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 ]  
187018 (2004 YC25)
Classification: Jupiter Trojan          SPK-ID: 2187018
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05464246650569468 6.5854e-08  
a 5.149114787330622 1.5751e-07 au
q 4.867754455029931 4.5517e-07 au
i 10.48547746379083 5.139e-06 deg
node 124.2634507995641 4.1278e-05 deg
peri 188.6156057990228 8.3745e-05 deg
M 300.3949932840743 7.5073e-05 deg
tp 2459907.106336413574
(2022-Nov-23.60633641)
0.00089444 TDB
period 4267.733452681921
11.68
0.00019582
5.361e-07
d
yr
n .08435390916313423 3.8705e-09 deg/d
Q 5.430475119631312 1.6611e-07 au
  Orbit Determination Parameters
   # obs. used (total)      209  
   data-arc span      6905 days (18.90 yr)  
   first obs. used      2001-09-21  
   last obs. used      2020-08-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5137  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:55:31  

Additional Information
 Earth MOID = 3.85187 au 
 Jupiter MOID = .120893 au 
 T_jup = 2.964 
[ 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 13.69   n/a E2021B55  
diameter diameter 10.419 km 1.341 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.054   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

187018 (2004 YC25)          Discovered 2004-Dec-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-13 14:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin