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 ]  
301886 (1998 QY4)
Classification: Main-belt Asteroid          SPK-ID: 2301886
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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3078343263585898 1.39e-06  
a 2.617027586000693 2.1399e-07 AU
q 1.811416662002323 3.5017e-06 AU
i 15.47828792048017 3.7198e-05 deg
node 315.6936805069259 6.8645e-05 deg
peri 355.3468378874437 0.00011571 deg
M 315.7378030229628 0.0002769 deg
tp 2457190.625926526705
(2015-Jun-17.12592653)
0.0012125 JED
period 1546.360963174118
4.23
0.00018967
5.193e-07
d
yr
n .2328046352522057 2.8554e-08 deg/d
Q 3.422638509999063 2.7987e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      71  
   data-arc span      5266 days (14.42 yr)  
   first obs. used      1998-08-17  
   last obs. used      2013-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      1  
   fit RMS      .56572  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-12 12:34:46  

Additional Information
 Earth MOID = .798649 AU 
 T_jup = 3.289 
[ 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 16.5 mag n/a MPO251861  

301886 (1998 QY4)          Discovered 1998-Aug-22 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 1998 QY4 = 2010 ML58 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Nov-29 05:05 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin