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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
49457 (1998 YC30)
Classification: Main-belt Asteroid          SPK-ID: 2049457
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1303574926898742 3.7132e-08  
a 2.693467264606316 1.5487e-08 au
q 2.342353625349983 1.0117e-07 au
i 13.03722604912977 4.8372e-06 deg
node 140.685850730235 1.6373e-05 deg
peri 321.4305937067327 2.4987e-05 deg
M 191.8067827472183 2.0757e-05 deg
tp 2459354.848370546045
(2021-May-20.34837055)
9.6699e-05 TDB
period 1614.603833806412
4.42
1.3925e-05
3.812e-08
d
yr
n .2229649109350271 1.923e-09 deg/d
Q 3.044580903862649 1.7505e-08 au
  Orbit Determination Parameters
   # obs. used (total)      863  
   data-arc span      8149 days (22.31 yr)  
   first obs. used      1997-07-11  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56748  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:42:34  

Additional Information
 Earth MOID = 1.373 au 
 Jupiter MOID = 2.09414 au 
 T_jup = 3.322 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO439429  

49457 (1998 YC30)          Discovered 1998-Dec-19 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 YC30 = 2000 EV154 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-22 11:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin