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 ]  
2162 Anhui (1966 BE)
Classification: Main-belt Asteroid          SPK-ID: 2002162
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1240576506860126 2.9894e-08  
a 2.227241796407965 6.2265e-09 au
q 1.950935411635899 6.6061e-08 au
i 3.048512681588091 4.2254e-06 deg
node 128.5899221741075 6.8777e-05 deg
peri 285.47747565 7.1328e-05 deg
M 195.1995974028894 1.8713e-05 deg
tp 2459556.282984271927
(2021-Dec-07.78298427)
6.3527e-05 TDB
period 1214.086077368611
3.32
5.0912e-06
1.394e-08
d
yr
n .2965193380524204 1.2434e-09 deg/d
Q 2.503548181180031 6.999e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2314  
   data-arc span      40636 days (111.26 yr)  
   first obs. used      1908-11-01  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44802  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:14:13  

Additional Information
 Earth MOID = .964901 au 
 Jupiter MOID = 2.80171 au 
 T_jup = 3.633 
[ 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 12.6   n/a MPO309162  
diameter diameter 7.332 km 0.174 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 8.1048 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pravec, P.; Wolf, M.; Sarounova, L. (2018) http://www.asu.cas.cz/~ppravec/neo.htm]
[Polakis, T. (2019) Minor Planet Bull. 46, 287-292.]
geometric albedo albedo 0.207   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2162 Anhui           Discovered 1966 Jan. 30 at the Purple Mountain Observatory.
Named for a province in the northwestern part of East China that straddles the Yangtze and Huai Rivers.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 5184Last Updated: 2006-03-21

[ show close-approach data ]
Alternate Designations
 1966 BE = 1948 YG = 1954 PF = 1957 LH = 1958 XF = 1964 PN = 1971 SK1 = A908 VB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Mar-29 10:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin