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135489 (2001 XQ7)
Classification: Main-belt Asteroid          SPK-ID: 2135489
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 .2069157457353028 5.3232e-08  
a 3.116451094031346 1.8955e-08 au
q 2.47160829186225 1.6572e-07 au
i 17.73941748135879 5.6064e-06 deg
node 13.83429742709192 1.4487e-05 deg
peri 356.1933661056128 1.8685e-05 deg
M 201.9827105478039 1.1835e-05 deg
tp 2460082.545539154269
(2023-May-18.04553915)
7.0591e-05 TDB
period 2009.504119431178
5.50
1.8334e-05
5.02e-08
d
yr
n .1791486747993846 1.6345e-09 deg/d
Q 3.761293896200442 2.2877e-08 au
  Orbit Determination Parameters
   # obs. used (total)      761  
   data-arc span      9254 days (25.34 yr)  
   first obs. used      1995-09-24  
   last obs. used      2021-01-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51113  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:13:17  

Additional Information
 Earth MOID = 1.4705 au 
 Jupiter MOID = 1.70245 au 
 T_jup = 3.112 
[ 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 14.63   n/a E2021B55  
diameter diameter 7.253 km 0.526 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

135489 (2001 XQ7)          Discovered 2001-Dec-08 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 2001 XQ7 = 1995 SQ38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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