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JPL Small-Body Database Browser
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277338 (2005 TR42)
Classification: Main-belt Asteroid          SPK-ID: 2277338
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .177074089975492 3.6336e-08  
a 2.297175763168023 1.1547e-08 au
q 1.890405455391289 8.5507e-08 au
i 4.032681752077234 4.2418e-06 deg
node 296.8665233573693 5.8269e-05 deg
peri 30.01582845524515 6.0088e-05 deg
M 11.10609005980749 1.3184e-05 deg
tp 2458561.267276703989
(2019-Mar-18.76727670)
4.6494e-05 TDB
period 1271.714915916019
3.48
9.5883e-06
2.625e-08
d
yr
n .2830823130989945 2.1343e-09 deg/d
Q 2.703946070944757 1.3591e-08 au
  Orbit Determination Parameters
   # obs. used (total)      368  
   data-arc span      6178 days (16.91 yr)  
   first obs. used      2002-12-06  
   last obs. used      2019-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53138  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 20:10:41  

Additional Information
 Earth MOID = .878996 au 
 Jupiter MOID = 2.62175 au 
 T_jup = 3.570 
[ 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 16.6   n/a MPO455058  

277338 (2005 TR42)          Discovered 2005-Oct-03 by NEAT at Palomar
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

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