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6042 Cheshirecat (1990 WW2)
Classification: Mars-crossing Asteroid          SPK-ID: 2006042
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4575447214027581 2.5297e-08  
a 3.038395365229094 1.3308e-08 au
q 1.648193604333917 8.0304e-08 au
i 15.88654313858942 1.6066e-06 deg
node 88.60788220563732 4.5163e-06 deg
peri 286.1595825228684 4.4057e-06 deg
M 294.6277261051634 5.7116e-06 deg
tp 2459747.782039137687
(2022-Jun-17.28203914)
3.25e-05 TDB
period 1934.482718055735
5.30
1.2709e-05
3.48e-08
d
yr
n .18609626058682 1.2226e-09 deg/d
Q 4.428597126124272 1.9397e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1633  
   data-arc span      15292 days (41.87 yr)  
   first obs. used      1979-08-14  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5045  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 00:19:41  

Additional Information
 Earth MOID = .731295 au 
 Jupiter MOID = 1.5461 au 
 T_jup = 3.020 
[ 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 12.94   n/a MPO614063  
rotation period rot_per 10.050 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Folberth, J.; Casimir, S.; Dou, Y.; Evans, D; et al. (2012) Minor Planet Bull. 39, 51-55.]
[Stephens, R.D. (2012) Minor Planet Bull. 39, 80-82.]

6042 Cheshirecat           Discovered 1990 Nov. 23 by A. Natori and T. Urata at the JCPM Yakiimo Station.
Named for a cat appearing in Lewis Carroll's famous fairy tale Alice in Wonderland . Its unique characteristic is its laughing voice that lingers after the cat fades away. Name and citation proposed by T. Urata.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990202/MPCPages.arcLast Updated: 2010-06-11

[ 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
1935-May-07 06:24 00:02 Jupiter 1.76042373299407 1.76042216898264 1.7604252970165 2.72988376856882 2.54754224467966 2427929.767008439 1.93688724337727 241.394750996105 13.1512696071604 74.6534016577143 6223807.55069934 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 00:20:21 2021-Jul-08 00:20
1993-Jun-29 15:52 < 00:01 Jupiter 1.61658155895105 1.61658114695054 1.61658197095173 3.14081605709422 2.96931093649519 2449168.161193629 0.464381599071858 43.9659334933511 14.2282376318498 -70.5588574038294 3395494.64109501 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 00:20:21 2021-Jul-08 00:20
2041-Sep-07 06:05 < 00:01 Jupiter 1.54714109324996 1.5471407391112 1.54714144738907 2.9232718908289 2.7295726194382 2466769.753715303 0.577633583715683 50.5650703684336 9.17055136332556 72.0072814322741 5045355.63288808 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 00:20:21 2021-Jul-08 00:20
2090-Mar-07 11:58 00:02 Jupiter 1.97981378948461 1.97981191250926 1.9798156664953 3.48312348344186 3.35804860533515 2484482.998522455 1.98951180008232 436.779219408796 7.26907514453806 78.860807533243 7219079.00059804 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 00:20:21 2021-Jul-08 00:20
2100-Jan-09 20:54 00:01 Jupiter 1.85516958760747 1.85516725214149 1.85517192307703 4.11667916979049 4.00423513929996 2488078.371047561 1.40940960703139 174.527844574407 14.6026850713792 -51.1295022445838 3390920.43544638 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 00:20:21 2021-Jul-08 00:20
2148-Mar-08 19:51 00:02 Jupiter 1.48535670826045 1.48535621661372 1.48535719991326 3.40292043149481 3.23100144852586 2505668.326869764 1.75636972512831 185.616157285297 12.3824935680052 -86.0795176796772 5080087.71134434 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 00:20:21 2021-Jul-08 00:20
2196-May-20 11:43 00:04 Jupiter 1.65274730488341 1.65274394030846 1.65275066949321 3.29744430684779 3.13817648354125 2523272.988241911 3.70220354355627 423.203471232299 6.03518343027488 67.2037953677739 7649817.11149532 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 00:20:21 2021-Jul-08 00:20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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