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 ]  
512244 (2015 YE18)
Classification: Apollo [NEO]          SPK-ID: 2512244
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 56 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .540957748010606 2.9314e-07  
a 1.037387624513407 1.7413e-08 au
q .4762047513425622 2.9916e-07 au
i 31.02735658420222 1.4555e-05 deg
node 256.7280255208206 1.913e-05 deg
peri 80.57560992435081 2.282e-05 deg
M 2.010966673250225 3.7619e-05 deg
tp 2459198.344180511583
(2020-Dec-14.84418051)
4.0281e-05 TDB
period 385.9313165920029
1.06
9.7169e-06
2.66e-08
d
yr
n .9328084675247621 2.3486e-08 deg/d
Q 1.598570497684252 2.6832e-08 au
  Orbit Determination Parameters
   # obs. used (total)      241  
   data-arc span      1846 days (5.05 yr)  
   first obs. used      2015-12-31  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .48892  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-18 06:27:22  

Additional Information
 Earth MOID = .122163 au 
 Jupiter MOID = 4.03906 au 
 T_jup = 5.659 
[ 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 17.88   n/a MPCxxxxx  

512244 (2015 YE18)          Discovered 2015-Dec-31 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2018-02-05

[ 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 2021-May-10 00:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin