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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2413785695098381 2.3939e-08  
a 3.115204269328097 1.7224e-08 au
q 2.363260719066741 7.6419e-08 au
i 15.18955102919506 8.815e-07 deg
node 226.7162930993884 1.4181e-06 deg
peri 89.37083947930091 4.2606e-06 deg
M 109.8160443708981 6.2302e-06 deg
tp 2458587.879512864473
(2019-Apr-14.37951286)
3.2918e-05 TDB
period 2008.298301329408
5.50
1.6656e-05
4.56e-08
d
yr
n .1792562388573925 1.4867e-09 deg/d
Q 3.867147819589453 2.1382e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2081  
   data-arc span      12546 days (34.35 yr)  
   first obs. used      1986-10-28  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43399  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 05:25:17  

Additional Information
 Earth MOID = 1.40848 au 
 Jupiter MOID = 1.77357 au 
 T_jup = 3.120 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457343.5 (2015-Nov-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2449510273353643 2.3815e-08  
q 2.34803286659412 7.6125e-08 au
tp 2456583.397905196117
(2013-Oct-17.89790520)
3.2272e-05 TDB
node 226.8156456666377 1.4207e-06 deg
peri 89.46556576909967 4.2411e-06 deg
i 15.18219534343537 8.8087e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2081  
   data-arc span      12546 days (34.35 yr)  
   first obs. used      1986-10-28  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43399  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 05:25:17  

Additional Information
 Jupiter MOID = 1.77357 au 
 T_jup = 3.120 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.671595272011119E-16 -1.786651316166376E-15 3.899828669067329E-13 -8.216167564400835E-15 2.781762947178771E-14 -2.194540003176496E-15
q -1.786651316166376E-15 5.794947121809853E-15 -1.30833858698419E-12 2.577474392451892E-14 -8.839755034487514E-14 6.81042777592527E-15
tp 3.899828669067329E-13 -1.30833858698419E-12 1.041484112803887E-9 -4.754431200535878E-12 1.19648406274766E-10 -6.008091526055268E-13
node -8.216167564400835E-15 2.577474392451892E-14 -4.754431200535878E-12 2.018384385079869E-12 -2.309200443470097E-12 4.620524063546718E-13
peri 2.781762947178771E-14 -8.839755034487514E-14 1.19648406274766E-10 -2.309200443470097E-12 1.798662417073265E-11 -4.258314010656619E-13
i -2.194540003176496E-15 6.81042777592527E-15 -6.008091526055268E-13 4.620524063546718E-13 -4.258314010656619E-13 7.759388952797314E-13

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 12.97   n/a E2021B10  
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. 2020-October); 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

[ 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
1966-Apr-27 13:41 00:01 Jupiter 1.77936421852394 1.77936397448108 1.77936446256892 3.56228364368242 3.42604933083652 2439243.070081606 1.26145911491023 144.066485478594 8.82240117642001 83.5523416297212 8964348.76402514 T 31 CATAB v2.0f-lin.ifort 2021-Apr-13 05:26:14 2021-Apr-13 05:26
2037-Dec-24 15:45 < 00:01 Jupiter 1.84068973266836 1.84068951615937 1.84068994917746 2.58708536194216 2.40264001009272 2465417.156027656 0.753735719827428 69.5742990927508 16.4265677744961 73.272473760467 4407266.26065144 T 31 CATAB v2.0f-lin.ifort 2021-Apr-13 05:26:14 2021-Apr-13 05:26
2048-Feb-16 08:09 < 00:01 Jupiter 1.94692725973793 1.94692671938085 1.94692780009721 5.26340893811264 5.18009281009263 2469122.839395154 0.845207003028575 110.976854387046 7.29905483281104 -77.2127631342355 13302088.7504128 T 31 CATAB v2.0f-lin.ifort 2021-Apr-13 05:26:14 2021-Apr-13 05:26
2109-Oct-11 10:58 00:04 Jupiter 1.91165268553167 1.91165201984701 1.91165335126153 0.952532628289867 0.145432544251285 2491639.956789215 3.82773615886967 489124.119777438 1207.85460943868 -0.0625438695485621 168344.328475941 T 31 CATAB v2.0f-lin.ifort 2021-Apr-13 05:26:14 2021-Apr-13 05:26
2119-Sep-15 23:39 00:03 Jupiter 1.86569606877181 1.8656951380872 1.86569699948071 4.72736559189223 4.63033359443405 2495266.485577919 2.58821013775756 346.125631440783 6.54344800410289 -83.4069311841277 12528708.9719937 T 31 CATAB v2.0f-lin.ifort 2021-Apr-13 05:26:14 2021-Apr-13 05:26
2181-Aug-27 00:37 00:06 Jupiter 1.95931607058936 1.95931536681158 1.95931677436949 1.44794329072687 1.1099231451295 2517892.525579005 6.00855087875481 1748.16428344772 47.1302591383308 10.8613470110859 1015808.89599777 T 31 CATAB v2.0f-lin.ifort 2021-Apr-13 05:26:14 2021-Apr-13 05:26
2191-Apr-20 18:28 00:05 Jupiter 1.83750840777251 1.83750789263475 1.83750892297002 4.05808919436408 3.94286226794873 2521416.269589994 4.53986620654831 551.641010405963 6.58720005656101 -89.500804750984 10093927.8703466 T 31 CATAB v2.0f-lin.ifort 2021-Apr-13 05:26:14 2021-Apr-13 05:26

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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