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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4225516189857954 6.0949e-08  
a 2.780681269338498 1.6734e-08 au
q 1.605699897096039 1.723e-07 au
i 27.96097301789267 1.8795e-05 deg
node 298.7099506567697 1.5104e-05 deg
peri 86.07167531657616 2.754e-05 deg
M 46.69081779846891 1.6741e-05 deg
tp 2457380.838358816346
(2015-Dec-24.33835882)
7.8454e-05 JED
period 1693.656152424656
4.64
1.5288e-05
4.186e-08
d
yr
n .2125579029040932 1.9187e-09 deg/d
Q 3.955662641580957 2.3804e-08 au
  Orbit Determination Parameters
   # obs. used (total)      488  
   data-arc span      11698 days (32.03 yr)  
   first obs. used      1984-01-05  
   last obs. used      2016-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61163  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 21:08:41  

Additional Information
 Earth MOID = .841791 au 
 Jupiter MOID = 2.54742 au 
 T_jup = 3.042 
[ 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 14.4 mag n/a MPO347752  
rotation period rot_per 15.6 h n/a LCDB (Rev. 2016-February); 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 2016-May-04 23:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin