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2152 Hannibal (1978 WK)
Classification: Main-belt Asteroid          SPK-ID: 2002152
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2204489176475807 4.4385e-08  
a 3.124239221638653 1.4632e-08 au
q 2.435504066756292 1.3727e-07 au
i 13.96462319675761 4.3638e-06 deg
node 250.929025777957 1.6819e-05 deg
peri 142.0062853604011 1.8434e-05 deg
M 173.3769725459064 8.817e-06 deg
tp 2458029.087334514758
(2017-Oct-02.58733451)
4.6467e-05 TDB
period 2017.041562322194
5.52
1.417e-05
3.88e-08
d
yr
n .1784792176446462 1.2538e-09 deg/d
Q 3.812974376521014 1.7857e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2428  
   data-arc span      29496 days (80.76 yr)  
   first obs. used      1939-09-14  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42032  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:41:26  

Additional Information
 Earth MOID = 1.45956 au 
 Jupiter MOID = 1.69266 au 
 T_jup = 3.132 
[ 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 10.8   n/a MPO384768  
diameter diameter 44.559 km 0.556 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 5.978 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Ditteon, R.; Hawkins, S. (2007) Minor Planet Bull. 34, 59-64.]
geometric albedo albedo 0.047   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B Ch   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)

2152 Hannibal (1978 WK)          Discovered 1978-Nov-19 by Wild, P. at Zimmerwald
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
1960-Jun-12 16:10 00:01 Jupiter 1.89311676539283 1.89311584413089 1.89311768665509 4.15833240693591 4.04930660188823 2437098.173272735 1.2871587960174 115.536200067333 41.6302991528333 -82.0675340934108 3498540.37075151 T 34 CATAB v2.0f-lin.ifort 2020-Jun-23 15:41:38 2020-Jun-23 15:41
1970-Dec-15 13:54 < 00:01 Jupiter 1.72644071617725 1.72644026512156 1.72644116723333 3.56510317193186 3.42472262548295 2440936.079197442 0.976415079291367 157.085624800718 20.8983165575698 86.5407172268946 3116174.51178651 T 34 CATAB v2.0f-lin.ifort 2020-Jun-23 15:41:38 2020-Jun-23 15:41
2054-May-29 08:07 < 00:01 Jupiter 1.70377584755265 1.70377545422269 1.70377624088377 3.80815499942176 3.67528989654527 2471416.838265753 0.866726284618394 148.916298213071 15.7248307849643 85.7225693090384 3522310.59092026 T 34 CATAB v2.0f-lin.ifort 2020-Jun-23 15:41:38 2020-Jun-23 15:41
2064-Nov-05 17:14 00:01 Jupiter 1.95302881254238 1.95302780837929 1.9530298167058 2.75876240496089 2.59680115400608 2475230.217781229 1.39415849039803 91.0011840420297 56.017538414378 68.2255845787967 1993546.38917868 T 34 CATAB v2.0f-lin.ifort 2020-Jun-23 15:41:38 2020-Jun-23 15:41
2137-Nov-09 23:43 00:03 Jupiter 1.73352436026861 1.73352352359008 1.7335251969627 3.93550615183283 3.80932837872997 2501896.488220019 2.67441484551278 320.217827842313 23.2257300839318 -84.1096058507753 3890989.34011898 T 34 CATAB v2.0f-lin.ifort 2020-Jun-23 15:41:38 2020-Jun-23 15:41
2148-May-16 02:56 00:03 Jupiter 1.81651893921023 1.81651712742207 1.81652075101862 3.30561140475019 3.16140618581672 2505736.622554215 3.1759944972278 337.198510577091 28.564863343933 73.1320116108052 2676242.09027108 T 34 CATAB v2.0f-lin.ifort 2020-Jun-23 15:41:38 2020-Jun-23 15:41

Alternate Designations
 1978 WK = 1939 RM = 1952 BG1 = 1977 OB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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