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JPL Small-Body Database Browser
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27971 (1997 TO12)
Classification: Main-belt Asteroid          SPK-ID: 2027971
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1802331563651295 4.4589e-08  
a 2.553709878788005 9.5342e-09 au
q 2.09344668689323 1.174e-07 au
i 1.687041821836465 4.7454e-06 deg
node 336.2412468690193 0.00011089 deg
peri 16.30966492221489 0.0001114 deg
M 219.0300886306669 1.2028e-05 deg
tp 2459584.186552247273
(2022-Jan-04.68655225)
5.1949e-05 TDB
period 1490.581619637237
4.08
8.3475e-06
2.285e-08
d
yr
n .2415164626057937 1.3525e-09 deg/d
Q 3.013973070682779 1.1253e-08 au
  Orbit Determination Parameters
   # obs. used (total)      912  
   data-arc span      10549 days (28.88 yr)  
   first obs. used      1991-02-19  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58534  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 02:58:43  

Additional Information
 Earth MOID = 1.08809 au 
 Jupiter MOID = 2.41992 au 
 T_jup = 3.415 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO426075  

27971 (1997 TO12)          Discovered 1997-Oct-02 by Spacewatch at Kitt Peak
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 TO12 = 1999 CX134 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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