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85504 (1997 TC26)
Classification: Main-belt Asteroid          SPK-ID: 2085504
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2090724417196809 4.0124e-08  
a 2.455723168662889 7.0462e-09 au
q 1.942299129602947 1.0012e-07 au
i 5.565819407068563 3.3699e-06 deg
node 43.62742482835968 3.9571e-05 deg
peri 306.6118232310078 4.0332e-05 deg
M 74.58738784317397 6.5633e-06 deg
tp 2459105.273805438840
(2020-Sep-12.77380544)
2.5749e-05 TDB
period 1405.618738954301
3.85
6.0497e-06
1.656e-08
d
yr
n .2561149691756523 1.1023e-09 deg/d
Q 2.96914720772283 8.5194e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1170  
   data-arc span      9030 days (24.72 yr)  
   first obs. used      1996-04-23  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51005  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:26:17  

Additional Information
 Earth MOID = .942126 au 
 Jupiter MOID = 2.47625 au 
 T_jup = 3.456 
[ 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 15.46   n/a E2021B10  

85504 (1997 TC26)          Discovered 1997-Oct-11 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1997 TC26 = 2000 HP1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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