
2023-May-25 01:00 8_04:25 Mars 0.0704730551960034 0.00641311618338642 0.181975229335685 13.6705769889033 13.6702798216417 2460089.541585090 11784.601805308 5569139.53070354 505.201844983259 5.22857365718859 1917.1548656613 T 3 CATAB v2.0f-lin.ifort 2020-Sep-11 07:44:40 2020-Sep-11 07:44
2059-Jan-06 16:31 9_23:24 Earth 0.12340882444268 0.08326642380705 0.223160437157901 14.9939782211216 14.9925381958258 2473100.187950021 14363.73126806 5782564.2977016 143.256956053511 -42.4387863651121 64694.0078624332 T 3 CATAB v2.0f-lin.ifort 2020-Sep-11 07:44:40 2020-Sep-11 07:44
2072-Jan-23 14:29 9_12:17 Earth 0.372438497264233 0.19573823223544 0.55490830707471 23.1932035410066 23.1928950802357 2477865.103792711 13697.3587035518 9249821.7969589 536.246520911738 -12.6744867637501 20116.8809445675 T 3 CATAB v2.0f-lin.ifort 2020-Sep-11 07:44:40 2020-Sep-11 07:44
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