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100620 (1997 TM20)
Classification: Main-belt Asteroid          SPK-ID: 2100620
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 .0442614963053981 1.21e-07  
a 3.106750909110365 3.2667e-08 au
q 2.969241465224985 3.9316e-07 au
i 15.64500894288856 6.0613e-06 deg
node 29.50856145955924 2.1621e-05 deg
peri 125.3640659042833 0.00011749 deg
M 323.6354672261651 0.00010463 deg
tp 2459402.538245849684
(2021-Jul-07.03824585)
0.00057989 TDB
period 2000.129328162851
5.48
3.1546e-05
8.637e-08
d
yr
n .1799883612179545 2.8388e-09 deg/d
Q 3.244260352995745 3.4113e-08 au
  Orbit Determination Parameters
   # obs. used (total)      343  
   data-arc span      8556 days (23.43 yr)  
   first obs. used      1997-10-03  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49599  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:33:00  

Additional Information
 Earth MOID = 1.99715 au 
 Jupiter MOID = 1.75377 au 
 T_jup = 3.162 
[ 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 15.3   n/a MPO532308  
diameter diameter 5.645 km 0.163 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100620 (1997 TM20)          Discovered 1997-Oct-03 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
1904-Apr-21 12:21 00:05 Jupiter 1.79030929031853 1.79030760456095 1.79031097614979 4.76596592827611 4.66564045544138 2416592.014690715 4.80474368503095 692.582718518217 43.1289439635937 -84.0928306568687 1765377.47171914 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 15:33:02 2021-Apr-13 15:33
1975-Jul-25 11:41 00:02 Jupiter 1.78224469251211 1.78224333016827 1.78224605490884 4.81897563186203 4.71932348007309 2442618.987141299 1.70397893989742 606.340920373561 35.3814166478621 -84.8841681205505 1819574.44833198 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 15:33:02 2021-Apr-13 15:33
2046-Oct-26 01:28 00:01 Jupiter 1.77731908623332 1.77731780215877 1.77732037036294 4.85674285822418 4.75760495846595 2468644.561350455 1.44492808081128 608.652194453342 31.7850964712152 -85.2089475362256 1783515.81551302 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 15:33:02 2021-Apr-13 15:33
2118-Jan-27 23:47 00:04 Jupiter 1.77298381977453 1.77298245034581 1.77298518928064 4.88232039363073 4.78346898817281 2494670.490917028 4.47887894152614 698.243230230914 32.0424271564543 -85.4725027217008 1820614.54027475 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 15:33:02 2021-Apr-13 15:33
2189-Apr-30 19:06 00:08 Jupiter 1.76913579806277 1.76913402550112 1.76913757079216 4.89331468987067 4.79447322913883 2520696.295589923 7.57975408732428 953.524724918103 31.7226561513701 -85.3460043105085 1893790.92148048 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 15:33:02 2021-Apr-13 15:33
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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