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160888 (2001 QT258)
Classification: Outer Main-belt Asteroid          SPK-ID: 2160888
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08004895794648009 7.1962e-08  
a 3.487350085673325 5.2567e-08 au
q 3.208191345320607 2.5615e-07 au
i 8.644834845875501 7.7022e-06 deg
node 300.9857854277973 4.7653e-05 deg
peri 44.12994455496518 6.6256e-05 deg
M 268.5481179869126 4.8022e-05 deg
tp 2459204.771197692517
(2020-Dec-21.27119769)
0.0003239 TDB
period 2378.711365810657
6.51
5.3784e-05
1.473e-07
d
yr
n .1513424475009027 3.4219e-09 deg/d
Q 3.766508826026043 5.6775e-08 au
  Orbit Determination Parameters
   # obs. used (total)      369  
   data-arc span      6380 days (17.47 yr)  
   first obs. used      2001-08-17  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55963  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:28:51  

Additional Information
 Earth MOID = 2.2062 au 
 Jupiter MOID = 1.59383 au 
 T_jup = 3.106 
[ 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 14.4   n/a MPO320694  
diameter diameter 6.620 km 0.539 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.101   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160888 (2001 QT258)          Discovered 2001-Aug-25 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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