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JPL Small-Body Database Browser
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277164 (2005 NQ54)
Classification: Main-belt Asteroid          SPK-ID: 2277164
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1126468923315253 4.4167e-08  
a 2.244846468078151 1.1755e-08 au
q 1.991971489687747 9.7533e-08 au
i 7.622679184366135 4.0311e-06 deg
node 141.946106832327 3.7843e-05 deg
peri 252.0533600251098 4.2844e-05 deg
M 316.9303058676929 2.0261e-05 deg
tp 2458747.476424842698
(2019-Sep-20.97642484)
6.9018e-05 TDB
period 1228.50914104082
3.36
9.6497e-06
2.642e-08
d
yr
n .2930381125980064 2.3018e-09 deg/d
Q 2.497721446468556 1.3079e-08 au
  Orbit Determination Parameters
   # obs. used (total)      255  
   data-arc span      6720 days (18.40 yr)  
   first obs. used      2001-06-15  
   last obs. used      2019-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54177  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 20:09:44  

Additional Information
 Earth MOID = 1.01188 au 
 Jupiter MOID = 2.88895 au 
 T_jup = 3.612 
[ 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 17.3   n/a MPO440343  

277164 (2005 NQ54)          Discovered 2005-Jul-10 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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