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 ]  
26887 Tokyogiants (1994 TO15)
Classification: Main-belt Asteroid          SPK-ID: 2026887
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2464985535523059 4.48e-08  
a 2.441321447010094 1.0946e-08 au
q 1.839539241565884 1.0779e-07 au
i 8.322400013530016 5.2061e-06 deg
node 22.43962168677365 2.9299e-05 deg
peri 203.8790691592221 3.0426e-05 deg
M 38.79107887690503 1.0332e-05 deg
tp 2458850.370777892248
(2020-Jan-01.87077789)
3.945e-05 TDB
period 1393.271894558426
3.81
9.3704e-06
2.565e-08
d
yr
n .2583845991626035 1.7378e-09 deg/d
Q 3.043103652454305 1.3644e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1249  
   data-arc span      11405 days (31.23 yr)  
   first obs. used      1989-03-27  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53442  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 19:30:06  

Additional Information
 Earth MOID = .834231 au 
 Jupiter MOID = 1.95669 au 
 T_jup = 3.445 
[ 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 14.3   n/a MPO459044  
rotation period rot_per 2.876 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2008) Minor Planet Bull. 35, 163-167.]

26887 Tokyogiants           Discovered 1994 Oct. 14 by I. Sato and H. Araki at Kiso.
The Tokyo Yomiuri Giants is a professional baseball team in Japan.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030318/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1994 TO15 = 1989 FE = 1990 SY24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-06 10:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin