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 ]  
48639 (1995 TL8)
Classification: TransNeptunian Object          SPK-ID: 2048639
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2392834995145431 2.5453e-05  
a 52.46258460337021 0.0026055 au
q 39.909153765898 0.00076436 au
i .2503040488804881 5.838e-05 deg
node 259.970672548871 0.0092136 deg
peri 84.08598011675383 0.010751 deg
M 46.83369936639665 0.0064815 deg
tp 2440944.193681416320
(1970-Dec-23.69368142)
1.184 TDB
period 138794.7218056853
380.00
10.34
0.02831
d
yr
n .002593758576093444 1.9323e-07 deg/d
Q 65.01601544084241 0.003229 au
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      8095 days (22.16 yr)  
   first obs. used      1995-10-15  
   last obs. used      2017-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .53058  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:47:22  

Additional Information
 Earth MOID = 38.9018 au 
 Jupiter MOID = 34.9255 au 
 T_jup = 6.265 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456143.5 (2012-Aug-04.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2406530371583433 2.6186e-05  
q 40.18857723043958 0.00073961 au
tp 2441388.293898903403
(1972-Mar-11.79389890)
1.1631 TDB
node 260.968529631535 0.009703 deg
peri 85.19383330154209 0.01109 deg
i .2426958329877084 5.7491e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      8095 days (22.16 yr)  
   first obs. used      1995-10-15  
   last obs. used      2017-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .53058  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:47:22  

Additional Information
 Jupiter MOID = 34.9255 au 
 T_jup = 6.265 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.857063193595887E-10 1.497204234261688E-8 2.566717015400081E-5 -3.658618693119481E-10 1.144764070430536E-7 2.623864541357939E-12
q 1.497204234261688E-8 5.470218800813692E-7 .0008528710432441481 -1.147139251826582E-8 3.960151072349742E-6 8.058848489963363E-11
tp 2.566717015400081E-5 .0008528710432441481 1.352705402810496 -1.827274212992815E-5 .006237567469205538 1.288071498528223E-7
node -3.658618693119481E-10 -1.147139251826582E-8 -1.827274212992815E-5 9.414780828737046E-5 -9.423073004632371E-5 -5.434887433075283E-7
peri 1.144764070430536E-7 3.960151072349742E-6 .006237567469205538 -9.423073004632371E-5 .0001229916317942682 5.44073465489864E-7
i 2.623864541357939E-12 8.058848489963363E-11 1.288071498528223E-7 -5.434887433075283E-7 5.44073465489864E-7 3.305173585193362E-9

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 4.8   n/a MPO422016  

48639 (1995 TL8)          Discovered 1995-Oct-15 by Gleason, A. at Steward
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-24 14:52 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin