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26980 (1997 UQ10)
Classification: Main-belt Asteroid          SPK-ID: 2026980
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2569871036520263 4.0542e-08  
a 2.604181147419236 9.2263e-09 au
q 1.934940176958756 1.0621e-07 au
i 4.792870452398512 3.7443e-06 deg
node 145.0198066569283 5.0343e-05 deg
peri 234.2054264410245 5.0845e-05 deg
M 185.4438691253009 6.2716e-06 deg
tp 2459944.782519224921
(2022-Dec-31.28251923)
2.7872e-05 TDB
period 1534.98880605521
4.20
8.1574e-06
2.233e-08
d
yr
n .2345293975955232 1.2464e-09 deg/d
Q 3.273422117879716 1.1597e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1123  
   data-arc span      10936 days (29.94 yr)  
   first obs. used      1991-04-06  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49493  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 05:29:55  

Additional Information
 Earth MOID = .940252 au 
 Jupiter MOID = 2.19729 au 
 T_jup = 3.361 
[ 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 15.22   n/a E2021B10  
rotation period rot_per 5.30207 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

26980 (1997 UQ10)          Discovered 1997-Oct-29 by Zoltowski, F. B. at Woomera
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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