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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07602130897438895 7.0497e-08  
a 3.479443038974653 3.4554e-08 au
q 3.214931224649974 2.531e-07 au
i 8.672473804935866 7.4326e-06 deg
node 300.8687168935895 3.3621e-05 deg
peri 44.15062578341772 5.3916e-05 deg
M 359.2475139842587 3.892e-05 deg
tp 2459205.455174536028
(2020-Dec-21.95517454)
0.00025628 TDB
period 2370.625892911256
6.49
3.5314e-05
9.668e-08
d
yr
n .1518586298565653 2.2621e-09 deg/d
Q 3.743954853299331 3.7181e-08 au
  Orbit Determination Parameters
   # obs. used (total)      539  
   data-arc span      7081 days (19.39 yr)  
   first obs. used      2001-08-17  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51078  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:03:13  

Additional Information
 Earth MOID = 2.21194 au 
 Jupiter MOID = 1.61153 au 
 T_jup = 3.108 
[ 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 14.39   n/a E2020-QM9  
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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