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26212 (1997 TG26)
Classification: Main-belt Asteroid          SPK-ID: 2026212
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2268383908122969 4.6514e-08  
a 2.572251905697594 1.2239e-08 au
q 1.988766422645288 1.1971e-07 au
i 2.798569474758636 4.8182e-06 deg
node 302.8823168266056 8.7205e-05 deg
peri 53.41382592058166 8.7927e-05 deg
M 237.1993495972109 1.729e-05 deg
tp 2459714.504403449751
(2022-May-15.00440345)
7.5498e-05 TDB
period 1506.845319100262
4.13
1.0755e-05
2.945e-08
d
yr
n .2389097244665804 1.7051e-09 deg/d
Q 3.1557373887499 1.5015e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1400  
   data-arc span      11368 days (31.12 yr)  
   first obs. used      1989-12-28  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55903  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 05:14:14  

Additional Information
 Earth MOID = .984218 au 
 Jupiter MOID = 2.30246 au 
 T_jup = 3.391 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456246.5 (2012-Nov-15.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2252672129656569 4.6432e-08  
q 1.994215632912156 1.1961e-07 au
tp 2456694.516590207574
(2014-Feb-06.01659021)
5.8472e-05 TDB
node 303.160568258746 8.664e-05 deg
peri 52.40117226882503 8.739e-05 deg
i 2.807746635376228 4.8282e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1400  
   data-arc span      11368 days (31.12 yr)  
   first obs. used      1989-12-28  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55903  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 05:14:14  

Additional Information
 Jupiter MOID = 2.30246 au 
 T_jup = 3.391 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.155892920851925E-15 -5.535393899594499E-15 -1.992301337815995E-13 3.944052447447167E-15 -9.081034740754944E-14 1.199528459681702E-16
q -5.535393899594499E-15 1.430705162153954E-14 9.480999810090236E-13 -1.296747580941441E-14 3.136450776347135E-13 -3.538616168082729E-16
tp -1.992301337815995E-13 9.480999810090236E-13 3.418924863858485E-9 -1.749129225967783E-11 6.862727914951293E-10 -2.756629484924151E-13
node 3.944052447447167E-15 -1.296747580941441E-14 -1.749129225967783E-11 7.506439041581488E-9 -7.500452139577986E-9 1.469782458993169E-10
peri -9.081034740754944E-14 3.136450776347135E-13 6.862727914951293E-10 -7.500452139577986E-9 7.637039262343647E-9 -1.468454424547562E-10
i 1.199528459681702E-16 -3.538616168082729E-16 -2.756629484924151E-13 1.469782458993169E-10 -1.468454424547562E-10 2.331148328893219E-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 14.43   n/a E2021B10  

26212 (1997 TG26)          Discovered 1997-Oct-11 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 TG26 = 1993 VU2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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