Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
31180 (1997 YX3)
Classification: Mars-crossing Asteroid          SPK-ID: 2031180
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4227467524985911 6.89e-08  
a 2.780852309789803 2.2843e-08 AU
q 1.605256026647958 1.9213e-07 AU
i 27.9628321855901 2.724e-05 deg
node 298.7117167896048 1.7669e-05 deg
peri 86.08642518060574 3.3932e-05 deg
M 279.1624627422988 2.41e-05 deg
tp 2457380.843401848463
(2015-Dec-24.34340185)
0.00011541 JED
period 1693.812420694475
4.64
2.087e-05
5.714e-08
d
yr
n .2125382926713912 2.6188e-09 deg/d
Q 3.956448592931649 3.2499e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      380  
   data-arc span      11499 days (31.48 yr)  
   first obs. used      1984-01-05  
   last obs. used      2015-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .66777  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:47:44  

Additional Information
 Earth MOID = .842269 AU 
 T_jup = 3.041 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2 mag n/a MPO263608  
rotation period rot_per 15.6 h n/a LCDB (Rev. 2015-July); 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:
[Warner, B.D. (2007) Minor Planet Bul. 34, 32-37.]

31180 (1997 YX3)          Discovered 1997-Dec-22 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 YX3 = 1984 AD 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Sep-02 21:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin