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79556 (1998 QX49)
Classification: Main-belt Asteroid          SPK-ID: 2079556
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .101498250665021 3.3862e-08  
a 2.284907542166624 9.0089e-09 au
q 2.052993423705399 7.5787e-08 au
i 4.882468243594301 5.2563e-06 deg
node 46.13180802689192 5.0371e-05 deg
peri 224.6791814451898 5.8473e-05 deg
M 166.4544006174439 3.0188e-05 deg
tp 2458417.197075065314
(2018-Oct-25.69707507)
0.00010572 TDB
period 1261.541011817988
3.45
7.461e-06
2.043e-08
d
yr
n .2853652767746404 1.6877e-09 deg/d
Q 2.516821660627849 9.9233e-09 au
  Orbit Determination Parameters
   # obs. used (total)      881  
   data-arc span      7774 days (21.28 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55918  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:44:16  

Additional Information
 Earth MOID = 1.04039 au 
 Jupiter MOID = 2.55054 au 
 T_jup = 3.591 
[ 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 15.6   n/a MPO351403  
diameter diameter 2.296 km 0.254 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.254   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79556 (1998 QX49)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1998 QX49 = 2000 AN160 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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