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 ]  
146725 (2001 XG30)
Classification: Inner Main-belt Asteroid          SPK-ID: 2146725
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 .06396451164749824 5.6245e-08  
a 1.912707236179111 7.8308e-09 au
q 1.790361851892278 1.0835e-07 au
i 19.73198323366969 3.6714e-06 deg
node 274.8563283727885 1.3775e-05 deg
peri 236.2117692472638 3.8567e-05 deg
M 166.0782419932077 3.8156e-05 deg
tp 2458154.760197341923
(2018-Feb-05.26019734)
0.00010137 TDB
period 966.209221816488
2.65
5.9337e-06
1.625e-08
d
yr
n .3725901097520002 2.2881e-09 deg/d
Q 2.035052620465944 8.3317e-09 au
  Orbit Determination Parameters
   # obs. used (total)      753  
   data-arc span      7628 days (20.88 yr)  
   first obs. used      1999-01-09  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4722  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 13:01:06  

Additional Information
 Earth MOID = .842207 au 
 Jupiter MOID = 3.12589 au 
 T_jup = 3.859 
[ 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 16.1   n/a MPO333914  
diameter diameter 1.166 km 0.240 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.622   0.252 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146725 (2001 XG30)          Discovered 2001-Dec-11 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-11 01:29 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin