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 ]  
2938 Hopi (1980 LB)
Classification: Main-belt Asteroid          SPK-ID: 2002938
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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3283968272077542 2.0263e-08  
a 3.152309676493814 1.3554e-08 au
q 2.117101180356944 6.3889e-08 au
i 41.43983242320906 9.2951e-07 deg
node 108.8692586345982 1.0072e-06 deg
peri 263.5145601606633 2.1629e-06 deg
M 49.61417003240443 2.9876e-06 deg
tp 2458918.762297014536
(2020-Mar-10.26229701)
1.5243e-05 TDB
period 2044.286400609405
5.60
1.3185e-05
3.61e-08
d
yr
n .1761005698089482 1.1358e-09 deg/d
Q 4.187518172630685 1.8005e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2962  
   data-arc span      14896 days (40.78 yr)  
   first obs. used      1980-06-11  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39458  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:38:20  

Additional Information
 Earth MOID = 1.42042 au 
 Jupiter MOID = 2.18022 au 
 T_jup = 2.753 
[ 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 11.68   n/a MPCxxxxx  
diameter diameter 19.267 km 0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.109   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2938 Hopi (1980 LB)          Discovered 1980-Jun-14 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-06 23:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin