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(2019 UB8)
Classification: Apollo [NEO]          SPK-ID: 3883103
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4484706221643746 0.00020054  
a 1.533079620288572 0.00048716 au
q .8455384491502331 3.8774e-05 au
i .2056524095788149 0.00065833 deg
node 54.72545198319365 0.073251 deg
peri 39.31807279461943 0.074702 deg
M 89.1222885923068 0.039566 deg
tp 2458828.855725188637
(2019-Dec-11.35572519)
0.005613 TDB
period 693.3387809951823
1.90
0.33048
0.0009048
d
yr
n .5192266895604408 0.00024749 deg/d
Q 2.220620791426911 0.00070564 au
  Orbit Determination Parameters
   # obs. used (total)      56  
   data-arc span      3 days  
   first obs. used      2019-10-25  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .35572  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Oct-29 06:40:14  

Additional Information
 Earth MOID = .00114814 au 
 Jupiter MOID = 2.98826 au 
 T_jup = 4.364 
[ 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 29.0   .38457 MPO502127 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
1959-Oct-20 06:06 9_04:07 Mars 0.0161045223863503 0.014820566765695 0.217078944958263 12.6065071486117 12.605096925413 2436861.754014037 13206.9282414632 10485489.3306965 23.7644463605869 -66.9715006046749 95145.336749977 T 5 CATAB v2.0f-lin.ifort 2019-Oct-29 06:40:17 2019-Oct-29 06:40
1967-Mar-29 10:14 16:32 Venus 0.13442777310727 0.123071024256904 0.146355147087534 4.36372264242314 4.36001918690785 2439578.926352596 992.219436658738 726728.80287723 79.8408278583033 -36.8710100737754 324550.756591513 T 5 CATAB v2.0f-lin.ifort 2019-Oct-29 06:40:17 2019-Oct-29 06:40
1975-Mar-06 11:56 8_02:43 Earth 0.2209120605328 0.0776202694367971 0.364311982008468 17.0338100211596 17.0331019283932 2442477.997160960 11682.5881194379 7152232.40828199 106.360658373155 1.5556333675012 7510.58252468787 T 5 CATAB v2.0f-lin.ifort 2019-Oct-29 06:40:17 2019-Oct-29 06:40
2014-Mar-16 19:10 2_09:15 Earth 0.408673564355706 0.362378651306645 0.454970555596978 22.6609895791589 22.6607018660188 2456733.298264247 3434.5123537001 2309049.31214061 114.742474112725 1.17132627793415 9834.92593255468 T 5 CATAB v2.0f-lin.ifort 2019-Oct-29 06:40:17 2019-Oct-29 06:40
2016-Feb-27 11:37 2_11:09 Earth 0.101388761624936 0.0675119484734234 0.135305605138195 13.4245451894693 13.4225874512225 2457445.983949657 3548.66693752169 1693281.15728563 99.6742122596345 3.27280671899558 7920.66706393175 T 5 CATAB v2.0f-lin.ifort 2019-Oct-29 06:40:17 2019-Oct-29 06:40
2018-Jan-05 10:11 4_10:14 Earth 0.127212127406552 0.123545867665052 0.130879020168827 8.55446269343637 8.55201389370148 2458123.924234121 6374.13141379515 183384.261121512 86.922056061587 -4.58955437466859 13937.9597677973 T 5 CATAB v2.0f-lin.ifort 2019-Oct-29 06:40:17 2019-Oct-29 06:40
2019-Oct-29 06:30 < 00:01 Earth 0.00127365203221462 0.0012719370011614 0.00127536691091121 10.5753514659742 10.3756474376142 2458785.770833866 0.239692278050177 82.5871369255017 1.84455290395914 -0.842968824247849 1479.70204559003 T 5 CATAB v2.0f-lin.ifort 2019-Oct-29 06:40:17 2019-Oct-29 06:40
2019-Oct-29 13:40 < 00:01 Moon 0.00244873166681987 0.00244720567147372 0.00245025814860702 11.1282863220284 11.1270835792654 2458786.069331711 0.480747192548846 93.6336725467765 4.96588521658266 -35.7162713450728 44310.5890392804 T 5 CATAB v2.0f-lin.ifort 2019-Oct-29 06:40:17 2019-Oct-29 06:40
2027-Jul-14 10:48 11:16 Venus 0.128087261926725 0.118977205954469 0.137672099187248 4.25907176868553 4.25508931130364 2461600.950293666 675.688356466898 607261.885434492 80.1191241307143 -39.792753294871 474050.209493253 T 5 CATAB v2.0f-lin.ifort 2019-Oct-29 06:40:17 2019-Oct-29 06:40
2038-Oct-23 12:01 3_19:20 Earth 0.0632634784895793 0.00344649159638749 0.123213653192736 12.2801252299649 12.2766950480484 2465720.000451923 5480.02870270069 2989653.52662873 4.95216816084167 1.16042830197356 36346.9378646125 T 5 CATAB v2.0f-lin.ifort 2019-Oct-29 06:40:17 2019-Oct-29 06:40

Alternate Designations
 2019 UB8 = 2019 US8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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