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173445 (2000 NC18)
Classification: Main-belt Asteroid          SPK-ID: 2173445
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .224152441963246 5.1827e-08  
a 3.120398259312876 2.2447e-08 au
q 2.420953369590033 1.613e-07 au
i 7.513092027525895 5.8755e-06 deg
node 348.60096761 3.4185e-05 deg
peri 15.47895410501284 3.5648e-05 deg
M 213.3459012806879 1.1462e-05 deg
tp 2460020.672440095407
(2023-Mar-17.17244010)
6.9744e-05 TDB
period 2013.323057540055
5.51
2.1724e-05
5.948e-08
d
yr
n .1788088596371911 1.9294e-09 deg/d
Q 3.819843149035719 2.7478e-08 au
  Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      7255 days (19.86 yr)  
   first obs. used      2000-07-05  
   last obs. used      2020-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56109  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:57:03  

Additional Information
 Earth MOID = 1.41803 au 
 Jupiter MOID = 1.65226 au 
 T_jup = 3.164 
[ 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 15.04   n/a E2021B55  

173445 (2000 NC18)          Discovered 2000-Jul-05 by LONEOS at Anderson Mesa
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
1909-Apr-10 12:06 00:04 Jupiter 1.65837499945389 1.65837435718591 1.6583756417263 2.227109453792 1.98456733271997 2418407.003821127 3.75284615881173 650.834782442571 28.1607513694387 -87.8099340210831 2284031.15868158 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 20:57:05 2021-Apr-13 20:57
1919-Jul-27 16:25 00:04 Jupiter 1.97273450856451 1.97273260193178 1.97273641519724 2.86581046253575 2.71185181327826 2422167.183987865 3.5982558979395 107.600149133434 31.5412012338215 -53.9693531599487 1191731.13483088 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 20:57:05 2021-Apr-13 20:57
1982-Jan-16 09:45 00:01 Jupiter 1.8228739120231 1.8228729878288 1.82287483622226 1.93259446350919 1.67499100476982 2444985.906212819 1.39662887647852 200.073156336376 40.7547749596284 80.1368439715689 1757101.37677009 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 20:57:05 2021-Apr-13 20:57
1992-May-12 14:43 < 00:01 Jupiter 1.66130117329532 1.66130065489999 1.66130169169196 2.22397940008877 1.98150816578825 2448755.113298371 0.869450449747044 581.1493257307 18.0676971434216 -86.7560834401131 2237289.66398481 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 20:57:05 2021-Apr-13 20:57
2002-Aug-30 10:04 < 00:01 Jupiter 1.98078792265135 1.98078734836218 1.98078849694063 2.95498993300822 2.80655082692796 2452516.919157070 0.519381096932106 63.4258778264123 17.0336834168425 -76.8904100169096 2549373.05837173 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 20:57:05 2021-Apr-13 20:57
2065-Feb-20 02:43 00:02 Jupiter 1.8194594456891 1.81945868827705 1.81946020310499 1.85022991678749 1.57869574061634 2475336.613493212 1.77715114424398 180.994557799962 52.8414084115112 78.9771480904463 1782123.66450135 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 20:57:05 2021-Apr-13 20:57
2075-Jun-15 08:29 00:02 Jupiter 1.67363613587259 1.67363549307158 1.6736367786734 2.22457549958764 1.984072028525 2479103.853758364 2.07669566477616 559.763669950173 21.2301909335712 -86.8514477613507 2058262.83770419 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 20:57:05 2021-Apr-13 20:57
2085-Oct-04 07:15 00:03 Jupiter 1.99272796350373 1.99272658285288 1.99272934415504 3.04463206919337 2.90166691701309 2482867.802105905 2.6070069742965 99.8937717487742 27.3419257899646 -61.8700480581817 1573808.05877177 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 20:57:05 2021-Apr-13 20:57
2148-Mar-29 04:26 00:05 Jupiter 1.81299989685844 1.81299807896112 1.81300171477627 1.75548960338789 1.46538593109997 2505688.684795142 4.93638721822405 362.544852568003 68.0880105671184 75.9681139453457 1745200.94633918 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 20:57:05 2021-Apr-13 20:57
2158-Jul-19 16:44 00:05 Jupiter 1.67771539920613 1.67771441194281 1.67771638648633 2.20682950562214 1.96478070458167 2509453.197461021 4.99668806648979 673.337230576281 25.9733189026282 -87.6102009181059 1684121.88992447 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 20:57:05 2021-Apr-13 20:57
2168-Nov-08 19:04 00:06 Jupiter 1.9971590261736 1.99715613419525 1.99716191815468 3.11662344331342 2.97743417733285 2513218.294480910 5.63713111853088 196.11114159903 30.3933035467761 -56.2783229367303 1341234.08906336 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 20:57:05 2021-Apr-13 20:57

Alternate Designations
 2000 NC18 = 2001 XT14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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