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215277 (2001 QL57)
Classification: Main-belt Asteroid          SPK-ID: 2215277
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2133932489824328 3.7583e-08  
a 2.684237576713626 1.3689e-08 au
q 2.111439399177973 9.9855e-08 au
i 2.921470479251489 5.2868e-06 deg
node 53.20926329955409 8.342e-05 deg
peri 303.1247639165088 8.4465e-05 deg
M 82.29620455373956 1.2743e-05 deg
tp 2458633.296205734131
(2019-May-29.79620573)
5.5831e-05 TDB
period 1606.311817811603
4.40
1.2287e-05
3.364e-08
d
yr
n .2241158883400699 1.7144e-09 deg/d
Q 3.257035754249279 1.661e-08 au
  Orbit Determination Parameters
   # obs. used (total)      392  
   data-arc span      8122 days (22.24 yr)  
   first obs. used      1997-11-02  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58039  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:21:22  

Additional Information
 Earth MOID = 1.10899 au 
 Jupiter MOID = 2.19124 au 
 T_jup = 3.340 
[ 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 16.4   n/a MPO450015  
diameter diameter 3.109 km 0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215277 (2001 QL57)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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