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JPL Small-Body Database Browser
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393358 (1997 TT2)
Classification: Main-belt Asteroid          SPK-ID: 2393358
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2256355151569391 1.2297e-07  
a 2.331446841275612 2.8435e-08 au
q 1.805389632183371 2.6881e-07 au
i 1.977219303381793 6.5267e-06 deg
node 345.109907570946 0.00025218 deg
peri 17.30783665213892 0.00025415 deg
M 139.3530904118135 4.2447e-05 deg
tp 2458497.172328812661
(2019-Jan-13.67232881)
0.00014504 TDB
period 1300.279463426102
3.56
2.3788e-05
6.513e-08
d
yr
n .2768635590470969 5.065e-09 deg/d
Q 2.857504050367854 3.4851e-08 au
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      8158 days (22.34 yr)  
   first obs. used      1997-10-02  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57823  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:49:47  

Additional Information
 Earth MOID = .802865 au 
 Jupiter MOID = 2.60066 au 
 T_jup = 3.535 
[ 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 17.9   n/a MPO297784  

393358 (1997 TT2)          Discovered 1997-Oct-03 by ODAS at Caussols
Reference: Last Updated: 2014-05-15

[ 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
1970-May-24 00:43 00:02 Hebe 0.0479941053754731 0.0479913163678316 0.0479968952179038 4.93533745007613 4.93533742383075 2440730.529644179 1.60399334009017 910.756696125801 130.21663146298 -86.9008804038937 55035.0851909803 T 12 CATAB v2.0f-lin.ifort 2020-Feb-26 04:49:49 2020-Feb-26 04:49

Alternate Designations
 1997 TT2 = 2004 RA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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