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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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1802331563186092 4.4546e-08  
a 2.55370987874723 9.5299e-09 au
q 2.093446686978603 1.173e-07 au
i 1.687041708718924 4.7357e-06 deg
node 336.2412513819968 0.00011023 deg
peri 16.30966043261895 0.00011074 deg
M 219.0300886223413 1.1994e-05 deg
tp 2459584.186552267765
(2022-Jan-04.68655227)
5.1823e-05 TDB
period 1490.581619601536
4.08
8.3438e-06
2.284e-08
d
yr
n .2415164626115781 1.3519e-09 deg/d
Q 3.013973070515856 1.1248e-08 au
  Orbit Determination Parameters
   # obs. used (total)      915  
   data-arc span      10563 days (28.92 yr)  
   first obs. used      1991-02-19  
   last obs. used      2020-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58452  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:13:48  

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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