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19890 (3042 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2019890
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04578095481126448 2.8339e-08  
a 2.22747188955855 6.7865e-09 au
q 2.125496099639308 6.4278e-08 au
i 4.193245638894374 3.5749e-06 deg
node 145.5658034518666 4.3515e-05 deg
peri 322.7878795772191 6.4006e-05 deg
M 331.1943477370894 4.4773e-05 deg
tp 2459297.661002628899
(2021-Mar-24.16100263)
0.00015086 TDB
period 1214.274220460552
3.32
5.5493e-06
1.519e-08
d
yr
n .2964733945051213 1.3549e-09 deg/d
Q 2.329447679477792 7.0972e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1336  
   data-arc span      17336 days (47.46 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52338  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:08:33  

Additional Information
 Earth MOID = 1.14366 au 
 Jupiter MOID = 2.69884 au 
 T_jup = 3.640 
[ 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 15.55   n/a MPCxxxxx  

19890 (3042 T-2)          Discovered 1973-Sep-30 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ 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
2179-Oct-27 16:46 00:02 Juno 0.0214668957404286 0.0214605968385811 0.0214732065675921 4.96069781512568 4.96069770088153 2517223.198644286 2.39500770622954 860.107545706142 28.6652130155981 -68.6572398460935 104287.070515697 T 29 CATAB v2.0f-lin.ifort 2021-Apr-13 03:08:37 2021-Apr-13 03:08

Alternate Designations
 3042 T-2 = 1996 NS2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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