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JPL Small-Body Database Browser
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100979 (1998 QH27)
Classification: Main-belt Asteroid          SPK-ID: 2100979
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .246202416425253 6.7453e-08  
a 2.341765513235672 1.2207e-08 au
q 1.765217185175727 1.5328e-07 au
i 22.5985639792807 9.7411e-06 deg
node 320.1942838672164 1.3921e-05 deg
peri 73.06028568825673 2.4732e-05 deg
M .7772469322755312 1.5536e-05 deg
tp 2458997.674013703355
(2020-May-28.17401370)
5.6486e-05 TDB
period 1308.921302286623
3.58
1.0235e-05
2.802e-08
d
yr
n .2750356338238955 2.1506e-09 deg/d
Q 2.918313841295617 1.5213e-08 au
  Orbit Determination Parameters
   # obs. used (total)      403  
   data-arc span      8081 days (22.12 yr)  
   first obs. used      1996-02-10  
   last obs. used      2018-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56941  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 03:57:53  

Additional Information
 Earth MOID = .885656 au 
 Jupiter MOID = 2.87245 au 
 T_jup = 3.423 
[ 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 15.4   n/a MPO426634  
diameter diameter 2.076 km 0.486 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.311   0.216 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100979 (1998 QH27)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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