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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457319.5 (2015-Oct-24.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2263806921305486 1.2299e-07  
q 1.803303019751361 2.6888e-07 au
tp 2457194.920428353634
(2015-Jun-21.42042835)
0.000123 TDB
node 345.2466696710633 0.00025121 deg
peri 16.78933346274218 0.00025317 deg
i 1.982734279371029 6.535e-06 deg
  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
 Jupiter MOID = 2.60066 au 
 T_jup = 3.535 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.512571157681613E-14 -3.303196921622377E-14 1.196680972300844E-11 -1.231735336326748E-13 2.761151560847065E-12 -1.963838000379988E-14
q -3.303196921622377E-14 7.229508168787058E-14 -2.556628572908573E-11 2.626770833994899E-13 -5.866656364538482E-12 4.22197669149903E-14
tp 1.196680972300844E-11 -2.556628572908573E-11 1.51295378225951E-8 -1.700531291378146E-10 3.923677212144259E-9 -2.297840609101816E-11
node -1.231735336326748E-13 2.626770833994899E-13 -1.700531291378146E-10 6.310792081215768E-8 -6.311165098263761E-8 2.397547123792073E-10
peri 2.761151560847065E-12 -5.866656364538482E-12 3.923677212144259E-9 -6.311165098263761E-8 6.409465564865704E-8 -2.452400352069662E-10
i -1.963838000379988E-14 4.22197669149903E-14 -2.297840609101816E-11 2.397547123792073E-10 -2.452400352069662E-10 4.270590305943997E-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 17.9   n/a MPO297784  

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

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