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JPL Small-Body Database Browser
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215816 (2004 TH277)
Classification: Main-belt Asteroid          SPK-ID: 2215816
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06308566083987335 7.6617e-08  
a 2.611106608642079 2.4149e-08 au
q 2.446383222712533 2.119e-07 au
i 5.199717738137158 6.7492e-06 deg
node 50.91255187067072 7.5175e-05 deg
peri 275.1530006218356 9.1237e-05 deg
M 227.8374628310008 5.1503e-05 deg
tp 2459166.271672920798
(2020-Nov-12.77167292)
0.00022053 TDB
period 1541.116012255727
4.22
2.1379e-05
5.853e-08
d
yr
n .2335969499616509 3.2406e-09 deg/d
Q 2.775829994571625 2.5672e-08 au
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      10073 days (27.58 yr)  
   first obs. used      1991-10-02  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62763  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:20:44  

Additional Information
 Earth MOID = 1.44059 au 
 Jupiter MOID = 2.41661 au 
 T_jup = 3.401 
[ 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 16.2   n/a MPO433412  

215816 (2004 TH277)          Discovered 2004-Oct-09 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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