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74156 (1998 QH95)
Classification: Main-belt Asteroid          SPK-ID: 2074156
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 .1517630583264891 5.6592e-08  
a 2.578121347172259 1.2108e-08 au
q 2.186857766788589 1.503e-07 au
i 12.96048855115636 4.5663e-06 deg
node 272.7762830416284 2.5877e-05 deg
peri 151.9181741948224 3.4645e-05 deg
M 24.70294327786005 1.8944e-05 deg
tp 2458896.747239737100
(2020-Feb-17.24723974)
7.969e-05 TDB
period 1512.005807345223
4.14
1.0652e-05
2.916e-08
d
yr
n .2380943236138011 1.6773e-09 deg/d
Q 2.969384927555929 1.3946e-08 au
  Orbit Determination Parameters
   # obs. used (total)      814  
   data-arc span      7840 days (21.46 yr)  
   first obs. used      1998-08-19  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5033  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:11:47  

Additional Information
 Earth MOID = 1.20941 au 
 Jupiter MOID = 2.32784 au 
 T_jup = 3.374 
[ 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 15.2   n/a MPO400698  

74156 (1998 QH95)          Discovered 1998-Aug-19 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QH95 = 2000 AP198 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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