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 ]  
85504 (1997 TC26)
Classification: Main-belt Asteroid          SPK-ID: 2085504
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .209292899533134 4.1769e-08  
a 2.456127096930668 7.8358e-09 au
q 1.94207713519215 1.0479e-07 au
i 5.565878909317933 3.6131e-06 deg
node 43.63631269606007 4.5946e-05 deg
peri 306.5412460385398 4.6659e-05 deg
M 333.2115464758032 8.0349e-06 deg
tp 2459105.121230489467
(2020-Sep-12.62123049)
3.1446e-05 TDB
period 1405.965556846656
3.85
6.7282e-06
1.842e-08
d
yr
n .2560517917717838 1.2253e-09 deg/d
Q 2.970177058669186 9.4758e-09 au
  Orbit Determination Parameters
   # obs. used (total)      939  
   data-arc span      8917 days (24.41 yr)  
   first obs. used      1996-04-23  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54924  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 19:09:41  

Additional Information
 Earth MOID = .942719 au 
 Jupiter MOID = 2.47422 au 
 T_jup = 3.456 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457148.5 (2015-May-06.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2096135529247876 4.1648e-08  
q 1.94055452967782 1.0443e-07 au
tp 2457701.168026407239
(2016-Nov-08.66802641)
3.1337e-05 TDB
node 43.66775327335986 4.5902e-05 deg
peri 306.8705147688295 4.6614e-05 deg
i 5.569587036062002 3.6153e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      939  
   data-arc span      8917 days (24.41 yr)  
   first obs. used      1996-04-23  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54924  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 19:09:41  

Additional Information
 Jupiter MOID = 2.47422 au 
 T_jup = 3.456 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.734516925496719E-15 -4.342663623745668E-15 -1.241288835842499E-13 -8.119146349952179E-15 -1.644202662407906E-14 -4.583449661361901E-15
q -4.342663623745668E-15 1.090664594248843E-14 2.835167277981813E-13 2.062044427289719E-14 2.973444443942927E-14 1.149454431669776E-14
tp -1.241288835842499E-13 2.835167277981813E-13 9.819827482556169E-10 2.74892922820723E-13 2.769778960783581E-10 2.992857162022599E-14
node -8.119146349952179E-15 2.062044427289719E-14 2.74892922820723E-13 2.106971209151216E-9 -2.09645097894316E-9 -2.234654499381217E-11
peri -1.644202662407906E-14 2.973444443942927E-14 2.769778960783581E-10 -2.09645097894316E-9 2.172907278924584E-9 2.23338183158949E-11
i -4.583449661361901E-15 1.149454431669776E-14 2.992857162022599E-14 -2.234654499381217E-11 2.23338183158949E-11 1.307017089366746E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO436373  

85504 (1997 TC26)          Discovered 1997-Oct-11 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1997 TC26 = 2000 HP1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-26 22:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin