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120590 (1995 ST42)
Classification: Main-belt Asteroid          SPK-ID: 2120590
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07547088327759777 4.3664e-08  
a 2.73499812882016 1.6875e-08 au
q 2.528585404275525 1.1957e-07 au
i 3.116239929826631 4.5387e-06 deg
node 51.60965288334125 8.3016e-05 deg
peri 343.0257155859477 8.8243e-05 deg
M 182.7927251800569 2.9967e-05 deg
tp 2460013.729310714126
(2023-Mar-10.22931071)
0.00013902 TDB
period 1652.091045102724
4.52
1.529e-05
4.186e-08
d
yr
n .2179056663173281 2.0168e-09 deg/d
Q 2.941410853364795 1.8149e-08 au
  Orbit Determination Parameters
   # obs. used (total)      591  
   data-arc span      9282 days (25.41 yr)  
   first obs. used      1995-09-19  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55168  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:07:15  

Additional Information
 Earth MOID = 1.53405 au 
 Jupiter MOID = 2.3822 au 
 T_jup = 3.346 
[ 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 15.99   n/a E2021B55  

120590 (1995 ST42)          Discovered 1995-Sep-25 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
1967-May-05 15:22 00:05 Hygie 0.0470068566411063 0.0470049860846359 0.0470087287750721 3.01865232423304 3.01865205194526 2439616.140310047 4.90420758892771 590.924338924026 63.2319690526395 -83.3531054650097 110126.769416213 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:16 2021-Apr-13 17:07
2129-Jan-31 18:31 00:02 Juno 0.0425534219035139 0.042529583282011 0.0425772727361139 5.59213470828586 5.5921346571608 2498692.271495925 2.20374922118731 1644.95651716016 51.4781358541824 43.7647251489893 85537.8410549052 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:16 2021-Apr-13 17:07

Alternate Designations
 1995 ST42 = 2002 EE37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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