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11368 (1998 HN115)
Classification: Main-belt Asteroid          SPK-ID: 2011368
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1280680030659311 3.1188e-08  
a 2.792511443733956 1.276e-08 au
q 2.434880079596188 8.7273e-08 au
i 10.15258592284441 3.839e-06 deg
node 128.3497573826947 2.1705e-05 deg
peri 152.4392025015373 2.7162e-05 deg
M 253.3782836804555 1.7708e-05 deg
tp 2459705.317076730472
(2022-May-05.81707673)
8.4977e-05 TDB
period 1704.475916316278
4.67
1.1682e-05
3.198e-08
d
yr
n .2112086164162612 1.4476e-09 deg/d
Q 3.150142807871724 1.4394e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2246  
   data-arc span      12963 days (35.49 yr)  
   first obs. used      1985-09-17  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44228  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:42:51  

Additional Information
 Earth MOID = 1.42153 au 
 Jupiter MOID = 2.03716 au 
 T_jup = 3.294 
[ 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 13.08   n/a E2021B10  
diameter diameter 7.986 km 0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.76823 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 0.210   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11368 (1998 HN115)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 19990831/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 HN115 = 1985 SQ = 1986 XW4 = 1989 LL1 = 1996 XP23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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