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100978 (1998 QB27)
Classification: Inner Main-belt Asteroid          SPK-ID: 2100978
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09071405840795164 7.5871e-08  
a 1.894751183479956 8.3845e-09 au
q 1.722870613953219 1.3866e-07 au
i 18.27486011573532 5.185e-06 deg
node 306.4410092245154 1.684e-05 deg
peri 334.7649160747173 5.777e-05 deg
M 168.7890185943599 6.0781e-05 deg
tp 2458553.848913635341
(2019-Mar-11.34891364)
0.00015914 TDB
period 952.6353813200635
2.61
6.3233e-06
1.731e-08
d
yr
n .3778990441244679 2.5084e-09 deg/d
Q 2.066631753006691 9.1451e-09 au
  Orbit Determination Parameters
   # obs. used (total)      529  
   data-arc span      7826 days (21.43 yr)  
   first obs. used      1998-08-02  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48631  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 14:59:54  

Additional Information
 Earth MOID = .715724 au 
 Jupiter MOID = 3.13813 au 
 T_jup = 3.887 
[ 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 16.7   n/a MPO436470  

100978 (1998 QB27)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 QB27 = 2000 GX151 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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