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JPL Small-Body Database Browser
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13291 (1998 QH77)
Classification: Outer Main-belt Asteroid          SPK-ID: 2013291
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09846673445226349 4.5378e-08  
a 3.22601415876303 2.3825e-08 au
q 2.908359079252869 1.5291e-07 au
i 13.69176032649574 6.3386e-06 deg
node 295.81790266696 1.9789e-05 deg
peri 90.0468180285237 4.1815e-05 deg
M 181.4796771716169 3.6032e-05 deg
tp 2459650.001330156928
(2022-Mar-11.50133016)
0.0002165 TDB
period 2116.400378794432
5.79
2.3446e-05
6.419e-08
d
yr
n .1701001396555539 1.8844e-09 deg/d
Q 3.543669238273191 2.6171e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1434  
   data-arc span      11026 days (30.19 yr)  
   first obs. used      1989-03-02  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5042  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:08:43  

Additional Information
 Earth MOID = 1.95404 au 
 Jupiter MOID = 1.93468 au 
 T_jup = 3.136 
[ 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 12.9   n/a MPO347630  
diameter diameter 14.870 km 0.486 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.061   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

13291 (1998 QH77)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20000124/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QH77 = 1989 ES3 = 1997 MP4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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