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(2018 AQ2)
Classification: Apollo [NEO]          SPK-ID: 3797459
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6629741904133127 0.00030689  
a 2.220592050837339 0.0018255 au
q .7483968336952163 6.6253e-05 au
i 1.8245545973279 0.00078576 deg
node 47.52129823297604 0.013626 deg
peri 153.5316138227118 0.012862 deg
M 300.1065118041357 0.36792 deg
tp 2459401.584550404713
(2021-Jul-06.08455040)
1.4832 TDB
period 1208.652899109247
3.31
1.4904
0.00408
d
yr
n .2978522620227137 0.00036728 deg/d
Q 3.692787267979461 0.0030357 au
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      22 days  
   first obs. used      2018-01-11  
   last obs. used      2018-02-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .38968  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:17:39  

Additional Information
 Earth MOID = .0224905 au 
 Jupiter MOID = 1.26357 au 
 T_jup = 3.321 
[ 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 22.1   n/a MPO438048  
rotation period rot_per 7.82 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Warner, B.D. (2018) Minor Planet Bull. 45, 248-256.]

[ 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-02 06:54 < 00:01 Earth 0.0344103359045756 0.0343672235334034 0.034453448220704 17.3577537814631 17.3532922317233 2458151.787347213 0.0290809245013963 2148.74229972927 4.83849530876972 0.0629498847651014 1855.23017897499 T 16 CATAB v2.0g-lin.ifort 2021-Apr-15 20:17:40 2021-Apr-15 20:17
2023-Mar-14 08:00 5_01:58 Jupiter 1.27446626688274 1.25545096618868 1.29375567847788 4.83730186539599 4.6979006103115 2460017.833165482 7317.51116334349 1344125.73237204 176.326592240276 45.1059934983586 1109447.39175794 T 16 CATAB v2.0g-lin.ifort 2021-Apr-15 20:17:40 2021-Apr-15 20:17
2058-Jan-19 18:28 13:58 Mars 0.047206728693379 0.0347920095077498 0.0596766360057033 18.2465327860915 18.246200412974 2472748.269273491 837.63582895051 625648.309951008 20.1314295505124 -7.12905608060004 43522.6078606398 T 16 CATAB v2.0g-lin.ifort 2021-Apr-15 20:17:40 2021-Apr-15 20:17
2059-Apr-09 01:43 02:13 Jupiter 1.92945169135018 1.92901090779031 1.92994944488613 7.3124235073228 7.25214068946359 2473192.571393538 132.939668936097 525940.629423964 289.79879817446 -89.6759501334824 615081.465845872 T 16 CATAB v2.0g-lin.ifort 2021-Apr-15 20:17:40 2021-Apr-15 20:17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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