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100629 (1997 UL5)
Classification: Main-belt Asteroid          SPK-ID: 2100629
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1438708304516998 6.2638e-08  
a 2.405068701980678 1.2615e-08 au
q 2.059049470533326 1.5074e-07 au
i 9.497762099492881 6.1016e-06 deg
node 29.20991241518944 3.3799e-05 deg
peri 269.2507764607291 4.0059e-05 deg
M 98.26862990109353 2.0618e-05 deg
tp 2458628.620655146446
(2019-May-25.12065515)
7.8551e-05 TDB
period 1362.353014202244
3.73
1.0718e-05
2.934e-08
d
yr
n .2642486904987735 2.079e-09 deg/d
Q 2.751087933428029 1.443e-08 au
  Orbit Determination Parameters
   # obs. used (total)      473  
   data-arc span      8997 days (24.63 yr)  
   first obs. used      1996-03-24  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57486  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:28:10  

Additional Information
 Earth MOID = 1.07039 au 
 Jupiter MOID = 2.49034 au 
 T_jup = 3.491 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457316.5 (2015-Oct-21.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1441796688127021 6.2515e-08  
q 2.058415766731456 1.5058e-07 au
tp 2457267.500678387230
(2015-Sep-02.00067839)
8.1325e-05 TDB
node 29.22876265454439 3.3775e-05 deg
peri 269.5603035541507 4.0019e-05 deg
i 9.501752514219081 6.1044e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      473  
   data-arc span      8997 days (24.63 yr)  
   first obs. used      1996-03-24  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57486  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:28:10  

Additional Information
 Jupiter MOID = 2.49034 au 
 T_jup = 3.491 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.908091063558969E-15 -9.388841387136796E-15 1.59389958838224E-12 -5.914557751105276E-15 2.681336130057222E-13 -1.184385478996776E-14
q -9.388841387136796E-15 2.267425005139332E-14 -4.132436892980862E-12 1.253251218339869E-14 -7.271063085755779E-13 2.940727510069584E-14
tp 1.59389958838224E-12 -4.132436892980862E-12 6.613793057288315E-9 2.942377902153711E-11 1.761596219303244E-9 -1.759403961331931E-11
node -5.914557751105276E-15 1.253251218339869E-14 2.942377902153711E-11 1.140773170417886E-9 -1.116255732604573E-9 -6.634785445870052E-11
peri 2.681336130057222E-13 -7.271063085755779E-13 1.761596219303244E-9 -1.116255732604573E-9 1.6014902480608E-9 6.119928045217228E-11
i -1.184385478996776E-14 2.940727510069584E-14 -1.759403961331931E-11 -6.634785445870052E-11 6.119928045217228E-11 3.726326412584701E-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 15.9   n/a MPO449611  

100629 (1997 UL5)          Discovered 1997-Oct-21 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1997 UL5 = 1996 FM22 = 2004 PH104 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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