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JPL Small-Body Database Browser
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109375 (2001 QR162)
Classification: Main-belt Asteroid          SPK-ID: 2109375
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05696921572511108 5.7048e-08  
a 3.008565886960527 2.6743e-08 au
q 2.837170247923063 1.7766e-07 au
i 8.706189852869734 6.8284e-06 deg
node 307.4550639948648 3.8536e-05 deg
peri 152.6277820972942 7.3051e-05 deg
M 15.38113368606863 5.9698e-05 deg
tp 2458519.062663091777
(2019-Feb-04.56266309)
0.00031604 TDB
period 1906.065046005969
5.22
2.5415e-05
6.958e-08
d
yr
n .188870784212929 2.5183e-09 deg/d
Q 3.179961525997992 2.8267e-08 au
  Orbit Determination Parameters
   # obs. used (total)      761  
   data-arc span      6416 days (17.57 yr)  
   first obs. used      2001-08-11  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55457  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:41:05  

Additional Information
 Earth MOID = 1.85729 au 
 Jupiter MOID = 1.92085 au 
 T_jup = 3.230 
[ 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 14.3   n/a MPO469118  
diameter diameter 5.038 km 0.642 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.175   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109375 (2001 QR162)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
1939-Feb-16 02:22 00:03 Jupiter 1.95827558705208 1.9582747871806 1.95827638692712 3.77843599574447 3.66217268759406 2429310.598615342 2.95592686032755 256.088726794733 29.3601656344008 84.4005491408782 2315354.15313561 T 21 CATAB v2.0e-lin.ifort 2019-Jul-13 05:41:15 2019-Jul-13 05:41
1985-Sep-24 00:57 00:01 Jupiter 1.93565824590461 1.93565763998677 1.93565885182266 3.96179870947057 3.84976249432485 2446332.539543528 1.06994590511537 128.816872540312 24.8669880768374 85.4668373317901 2394328.31553986 T 21 CATAB v2.0e-lin.ifort 2019-Jul-13 05:41:15 2019-Jul-13 05:41
2069-Sep-24 16:21 00:02 Jupiter 1.96494962695925 1.96494886433861 1.96495038958145 3.67700739427 3.55784370733298 2477014.181257836 2.31112425923228 217.819636121721 29.6934898294485 84.9863164579759 2255303.17596698 T 21 CATAB v2.0e-lin.ifort 2019-Jul-13 05:41:15 2019-Jul-13 05:41
2116-Apr-30 21:43 00:04 Jupiter 1.93400902622168 1.93400840426147 1.93400964818199 3.91439210237559 3.80086062288636 2494033.404988705 4.04331368499161 141.772725786741 25.8751558537826 86.5598865829875 2291935.91066076 T 21 CATAB v2.0e-lin.ifort 2019-Jul-13 05:41:15 2019-Jul-13 05:41
2200-May-07 04:37 00:08 Jupiter 1.97508198865737 1.97508041667169 1.97508356070086 3.57339304986292 3.45129384076077 2524719.692475619 7.65426195379185 617.235908417344 31.3002254624661 82.8836471693804 2205208.43886477 T 21 CATAB v2.0e-lin.ifort 2019-Jul-13 05:41:15 2019-Jul-13 05:41
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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