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 ]  
18938 Zarabeth (2000 QU44)
Classification: Main-belt Asteroid          SPK-ID: 2018938
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1541344216936134 3.803e-08  
a 2.708528810819791 1.1839e-08 au
q 2.291051288923592 1.0397e-07 au
i 3.915738326838069 4.096e-06 deg
node 351.4484760452758 5.6289e-05 deg
peri 27.33446627874498 5.7914e-05 deg
M 164.9537319976922 1.3312e-05 deg
tp 2458454.466617470434
(2018-Dec-01.96661747)
5.8979e-05 TDB
period 1628.165755682335
4.46
1.0675e-05
2.923e-08
d
yr
n .2211077089317178 1.4497e-09 deg/d
Q 3.126006332715989 1.3664e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1080  
   data-arc span      15480 days (42.38 yr)  
   first obs. used      1978-10-27  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53356  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:42:51  

Additional Information
 Earth MOID = 1.29242 au 
 Jupiter MOID = 2.34711 au 
 T_jup = 3.343 
[ 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 14.97   n/a E2021B10  
diameter diameter 5.143 km 1.233 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.073   0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

18938 Zarabeth           Discovered 2000 Aug. 24 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Zarabeth Lehr Golden (b. 1986) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for her behavioral and social sciences project. She attends the Blanche Ely High School, Pompano Beach, Florida, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040830/MPCPages.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 2000 QU44 = 1978 UT5 = 1991 PW5 = 1991 RB42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-17 22:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin