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173702 (2001 QN46)
Classification: Main-belt Asteroid          SPK-ID: 2173702
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1026200506698319 6.3234e-08  
a 2.794306761043732 1.6721e-08 au
q 2.50755485963837 1.7518e-07 au
i 8.808499695933293 5.9082e-06 deg
node 314.7594283492613 3.4791e-05 deg
peri 48.34455503888709 4.4505e-05 deg
M 18.96589849150465 2.3882e-05 deg
tp 2459110.616397539074
(2020-Sep-18.11639754)
0.00011339 TDB
period 1706.119902541267
4.67
1.5314e-05
4.193e-08
d
yr
n .2110050996203606 1.8939e-09 deg/d
Q 3.081058662449093 1.8437e-08 au
  Orbit Determination Parameters
   # obs. used (total)      585  
   data-arc span      7089 days (19.41 yr)  
   first obs. used      2001-08-15  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50642  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:58:09  

Additional Information
 Earth MOID = 1.51199 au 
 Jupiter MOID = 2.36375 au 
 T_jup = 3.303 
[ 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 15.64   n/a E2021B55  
diameter diameter 4.721 km 0.259 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173702 (2001 QN46)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1938-Sep-28 05:07 00:04 Thisb 0.0298077591321049 0.0297791442799602 0.0298363746385033 2.90374820341008 2.90374812463544 2429169.713425800 4.19467916627207 1442.64436694799 79.7075743457842 8.83328846396802 9106.72931920342 T 14 CATAB v2.0f-lin.ifort 2021-Apr-13 20:58:10 2021-Apr-13 20:58
1999-Apr-05 02:04 00:01 Hygie 0.0135357269641837 0.0135305767725049 0.0135408773045301 3.38979719847009 3.38979635640206 2451273.586004467 1.35166502647441 266.675365294112 79.0984457708996 -16.9178755620546 10377.7844161167 T 14 CATAB v2.0f-lin.ifort 2021-Apr-13 20:58:10 2021-Apr-13 20:58
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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