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JPL Small-Body Database Browser
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(2018 TU)
Classification: Apollo [NEO]          SPK-ID: 3831187
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4371106911359108 0.0003615  
a 1.378182466205768 0.00065233 au
q .7757641758911706 0.00013103 au
i 4.070147392511142 0.0036825 deg
node 188.340796169965 0.00029868 deg
peri 258.8118141025504 0.00027892 deg
M 216.9258134224424 0.40229 deg
tp 2459631.364453709373
(2022-Feb-20.86445371)
0.82713 TDB
period 590.9605733773701
1.62
0.41958
0.001149
d
yr
n .6091776951253811 0.00043251 deg/d
Q 1.980600756520365 0.00093748 au
  Orbit Determination Parameters
   # obs. used (total)      38  
   data-arc span      2 days  
   first obs. used      2018-10-03  
   last obs. used      2018-10-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .51072  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:43:08  

Additional Information
 Earth MOID = .00488912 au 
 Jupiter MOID = 3.26252 au 
 T_jup = 4.699 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458395.5 (2018-Oct-04.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .436790662253709 0.00036235  
q .7745581630869161 0.0001277 au
tp 2458449.529816585243
(2018-Nov-27.02981659)
0.013464 TDB
node 188.5929284154701 0.00016813 deg
peri 258.7454108537883 0.00044472 deg
i 4.217347212025354 0.0034393 deg
  Orbit Determination Parameters
   # obs. used (total)      38  
   data-arc span      2 days  
   first obs. used      2018-10-03  
   last obs. used      2018-10-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .51072  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:43:08  

Additional Information
 Jupiter MOID = 3.26252 au 
 T_jup = 4.699 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.312985916004749E-7 -4.626853121591587E-8 -4.878394508824951E-6 -5.97667826898335E-8 -1.407663603957471E-7 1.245273803932498E-6
q -4.626853121591587E-8 1.6306088637517E-8 1.718967344829897E-6 2.10296679547197E-8 4.934569296176006E-8 -4.389647068199033E-7
tp -4.878394508824951E-6 1.718967344829897E-6 .0001812699301702803 2.223743785622585E-6 5.255022298933052E-6 -4.625411307248922E-5
node -5.97667826898335E-8 2.10296679547197E-8 2.223743785622585E-6 2.826696161632665E-8 6.94654392419842E-8 -5.626291367609365E-7
peri -1.407663603957471E-7 4.934569296176006E-8 5.255022298933052E-6 6.94654392419842E-8 1.977788764697677E-7 -1.310482969571916E-6
i 1.245273803932498E-6 -4.389647068199033E-7 -4.625411307248922E-5 -5.626291367609365E-7 -1.310482969571916E-6 1.182898104326486E-5

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 27.5   .3338 MPO458797 autocmod 2.6n

[ 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
2010-Sep-16 02:43 5_07:43 Earth 0.337631935344554 0.232245225105253 0.443017532335592 21.6347693488081 21.6344045778698 2455455.612945126 7662.69684335116 5255092.465708 23.0149448985447 0.0489874231309814 1395.10675083642 T 3 CATAB v2.0g-lin.ifort 2021-Apr-15 20:43:09 2021-Apr-15 20:43
2014-Mar-19 05:09 3_08:04 Earth 0.288566800155216 0.222632068558645 0.354693949441518 20.2244668511931 20.2240102954467 2456735.714272269 4804.02174339314 3313599.71880348 94.286844990266 6.27746454176613 44828.3742967402 T 3 CATAB v2.0g-lin.ifort 2021-Apr-15 20:43:09 2021-Apr-15 20:43
2018-Oct-05 22:04 < 00:01 Earth 0.00521822091497114 0.00520502168224499 0.00523141966620167 11.7181006802888 11.674444834346 2458397.419488681 0.041098264327966 653.398542388613 2.53926746089329 0.0733867111163855 806.740239029915 T 3 CATAB v2.0g-lin.ifort 2021-Apr-15 20:43:09 2021-Apr-15 20:43
2018-Oct-06 06:03 00:01 Moon 0.00627219201798846 0.00625887735613722 0.00628550696227538 11.2321198447474 11.2316546372604 2458397.752349959 1.30742024273098 667.264640656779 3.60371912032571 5.76474235567357 24066.2640325345 T 3 CATAB v2.0g-lin.ifort 2021-Apr-15 20:43:09 2021-Apr-15 20:43
2018-Nov-17 13:11 02:52 Venus 0.0848353549540083 0.0848116432611091 0.0848592321273822 7.80870404488778 7.80542532521418 2458440.049369129 172.082185825439 6040.69770575502 78.784200464588 78.9399914324832 13562.4521572752 T 3 CATAB v2.0g-lin.ifort 2021-Apr-15 20:43:09 2021-Apr-15 20:43
2031-Sep-15 10:38 8_05:17 Earth 0.356904573746888 0.193739010034986 0.520067751383996 22.2362940937124 22.235958355238 2463124.943087552 11837.3010078634 8136217.33987319 25.3430562410873 0.102503717176805 3154.13570864109 T 3 CATAB v2.0g-lin.ifort 2021-Apr-15 20:43:09 2021-Apr-15 20:43
2035-Mar-22 20:47 9_09:55 Earth 0.3627652409467 0.17418354120051 0.552280415543885 22.4538002172731 22.4534731026202 2464409.366204003 13555.3198625581 9471665.79618481 101.016136800658 4.7542231622236 40070.9222359493 T 3 CATAB v2.0g-lin.ifort 2021-Apr-15 20:43:09 2021-Apr-15 20:43
2065-Sep-13 10:56 4_02:01 Earth 0.394501747805731 0.311026056607968 0.477980265126978 23.3311595930489 23.3308701055627 2475541.955599088 5880.69254618076 4162998.67580962 30.8697407024262 -0.762913081438785 23336.2848682319 T 3 CATAB v2.0g-lin.ifort 2021-Apr-15 20:43:09 2021-Apr-15 20:43
2069-Mar-21 14:32 1_09:59 Earth 0.340773810706501 0.320334930950578 0.36122581913563 21.794151205568 21.7937924408217 2476827.105663590 2039.15504381347 1024973.13236849 83.893493768057 5.90468126288353 55695.6857028853 T 3 CATAB v2.0g-lin.ifort 2021-Apr-15 20:43:09 2021-Apr-15 20:43
2072-Sep-10 16:46 07:23 Mars 0.064987763219737 0.0481772018515614 0.0911777884124161 12.518955565289 12.5186036706834 2478096.198914793 443.135276735391 1649216.49804607 463.014349660046 -45.8137731531423 14812.9972942222 T 3 CATAB v2.0g-lin.ifort 2021-Apr-15 20:43:09 2021-Apr-15 20:43
2163-Jan-23 22:51 9_01:29 Earth 0.184209036785288 0.158820408753941 0.212006282582104 9.02865570225035 9.02705350172715 2511102.452153857 13048.5352447291 1692799.25799118 596.568815457357 -37.9725142471005 21005.2629097086 T 3 CATAB v2.0g-lin.ifort 2021-Apr-15 20:43:09 2021-Apr-15 20:43
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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