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JPL Small-Body Database Browser
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80044 (1999 JN40)
Classification: Outer Main-belt Asteroid          SPK-ID: 2080044
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1166788551825765 5.0331e-08  
a 3.219586692365013 2.546e-08 au
q 2.843929002938805 1.6438e-07 au
i 11.30694465645447 5.4571e-06 deg
node 60.10699046037294 2.605e-05 deg
peri 281.782851222491 3.4218e-05 deg
M 129.4444307598983 2.4693e-05 deg
tp 2458241.783582649321
(2018-May-03.28358265)
0.00014305 TDB
period 2110.078499652702
5.78
2.503e-05
6.853e-08
d
yr
n .1706097664419842 2.0238e-09 deg/d
Q 3.595244381791221 2.8431e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1017  
   data-arc span      7985 days (21.86 yr)  
   first obs. used      1998-03-24  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49842  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:51:45  

Additional Information
 Earth MOID = 1.8649 au 
 Jupiter MOID = 1.88823 au 
 T_jup = 3.148 
[ 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 13.7   n/a MPO459365  
diameter diameter 8.610 km 0.343 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 15.743 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.104   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

80044 (1999 JN40)          Discovered 1999-May-10 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
1992-Jun-02 23:16 < 00:01 Jupiter 1.99883882316551 1.99883817600221 1.99883947032904 2.56253541989495 2.39145838459769 2448776.469307498 0.994874946355981 114.014726209084 21.0870546579739 -88.6436718728915 2093739.64664996 T 26 CATAB v2.0f-lin.ifort 2020-Feb-23 18:51:51 2020-Feb-23 18:52
2003-Aug-09 20:46 < 00:01 Jupiter 1.95926394836682 1.95926329950632 1.95926459722754 2.22764536684562 2.02429505986382 2452861.365505411 0.570367908364262 75.108077978583 12.8067621196183 -72.7611846984011 2612752.44519604 T 26 CATAB v2.0f-lin.ifort 2020-Feb-23 18:51:51 2020-Feb-23 18:52
2014-Oct-13 07:40 < 00:01 Jupiter 1.92153411357546 1.92153349636981 1.92153473078143 2.47953314110129 2.29487993140163 2456943.819323171 0.294711220554035 63.5088107985264 8.56541047010061 -63.7655090331378 2778279.47057672 T 26 CATAB v2.0f-lin.ifort 2020-Feb-23 18:51:51 2020-Feb-23 18:52
2025-Dec-16 21:19 < 00:01 Jupiter 1.8949654696151 1.89496492161863 1.8949660176119 3.14467208038454 2.9991650574022 2461026.388211423 0.539569011073207 67.1566408475898 13.6152180262488 -72.7476518032192 2669528.32348611 T 26 CATAB v2.0f-lin.ifort 2020-Feb-23 18:51:51 2020-Feb-23 18:52
2037-Feb-19 01:52 < 00:01 Jupiter 1.89904171991296 1.89904120885663 1.8990422309694 3.90149772177242 3.78545002753731 2465108.577713218 0.908840301764453 71.0221727318194 19.7072454405604 -82.0268075696157 2645936.19687623 T 26 CATAB v2.0f-lin.ifort 2020-Feb-23 18:51:51 2020-Feb-23 18:52
2048-Apr-16 17:39 00:01 Jupiter 1.95409437312445 1.95409375177272 1.95409499447618 4.61554798962891 4.52065951578654 2469183.235249918 1.2797620232287 64.7724623170671 27.5853968949847 -84.3942783702078 2618674.0558448 T 26 CATAB v2.0f-lin.ifort 2020-Feb-23 18:51:51 2020-Feb-23 18:52
2170-Nov-05 13:22 00:04 Jupiter 1.98655802787476 1.98655738640686 1.98655866934571 2.9732005703991 2.82615777499891 2513945.057057193 4.18956280192749 324.03113793956 22.5190833860387 87.3847136303632 2106246.79190177 T 26 CATAB v2.0f-lin.ifort 2020-Feb-23 18:51:51 2020-Feb-23 18:52
2182-Jan-21 18:33 00:05 Jupiter 1.97340263945212 1.97340201554002 1.97340326336713 2.4640501789883 2.28322243070347 2518040.272829818 4.84490311544224 336.841400696707 24.9421964483712 84.7485851644594 2300343.30847713 T 26 CATAB v2.0f-lin.ifort 2020-Feb-23 18:51:51 2020-Feb-23 18:52
2193-Mar-30 16:06 00:06 Jupiter 1.96603114789491 1.96603050281827 1.9660317929748 2.29252026481158 2.09618508118386 2522126.170809524 5.53818563821176 283.965378103157 20.2821839729993 -84.4543560945473 3013714.9182096 T 26 CATAB v2.0f-lin.ifort 2020-Feb-23 18:51:51 2020-Feb-23 18:52

Alternate Designations
 1999 JN40 = 2001 QH182 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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