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55824 (1995 QN1)
Classification: Main-belt Asteroid          SPK-ID: 2055824
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04012563147738461 6.6069e-08  
a 3.048535202946322 4.2952e-08 au
q 2.926210802847064 1.8435e-07 au
i 1.836750243794959 8.5506e-06 deg
node 186.2965119701387 0.00019279 deg
peri 263.283937999447 0.00022607 deg
M 190.9250231694979 0.00011435 deg
tp 2458313.586841670140
(2018-Jul-14.08684167)
0.00061954 JED
period 1944.174526374674
5.32
4.1088e-05
1.125e-07
d
yr
n .1851685613180502 3.9134e-09 deg/d
Q 3.17085960304558 4.4675e-08 au
  Orbit Determination Parameters
   # obs. used (total)      391  
   data-arc span      9030 days (24.72 yr)  
   first obs. used      1990-09-25  
   last obs. used      2015-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .66199  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 13:28:31  

Additional Information
 Earth MOID = 1.94295 au 
 Jupiter MOID = 1.91535 au 
 T_jup = 3.236 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2 mag n/a MPO253714  

55824 (1995 QN1)          Discovered 1995-Aug-19 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 QN1 = 1993 HV9 = 2001 TS71 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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