Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
80078 (1999 JU115)
Classification: Main-belt Asteroid          SPK-ID: 2080078
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1653331031669143 3.4563e-08  
a 3.06063343172572 2.0441e-08 au
q 2.554609408802105 1.0666e-07 au
i 3.216091804882694 4.7503e-06 deg
node 78.83361468990438 7.4377e-05 deg
peri 57.88287684509176 7.5854e-05 deg
M 56.71211475177828 1.5391e-05 deg
tp 2458692.402095223228
(2019-Jul-27.90209522)
8.2589e-05 TDB
period 1955.759297728531
5.35
1.9593e-05
5.364e-08
d
yr
n .1840717313312089 1.8441e-09 deg/d
Q 3.566657454649336 2.3821e-08 au
  Orbit Determination Parameters
   # obs. used (total)      924  
   data-arc span      7568 days (20.72 yr)  
   first obs. used      1999-05-13  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50463  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:52:37  

Additional Information
 Earth MOID = 1.57025 au 
 Jupiter MOID = 1.47569 au 
 T_jup = 3.210 
[ 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 14.5   n/a MPO432349  
diameter diameter 6.116 km 0.706 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.235 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.082   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

80078 (1999 JU115)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ 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
1915-Aug-07 02:07 00:04 Jupiter 1.54064443345524 1.54064307092365 1.5406457959764 1.32827916888275 0.81532597068742 2420716.588191850 3.57751849567057 914.791799654089 204.763661086609 5.71379384688246 593788.50531722 T 23 CATAB v2.0f-lin.ifort 2020-Feb-23 18:52:52 2020-Feb-23 18:53
1925-Jan-15 10:19 00:03 Jupiter 1.86873814120069 1.8687361098771 1.86874017252152 2.22526734587056 2.01129227524795 2424165.930133793 3.07252805932457 47.5317028303374 21.38597871432 80.7007084806408 661901.196377234 T 23 CATAB v2.0f-lin.ifort 2020-Feb-23 18:52:52 2020-Feb-23 18:53
1974-Mar-30 07:29 00:01 Jupiter 1.47708615963898 1.47708581432797 1.47708650495006 1.01669045295154 n/a 2442136.811470669 1.36731516448562 67.0388518407689 16.6953845715152 -86.2776670869998 13204849.1610259 F 23 CATAB v2.0f-lin.ifort 2020-Feb-23 18:52:52 2020-Feb-23 18:53
2023-Jun-17 05:07 < 00:01 Jupiter 1.8061557532932 1.80615523541826 1.80615627116792 2.58351628024462 2.39512584819101 2460112.713262038 0.389616003018799 63.3052805359277 10.4018705355474 -87.5335455705483 2243352.18839459 T 23 CATAB v2.0f-lin.ifort 2020-Feb-23 18:52:52 2020-Feb-23 18:53
2032-Nov-20 17:48 < 00:01 Jupiter 1.56416295452858 1.56416242068017 1.56416348837672 1.22682968925603 0.649672942122691 2463557.241555084 0.709221092558986 666.523097741387 187.694407023483 16.0967087684819 1922722.26591822 T 23 CATAB v2.0f-lin.ifort 2020-Feb-23 18:52:52 2020-Feb-23 18:53
2082-Jan-26 13:23 00:02 Jupiter 1.58484547399434 1.58484438052969 1.58484656745503 1.55902377262104 1.16689879002737 2481521.057771638 2.38511241803749 226.969585612571 132.900372568879 7.67139947459589 764969.706396282 T 23 CATAB v2.0f-lin.ifort 2020-Feb-23 18:52:52 2020-Feb-23 18:53
2091-Jul-04 15:14 00:03 Jupiter 1.77508016178061 1.77507835495968 1.77508196859791 1.91545623794631 1.64761164485153 2484967.134692456 2.64741959764642 63.269782477114 31.3418470076305 65.6953448392855 742286.522896172 T 23 CATAB v2.0f-lin.ifort 2020-Feb-23 18:52:52 2020-Feb-23 18:53
2140-Sep-18 00:26 00:04 Jupiter 1.47073589569752 1.47073538638333 1.47073640501714 1.05079224254258 n/a 2502939.517743751 4.19475813298585 190.561994345784 16.8967936416226 -84.2668146289835 12952479.5251916 F 23 CATAB v2.0f-lin.ifort 2020-Feb-23 18:52:52 2020-Feb-23 18:53
2189-Dec-10 04:22 00:06 Jupiter 1.8900580717038 1.89005420763079 1.89006193577197 2.99779351979075 2.8443757494447 2520919.681827212 5.80791500701858 130.296935418988 49.6908606041142 21.921834198072 446666.016507561 T 23 CATAB v2.0f-lin.ifort 2020-Feb-23 18:52:52 2020-Feb-23 18:53
2199-May-20 22:20 00:06 Jupiter 1.50379564187642 1.50379362538785 1.50379766119049 1.06776409429403 0.116650615417991 2524368.430570147 6.44795670389102 309955.850251471 2241.4404722033 3.96614049141075 4801784.6046209 T 23 CATAB v2.0f-lin.ifort 2020-Feb-23 18:52:52 2020-Feb-23 18:53

Alternate Designations
 1999 JU115 = 2001 UB129 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-02 13:54 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin