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100556 (1997 GS2)
Classification: Main-belt Asteroid          SPK-ID: 2100556
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 .1328494550437837 3.9496e-08  
a 2.760067010268799 1.3208e-08 au
q 2.393393612070264 1.0817e-07 au
i 3.511009477068777 5.2437e-06 deg
node 12.73429804341165 6.4419e-05 deg
peri 117.1376309413594 6.8499e-05 deg
M 104.8300807567378 2.1211e-05 deg
tp 2458712.790420759288
(2019-Aug-17.29042076)
9.7753e-05 TDB
period 1674.857514744129
4.59
1.2023e-05
3.292e-08
d
yr
n .2149436574937527 1.5429e-09 deg/d
Q 3.126740408467335 1.4963e-08 au
  Orbit Determination Parameters
   # obs. used (total)      643  
   data-arc span      8477 days (23.21 yr)  
   first obs. used      1997-03-05  
   last obs. used      2020-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53626  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:05:33  

Additional Information
 Earth MOID = 1.41051 au 
 Jupiter MOID = 1.91903 au 
 T_jup = 3.326 
[ 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 15.78   n/a E2021B55  
diameter diameter 3.473 km 0.285 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100556 (1997 GS2)          Discovered 1997-Apr-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
1902-Sep-17 03:11 00:02 Jupiter 1.94003102339958 1.94003056655936 1.94003148024013 2.42577789477318 2.23856946957588 2416009.632467678 2.38847784339943 88.0144390194522 14.9274722762114 -80.5954701493662 2742281.46702182 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 20:05:34 2020-Nov-12 20:05
1962-Sep-08 14:06 00:01 Jupiter 1.92431668716528 1.92431620667427 1.92431716765629 2.58666368964067 2.41049645497511 2437916.087331626 1.14111317694282 71.8499153823613 11.1641360732541 88.8520078225331 2178933.67664215 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 20:05:34 2020-Nov-12 20:05
2022-Aug-30 23:55 < 00:01 Jupiter 1.99075827981888 1.99075776081161 1.99075879882604 2.99924883445128 2.85386385672638 2459822.496423278 0.264059777447044 47.0294791784967 15.5662628609066 -84.4088577716685 2305237.60246483 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 20:05:34 2020-Nov-12 20:05
2044-Dec-22 10:11 < 00:01 Jupiter 1.95863911946171 1.9586387157578 1.95863952316562 2.4656019279933 2.28348059945079 2467971.924489844 0.650902406141291 49.4821228587326 11.5679022295095 89.8920590928169 2868817.14567525 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 20:05:34 2020-Nov-12 20:05
2104-Dec-16 01:29 00:02 Jupiter 1.92168213896954 1.92168172525608 1.921682552683 2.54505006795872 2.36553103124902 2489879.561823708 1.86564165280833 106.589653981563 11.7199064412839 -86.644253770186 2380510.04687327 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 20:05:34 2020-Nov-12 20:05
2164-Dec-08 10:16 00:03 Jupiter 1.96982961912051 1.96982874793669 1.96983049030713 2.87966089793041 2.72625222092948 2511786.927824423 3.09965110559808 165.993375093571 16.5953744600186 83.7721843890237 2174235.68505172 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 20:05:34 2020-Nov-12 20:05
2187-Apr-01 21:37 00:04 Jupiter 1.96648132325769 1.96648018813349 1.96648245838277 2.48776055414552 2.30813616562301 2519936.400587259 3.57317207510718 103.549598993708 21.9457432608188 -69.2660243825829 2756271.34056441 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 20:05:34 2020-Nov-12 20:05

Alternate Designations
 1997 GS2 = 2001 BA36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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