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14123 (1998 QA56)
Classification: Main-belt Asteroid          SPK-ID: 2014123
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1917555160110531 4.5489e-08  
a 2.284487330961707 6.6665e-09 au
q 1.846424283992431 1.0202e-07 au
i 5.28896453268172 4.5749e-06 deg
node 186.76924040063 3.7575e-05 deg
peri 146.7643403022456 3.994e-05 deg
M 175.0539262927572 1.7591e-05 deg
tp 2458587.231140013081
(2019-Apr-13.73114001)
5.988e-05 TDB
period 1261.193017893625
3.45
5.5205e-06
1.511e-08
d
yr
n .2854440160168759 1.2494e-09 deg/d
Q 2.722550377930983 7.9448e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1109  
   data-arc span      10814 days (29.61 yr)  
   first obs. used      1991-08-06  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51121  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:17:41  

Additional Information
 Earth MOID = .837471 au 
 Jupiter MOID = 2.66048 au 
 T_jup = 3.573 
[ 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 15.41   n/a E2021B10  
diameter diameter 2.938 km 0.778 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.142   0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14123 (1998 QA56)          Discovered 1998-Aug-29 by Visnjan at Visnjan
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QA56 = 1991 PV14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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