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JPL Small-Body Database Browser
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(2019 AU9)
Classification: Apollo [NEO]          SPK-ID: 3837805
Ephemeris | Orbit Diagram | Orbital Elements | 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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1609612269227285 0.00020853  
a 1.12184966966694 0.00022138 au
q .9412753704144913 4.8203e-05 au
i 4.813840306013287 0.0056311 deg
node 115.3563479464405 0.0015369 deg
peri 50.99990424627708 0.0010208 deg
M 46.85404144271411 0.010083 deg
tp 2458544.013459145461
(2019-Mar-01.51345915)
0.004596 TDB
period 434.0106868368367
1.19
0.12847
0.0003517
d
yr
n .8294726625829366 0.00024553 deg/d
Q 1.302423968919388 0.00025701 au
  Orbit Determination Parameters
   # obs. used (total)      23  
   data-arc span      9 days  
   first obs. used      2019-01-10  
   last obs. used      2019-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .34909  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-19 07:44:55  

Additional Information
 Earth MOID = .00533181 au 
 Jupiter MOID = 3.66809 au 
 T_jup = 5.552 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.819   .36655 4 autocmod 2.6q

[ 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
1982-Jan-01 08:34 6_11:50 Earth 0.234284265014028 0.104527048169109 0.364095326068145 11.1556358579642 11.1546163403082 2444970.856858023 9349.9044762993 6474233.30726482 20.4086448893954 1.56393726300463 32441.1621600977 T 4 CATAB v2.0e-lin.ifort 2019-Jan-19 07:46:49 2019-Jan-19 07:49
1987-Dec-23 05:42 5_07:51 Earth 0.431917464317431 0.316346054440351 0.547563480600761 17.0072852723771 17.0069225442556 2447152.737629088 7671.0103366432 5771884.94210865 60.989420470116 2.74757632352903 39615.0869980047 T 4 CATAB v2.0e-lin.ifort 2019-Jan-19 07:46:49 2019-Jan-19 07:49
1995-Jun-03 09:13 4_08:32 Earth 0.394142089659104 0.303718754258423 0.485790014889476 15.2917404629007 15.2912983747228 2449871.883823951 6271.92480603101 4670003.39495388 301.619610609087 -13.2100094050272 36834.2566230486 T 4 CATAB v2.0e-lin.ifort 2019-Jan-19 07:46:49 2019-Jan-19 07:49
2001-May-24 13:38 3_11:27 Earth 0.210771108730886 0.145466414401891 0.280137436414552 9.75792613762098 9.75663053271796 2452054.068297908 5007.1098147235 3662466.69266723 137.1447624451 -22.2609121167255 78214.8497451544 T 4 CATAB v2.0e-lin.ifort 2019-Jan-19 07:46:49 2019-Jan-19 07:49
2001-Oct-11 19:13 5_17:55 Mars 0.0823094868034446 0.0772351608279631 0.0893267091669922 3.33693769162287 3.33589519167919 2452194.300404410 8275.48710595453 700722.49858324 199.369089425014 -64.2241370497753 38443.3943102056 T 4 CATAB v2.0e-lin.ifort 2019-Jan-19 07:46:49 2019-Jan-19 07:49
2007-May-15 03:33 3_15:03 Earth 0.0819355367327188 0.0790115716006926 0.103806245648805 4.7084915632667 4.7015799866952 2454235.648255934 5222.53589578798 2277331.66161991 53.3731355422643 -74.7506427700046 68596.864687024 T 4 CATAB v2.0e-lin.ifort 2019-Jan-19 07:46:49 2019-Jan-19 07:49
2019-Jan-16 09:42 < 00:01 Earth 0.0196268854291433 0.0195563765689298 0.0196973888918085 5.07742349959099 5.05061542623104 2458499.903977251 0.204277336358924 3477.99533033014 5.20345229905543 0.0591968554315273 454.22475509901 T 4 CATAB v2.0e-lin.ifort 2019-Jan-19 07:46:49 2019-Jan-19 07:49
2019-Jul-06 01:43 02:29 Earth 0.197901600621674 0.197155931670511 0.198647371886027 4.17409708686128 4.17087031395912 2458670.571596537 149.478207132295 37857.5705045791 403.43109272473 -11.1596601319221 8138.62494335207 T 4 CATAB v2.0e-lin.ifort 2019-Jan-19 07:46:49 2019-Jan-19 07:49
2024-Dec-24 07:49 1_14:40 Earth 0.400294322248276 0.367129121074866 0.433465434933957 16.0839840950591 16.08357024323 2460668.825934959 2319.55101567716 1655739.79455357 55.5764109918966 2.69240796091982 39054.1435504772 T 4 CATAB v2.0e-lin.ifort 2019-Jan-19 07:46:49 2019-Jan-19 07:49
2025-Aug-30 14:12 4_12:36 Earth 0.299223491878167 0.297043800935282 0.301429779155794 5.789923344707 5.78838518458571 2460918.091633224 6515.6922471521 178195.118552594 229.627606773 -52.142868560589 91630.7594623049 T 4 CATAB v2.0e-lin.ifort 2019-Jan-19 07:46:49 2019-Jan-19 07:49
2032-May-26 11:41 3_09:12 Earth 0.211016194659886 0.148101086214379 0.277300099527624 9.78769729573068 9.78640713248801 2463378.986731754 4871.65104005303 3485937.79477501 138.185562785256 -21.3614269979375 72753.6738427432 T 4 CATAB v2.0e-lin.ifort 2019-Jan-19 07:46:49 2019-Jan-19 07:49
2044-Jan-01 22:34 8_14:22 Earth 0.236249683523494 0.0597300447584126 0.412827134662369 11.2244353361188 11.223430498099 2467616.440166818 12382.3514575115 8805690.15316678 24.5885122928522 1.16713195252406 20899.759467676 T 4 CATAB v2.0e-lin.ifort 2019-Jan-19 07:46:49 2019-Jan-19 07:49
2087-Nov-25 18:47 4_00:26 Earth 0.210930919251007 0.206145205095227 0.215738230338232 3.54529776139891 3.5417329398623 2483650.282642146 5786.28960054658 261817.977099024 93.8798013936595 24.6639818199796 45443.9222412378 T 4 CATAB v2.0e-lin.ifort 2019-Jan-19 07:46:49 2019-Jan-19 07:49
2088-May-15 12:46 4_15:57 Earth 0.0786805350306871 0.0784889524749394 0.0797622152002019 4.56221413147973 4.55478525525702 2483822.031916856 6717.23744853254 435607.203592043 154.442305303439 85.9218403188838 169459.333185897 T 4 CATAB v2.0e-lin.ifort 2019-Jan-19 07:46:49 2019-Jan-19 07:49
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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