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175111 (2004 NR18)
Classification: Main-belt Asteroid          SPK-ID: 2175111
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .270169280279099 4.4156e-08  
a 3.078069044921559 1.9625e-08 au
q 2.246469346405728 1.4097e-07 au
i 4.278199065365113 3.7101e-06 deg
node 179.6675348906007 7.12e-05 deg
peri 69.8236413860225 7.3115e-05 deg
M 34.89131896161934 1.0214e-05 deg
tp 2459009.325109936482
(2020-Jun-08.82510994)
5.6541e-05 TDB
period 1972.495235808433
5.40
1.8865e-05
5.165e-08
d
yr
n .1825099465208355 1.7455e-09 deg/d
Q 3.90966874343739 2.4928e-08 au
  Orbit Determination Parameters
   # obs. used (total)      424  
   data-arc span      8177 days (22.39 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-09-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51635  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:04:04  

Additional Information
 Earth MOID = 1.23555 au 
 Jupiter MOID = 1.15874 au 
 T_jup = 3.167 
[ 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 16.10   n/a MPCxxxxx  

175111 (2004 NR18)          Discovered 2004-Jul-14 by LINEAR at Socorro
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
1942-Feb-22 16:12 00:02 Jupiter 1.37222481041424 1.37222307609874 1.37222654473134 0.608144140451927 n/a 2430413.175271596 2.24800467743064 191.300722662789 77.9404860316929 77.6121973534758 2581870.89387516 F 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:04:05 2021-Apr-13 21:04
1951-Oct-02 17:04 00:02 Jupiter 1.64484878896774 1.64484704913551 1.64485052879596 1.53063227558767 1.14582978184578 2433922.210966375 2.0790792972487 321.266284812525 101.684246647437 -29.8329249313961 966280.887075511 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:04:05 2021-Apr-13 21:04
2001-Oct-30 04:55 < 00:01 Jupiter 1.52549560073973 1.52549437717191 1.52549682503899 0.295593330619873 n/a 2452212.704895357 0.762793898200769 2007.68036084232 34.0367226134067 88.5538756369037 6700601.91643797 F 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:04:05 2021-Apr-13 21:04
2011-Jun-17 12:48 < 00:01 Jupiter 1.47513990508278 1.47513857781374 1.47514123253203 1.11666850377661 0.313930524008532 2455730.033087180 0.681309536299303 10638.5134224501 1003.20128987141 -12.2771216831647 2358441.41932851 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:04:05 2021-Apr-13 21:04
2061-Jul-02 13:19 00:02 Jupiter 1.67832047457795 1.67831842195742 1.67832252720031 0.614781035912309 n/a 2474008.054876528 1.70018779178587 149.629996508642 61.359770360554 53.1075626540414 3422885.84242864 F 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:04:05 2021-Apr-13 21:04
2071-Jan-29 02:00 00:02 Jupiter 1.35967155756491 1.35966966461803 1.35967345059033 0.965804950871511 n/a 2477505.583433012 1.74020149769032 533.699737767501 18.2900976061495 80.0016230027444 10948370.4578248 F 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:04:05 2021-Apr-13 21:04
2120-Nov-22 12:14 00:03 Jupiter 1.69387172522901 1.69386925617662 1.69387419428331 0.644098724346494 n/a 2495700.009506867 2.52301778142912 157.385853083406 50.200069960392 41.0897990624809 3531224.27279963 F 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:04:05 2021-Apr-13 21:04
2130-May-30 14:04 00:02 Jupiter 1.37642918363112 1.37642714467487 1.37643122269243 0.937596692637036 n/a 2499176.086169751 2.3662307520409 617.813379939044 18.0951509372239 80.6759471570253 11225161.2515446 F 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:04:05 2021-Apr-13 21:04
2179-Dec-22 18:47 00:02 Jupiter 1.55917558214547 1.55917367048759 1.55917749388242 0.14360146602098 n/a 2517279.282897948 2.42682955329473 761.481202037006 64.8642235576143 84.7170293395478 3579693.44549983 F 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:04:05 2021-Apr-13 21:04
2189-Jun-19 07:40 00:02 Jupiter 1.51830339412762 1.51830179812735 1.51830499046448 1.10846110873363 0.336061512339608 2520745.819363412 2.30383250494853 11817.9214763483 827.038044375546 -14.3703245560003 2513465.08411914 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:04:05 2021-Apr-13 21:04

Alternate Designations
 2004 NR18 = 1998 HW56 = 1999 RB244 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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