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 ]  
1122 Neith (1928 SB)
Classification: Main-belt Asteroid          SPK-ID: 2001122
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2552538375138233 2.3092e-08  
a 2.608118568301196 9.2306e-09 au
q 1.942386295051257 6.3951e-08 au
i 4.730842688517606 1.5034e-06 deg
node 63.3459128868573 9.6482e-06 deg
peri 328.7756910885365 9.8187e-06 deg
M 311.9644996760713 7.7402e-06 deg
tp 2459405.781230011864
(2021-Jul-10.28123001)
3.3837e-05 TDB
period 1538.471386910012
4.21
8.1674e-06
2.236e-08
d
yr
n .2339985020605762 1.2422e-09 deg/d
Q 3.273850841551136 1.1587e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2505  
   data-arc span      35032 days (95.91 yr)  
   first obs. used      1924-11-24  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42383  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 12:11:45  

Additional Information
 Earth MOID = .949314 au 
 Jupiter MOID = 2.16948 au 
 T_jup = 3.359 
[ 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 11.81   n/a E2021B10  
diameter diameter 11.566 km 0.261 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 12.599 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:
[Oey, J. (2009) Minor Planet Bull. 36, 162-165.]
geometric albedo albedo 0.284   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

1122 Neith (1928 SB)          Discovered 1928-Sep-17 by Delporte, E. at Uccle
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1928 SB = 1941 YH = 1953 OA = A924 VA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-10 14:55 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin