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43591 (2001 QX55)
Classification: Main-belt Asteroid          SPK-ID: 2043591
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .282035952452279 2.9677e-08  
a 2.43809306121592 9.1661e-09 au
q 1.750463162528596 7.3443e-08 au
i 6.131076523189493 4.2462e-06 deg
node 109.8303769727122 3.0133e-05 deg
peri 317.5226107155092 3.1254e-05 deg
M 317.2846815460214 8.9047e-06 deg
tp 2459365.489000769803
(2021-May-30.98900077)
3.4938e-05 TDB
period 1390.509129438482
3.81
7.8415e-06
2.147e-08
d
yr
n .2588979765601221 1.46e-09 deg/d
Q 3.125722959903245 1.1751e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1050  
   data-arc span      9538 days (26.11 yr)  
   first obs. used      1994-12-30  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52009  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:21:03  

Additional Information
 Earth MOID = .769873 au 
 Jupiter MOID = 2.2043 au 
 T_jup = 3.440 
[ 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 15.31   n/a E2021B10  
diameter diameter 2.135 km 0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.354   0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43591 (2001 QX55)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 QX55 = 1994 YV2 = 1999 CR98 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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