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(2020 UQ)
Classification: Apollo [NEO]          SPK-ID: 54073361
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 2459139.5 (2020-Oct-17.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .514103733011641 0.00085012  
a 1.253580362675863 0.0013319 au
q .6091100185941152 0.00041858 au
i 5.749048604470418 0.011177 deg
node 199.7391606547362 0.0017623 deg
peri 285.7545836336827 0.0022616 deg
M 318.2786791335883 0.096982 deg
tp 2459198.913104485972
(2020-Dec-15.41310449)
0.043419 TDB
period 512.6567704659894
1.40
0.81704
0.002237
d
yr
n .7022242185015346 0.0011192 deg/d
Q 1.898050706757612 0.0020167 au
  Orbit Determination Parameters
   # obs. used (total)      27  
   data-arc span      2 days  
   first obs. used      2020-10-16  
   last obs. used      2020-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .50305  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-18 00:12:23  

Additional Information
 Earth MOID = .0128049 au 
 Jupiter MOID = 3.19938 au 
 T_jup = 4.989 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 7.226993440349416E-7 -3.558091971956074E-7 -3.691148083626737E-5 1.47355671480233E-6 -1.683656659303118E-6 9.4896119256593E-6
q -3.558091971956074E-7 1.75205036807007E-7 1.817212581263213E-5 -7.239217138798262E-7 8.231465569475752E-7 -4.669201910908472E-6
tp -3.691148083626737E-5 1.817212581263213E-5 .001885249695596483 -7.529338501329438E-5 8.612072131364039E-5 -.0004847353782264718
node 1.47355671480233E-6 -7.239217138798262E-7 -7.529338501329438E-5 3.10585882895629E-6 -3.76415163368934E-6 1.953073277172845E-5
peri -1.683656659303118E-6 8.231465569475752E-7 8.612072131364039E-5 -3.76415163368934E-6 5.114693379600621E-6 -2.270957595023757E-5
i 9.4896119256593E-6 -4.669201910908472E-6 -.0004847353782264718 1.953073277172845E-5 -2.270957595023757E-5 .0001249354355532551

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 26.89   .36914 E2020U88 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
2013-Oct-14 05:32 9_09:03 Earth 0.129632503779677 0.0126468378099538 0.327398861957878 19.4021096587411 19.4010502553724 2456579.730752091 13503.4316482126 9880406.1282497 86.9937414014161 5.6033128390274 21673.0891570669 T 1 CATAB v2.0f-lin.ifort 2020-Oct-18 00:12:24 2020-Oct-18 00:12
2019-Jun-23 21:00 2_20:15 Venus 0.0835710584163312 0.0484324405136838 0.128539036265611 18.2205886714942 18.2191625135157 2458658.374793912 4094.94013455034 2468196.56791178 801.357187384572 31.0447727855365 7947.39892039293 T 1 CATAB v2.0f-lin.ifort 2020-Oct-18 00:12:24 2020-Oct-18 00:12
2020-Sep-04 07:19 06:55 Mars 0.0935531251859713 0.093354248790062 0.093753816774307 14.2735405149321 14.2733261175705 2459096.805051180 414.859407638225 22887.1721988824 732.460513338029 64.2542644976499 16289.0747927683 T 1 CATAB v2.0f-lin.ifort 2020-Oct-18 00:12:24 2020-Oct-18 00:12
2020-Oct-20 01:17 < 00:01 Earth 0.0131054458001887 0.0130362086535661 0.0131746817325613 15.6948125465594 15.6818531803403 2459142.553769648 0.307159883670609 3446.80625156829 13.7333048815054 -0.163061043730802 423.563911604122 T 1 CATAB v2.0f-lin.ifort 2020-Oct-18 00:12:24 2020-Oct-18 00:12
2025-Mar-28 15:37 8_09:52 Venus 0.0765257882993528 0.0589987030735211 0.200483373227271 17.1164732849951 17.1148153485406 2460763.150436797 12111.6101031029 7125063.18678898 795.503154565175 50.4626883858948 11450.9805290783 T 1 CATAB v2.0f-lin.ifort 2020-Oct-18 00:12:24 2020-Oct-18 00:12
2098-Apr-22 15:12 1_08:28 Earth 0.181392038328195 0.147321699736466 0.21560249667594 10.5719450601854 10.570555530658 2487451.133311039 1947.50564616188 1720911.61505736 423.08433372039 8.20608381644301 12391.3509915391 T 1 CATAB v2.0f-lin.ifort 2020-Oct-18 00:12:24 2020-Oct-18 00:12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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