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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1235721428446484 9.1392e-09  
a 2.22812034939663 5.5185e-09 au
q 1.952786743305921 2.0128e-08 au
i 3.049045995986644 9.0868e-07 deg
node 128.5829850684295 1.7925e-05 deg
peri 285.4086590289753 1.9675e-05 deg
M 254.5385061817566 1.2245e-05 deg
tp 2459556.375272196784
(2021-Dec-07.87527220)
4.1802e-05 TDB
period 1214.80450686239
3.33
4.5131e-06
1.236e-08
d
yr
n .2963439779539606 1.1009e-09 deg/d
Q 2.503453955487338 6.2004e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2799  
   data-arc span      40885 days (111.94 yr)  
   first obs. used      1908-11-01  
   last obs. used      2020-10-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42306  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:24:54  

Additional Information
 Earth MOID = .965938 au 
 Jupiter MOID = 2.80169 au 
 T_jup = 3.632 
[ 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 12.75   n/a E2021B10  
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. 2020-October); 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.]
[Olguín, L.; Saucedo, J.C.; Loera-González, P.; Contreras, M.E.; et al. (2020) Minor Planet Bull. 47, 340-342.]
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 ]
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