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390681 (2002 TT322)
Classification: Main-belt Asteroid          SPK-ID: 2390681
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09591602287865575 5.7931e-08  
a 2.711751631821342 2.4543e-08 au
q 2.451651200262334 1.5381e-07 au
i 11.22348399621689 2.7937e-05 deg
node 7.149465709545889 3.3032e-05 deg
peri 273.4946700333001 0.00014131 deg
M 54.72518872759584 0.00013638 deg
tp 2458752.553455962849
(2019-Sep-26.05345596)
0.00061739 TDB
period 1631.07259981661
4.47
2.2143e-05
6.062e-08
d
yr
n .2207136580189481 2.9963e-09 deg/d
Q 2.97185206338035 2.6897e-08 au
  Orbit Determination Parameters
   # obs. used (total)      86  
   data-arc span      6618 days (18.12 yr)  
   first obs. used      2002-09-05  
   last obs. used      2020-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58615  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:39:06  

Additional Information
 Earth MOID = 1.46785 au 
 Jupiter MOID = 2.20971 au 
 T_jup = 3.328 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a MPO297768  

390681 (2002 TT322)          Discovered 2002-Oct-05 by Sloan Digital Sky Survey at Apache Point
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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