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JPL Small-Body Database Browser
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160022 (1995 YL11)
Classification: Main-belt Asteroid          SPK-ID: 2160022
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1173946973369287 4.4892e-08  
a 2.331584227635172 1.2402e-08 au
q 2.057868602916384 1.0348e-07 au
i 3.218351886248235 4.9814e-06 deg
node 152.4308794055521 8.116e-05 deg
peri 355.31621266657 8.396e-05 deg
M 168.8239842364244 2.3814e-05 deg
tp 2457990.672879366404
(2017-Aug-25.17287937)
8.4057e-05 TDB
period 1300.394398467991
3.56
1.0375e-05
2.841e-08
d
yr
n .2768390885289262 2.2087e-09 deg/d
Q 2.605299852353959 1.3857e-08 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      8683 days (23.77 yr)  
   first obs. used      1995-12-18  
   last obs. used      2019-09-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53839  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 18:37:10  

Additional Information
 Earth MOID = 1.06984 au 
 Jupiter MOID = 2.39234 au 
 T_jup = 3.559 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457179.5 (2015-Jun-06.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1166610385536521 4.4979e-08  
q 2.060201321348869 1.036e-07 au
tp 2456689.147116133881
(2014-Jan-31.64711613)
8.1147e-05 TDB
node 152.4711342508873 8.1147e-05 deg
peri 355.2379196952336 8.3975e-05 deg
i 3.218060789081632 4.9817e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      8683 days (23.77 yr)  
   first obs. used      1995-12-18  
   last obs. used      2019-09-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53839  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 18:37:10  

Additional Information
 Jupiter MOID = 2.39234 au 
 T_jup = 3.559 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.023116891663468E-15 -4.634616760928538E-15 6.958518078316827E-13 -1.520531208271832E-15 1.898775681088556E-13 6.743681588879013E-16
q -4.634616760928538E-15 1.073388173057914E-14 -1.384698716628641E-12 4.819457409161186E-15 -3.726235396455911E-13 -1.423793362738921E-15
tp 6.958518078316827E-13 -1.384698716628641E-12 6.584812788920224E-9 -1.362303232687826E-11 1.771632276917298E-9 4.658028505461353E-13
node -1.520531208271832E-15 4.819457409161186E-15 -1.362303232687826E-11 6.584810319542296E-9 -6.577460669932415E-9 2.79738663646811E-11
peri 1.898775681088556E-13 -3.726235396455911E-13 1.771632276917298E-9 -6.577460669932415E-9 7.05173890310981E-9 -2.781802782090074E-11
i 6.743681588879013E-16 -1.423793362738921E-15 4.658028505461353E-13 2.79738663646811E-11 -2.781802782090074E-11 2.481763933578624E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2   n/a MPO449860  
diameter diameter 2.688 km 0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.49 h n/a LCDB (Rev. 2019-January); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
geometric albedo albedo 0.024   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160022 (1995 YL11)          Discovered 1995-Dec-18 by Spacewatch at Kitt Peak
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

Alternate Designations
 1995 YL11 = 2001 QH175 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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