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100538 (1997 ET10)
Classification: Main-belt Asteroid          SPK-ID: 2100538
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .116704273507872 7.368e-08  
a 3.117806590668194 2.887e-08 au
q 2.753945237566207 2.206e-07 au
i 9.619892239616002 7.017e-06 deg
node 7.322308875843374 3.2642e-05 deg
peri 43.47056702966897 4.1742e-05 deg
M 236.4340947127249 2.6382e-05 deg
tp 2459890.689483416187
(2022-Nov-07.18948342)
0.00015135 TDB
period 2010.815309062562
5.51
2.7929e-05
7.647e-08
d
yr
n .1790318575641993 2.4867e-09 deg/d
Q 3.481667943770181 3.2239e-08 au
  Orbit Determination Parameters
   # obs. used (total)      315  
   data-arc span      8505 days (23.29 yr)  
   first obs. used      1997-03-02  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58311  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:05:39  

Additional Information
 Earth MOID = 1.772 au 
 Jupiter MOID = 1.99948 au 
 T_jup = 3.185 
[ 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 15.44   n/a E2021B55  

100538 (1997 ET10)          Discovered 1997-Mar-07 by Spacewatch at Kitt Peak
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
2103-Dec-20 04:41 00:05 Jupiter 1.99236175096987 1.99236110660275 1.99236239533732 3.55719635828848 3.43560418694678 2489517.695397860 4.51243300739077 74.9156948521974 30.057431258531 70.7714569242124 1082196.58608506 T 10 CATAB v2.0f-lin.ifort 2020-Nov-12 20:05:41 2020-Nov-12 20:05
2175-Nov-25 06:21 00:08 Jupiter 1.99448387984878 1.99448295486468 1.99448480483594 4.36659658360632 4.26823155512183 2515790.764372363 7.58915480982072 171.392934825514 25.3205296160078 82.9838025822525 1535417.73883209 T 10 CATAB v2.0f-lin.ifort 2020-Nov-12 20:05:41 2020-Nov-12 20:05
2186-Jan-25 18:13 00:09 Jupiter 1.99469511249384 1.9946940484657 1.99469617652266 2.66400635803558 2.49953089703337 2519505.259027406 8.89789103835392 92.7501025907074 62.8357225082228 6.08286616702292 978716.463765326 T 10 CATAB v2.0f-lin.ifort 2020-Nov-12 20:05:41 2020-Nov-12 20:05

Alternate Designations
 1997 ET10 = 2000 WV70 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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