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 ]  
80444 (1999 YG9)
Classification: Main-belt Asteroid          SPK-ID: 2080444
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 .1520779907742707 2.963e-08  
a 2.458327421297568 9.1058e-09 au
q 2.08446992640134 7.3126e-08 au
i 3.608663274440908 3.0428e-06 deg
node 310.4109093788297 6.2736e-05 deg
peri 301.1945051349024 6.4809e-05 deg
M 348.4438842654914 1.3994e-05 deg
tp 2459045.692607213324
(2020-Jul-15.19260721)
5.4631e-05 TDB
period 1407.855283779614
3.85
7.8221e-06
2.142e-08
d
yr
n .2557081002200183 1.4207e-09 deg/d
Q 2.832184916193796 1.0491e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1596  
   data-arc span      13847 days (37.91 yr)  
   first obs. used      1982-09-12  
   last obs. used      2020-08-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52255  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:19:31  

Additional Information
 Earth MOID = 1.07287 au 
 Jupiter MOID = 2.22132 au 
 T_jup = 3.473 
[ 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 15.0   n/a MPO436343  

80444 (1999 YG9)          Discovered 1999-Dec-31 by Korlevic, K. at Visnjan
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Dec-03 02:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin