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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05673213109555587 4.4197e-08  
a 3.007350268161221 2.1328e-08 au
q 2.836736878497643 1.2795e-07 au
i 8.707192262349794 5.6323e-06 deg
node 307.4583187294965 3.707e-05 deg
peri 152.2932484282609 7.029e-05 deg
M 91.28586120156207 5.9112e-05 deg
tp 2458517.468488590546
(2019-Feb-02.96848859)
0.00031179 TDB
period 1904.909936966535
5.22
2.0265e-05
5.548e-08
d
yr
n .1889853126459513 2.0104e-09 deg/d
Q 3.177963657824798 2.2538e-08 au
  Orbit Determination Parameters
   # obs. used (total)      894  
   data-arc span      6835 days (18.71 yr)  
   first obs. used      2001-08-11  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53284  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:03:55  

Additional Information
 Earth MOID = 1.85675 au 
 Jupiter MOID = 1.92187 au 
 T_jup = 3.231 
[ 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 00:02 Jupiter 1.95827538962132 1.95827460527347 1.95827617397295 3.7784360726155 3.66217275499795 2429310.598343945 2.42385588408434 212.118354830745 25.1658557055427 82.4562563792235 2496996.89024297 T 23 CATAB v2.0f-lin.ifort 2020-May-20 19:04:13 2020-May-20 19:04
1985-Sep-24 00:57 < 00:01 Jupiter 1.93565811578135 1.93565761498743 1.93565861657538 3.96179791731661 3.84976167147638 2446332.539451053 0.922734147933494 97.9591806379039 20.6999762765114 84.7084112554576 2875779.56067814 T 23 CATAB v2.0f-lin.ifort 2020-May-20 19:04:13 2020-May-20 19:04
2069-Sep-24 16:21 00:02 Jupiter 1.96494954373853 1.96494894029658 1.96495014718103 3.67700727320116 3.55784357707774 2477014.181466035 1.8506785631132 174.961619331241 24.4036748831792 85.6968696046591 2527443.67244615 T 23 CATAB v2.0f-lin.ifort 2020-May-20 19:04:13 2020-May-20 19:04
2116-Apr-30 21:44 00:03 Jupiter 1.93400885579416 1.93400827853517 1.93400943305314 3.91439107946856 3.80085955927118 2494033.405388300 3.22670281131924 106.281466921321 24.0083687343426 86.2266460632371 2396040.55738106 T 23 CATAB v2.0f-lin.ifort 2020-May-20 19:04:13 2020-May-20 19:04
2200-May-07 04:38 00:06 Jupiter 1.97508204250913 1.97508087403553 1.97508321101799 3.5733926588557 3.45129343930857 2524719.693204146 6.17282982909485 498.109812895561 25.2899921779025 83.3896232729141 2443463.41141703 T 23 CATAB v2.0f-lin.ifort 2020-May-20 19:04:13 2020-May-20 19:04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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