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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09607633454478509 2.5795e-08  
a 3.235044010002349 2.1213e-08 au
q 2.924232839430261 9.048e-08 au
i 13.69324603140596 1.5276e-06 deg
node 295.7907676084305 4.8199e-06 deg
peri 88.73786873519086 2.1085e-05 deg
M 284.6020848726888 1.7436e-05 deg
tp 2459645.618406000836
(2022-Mar-07.11840600)
0.00010426 TDB
period 2125.292534809848
5.82
2.0904e-05
5.723e-08
d
yr
n .1693884461097067 1.6661e-09 deg/d
Q 3.545855180574438 2.3251e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1528  
   data-arc span      11518 days (31.53 yr)  
   first obs. used      1989-03-02  
   last obs. used      2020-09-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5097  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 23:51:38  

Additional Information
 Earth MOID = 1.96867 au 
 Jupiter MOID = 1.93206 au 
 T_jup = 3.134 
[ 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 12.89   n/a E2021B10  
diameter diameter 14.870 km 0.486 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 4.19068 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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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