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26724 (2001 HU8)
Classification: Main-belt Asteroid          SPK-ID: 2026724
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2414006433459769 3.6306e-08  
a 3.114407886717559 1.8993e-08 au
q 2.362587819222156 1.1306e-07 au
i 15.19200010074836 5.5013e-06 deg
node 226.72101265 1.5708e-05 deg
peri 89.30634037181649 1.964e-05 deg
M 74.02508385680743 1.1148e-05 deg
tp 2458587.701538625397
(2019-Apr-14.20153863)
6.23e-05 TDB
period 2007.528237081369
5.50
1.8364e-05
5.028e-08
d
yr
n .1793249994447817 1.6404e-09 deg/d
Q 3.866227954212962 2.3578e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1893  
   data-arc span      12417 days (34.00 yr)  
   first obs. used      1986-10-28  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44023  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:27:18  

Additional Information
 Earth MOID = 1.4096 au 
 Jupiter MOID = 1.77434 au 
 T_jup = 3.120 
[ 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 12.9   n/a MPO502357  
diameter diameter 8.778 km 0.225 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 1.43 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.110   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26724 (2001 HU8)          Discovered 2001-Apr-16 by LINEAR at Socorro
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

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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
1966-Apr-27 13:41 00:01 Jupiter 1.77936399843001 1.77936322799646 1.77936476886488 3.56228039491291 3.4260459349282 2439243.070383407 1.4353930784588 162.99922904126 30.2327856902094 81.6200248092409 1715213.14745878 T 27 CATAB v2.0f-lin.ifort 2020-Nov-13 01:27:23 2020-Nov-13 01:27
2037-Dec-24 15:45 < 00:01 Jupiter 1.84068945929436 1.84068864234894 1.84069027623977 2.58708276764019 2.40263718712887 2465417.156214300 0.974730331485271 131.070255319969 42.275725184096 81.9470083104792 1191865.24522665 T 27 CATAB v2.0f-lin.ifort 2020-Nov-13 01:27:23 2020-Nov-13 01:27
2048-Feb-16 08:09 00:01 Jupiter 1.94692702043546 1.94692606093867 1.94692797993502 5.26340629371466 5.18009011237541 2469122.839485955 1.011831546264 150.348425973791 24.8715478057847 -75.1544515302617 2520132.73415518 T 27 CATAB v2.0f-lin.ifort 2020-Nov-13 01:27:23 2020-Nov-13 01:27
2109-Oct-11 10:58 00:04 Jupiter 1.91165231757233 1.91165118787268 1.91165344733261 0.952533432714506 0.145437209621042 2491639.956624014 4.48044718038384 590322.792612343 1885.15567378682 -0.0808372275188894 140573.654258972 T 27 CATAB v2.0f-lin.ifort 2020-Nov-13 01:27:23 2020-Nov-13 01:27
2119-Sep-15 23:39 00:03 Jupiter 1.86569594343086 1.86569458761807 1.86569729927324 4.72736366938797 4.63033162451355 2495266.485461350 3.00516362208314 417.329071237885 24.973693373395 -82.5148162253945 2191817.79175261 T 27 CATAB v2.0f-lin.ifort 2020-Nov-13 01:27:23 2020-Nov-13 01:27
2181-Aug-27 00:36 00:07 Jupiter 1.95931572676198 1.95931459708991 1.95931685642391 1.4479390583587 1.1099175533132 2517892.524992576 6.96062068528202 2056.06454185417 161.704566638743 10.7092244415304 295538.156024112 T 27 CATAB v2.0f-lin.ifort 2020-Nov-13 01:27:23 2020-Nov-13 01:27
2191-Apr-20 18:28 00:05 Jupiter 1.83750822618552 1.83750727789951 1.83750917452418 4.05808800368003 3.94286103026866 2521416.269290322 5.24117817673422 655.541194456362 26.1816521954112 -88.8663841926149 1761536.4872894 T 27 CATAB v2.0f-lin.ifort 2020-Nov-13 01:27:23 2020-Nov-13 01:27

Alternate Designations
 2001 HU8 = 1986 UC3 = 1986 WH5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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