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
JPL Small-Body Database Browser
Search: [ help ]  
1242 Zambesia (1932 HL)
Classification: Main-belt Asteroid          SPK-ID: 2001242
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1899314941039041 1.6011e-08  
a 2.736415813639767 8.1233e-09 au
q 2.216684269665615 4.4253e-08 au
i 10.1419316200011 1.0331e-06 deg
node 349.735452334724 3.9374e-06 deg
peri 54.06225350542898 7.3633e-06 deg
M 39.58526012015221 4.2336e-06 deg
tp 2459018.696363245147
(2020-Jun-18.19636325)
1.9297e-05 TDB
period 1653.37575231514
4.53
7.3623e-06
2.016e-08
d
yr
n .2177363491002635 9.6956e-10 deg/d
Q 3.256147357613918 9.6662e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3145  
   data-arc span      41324 days (113.14 yr)  
   first obs. used      1908-02-02  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39384  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:19:04  

Additional Information
 Earth MOID = 1.24062 au 
 Jupiter MOID = 2.27096 au 
 T_jup = 3.303 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.42   n/a E2021B10  
diameter diameter 47.594 km 0.347 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 15.72 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Aznar, A.; Garceran, A.C.; Mansego, E.A.; Rodriguez, P.B.; et al. (2016) Minor Planet Bull. 43, 174-181.]
geometric albedo albedo 0.058   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1242 Zambesia (1932 HL)          Discovered 1932-Apr-28 by Jackson, C. at Johannesburg (UO)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1932 HL = 1947 TE = 1948 AC = 1967 EF = A908 BF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-23 00:47 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin