Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2202675555466248 4.5085e-08  
a 3.125222317012298 1.5319e-08 au
q 2.43683723670424 1.3932e-07 au
i 13.96430796070682 4.7267e-06 deg
node 250.9325098225866 1.7518e-05 deg
peri 142.095066587423 1.9566e-05 deg
M 101.8834152501807 9.0325e-06 deg
tp 2458029.388643617992
(2017-Oct-02.88864362)
4.9274e-05 TDB
period 2017.993682216675
5.52
1.4837e-05
4.062e-08
d
yr
n .1783950084544151 1.3117e-09 deg/d
Q 3.813607397320356 1.8693e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2084  
   data-arc span      29094 days (79.66 yr)  
   first obs. used      1939-09-14  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44005  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 19:30:56  

Additional Information
 Earth MOID = 1.46027 au 
 Jupiter MOID = 1.68982 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-January); 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 16:09 00:01 Jupiter 1.893116744325 1.89311580047278 1.89311768817754 4.15833303005821 4.04930724055818 2437098.173179566 1.32962358128885 121.607548637351 43.1130908646272 -82.9551458339098 3274465.23639034 T 30 CATAB v2.0e-lin.ifort 2019-May-29 19:31:10 2019-May-29 19:31
1970-Dec-15 13:54 00:01 Jupiter 1.72644082592022 1.72644035391387 1.72644129792697 3.56510353728733 3.42472301492078 2440936.079145052 1.0101622771743 161.988667841961 21.4452148271912 86.495358719415 2830479.10222996 T 30 CATAB v2.0e-lin.ifort 2019-May-29 19:31:10 2019-May-29 19:31
2054-May-29 08:07 < 00:01 Jupiter 1.70377594557927 1.70377552937514 1.70377636178437 3.80815578200913 3.67529071520645 2471416.838420326 0.915169050324372 154.892977281143 17.2644969679289 86.1760118953409 3202788.30998382 T 30 CATAB v2.0e-lin.ifort 2019-May-29 19:31:10 2019-May-29 19:31
2064-Nov-05 17:14 00:01 Jupiter 1.9530287337392 1.95302765435436 1.95302981312459 2.75876324798533 2.59680204287074 2475230.217994176 1.46875763660573 97.3773329923907 58.0900951815443 66.5481776861092 1922724.77291607 T 30 CATAB v2.0e-lin.ifort 2019-May-29 19:31:10 2019-May-29 19:31
2137-Nov-09 23:44 00:03 Jupiter 1.73352459968279 1.73352368870795 1.73352551067418 3.93550701606438 3.80932928930258 2501896.488557142 2.79820590613025 332.320127835307 25.4677443228354 -83.8453605847745 3484585.42859195 T 30 CATAB v2.0e-lin.ifort 2019-May-29 19:31:10 2019-May-29 19:31
2148-May-16 02:57 00:03 Jupiter 1.8165187367144 1.81651683423643 1.81652063921478 3.30561256501653 3.16140738256589 2505736.622945156 3.32145145017122 353.998202103599 28.9844641509042 73.1162889281943 2486741.74606366 T 30 CATAB v2.0e-lin.ifort 2019-May-29 19:31:10 2019-May-29 19:31

Alternate Designations
 1978 WK = 1939 RM = 1952 BG1 = 1977 OB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin