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(2018 TV)
Classification: Apollo [NEO]          SPK-ID: 3831198
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4324521917233347 0.00016929  
a 1.643079281191658 0.00047219 au
q .9325260448651244 1.0173e-05 au
i 3.750038570979347 0.0008674 deg
node 194.921085072569 8.4435e-05 deg
peri 218.8111200287844 0.0020995 deg
M .1955875584936297 0.15407 deg
tp 2459200.082049421616
(2020-Dec-16.58204942)
0.32904 TDB
period 769.2831250458127
2.11
0.33161
0.0009079
d
yr
n .4679681488899957 0.00020173 deg/d
Q 2.353632517518192 0.00067639 au
  Orbit Determination Parameters
   # obs. used (total)      55  
   data-arc span      2 days  
   first obs. used      2018-10-05  
   last obs. used      2018-10-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .36259  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:43:08  

Additional Information
 Earth MOID = .000294004 au 
 Jupiter MOID = 3.03009 au 
 T_jup = 4.178 
[ 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 28.6   .3296 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
1988-Jan-21 20:27 9_00:29 Earth 0.470882121945633 0.299458209317226 0.644269382191851 22.3851265344246 22.3848737542244 2447182.351926818 12989.4109123651 8729984.17382569 45.3824743475602 9.31079236146351 226250.577375917 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:43:09 2021-Apr-15 20:43
1996-Sep-05 19:55 7_22:22 Earth 0.359012409839718 0.220765964085703 0.497365736644024 19.0418909455082 19.0415011855079 2450332.329980605 11422.1981410369 6903371.01380171 7.73595238541425 -2.39786184672573 247546.130159341 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:43:09 2021-Apr-15 20:43
2007-Sep-19 19:12 6_13:06 Earth 0.154934298379223 0.0707746808538281 0.239241631897314 12.9810322189666 12.979707335372 2454363.300070731 9425.62205908153 4207153.54914244 6.16842591706555 -2.81550553645942 154025.291363487 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:43:09 2021-Apr-15 20:43
2018-Oct-07 20:05 < 00:01 Earth 0.00190346589237173 0.00190159096992315 0.00190534067116794 8.50939975049662 8.34327728995691 2458399.336916419 0.0443756393184003 89.7076681194292 0.609894607262183 -0.550007296772945 1831.48737004647 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:43:09 2021-Apr-15 20:43
2018-Oct-08 05:14 < 00:01 Moon 0.00269388135914353 0.00269225228798273 0.00269551067126803 8.898913052605 8.89754583793165 2458399.717823056 0.554496279821143 90.6347817639339 0.789607069248891 26.3722385023779 212410.933737435 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:43:09 2021-Apr-15 20:43
2021-Jan-21 14:13 21:36 Earth 0.412826872385612 0.395913248567717 0.429763924981264 20.5268466242719 20.5265321931781 2459236.092646095 1296.35962233823 858128.33812391 39.4550358909875 10.4090411909685 252538.423909472 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:43:09 2021-Apr-15 20:43
2037-Sep-12 11:57 9_05:58 Earth 0.269764790158343 0.118623605863329 0.421139569767516 16.3617784424959 16.3611747655419 2465313.998017182 13318.1084610725 7553006.50019962 6.20288366062915 -2.53442605426275 240138.332966543 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:43:09 2021-Apr-15 20:43
2077-Sep-30 00:14 7_07:35 Earth 0.0532044184426933 0.00169411557145378 0.113294017085777 9.89377274684232 9.88870967763886 2479941.509751000 10535.4023017634 2996935.70223785 2.52213839141544 -1.86225346730288 90282.3386434773 T 4 CATAB v2.0g-lin.ifort 2021-Apr-15 20:43:09 2021-Apr-15 20:43
2080-Jan-18 22:39 1_08:12 Earth 0.338147215524954 0.318848499627278 0.357502771124535 18.2291912951872 18.2287590359447 2480782.443628207 1932.44451570508 988251.71019459 35.2721706302067 12.766527767572 278663.558720812 T 4 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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