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120552 (1995 CY2)
Classification: Main-belt Asteroid          SPK-ID: 2120552
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06236257811272004 4.3872e-08  
a 3.042944452967005 2.1264e-08 au
q 2.853178591826182 1.4173e-07 au
i 3.419303527489087 4.7898e-06 deg
node 171.8831480838384 6.7405e-05 deg
peri 326.3331700494915 7.7219e-05 deg
M 308.4599380522392 3.8076e-05 deg
tp 2459478.075991187916
(2021-Sep-20.57599119)
0.00020594 TDB
period 1938.82880717009
5.31
2.0323e-05
5.564e-08
d
yr
n .1856791062050781 1.9463e-09 deg/d
Q 3.232710314107827 2.2591e-08 au
  Orbit Determination Parameters
   # obs. used (total)      726  
   data-arc span      9507 days (26.03 yr)  
   first obs. used      1995-02-01  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54549  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:07:04  

Additional Information
 Earth MOID = 1.86704 au 
 Jupiter MOID = 1.77294 au 
 T_jup = 3.234 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457281.5 (2015-Sep-16.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06007129280878072 4.4751e-08  
q 2.859285508437657 1.4396e-07 au
tp 2457551.223505247839
(2016-Jun-11.72350525)
0.00020561 TDB
node 171.9317656178582 6.7331e-05 deg
peri 328.5837336186307 7.755e-05 deg
i 3.419536668796088 4.7945e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      726  
   data-arc span      9507 days (26.03 yr)  
   first obs. used      1995-02-01  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54549  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:07:04  

Additional Information
 Jupiter MOID = 1.77294 au 
 T_jup = 3.234 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.002613471827352E-15 -6.387664690204319E-15 1.466461775766823E-12 -8.439610939076221E-15 3.499813707855924E-13 -9.441772576159123E-16
q -6.387664690204319E-15 2.072582520329406E-14 -3.614278526792599E-12 3.011814598085555E-14 -9.314779182998021E-13 3.634152277682466E-15
tp 1.466461775766823E-12 -3.614278526792599E-12 4.22758223251346E-8 8.140967861007123E-12 7.921671743531837E-9 4.705093592444145E-12
node -8.439610939076221E-15 3.011814598085555E-14 8.140967861007123E-12 4.533463074191571E-9 -4.52387489715229E-9 3.258784214726392E-11
peri 3.499813707855924E-13 -9.314779182998021E-13 7.921671743531837E-9 -4.52387489715229E-9 6.014016681489445E-9 -3.170462463889561E-11
i -9.441772576159123E-16 3.634152277682466E-15 4.705093592444145E-12 3.258784214726392E-11 -3.170462463889561E-11 2.298676700414124E-11

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 14.94   n/a MPCxxxxx  

120552 (1995 CY2)          Discovered 1995-Feb-01 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ 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
1940-Jun-14 04:24 00:02 Jupiter 1.88825321522685 1.88825232917721 1.88825410127863 3.31853030624513 3.18048645780765 2429794.683071032 2.45165699243392 127.382400925184 15.5312186297058 76.1198856194335 2966956.3468017 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:06 2021-Apr-13 17:07
1949-Nov-16 00:13 00:02 Jupiter 1.89081276187629 1.89081200285461 1.89081352089852 2.83977793497959 2.67738751093498 2433236.508986425 2.15955511095563 79.1215205346016 13.1215490108454 -72.4851515271251 2863000.61251417 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:06 2021-Apr-13 17:07
1998-Jan-15 08:36 < 00:01 Jupiter 1.81803188431017 1.81803145793779 1.81803231068245 2.74472140254823 2.56937618413915 2450828.858190617 0.626955810405028 49.7406025351236 10.7206642207635 -85.9684936388619 2808503.67400827 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:06 2021-Apr-13 17:07
2046-Mar-16 04:27 < 00:01 Jupiter 1.79807356205072 1.79807312185294 1.79807400224839 2.83898951023882 2.66790498181273 2468420.685191917 0.99598373147153 63.465562265311 12.7064748578065 -89.7077906041058 2664093.02297563 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:06 2021-Apr-13 17:07
2094-May-14 21:14 00:03 Jupiter 1.84010955900312 1.84010892734298 1.84011019066514 3.09252053129439 2.93990840171454 2486012.384833084 2.53946860051777 135.654972929498 14.1901769866095 83.3444647746328 2810367.47396233 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:06 2021-Apr-13 17:07
2103-Oct-15 23:50 00:03 Jupiter 1.95559686212523 1.95559594614727 1.95559777810363 3.03177751850873 2.88538042493668 2489452.493291185 2.86500985982682 77.5488492661854 17.8299698812128 -64.3464485690694 3045875.87279528 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:06 2021-Apr-13 17:07
2142-Jul-11 12:24 00:04 Jupiter 1.93627004491652 1.93626877278608 1.93627131705147 3.47198518980263 3.34361779206147 2503601.016674189 4.01910766205273 172.506600304861 16.029751101014 73.2621546945192 3136074.51157113 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:06 2021-Apr-13 17:07
2151-Dec-14 18:18 00:04 Jupiter 1.8468914209088 1.84689041842612 1.84689242339704 2.79279044279613 2.62343995412509 2507044.262481971 4.45866755373447 188.142868921395 11.6737434570973 -77.5483155475604 3080947.24300266 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:06 2021-Apr-13 17:07
2200-Feb-13 20:47 00:06 Jupiter 1.78890465635089 1.7889041086808 1.78890520402921 2.75590773066958 2.578382065798 2524637.365819574 6.01866747020927 319.404306159132 11.9639184847383 -85.7374947350049 2715821.53488137 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:06 2021-Apr-13 17:07

Alternate Designations
 1995 CY2 = 2001 GH4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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