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 ]  
136642 (1995 DF8)
Classification: Main-belt Asteroid          SPK-ID: 2136642
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1325662098571099 8.913e-08  
a 2.520154148534538 1.0024e-08 au
q 2.186066864807643 2.2526e-07 au
i 3.244813223424654 7.9634e-06 deg
node 154.4164297621446 9.0925e-05 deg
peri 257.823959656182 0.00010161 deg
M 211.7235018417735 4.1718e-05 deg
tp 2459602.378604752865
(2022-Jan-22.87860475)
0.00017018 TDB
period 1461.29899479967
4.00
8.7182e-06
2.387e-08
d
yr
n .2463561538611423 1.4698e-09 deg/d
Q 2.854241432261434 1.1352e-08 au
  Orbit Determination Parameters
   # obs. used (total)      757  
   data-arc span      10253 days (28.07 yr)  
   first obs. used      1991-03-12  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59121  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:28:34  

Additional Information
 Earth MOID = 1.19966 au 
 Jupiter MOID = 2.48852 au 
 T_jup = 3.442 
[ 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 16.0   n/a MPO475188  
diameter diameter 1.810 km 0.177 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.258   0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136642 (1995 DF8)          Discovered 1995-Feb-24 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

Alternate Designations
 1995 DF8 = 1993 TK18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-26 00:25 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin