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100626 (1997 UE2)
Classification: Main-belt Asteroid          SPK-ID: 2100626
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2644308077688987 3.9508e-08  
a 2.601097222399571 9.0847e-09 au
q 1.913286982795014 1.034e-07 au
i 6.401355491000035 5.6263e-06 deg
node 33.30112320084123 3.1269e-05 deg
peri 51.97400626669153 3.2663e-05 deg
M 110.2857157387136 7.9544e-06 deg
tp 2458531.092450461283
(2019-Feb-16.59245046)
3.3449e-05 TDB
period 1532.262965353532
4.20
8.0275e-06
2.198e-08
d
yr
n .2349466169581008 1.2309e-09 deg/d
Q 3.288907462004129 1.1487e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1074  
   data-arc span      8253 days (22.60 yr)  
   first obs. used      1997-09-23  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50186  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:54:05  

Additional Information
 Earth MOID = .936948 au 
 Jupiter MOID = 1.99848 au 
 T_jup = 3.356 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457020.5 (2014-Dec-29.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2642159116519602 3.9465e-08  
q 1.914503258599254 1.0323e-07 au
tp 2456999.746839649082
(2014-Dec-08.24683965)
3.3549e-05 TDB
node 33.33509182360778 3.1288e-05 deg
peri 52.26278034538587 3.2685e-05 deg
i 6.399284527184907 5.6236e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1074  
   data-arc span      8253 days (22.60 yr)  
   first obs. used      1997-09-23  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50186  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:54:05  

Additional Information
 Jupiter MOID = 1.99848 au 
 T_jup = 3.356 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.557471956602743E-15 -4.065321578181096E-15 -6.097294498872962E-13 9.362712956533335E-15 -1.758827659553313E-13 -2.165535775229792E-15
q -4.065321578181096E-15 1.065670410084967E-14 1.552772298765193E-12 -2.402961735189976E-14 4.490449962632676E-13 5.769840120271355E-15
tp -6.097294498872962E-13 1.552772298765193E-12 1.125520669447166E-9 -6.640538583479857E-12 3.246534446792451E-10 5.441892940455782E-13
node 9.362712956533335E-15 -2.402961735189976E-14 -6.640538583479857E-12 9.789150326884891E-10 -9.74249339881783E-10 3.016314461821E-11
peri -1.758827659553313E-13 4.490449962632676E-13 3.246534446792451E-10 -9.74249339881783E-10 1.068317607198324E-9 -2.981551909661878E-11
i -2.165535775229792E-15 5.769840120271355E-15 5.441892940455782E-13 3.016314461821E-11 -2.981551909661878E-11 3.162497009623418E-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 14.9   n/a MPO469012  

100626 (1997 UE2)          Discovered 1997-Oct-21 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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