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379 Huenna (A894 AA)
Classification: Main-belt Asteroid          SPK-ID: 2000379
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 113 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1797850197661851 3.3695e-08  
a 3.140297889226193 9.5923e-09 au
q 2.575719371139952 1.0533e-07 au
i 1.67018355803211 3.8168e-06 deg
node 171.8858428074799 0.00012349 deg
peri 180.4851314144251 0.00012389 deg
M 13.25446222295277 1.0225e-05 deg
tp 2458925.663355124233
(2020-Mar-17.16335512)
5.7667e-05 TDB
period 2032.612994937066
5.56
9.3132e-06
2.55e-08
d
yr
n .1771119248458541 8.115e-10 deg/d
Q 3.704876407312433 1.1317e-08 au
  Orbit Determination Parameters
   # obs. used (total)      4158  
   data-arc span      46331 days (126.85 yr)  
   first obs. used      1894-01-10  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42132  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:53:06  

Additional Information
 Earth MOID = 1.57033 au 
 Jupiter MOID = 1.73483 au 
 T_jup = 3.185 
[ 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 8.9   n/a MPO492753 IRAS observations used: 18
diameter diameter 84.787 km 1.558 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 14.141 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2010) Minor Planet Bull. 37, 112-118.]
[Behrend, R. (2014) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.046   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.672   0.059 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=3.89, mean=11.84, max.=19.79) deg.
U-B UB 0.287   0.039 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=3.89, mean=11.84, max.=19.79) deg.
Tholen spectral type spec_T B   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

379 Huenna (A894 AA)          Discovered 1894-Jan-08 by Charlois, A. at Nice
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ 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
1934-Dec-16 08:04 00:01 Jupiter 1.97151495584916 1.97151445704709 1.97151545465124 2.5389047413006 2.36363633670495 2427787.836205867 1.10965818573895 52.411737512269 8.24809658431488 -82.7193047895035 2855220.78188109 T 113 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:16 2020-Dec-18 01:53
1945-May-01 08:14 < 00:01 Jupiter 1.74500386727054 1.74500351733495 1.74500421720583 1.62582858932593 1.29325995387545 2431576.842892158 0.941800870191473 78.5182007505727 43.7136992512006 -76.5324645221189 2644427.70458438 T 113 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:16 2020-Dec-18 01:53
1955-Sep-11 13:01 < 00:01 Jupiter 1.79243030206738 1.79242994337883 1.79243066075581 1.9724001099628 1.71617350760759 2435362.042300043 0.780060413390571 48.1739433823235 13.8562569383596 -85.9207099834662 2907884.56563319 T 113 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:16 2020-Dec-18 01:53
2028-Dec-14 16:08 < 00:01 Jupiter 1.79191680748984 1.79191648275659 1.7919171322229 1.79245283263538 1.50582390710512 2462120.172126533 0.342816382938373 56.3335881053049 23.1424373711513 -78.660643880996 2931951.98854655 T 113 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:16 2020-Dec-18 01:53
2039-Apr-30 06:13 < 00:01 Jupiter 1.7464047491739 1.74640438572835 1.74640511261935 1.70364970534289 1.39010925895973 2465908.759271408 0.508151294037405 60.32042692883 31.4615659465185 -71.1549884885566 2868329.93545365 T 113 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:16 2020-Dec-18 01:53
2049-Sep-04 04:27 < 00:01 Jupiter 1.96251742098983 1.96251695437752 1.96251788760214 2.99447363758554 2.84669499057133 2469688.685737803 0.6600803382742 34.7826194427853 13.6628959268947 85.3627245853727 2703692.20969177 T 113 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:16 2020-Dec-18 01:53
2112-Jul-30 03:41 00:02 Jupiter 1.86180895677212 1.86180835804109 1.86180955550326 2.07332713047319 1.84086757085231 2492662.653255888 1.52850353777105 73.4529526129432 10.1526500050952 89.1369009200301 2309206.95319421 T 113 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:16 2020-Dec-18 01:53
2122-Dec-13 22:30 00:02 Jupiter 1.73268066388756 1.73268032712451 1.73268100065051 1.60595111134792 1.26545531570536 2496451.437377496 1.70414785290271 114.225164556553 45.0678450276309 -76.1016412294697 2822637.95804795 T 113 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:16 2020-Dec-18 01:53
2133-Apr-23 12:51 00:02 Jupiter 1.88693516165482 1.88693439840056 1.88693592490885 2.44906340519838 2.25834798023179 2500235.035395326 1.90122220687268 53.192067487892 4.92687239893453 83.7208552490263 1866884.30859706 T 113 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:16 2020-Dec-18 01:53
2196-Mar-14 09:36 00:03 Jupiter 1.9459819132434 1.94598086634258 1.94598296014465 2.46431121307771 2.28085399053492 2523205.900047265 2.73325899811041 89.9612178531846 7.16243736371251 -81.1159661790561 2117920.16765358 T 113 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:16 2020-Dec-18 01:53

Alternate Designations
 A894 AA = 1948 XM = A895 DB = A911 BA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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