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 ]  
48158 (2001 GM9)
Classification: Main-belt Asteroid          SPK-ID: 2048158
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1381734215707606 3.8805e-08  
a 2.701305510708106 1.1856e-08 au
q 2.328056885585616 1.0468e-07 au
i 12.89474427852893 4.7536e-06 deg
node 82.55261202362068 1.6686e-05 deg
peri 195.7315791508998 2.3773e-05 deg
M 57.68082472286751 1.5646e-05 deg
tp 2458740.670807120705
(2019-Sep-14.17080712)
7.0559e-05 TDB
period 1621.656935141967
4.44
1.0676e-05
2.923e-08
d
yr
n .2219951656843401 1.4615e-09 deg/d
Q 3.074554135830596 1.3494e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1304  
   data-arc span      8521 days (23.33 yr)  
   first obs. used      1997-06-28  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49271  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:38:42  

Additional Information
 Earth MOID = 1.31426 au 
 Jupiter MOID = 2.04488 au 
 T_jup = 3.317 
[ 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 14.5   n/a MPO474359  
diameter diameter 6.892 km 0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 1.78 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.059   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48158 (2001 GM9)          Discovered 2001-Apr-15 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Dec-03 21:49 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin