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26364 (1999 AH8)
Classification: Main-belt Asteroid          SPK-ID: 2026364
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08328231106578092 3.7595e-08  
a 3.177896452060852 2.1034e-08 au
q 2.913233891205479 1.1772e-07 au
i 17.57729681565661 3.8563e-06 deg
node 121.5873958512962 1.3676e-05 deg
peri 134.1445483856679 2.87e-05 deg
M 208.7193038883202 2.7649e-05 deg
tp 2460070.038976110111
(2023-May-05.53897611)
0.0001629 TDB
period 2069.226540103631
5.67
2.0544e-05
5.625e-08
d
yr
n .1739780507464255 1.7273e-09 deg/d
Q 3.442559012916226 2.2786e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2288  
   data-arc span      10252 days (28.07 yr)  
   first obs. used      1992-12-25  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42584  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:19:05  

Additional Information
 Earth MOID = 1.92149 au 
 Jupiter MOID = 1.82604 au 
 T_jup = 3.122 
[ 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 13.13   n/a E2021B10  
diameter diameter 14.624 km 0.084 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 33.4134 h n/a LCDB (Rev. 2020-October); 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.063   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26364 (1999 AH8)          Discovered 1999-Jan-13 by Kobayashi, T. at Oizumi
Reference: 20010705/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
1919-Feb-12 12:31 00:03 Jupiter 1.85742192202561 1.85742129102582 1.85742255303681 4.71594542784653 4.61823561904003 2422002.021523746 2.55364984156706 289.930538213044 17.8127728236019 -85.6300054666336 3959407.18705181 T 32 CATAB v2.0f-lin.ifort 2021-Feb-24 03:19:10 2021-Feb-24 03:19
1929-Dec-22 08:17 00:03 Jupiter 1.89330321468766 1.89330250322187 1.89330392615366 3.57755792677439 3.4502412077585 2425967.845212367 2.63146240585697 106.699023104198 46.866764620672 83.0955540157817 1390593.98916973 T 32 CATAB v2.0f-lin.ifort 2021-Feb-24 03:19:10 2021-Feb-24 03:19
2038-Apr-10 04:11 < 00:01 Jupiter 1.92239035918228 1.92239002154599 1.92239069681878 5.01674402348184 4.92813378209346 2465523.674532194 0.676792922585357 86.9097176487188 14.7973061777857 -85.6122360815687 5009144.75011971 T 32 CATAB v2.0f-lin.ifort 2021-Feb-24 03:19:10 2021-Feb-24 03:19
2049-Mar-14 04:28 00:01 Jupiter 1.82742452557362 1.82742405884668 1.82742499230087 4.39841776287325 4.29174399356632 2469514.685964916 1.07373901914029 101.126562191918 22.0843272009277 85.0438332201542 3800120.13214972 T 32 CATAB v2.0f-lin.ifort 2021-Feb-24 03:19:10 2021-Feb-24 03:19
2059-Dec-23 01:45 00:02 Jupiter 1.95195986941918 1.9519591440458 1.95196059479656 2.94846606948104 2.79742441940775 2473450.573258471 1.83943389287494 246.763226045337 31.1155166409495 -79.9593768595527 3039919.17016302 T 32 CATAB v2.0f-lin.ifort 2021-Feb-24 03:19:10 2021-Feb-24 03:19
2168-May-10 13:02 00:04 Jupiter 1.83485342211919 1.83485256728466 1.83485427699586 4.81070534084879 4.7137699163376 2513036.042843554 4.17705528707255 485.891567653772 16.2376423931231 -85.7423872404721 4291191.69990954 T 32 CATAB v2.0f-lin.ifort 2021-Feb-24 03:19:10 2021-Feb-24 03:19
2179-Apr-04 17:58 00:05 Jupiter 1.85163046031714 1.85162902576314 1.85163189488093 4.01818022462679 3.90267582866676 2517017.248831463 5.11303939213378 251.838026745257 37.2078784256718 71.6638562265628 2229880.99811064 T 32 CATAB v2.0f-lin.ifort 2021-Feb-24 03:19:10 2021-Feb-24 03:19

Alternate Designations
 1999 AH8 = 2000 HB33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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