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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06305241282958411 7.5361e-08  
a 2.613286512516366 2.2983e-08 au
q 2.4485124924872 2.1e-07 au
i 5.196465453100208 5.9218e-06 deg
node 50.89627526616618 6.791e-05 deg
peri 274.3223922470642 8.3771e-05 deg
M 322.0532017895393 4.698e-05 deg
tp 2459163.149077521732
(2020-Nov-09.64907752)
0.00020106 TDB
period 1543.046335110359
4.22
2.0355e-05
5.573e-08
d
yr
n .2333047244328232 3.0777e-09 deg/d
Q 2.778060532545532 2.4432e-08 au
  Orbit Determination Parameters
   # obs. used (total)      262  
   data-arc span      10484 days (28.70 yr)  
   first obs. used      1991-10-02  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61946  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:14:51  

Additional Information
 Earth MOID = 1.44342 au 
 Jupiter MOID = 2.41205 au 
 T_jup = 3.400 
[ 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 16.3   n/a MPO470317  

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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