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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1164149677021 5.1694e-08  
a 3.236564286673764 1.585e-08 au
q 2.859779759774867 1.6549e-07 au
i 14.49628925094235 5.7727e-06 deg
node 5.400469798628624 1.2295e-05 deg
peri 352.5645182957609 1.949e-05 deg
M 24.23959346353647 1.3598e-05 deg
tp 2459057.298484425929
(2020-Jul-26.79848443)
8.0497e-05 TDB
period 2126.790850853825
5.82
1.5623e-05
4.277e-08
d
yr
n .1692691125953799 1.2434e-09 deg/d
Q 3.613348813572661 1.7695e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3725  
   data-arc span      38098 days (104.31 yr)  
   first obs. used      1916-10-01  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .34606  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:50:18  

Additional Information
 Earth MOID = 1.85551 au 
 Jupiter MOID = 1.84092 au 
 T_jup = 3.124 
[ 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 10.74   n/a E2021B10  
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. 2020-October); 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 1.96805397028898 1.96805344044422 1.96805450013453 4.01412655655859 3.90543728386006 2470985.496481023 1.04770189772296 132.749443972355 20.4067756874872 83.4881704575837 3012784.50654512 T 41 CATAB v2.0f-lin.ifort 2021-Feb-24 00:50:27 2021-Feb-24 00:50
2064-Oct-27 07:32 00:01 Jupiter 1.92780951941819 1.92780900772392 1.92781003111311 4.12097859719822 4.01294451987267 2475220.813636382 1.38307979578817 177.56199984854 22.6161459583077 86.8606448306586 3014123.607287 T 41 CATAB v2.0f-lin.ifort 2021-Feb-24 00:50:27 2021-Feb-24 00:50
2076-Jun-11 18:41 00:02 Jupiter 1.9032620693929 1.90326159398493 1.90326254480098 4.19896470315145 4.09160482940068 2479466.278145806 1.79024863628515 254.846596242123 22.6558309902282 89.6229319439267 3021590.02527284 T 41 CATAB v2.0f-lin.ifort 2021-Feb-24 00:50:27 2021-Feb-24 00:50
2088-Jan-29 11:57 00:02 Jupiter 1.8904659476488 1.89046550208282 1.89046639321489 4.25938588972911 4.1528627419205 2483714.997896328 2.28935150710321 386.718438911837 20.8623435454648 -89.9467636234468 3207017.83335641 T 41 CATAB v2.0f-lin.ifort 2021-Feb-24 00:50:27 2021-Feb-24 00:50
2099-Sep-15 19:00 00:03 Jupiter 1.89245337905955 1.89245286272617 1.89245389539475 4.30911093503603 4.20395990923894 2487962.291821060 2.90283639816204 400.14848917396 23.815536774094 89.4250561559359 3465002.30823653 T 41 CATAB v2.0f-lin.ifort 2021-Feb-24 00:50:27 2021-Feb-24 00:50
2111-Apr-26 15:29 00:04 Jupiter 1.91135581644014 1.91135501454169 1.9113566183386 4.35291679544327 4.24989166941881 2492202.145448877 3.65578349081138 267.474135532707 38.8018683906063 89.9818049984484 3327348.24212815 T 41 CATAB v2.0f-lin.ifort 2021-Feb-24 00:50:27 2021-Feb-24 00:50
2122-Nov-21 22:27 00:05 Jupiter 1.95582200829089 1.9558206774473 1.95582333913915 4.39181592479468 4.29207317121231 2496429.435260992 4.56686172512901 233.787954372154 46.2701603439109 -78.166399603568 2817596.3818193 T 41 CATAB v2.0f-lin.ifort 2021-Feb-24 00:50:27 2021-Feb-24 00:50
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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