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JPL Small-Body Database Browser
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74549 (1999 JU80)
Classification: Main-belt Asteroid          SPK-ID: 2074549
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2280458717217954 4.7704e-08  
a 3.105153236158076 2.1593e-08 au
q 2.397035859588654 1.5057e-07 au
i 15.32897597814855 4.746e-06 deg
node 101.7664983952854 2.141e-05 deg
peri 72.22362554729897 2.3826e-05 deg
M 279.1917755506179 1.1288e-05 deg
tp 2459049.117329740307
(2020-Jul-18.61732974)
6.5079e-05 TDB
period 1998.586651383175
5.47
2.0847e-05
5.708e-08
d
yr
n .1801272913290261 1.8789e-09 deg/d
Q 3.813270612727499 2.6517e-08 au
  Orbit Determination Parameters
   # obs. used (total)      727  
   data-arc span      8008 days (21.92 yr)  
   first obs. used      1998-01-02  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56146  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:26:34  

Additional Information
 Earth MOID = 1.45618 au 
 Jupiter MOID = 1.51032 au 
 T_jup = 3.126 
[ 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 14.0   n/a MPO337819  
diameter diameter 4.552 km 0.209 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.235   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74549 (1999 JU80)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ 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
1901-Sep-08 18:15 00:04 Jupiter 1.9962008772093 1.9961972154208 1.99620453900007 4.47312597172871 4.37723901674518 2415636.260398140 3.70061695141344 220.805682841492 77.3248230098012 -41.3891476792054 1193795.99254665 T 21 CATAB v2.0f-lin.ifort 2019-Dec-14 07:26:38 2019-Dec-14 07:26
1953-Jun-09 02:35 00:02 Jupiter 1.9699503801699 1.96994875337342 1.96995200697522 4.20756694628528 4.10410484900335 2434537.607573286 2.11042880023046 246.762252671297 28.2750007381747 -74.9947538693699 1658449.13359984 T 21 CATAB v2.0f-lin.ifort 2019-Dec-14 07:26:38 2019-Dec-14 07:26
1962-Nov-07 01:47 00:02 Jupiter 1.50798514159934 1.50798429766698 1.50798598553496 2.1597459067494 1.88178619297938 2437975.573993837 2.05589483263632 368.590349183178 117.545313920033 80.9084445449057 754603.215913809 T 21 CATAB v2.0f-lin.ifort 2019-Dec-14 07:26:38 2019-Dec-14 07:26
2024-Aug-21 09:28 < 00:01 Jupiter 1.95456658526568 1.95456595372319 1.95456721680838 4.23917341124408 4.13568372422521 2460543.894290149 0.42897988234473 92.7684894766924 25.7181762492227 -81.8574440652643 2300598.31979167 T 21 CATAB v2.0f-lin.ifort 2019-Dec-14 07:26:38 2019-Dec-14 07:26
2034-Jan-30 05:11 00:01 Jupiter 1.52142800841618 1.52142721350929 1.52142880332317 1.87973268141505 1.55561489876049 2463992.716153397 1.07060108040771 351.523699076042 141.961859038921 -69.6604391648124 865738.054282454 T 21 CATAB v2.0f-lin.ifort 2019-Dec-14 07:26:38 2019-Dec-14 07:26
2095-Nov-04 12:39 00:03 Jupiter 1.93876282334555 1.93876083094954 1.93876481576063 4.26867068833483 4.16506580169163 2486551.026785948 2.79023096666826 339.411622428237 26.8731966176809 -75.925532740191 1845237.6851647 T 21 CATAB v2.0f-lin.ifort 2019-Dec-14 07:26:38 2019-Dec-14 07:26
2105-Apr-28 14:31 00:04 Jupiter 1.534509650502 1.53450884373532 1.53451045727277 1.55819283295153 1.15065192350796 2490013.104765865 4.40268636172486 1775.23845255346 332.350282810506 -54.0578260063419 656958.093929967 T 21 CATAB v2.0f-lin.ifort 2019-Dec-14 07:26:38 2019-Dec-14 07:26
2167-Jan-14 08:32 00:06 Jupiter 1.91757355492826 1.9175695558 1.9175775541447 4.26497972445074 4.16012265107007 2512553.855332461 5.49697066645112 694.681878404841 26.5379168961239 -75.5379137605735 1883876.39301044 T 21 CATAB v2.0f-lin.ifort 2019-Dec-14 07:26:38 2019-Dec-14 07:26
2176-Jul-25 07:33 00:09 Jupiter 1.54197685941688 1.54197606984013 1.54197764925852 1.20262566806922 0.589652037932161 2516033.814305600 8.831179444252 39154.8888257785 259.331315676678 -65.1982653159675 8875337.98339478 T 21 CATAB v2.0f-lin.ifort 2019-Dec-14 07:26:38 2019-Dec-14 07:26

Alternate Designations
 1999 JU80 = 2002 VL40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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