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JPL Small-Body Database Browser
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109427 (2001 QN195)
Classification: Main-belt Asteroid          SPK-ID: 2109427
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1043215588877024 6.3206e-08  
a 3.128589477688087 3.6582e-08 au
q 2.802210146256003 2.0107e-07 au
i 24.8296217993298 7.5737e-06 deg
node 244.7356014981138 1.5213e-05 deg
peri 331.712426674836 3.5773e-05 deg
M 202.6672511376123 3.4303e-05 deg
tp 2459483.860401416009
(2021-Sep-26.36040142)
0.00019782 TDB
period 2021.255884799376
5.53
3.5451e-05
9.706e-08
d
yr
n .1781070881264163 3.1238e-09 deg/d
Q 3.454968809120171 4.0398e-08 au
  Orbit Determination Parameters
   # obs. used (total)      410  
   data-arc span      9911 days (27.13 yr)  
   first obs. used      1991-12-07  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54893  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:49:45  

Additional Information
 Earth MOID = 1.80793 au 
 Jupiter MOID = 1.6194 au 
 T_jup = 3.063 
[ 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 14.4   n/a MPO351622  
diameter diameter 7.866 km 0.243 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109427 (2001 QN195)          Discovered 2001-Aug-22 by NEAT at Palomar
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
1942-Apr-19 23:29 00:03 Jupiter 1.98598458587766 1.9859802628108 1.98598890896054 6.70791271271173 6.64402685656768 2430469.478472396 3.33793757380074 382.639047818961 97.2945177982297 58.6001817611197 2817868.45891356 T 18 CATAB v2.0e-lin.ifort 2019-Jul-13 07:49:49 2019-Jul-13 07:49
1952-Dec-12 14:43 00:03 Jupiter 1.65617311204626 1.65617159365251 1.65617463056146 6.68280033323371 6.60582721297361 2434359.113504835 2.52761947368476 794.694885907246 32.4601604325616 -85.0563350518468 2721201.71569835 T 18 CATAB v2.0e-lin.ifort 2019-Jul-13 07:49:49 2019-Jul-13 07:49
2025-Mar-19 03:56 < 00:01 Jupiter 1.92017064785233 1.92016973429818 1.92017156140659 6.72513209653981 6.65921654608641 2460753.663834507 0.584812650114383 165.543735776183 44.9781407222722 87.781691251515 3266853.81674842 T 18 CATAB v2.0e-lin.ifort 2019-Jul-13 07:49:49 2019-Jul-13 07:49
2035-Nov-13 18:04 00:01 Jupiter 1.69099179411639 1.69099065459621 1.69099293365128 6.66798459381784 6.59243604091931 2464645.253104188 1.02636511965277 315.6440917228 33.0382101745159 -81.5933481116429 2675050.62436569 T 18 CATAB v2.0e-lin.ifort 2019-Jul-13 07:49:49 2019-Jul-13 07:49
2108-Feb-13 01:50 00:04 Jupiter 1.83936919145557 1.83936462776063 1.83937375521628 6.7408939567774 6.67223043250192 2491033.576663678 4.14413810553212 619.45104805646 66.432048420631 69.2734019657177 3047317.65325294 T 18 CATAB v2.0e-lin.ifort 2019-Jul-13 07:49:49 2019-Jul-13 07:49
2118-Oct-11 20:46 00:05 Jupiter 1.73673072047704 1.73672633752323 1.73673510379849 6.64608214200966 6.57228925286245 2494927.365100664 4.58755150835767 1303.47735878657 35.6501741086672 -80.4428553028423 2636901.33428393 T 18 CATAB v2.0e-lin.ifort 2019-Jul-13 07:49:49 2019-Jul-13 07:49
2191-Jan-07 03:02 00:07 Jupiter 1.77362927709615 1.77362176301376 1.77363679147385 6.75124127866781 6.68012946344658 2521312.626363128 7.45555596806373 1220.45549033991 58.8814211701172 72.3119061100737 3018087.46649461 T 18 CATAB v2.0e-lin.ifort 2019-Jul-13 07:49:49 2019-Jul-13 07:49
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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