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(2019 SE2)
Classification: Apollo [NEO]          SPK-ID: 3843925
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3476177500485764 0.00056829  
a 1.259543815409481 0.0008309 au
q .8217040282092377 0.00017374 au
i 9.966753008369263 0.016734 deg
node 184.618671169622 0.0013212 deg
peri 270.1070234385992 0.0096213 deg
M 120.814321446431 0.10114 deg
tp 2458827.225655411933
(2019-Dec-09.72565541)
0.026408 TDB
period 516.3192848735482
1.41
0.51091
0.001399
d
yr
n .697242986165368 0.00068994 deg/d
Q 1.697383602609724 0.0011197 au
  Orbit Determination Parameters
   # obs. used (total)      43  
   data-arc span      16 days  
   first obs. used      2019-09-20  
   last obs. used      2019-10-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .53471  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-11 07:44:24  

Additional Information
 Earth MOID = .0488509 au 
 Jupiter MOID = 3.52148 au 
 T_jup = 5.040 
[ 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 24.1   .37859 MPO504269 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
1944-Aug-25 12:04 2_07:38 Earth 0.499233483642536 0.487340584330866 0.511171628770818 8.39975364766778 8.39911823110825 2431328.002661814 3338.11567111995 639704.863894449 364.428161025125 -21.7582690448615 48773.2142029976 T 7 CATAB v2.0f-lin.ifort 2020-Sep-11 07:44:41 2020-Sep-11 07:44
1945-Mar-09 06:34 1_08:36 Earth 0.0553964910638653 0.0512455523799542 0.0638046028067223 9.95129601392914 9.94646146496887 2431523.773715029 1955.65848569513 834288.018191495 278.884549137158 -67.0515067608777 31052.7348766195 T 7 CATAB v2.0f-lin.ifort 2020-Sep-11 07:44:41 2020-Sep-11 07:44
1947-Sep-18 05:30 1_04:41 Earth 0.488036229476278 0.469128464492818 0.506950623941043 24.0283614030237 24.0281341873996 2432446.729076308 1721.46522653153 947275.228045547 140.958770095221 5.43662471466234 45014.1818346529 T 7 CATAB v2.0f-lin.ifort 2020-Sep-11 07:44:41 2020-Sep-11 07:44
1952-Mar-30 20:46 3_21:59 Earth 0.437216875442734 0.347473461577921 0.527103523942799 22.6050885850439 22.604818990054 2434102.365186243 5639.35154340056 4496065.28374203 263.466720640966 4.93666875068773 19486.7017413441 T 7 CATAB v2.0f-lin.ifort 2020-Sep-11 07:44:41 2020-Sep-11 07:44
1954-Oct-09 19:43 7_05:31 Earth 0.0595736950856567 0.046450112132752 0.170332152654901 11.3896718594126 11.3857443114918 2435025.321511368 10410.5071710254 6312279.21730723 117.883022213785 51.2500108678249 62041.6732757141 T 7 CATAB v2.0f-lin.ifort 2020-Sep-11 07:44:41 2020-Sep-11 07:44
2010-Mar-14 06:10 9_08:06 Earth 0.0809807909799345 0.0492338278806286 0.251658637612898 12.1121302958023 12.1094134904881 2455269.756722704 13445.9810662256 9100911.3342251 272.070313966041 37.4584176744829 26883.9410797855 T 7 CATAB v2.0f-lin.ifort 2020-Sep-11 07:44:41 2020-Sep-11 07:44
2012-Sep-21 05:26 6_00:33 Earth 0.420421718974981 0.294334866824168 0.546835335375289 22.0513515036048 22.051064098266 2456191.726729000 8672.86852971061 6322666.79448996 114.806681354125 5.06857364228441 44134.031125979 T 7 CATAB v2.0f-lin.ifort 2020-Sep-11 07:44:41 2020-Sep-11 07:44
2017-Apr-03 03:55 2_13:31 Earth 0.488499581858457 0.436001513349736 0.541041631169764 24.1155357639758 24.1153095844537 2457846.663102368 3690.69645009141 2629142.97118733 280.500935730306 5.02136911720292 20892.3703825065 T 7 CATAB v2.0f-lin.ifort 2020-Sep-11 07:44:41 2020-Sep-11 07:44
2019-Oct-12 22:19 < 00:01 Earth 0.0492479732961619 0.0490103460541924 0.0494855981478242 10.2089297701408 10.2036287854965 2458769.429787442 0.38324968962969 11837.0858128153 25.5185268490441 -0.0160719422802713 401.933209172823 T 7 CATAB v2.0f-lin.ifort 2020-Sep-11 07:44:41 2020-Sep-11 07:44
2123-Apr-05 06:06 2_07:55 Earth 0.484096557759567 0.466270795136048 0.501963517478398 23.9958203855925 23.9955910101943 2496563.753956746 3355.23561246423 917366.375269412 424.317372380268 14.0423100802374 38064.0329471575 T 7 CATAB v2.0f-lin.ifort 2020-Sep-11 07:44:41 2020-Sep-11 07:44
2125-Oct-14 06:30 8_12:01 Earth 0.0527301286186213 0.0511787424952715 0.158730195162983 10.1223500356391 10.1173568317116 2497486.771113805 12240.5945210643 6860453.93458988 119.205654578667 -76.0733075394852 73270.7441767415 T 7 CATAB v2.0f-lin.ifort 2020-Sep-11 07:44:41 2020-Sep-11 07:44
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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