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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1173862337866444 4.488e-08  
a 2.331873029303689 1.2352e-08 au
q 2.058143236725075 1.0347e-07 au
i 3.21826523572089 4.9813e-06 deg
node 152.4275252661324 8.1159e-05 deg
peri 355.2031237413989 8.3961e-05 deg
M 279.6872652339001 2.4212e-05 deg
tp 2459290.660098271305
(2021-Mar-17.16009827)
8.856e-05 TDB
period 1300.636015967937
3.56
1.0335e-05
2.83e-08
d
yr
n .2767876604832343 2.1993e-09 deg/d
Q 2.605602821882302 1.3802e-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 = 1.06966 au 
 Jupiter MOID = 2.39072 au 
 T_jup = 3.559 
[ 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 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-August); 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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