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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1515280128798767 5.6636e-08  
a 2.57741811398071 1.2112e-08 au
q 2.186867068808614 1.5035e-07 au
i 12.9605158816636 4.5706e-06 deg
node 272.776394765225 2.6064e-05 deg
peri 151.9701972512564 3.4803e-05 deg
M 289.3947467475402 1.9144e-05 deg
tp 2458896.921878937290
(2020-Feb-17.42187894)
7.999e-05 TDB
period 1511.387205649695
4.14
1.0654e-05
2.917e-08
d
yr
n .2381917741888307 1.679e-09 deg/d
Q 2.967969159152807 1.3947e-08 au
  Orbit Determination Parameters
   # obs. used (total)      768  
   data-arc span      7775 days (21.29 yr)  
   first obs. used      1998-08-19  
   last obs. used      2019-12-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50603  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:24:43  

Additional Information
 Earth MOID = 1.20919 au 
 Jupiter MOID = 2.32906 au 
 T_jup = 3.375 
[ 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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