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JPL Small-Body Database Browser
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842 Kerstin (A916 TB)
Classification: Outer Main-belt Asteroid          SPK-ID: 2000842
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1173601955006744 5.3816e-08  
a 3.241307277505524 2.0159e-08 au
q 2.860906821739717 1.7474e-07 au
i 14.49058292946503 6.0821e-06 deg
node 5.4789221456165 1.5236e-05 deg
peri 351.9331743363102 2.2143e-05 deg
M 283.3031144596599 1.6586e-05 deg
tp 2459054.602571581116
(2020-Jul-24.10257158)
9.9227e-05 TDB
period 2131.467589817817
5.84
1.9884e-05
5.444e-08
d
yr
n .1688977124117427 1.5756e-09 deg/d
Q 3.621707733271331 2.2525e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2162  
   data-arc span      37650 days (103.08 yr)  
   first obs. used      1916-10-01  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44552  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 01:58:10  

Additional Information
 Earth MOID = 1.85739 au 
 Jupiter MOID = 1.82796 au 
 T_jup = 3.123 
[ 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 10.6   n/a MPO250201  
diameter diameter 43.576 km 0.190 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 18.716 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J. (2018) Astron. Astrophys. 620, A91.]
geometric albedo albedo 0.051   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

842 Kerstin (A916 TB)          Discovered 1916-Oct-01 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ 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
2053-Mar-23 23:55 00:01 Jupiter 1.96805408432749 1.96805349525129 1.96805467340526 4.01412568855411 3.90543639808442 2470985.496498769 1.22528550234379 151.952108743993 21.1753549604996 82.7963423820179 2885001.88744242 T 31 CATAB v2.0f-lin.ifort 2019-Nov-07 01:58:23 2019-Nov-07 01:58
2064-Oct-27 07:32 00:02 Jupiter 1.92780962954391 1.92780905349145 1.92781020559768 4.12097768668471 4.01294359110136 2475220.813606347 1.59815964021204 195.18454497656 24.8285229011735 86.21008988752 2890722.93368568 T 31 CATAB v2.0f-lin.ifort 2019-Nov-07 01:58:23 2019-Nov-07 01:58
2076-Jun-11 18:40 00:02 Jupiter 1.90326217136134 1.90326163478638 1.90326270793642 4.19896376776562 4.09160387529854 2479466.278070598 2.04080444562136 274.978893731453 25.842949938833 89.6461514361268 2929403.74291235 T 31 CATAB v2.0f-lin.ifort 2019-Nov-07 01:58:23 2019-Nov-07 01:58
2088-Jan-29 11:57 00:03 Jupiter 1.89046603939908 1.89046555045469 1.89046652834347 4.25938486180034 4.15286169286101 2483714.997804391 2.57808149032529 428.321531715125 23.0040892026576 -89.6516024226592 3098120.02750605 T 31 CATAB v2.0f-lin.ifort 2019-Nov-07 01:58:23 2019-Nov-07 01:58
2099-Sep-15 19:00 00:03 Jupiter 1.89245345749934 1.89245292472634 1.89245399027319 4.30910987522678 4.20395882733421 2487962.291696127 3.2368437930699 456.18406867137 24.9966900791031 89.8152064695572 3307204.38965204 T 31 CATAB v2.0f-lin.ifort 2019-Nov-07 01:58:23 2019-Nov-07 01:58
2111-Apr-26 15:29 00:04 Jupiter 1.91135587496607 1.91135505803875 1.91135669189328 4.35291568137629 4.24989053153768 2492202.145307858 4.04662607746966 314.589130421892 39.6565881674554 -89.7129165071656 3230503.42012536 T 31 CATAB v2.0f-lin.ifort 2019-Nov-07 01:58:23 2019-Nov-07 01:58
2122-Nov-21 22:27 00:05 Jupiter 1.95582203541624 1.95582065339405 1.95582341744421 4.39181478045751 4.29207200168148 2496429.435097157 5.02972756825851 266.783577091893 49.9296640817374 -79.6013853205627 2731045.70765425 T 31 CATAB v2.0f-lin.ifort 2019-Nov-07 01:58:23 2019-Nov-07 01:58
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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