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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2642362148338216 3.8453e-08  
a 2.601323097210467 8.7554e-09 au
q 1.91395932844378 1.0033e-07 au
i 6.400699213306869 5.6097e-06 deg
node 33.29790795101869 2.8569e-05 deg
peri 51.96807537036526 2.9942e-05 deg
M 157.3007670149172 7.9368e-06 deg
tp 2458530.895733767715
(2019-Feb-16.39573377)
3.2999e-05 TDB
period 1532.462558308839
4.20
7.7368e-06
2.118e-08
d
yr
n .2349160167392806 1.186e-09 deg/d
Q 3.288686865977155 1.1069e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1159  
   data-arc span      8309 days (22.75 yr)  
   first obs. used      1997-09-23  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50369  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:33:02  

Additional Information
 Earth MOID = .937264 au 
 Jupiter MOID = 1.99903 au 
 T_jup = 3.356 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457349.5 (2015-Nov-23.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2645775516281066 3.8333e-08  
q 1.913482908511634 1.0002e-07 au
tp 2456999.615194794975
(2014-Dec-08.11519480)
3.2698e-05 TDB
node 33.30923370296691 2.8567e-05 deg
peri 52.20280601050459 2.9939e-05 deg
i 6.401126485990124 5.6095e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1159  
   data-arc span      8309 days (22.75 yr)  
   first obs. used      1997-09-23  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50369  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:33:02  

Additional Information
 Jupiter MOID = 1.99903 au 
 T_jup = 3.356 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.469436081702792E-15 -3.826040228685473E-15 -6.758516773652444E-13 4.246532390059884E-15 -1.982442618705598E-13 -2.139812777596835E-15
q -3.826040228685473E-15 1.00043833503896E-14 1.7392657943593E-12 -1.102586978957864E-14 5.130248115350171E-13 5.681051076560885E-15
tp -6.758516773652444E-13 1.7392657943593E-12 1.069166153920988E-9 -2.676226449626973E-12 2.985421836305774E-10 7.370704572508181E-13
node 4.246532390059884E-15 -1.102586978957864E-14 -2.676226449626973E-12 8.160923070849159E-10 -8.113438420941786E-10 3.093804269539282E-11
peri -1.982442618705598E-13 5.130248115350171E-13 2.985421836305774E-10 -8.113438420941786E-10 8.963536214526826E-10 -3.050574123249613E-11
i -2.139812777596835E-15 5.681051076560885E-15 7.370704572508181E-13 3.093804269539282E-11 -3.050574123249613E-11 3.146641560602639E-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 14.82   n/a E2021B55  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2067-Sep-16 13:24 < 00:01 Jupiter 1.99328221809404 1.99328189176058 1.99328254442693 1.2148783390399 0.791234619344112 2476275.058195173 0.752564677066856 253.198715309031 165.697386058498 3.03073184147837 2172104.72945731 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 15:33:05 2021-Apr-13 15:33
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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