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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1798884148352344 4.4576e-08  
a 2.554453015457387 9.5614e-09 au
q 2.094936511735674 1.174e-07 au
i 1.686646832936382 4.7459e-06 deg
node 336.2397707937861 0.00011105 deg
peri 16.34842069587818 0.00011156 deg
M 122.3977269741431 1.1724e-05 deg
tp 2458093.490429482363
(2017-Dec-05.99042948)
4.6888e-05 TDB
period 1491.232312058441
4.08
8.3726e-06
2.292e-08
d
yr
n .2414110779983499 1.3554e-09 deg/d
Q 3.013969519179101 1.1281e-08 au
  Orbit Determination Parameters
   # obs. used (total)      908  
   data-arc span      10269 days (28.11 yr)  
   first obs. used      1991-02-19  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58258  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:06:29  

Additional Information
 Earth MOID = 1.08869 au 
 Jupiter MOID = 2.4164 au 
 T_jup = 3.415 
[ 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 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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