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JPL Small-Body Database Browser
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172968 (2005 NQ80)
Classification: Main-belt Asteroid          SPK-ID: 2172968
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1577871861746949 4.0364e-08  
a 3.116892025191687 3.4697e-08 au
q 2.625086402926344 1.2641e-07 au
i 6.495753457335979 4.9369e-06 deg
node 85.22668956959205 5.543e-05 deg
peri 223.1020145759379 5.9273e-05 deg
M 243.6208145542305 2.4168e-05 deg
tp 2459650.261352226804
(2022-Mar-11.76135223)
0.00014112 TDB
period 2009.930606625951
5.50
3.3562e-05
9.189e-08
d
yr
n .1791106612403541 2.9908e-09 deg/d
Q 3.60869764745703 4.0172e-08 au
  Orbit Determination Parameters
   # obs. used (total)      310  
   data-arc span      9786 days (26.79 yr)  
   first obs. used      1993-04-17  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59243  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:56:56  

Additional Information
 Earth MOID = 1.61494 au 
 Jupiter MOID = 1.65561 au 
 T_jup = 3.188 
[ 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 15.3   n/a MPO433110  
diameter diameter 4.999 km 0.195 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172968 (2005 NQ80)          Discovered 2005-Jul-14 by Broughton, J. at Reedy Creek
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ 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
1920-Aug-03 16:53 00:05 Jupiter 1.90147254834755 1.9014697661205 1.90147533058347 2.21774875850303 2.00686257307831 2422540.203291175 5.26969518850404 272.062498172815 4.19975199727437 -76.3010193671338 1648932.12153691 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 16:57:12 2020-Feb-24 16:57
1930-Sep-21 01:51 00:05 Jupiter 1.6291357833851 1.62913537665086 1.62913619012045 2.06263506498335 1.79293632408399 2426240.577425716 4.61282868551273 198.919190194587 30.6242863058817 -76.7375239811 1845934.52468099 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 16:57:12 2020-Feb-24 16:57
1940-Nov-06 15:51 00:04 Jupiter 1.88707516170384 1.88707307718303 1.88707724623323 3.23625362254919 3.09445118746731 2429940.160763656 4.01115584517234 242.478329367878 23.2160997705651 -72.6544933995115 1938252.50602677 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 16:57:12 2020-Feb-24 16:57
2002-Sep-21 00:31 < 00:01 Jupiter 1.70167966711173 1.70167907926273 1.70168025496179 1.90999102841018 1.62866579069937 2452538.521450548 0.827257851638535 102.81192640434 29.1233183512959 -73.7769187642482 2201688.88165852 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 16:57:12 2020-Feb-24 16:57
2012-Nov-10 04:59 < 00:01 Jupiter 1.72614986568112 1.72614929055967 1.72615044080268 2.56218478219167 2.36291979511583 2456241.707634041 0.312153282937779 80.7162331836054 17.257781162325 -81.9872991353288 1988067.45707213 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 16:57:12 2020-Feb-24 16:57
2074-Sep-25 23:51 00:03 Jupiter 1.85931705593041 1.85931581672989 1.85931829513495 2.04961261007237 1.81378069677886 2478841.493757384 3.11532792971578 179.019046736659 12.8616280808366 -80.7169850502506 1941793.09701458 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 16:57:12 2020-Feb-24 16:57
2084-Nov-11 22:27 00:04 Jupiter 1.65350090508834 1.65350042054875 1.65350138962764 2.13788341874126 1.88308930753911 2482541.435164094 3.69426577917642 141.274275021475 24.0986065044561 -79.1098478056721 1721359.51165622 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 16:57:12 2020-Feb-24 16:57
2095-Jan-01 21:42 00:04 Jupiter 1.94423195334215 1.94423002327862 1.94423388341331 3.54806873116857 3.42307951168448 2486244.404209610 4.2331854858722 229.051446333564 24.4299137637279 -71.3495032177171 2242870.22879062 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 16:57:12 2020-Feb-24 16:57
2156-Nov-14 23:56 00:08 Jupiter 1.69106424910947 1.6910627200365 1.69106577822089 1.87158317008179 1.58147427924412 2508841.497301522 7.56108174682719 461.678003309083 32.6554550214358 -74.1263533785383 2217649.47389612 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 16:57:12 2020-Feb-24 16:57
2167-Jan-03 07:11 00:08 Jupiter 1.77623462422451 1.77623170974525 1.77623753870689 2.77847250272129 2.60118843209328 2512542.799567463 8.15477467831183 205.777090589894 25.8917159238545 -67.4974340920651 1183636.18167539 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 16:57:12 2020-Feb-24 16:57

Alternate Designations
 2005 NQ80 = 2001 XT160 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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