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74857 (1999 TT88)
Classification: Main-belt Asteroid          SPK-ID: 2074857
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1532211366283657 4.3136e-08  
a 2.302405438059052 1.1612e-08 au
q 1.949628259860314 1.0299e-07 au
i 5.524757923797021 5.0091e-06 deg
node 49.43306510382742 5.1455e-05 deg
peri 203.2464376238262 5.7645e-05 deg
M 59.94195016306698 2.9467e-05 deg
tp 2458788.029080244948
(2019-Oct-31.52908024)
0.00010408 TDB
period 1276.060103212114
3.49
9.6539e-06
2.643e-08
d
yr
n .2821183728680205 2.1343e-09 deg/d
Q 2.65518261625779 1.3392e-08 au
  Orbit Determination Parameters
   # obs. used (total)      850  
   data-arc span      7717 days (21.13 yr)  
   first obs. used      1998-03-24  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52414  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:42:12  

Additional Information
 Earth MOID = .936806 au 
 Jupiter MOID = 2.38175 au 
 T_jup = 3.569 
[ 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 15.4   n/a MPO474635  

74857 (1999 TT88)          Discovered 1999-Oct-02 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TT88 = 1998 FP83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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