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 ]  
2215 Sichuan (1964 VX2)
Classification: Main-belt Asteroid          SPK-ID: 2002215
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2608915569330408 4.288e-08  
a 2.793323961558289 1.1543e-08 au
q 2.064569324208978 1.2114e-07 au
i 10.76819111398244 4.3472e-06 deg
node 71.03243420854396 2.5034e-05 deg
peri 333.4347889170801 2.6257e-05 deg
M 334.8004265946567 9.7227e-06 deg
tp 2459119.863370929645
(2020-Sep-27.36337093)
4.6473e-05 TDB
period 1705.219879855615
4.67
1.057e-05
2.894e-08
d
yr
n .2111164690564609 1.3086e-09 deg/d
Q 3.522078598907601 1.4554e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2603  
   data-arc span      28604 days (78.31 yr)  
   first obs. used      1942-04-12  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41303  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:47:11  

Additional Information
 Earth MOID = 1.08055 au 
 Jupiter MOID = 1.89376 au 
 T_jup = 3.253 
[ 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 11.7   n/a MPO358649  
diameter diameter 12.920 km 0.215 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.975 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2007) Minor Planet Bull. 34, 31-32.]
geometric albedo albedo 0.242   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2215 Sichuan           Discovered 1964 Nov. 12 at the Purple Mountain Observatory.
Named for the most populous province of China, noted for its agricultural products.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 6059Last Updated: 2006-03-21

[ show close-approach data ]
Alternate Designations
 1964 VX2 = 1942 GO = 1950 XO = 1978 WO12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-24 13:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin