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 ]  
24855 (1995 YM4)
Classification: Main-belt Asteroid          SPK-ID: 2024855
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2762096465526503 4.7451e-08  
a 2.578107883819039 2.0872e-08 AU
q 1.866009616454781 1.2632e-07 AU
i 5.032762964755161 5.1273e-06 deg
node 102.1367165936919 7.4365e-05 deg
peri 321.2247667955102 7.6464e-05 deg
M 224.6612191052062 2.349e-05 deg
tp 2457568.920610376475
(2016-Jun-29.42061038)
0.00010477 JED
period 1511.993963464192
4.14
1.8362e-05
5.027e-08
d
yr
n .2380961886747147 2.8914e-09 deg/d
Q 3.290206151183297 2.6638e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      718  
   data-arc span      8602 days (23.55 yr)  
   first obs. used      1992-01-30  
   last obs. used      2015-08-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51587  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 15:04:58  

Additional Information
 Earth MOID = .88219 AU 
 T_jup = 3.366 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4 mag n/a MPO299138  

24855 (1995 YM4)          Discovered 1995-Dec-22 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 YM4 = 1999 XO3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Sep-04 05:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin