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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4572955878222311 4.0109e-08  
a 3.038043452827314 1.7412e-08 au
q 1.648759586237167 1.2127e-07 au
i 15.88615554528024 4.5842e-06 deg
node 88.61011819241951 1.866e-05 deg
peri 286.1775117110521 1.8983e-05 deg
M 220.8615211682799 9.6489e-06 deg
tp 2459748.039505579915
(2022-Jun-17.53950558)
5.718e-05 TDB
period 1934.146644899341
5.30
1.6628e-05
4.552e-08
d
yr
n .1861285962723553 1.6002e-09 deg/d
Q 4.427327319417461 2.5375e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1400  
   data-arc span      14867 days (40.70 yr)  
   first obs. used      1979-08-14  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52272  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:29:04  

Additional Information
 Earth MOID = .732421 au 
 Jupiter MOID = 1.54496 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 12.9   n/a MPO337304  
rotation period rot_per 10.050 h n/a LCDB (Rev. 2019-August); 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 00:03 Jupiter 1.76042357418929 1.76042120923778 1.76042593916431 2.7298857030987 2.54754429959358 2427929.766918229 2.7076857709993 357.045296434269 35.9930705738536 74.6500400685078 2352042.93211211 T 28 CATAB v2.0f-lin.ifort 2020-May-20 02:29:10 2020-May-20 02:29
1993-Jun-29 15:52 < 00:01 Jupiter 1.61658193404697 1.61658093953085 1.616582928563 3.14081912681459 2.96931422348884 2449168.161446938 0.810811732204218 68.5505779304254 47.886812062916 89.7202076145361 1300683.35318839 T 28 CATAB v2.0f-lin.ifort 2020-May-20 02:29:10 2020-May-20 02:29
2041-Sep-07 06:06 < 00:01 Jupiter 1.54714140699801 1.54714057310689 1.54714224088966 2.92327424993629 2.72957518552167 2466769.753960052 0.913039313004606 80.2050031377525 32.3483481138061 71.6481204565176 2063669.80731843 T 28 CATAB v2.0f-lin.ifort 2020-May-20 02:29:10 2020-May-20 02:29
2090-Mar-07 11:58 00:03 Jupiter 1.97981416334669 1.97981157241615 1.97981675433709 3.48312620699287 3.35805145368304 2484482.998737323 2.68413719567594 572.029747739346 15.3819699550847 78.2043752481043 2588898.21989349 T 28 CATAB v2.0f-lin.ifort 2020-May-20 02:29:10 2020-May-20 02:29
2100-Jan-09 20:55 00:02 Jupiter 1.85516963314962 1.85516625229337 1.85517301401146 4.11668229987025 4.00423835944551 2488078.371401885 2.36818826064942 241.472277858364 52.5785928907699 -48.7511988850122 1444029.14269774 T 28 CATAB v2.0f-lin.ifort 2020-May-20 02:29:10 2020-May-20 02:29
2148-Mar-08 19:51 00:02 Jupiter 1.48535695647335 1.48535582016412 1.48535809278807 3.40292251664403 3.23100367314222 2505668.327126255 2.48381961507887 252.177299410332 41.8457076867958 -83.9838275110226 1824091.41335757 T 28 CATAB v2.0f-lin.ifort 2020-May-20 02:29:10 2020-May-20 02:29
2196-May-20 11:44 00:05 Jupiter 1.65274805209057 1.65274366344017 1.65275244080016 3.29744655103608 3.13817891455577 2523272.988661918 4.91437199396529 551.862970103459 17.2098274377124 67.3166386911317 2855388.05453631 T 28 CATAB v2.0f-lin.ifort 2020-May-20 02:29:10 2020-May-20 02:29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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