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JPL Small-Body Database Browser
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423533 (2005 US169)
Classification: Main-belt Asteroid          SPK-ID: 2423533
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1940955415760921 1.1831e-07  
a 2.638881648238741 3.8654e-08 au
q 2.126686485568632 3.3006e-07 au
i 2.160765481134421 1.0442e-05 deg
node 347.20316871 0.00025493 deg
peri 159.7948383731424 0.00025608 deg
M 64.91664090958879 3.1177e-05 deg
tp 2458718.153873037308
(2019-Aug-22.65387304)
0.00013111 TDB
period 1565.771184127229
4.29
3.4403e-05
9.419e-08
d
yr
n .2299186520032084 5.0517e-09 deg/d
Q 3.151076810908851 4.6157e-08 au
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      7608 days (20.83 yr)  
   first obs. used      1998-01-30  
   last obs. used      2018-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54536  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:08:52  

Additional Information
 Earth MOID = 1.1386 au 
 Jupiter MOID = 1.8586 au 
 T_jup = 3.368 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a MPO419086  

423533 (2005 US169)          Discovered 2005-Oct-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-02-04

[ 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
1914-Apr-04 16:11 00:06 Jupiter 1.98676997549195 1.98676641365474 1.9867735373269 1.99428622055478 1.76762966659059 2420227.174451984 6.12305476566883 250.706016301605 50.4934864134193 83.4028396392861 888041.974069147 T 8 CATAB v2.0e-lin.ifort 2019-Jul-14 13:08:54 2019-Jul-14 13:08
1927-Dec-11 00:16 00:05 Jupiter 1.9728789457197 1.97287629280251 1.97288159863655 2.21530575479568 2.0121911194601 2425225.511281087 5.41605909941192 219.533386574152 25.3912741588128 86.8515279010953 655874.775822404 T 8 CATAB v2.0e-lin.ifort 2019-Jul-14 13:08:54 2019-Jul-14 13:08
1974-Dec-11 14:09 00:02 Jupiter 1.88432241885963 1.88432150890482 1.88432332881316 1.83013411995676 1.56536580580015 2442393.089615609 2.48320001795187 232.855764072339 77.2881162059681 82.1554499976462 951871.778756885 T 8 CATAB v2.0e-lin.ifort 2019-Jul-14 13:08:54 2019-Jul-14 13:08
2021-Dec-12 23:04 < 00:01 Jupiter 1.8528336680012 1.85283284416746 1.85283449183957 1.68371605151449 1.38585719648895 2459561.461201436 0.594932258314498 274.371575077956 83.7683880513533 59.4032351424128 1420463.74274327 T 8 CATAB v2.0e-lin.ifort 2019-Jul-14 13:08:54 2019-Jul-14 13:08
2068-Dec-14 16:00 00:03 Jupiter 1.89410896777755 1.89410791721222 1.89411001834827 1.76431309776598 1.48943781614753 2476730.166409967 3.39903663621017 273.48950758552 106.139385260607 76.4545205922364 1129498.3631872 T 8 CATAB v2.0e-lin.ifort 2019-Jul-14 13:08:54 2019-Jul-14 13:08
2129-Aug-26 07:20 00:07 Jupiter 1.95549655228061 1.95549327107174 1.95549983348347 2.12839321903201 1.91409470225457 2498898.805644748 7.16760178408669 214.819697375295 30.7488425157468 -83.6942118894117 471567.3438373 T 8 CATAB v2.0e-lin.ifort 2019-Jul-14 13:08:54 2019-Jul-14 13:08
2176-Aug-26 16:35 00:10 Jupiter 1.87585380269546 1.87585134630043 1.87585625909625 1.78469800311219 1.51065135168319 2516066.190823033 9.95878383673149 419.6016789736 126.698454961957 -72.7340487382048 541145.35565132 T 8 CATAB v2.0e-lin.ifort 2019-Jul-14 13:08:54 2019-Jul-14 13:08

Alternate Designations
 2005 US169 = 2007 EG182 = 2011 DB4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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