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 ]  
70104 (1999 JG138)
Classification: Main-belt Asteroid          SPK-ID: 2070104
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08914186256100612 4.4554e-08  
a 3.170577169224958 1.9475e-08 au
q 2.887946014966843 1.4613e-07 au
i 22.96691072881913 6.2284e-06 deg
node 47.68557474551175 1.0968e-05 deg
peri 89.52588273098428 4.1405e-05 deg
M 301.5813621895063 3.7664e-05 deg
tp 2459335.122272382482
(2021-Apr-30.62227238)
0.00021581 TDB
period 2062.081941185806
5.65
1.9e-05
5.202e-08
d
yr
n .1745808412409552 1.6086e-09 deg/d
Q 3.453208323483073 2.1211e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2227  
   data-arc span      9693 days (26.54 yr)  
   first obs. used      1994-05-03  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39763  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:54:18  

Additional Information
 Earth MOID = 2.01391 au 
 Jupiter MOID = 1.77906 au 
 T_jup = 3.073 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.3   n/a MPO502589  
diameter diameter 16.632 km 0.164 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70104 (1999 JG138)          Discovered 1999-May-08 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JG138 = 1994 JL4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-27 20:59 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin