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135100 (2001 QO81)
Classification: Main-belt Asteroid          SPK-ID: 2135100
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 .1514671939249734 5.8659e-08  
a 3.051349507208375 2.2096e-08 au
q 2.589170159667172 1.7668e-07 au
i 8.099025306674838 5.1788e-06 deg
node 316.8685079197595 3.6691e-05 deg
peri 46.31385477454273 3.9789e-05 deg
M 223.8604550286063 1.7375e-05 deg
tp 2459936.737872217269
(2022-Dec-23.23787222)
9.8354e-05 TDB
period 1946.867341549507
5.33
2.1147e-05
5.79e-08
d
yr
n .18491244488876 2.0085e-09 deg/d
Q 3.513528854749579 2.5443e-08 au
  Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      6848 days (18.75 yr)  
   first obs. used      2001-08-17  
   last obs. used      2020-05-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52379  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:11:30  

Additional Information
 Earth MOID = 1.59241 au 
 Jupiter MOID = 1.98033 au 
 T_jup = 3.204 
[ 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 14.69   n/a E2021B55  
diameter diameter 7.518 km 0.385 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

135100 (2001 QO81)          Discovered 2001-Aug-17 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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