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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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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456937.5 (2014-Oct-07.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .25404919754482 4.0247e-08  
q 1.944067116317715 1.0513e-07 au
tp 2456869.332980016557
(2014-Jul-30.83298002)
2.7782e-05 TDB
node 145.1019516556336 5.0198e-05 deg
peri 233.6222682817941 5.0737e-05 deg
i 4.794548400888866 3.7472e-06 deg
  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
 Jupiter MOID = 2.19729 au 
 T_jup = 3.361 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.619860726085948E-15 -4.222450572759282E-15 4.694895749119884E-14 7.851936750682086E-15 -3.880549649868157E-14 -3.313423186918863E-15
q -4.222450572759282E-15 1.105302751111071E-14 -1.611902074515248E-13 -1.951197795711661E-14 9.108380016632555E-14 8.773795499870988E-15
tp 4.694895749119884E-14 -1.611902074515248E-13 7.718119419826973E-10 -3.442453707722244E-12 2.200851375783832E-10 -9.035524529152437E-13
node 7.851936750682086E-15 -1.951197795711661E-14 -3.442453707722244E-12 2.519822716889155E-9 -2.51209324320385E-9 3.873594936384941E-11
peri -3.880549649868157E-14 9.108380016632555E-14 2.200851375783832E-10 -2.51209324320385E-9 2.574240375936612E-9 -3.877193753407727E-11
i -3.313423186918863E-15 8.773795499870988E-15 -9.035524529152437E-13 3.873594936384941E-11 -3.877193753407727E-11 1.404129749957105E-11

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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