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9107 Narukospa (1997 AE4)
Classification: Main-belt Asteroid          SPK-ID: 2009107
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .205624409916984 1.9236e-08  
a 2.86394386288539 1.0049e-08 au
q 2.275047096044214 5.8237e-08 au
i 6.811328337915266 4.2586e-07 deg
node 126.1388619619733 6.0003e-06 deg
peri 13.19422676485043 6.5297e-06 deg
M 3.094143776379541 4.0378e-06 deg
tp 2459381.284607224749
(2021-Jun-15.78460722)
1.9809e-05 TDB
period 1770.293106902631
4.85
9.3175e-06
2.551e-08
d
yr
n .2033561553147936 1.0703e-09 deg/d
Q 3.452840629726566 1.2115e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2192  
   data-arc span      14429 days (39.50 yr)  
   first obs. used      1981-11-25  
   last obs. used      2021-05-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46249  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 01:54:34  

Additional Information
 Earth MOID = 1.28977 au 
 Jupiter MOID = 1.58221 au 
 T_jup = 3.259 
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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 13.12   n/a MPCxxxxx  
diameter diameter 19.07 km 1.7 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
geometric albedo albedo 0.0255   0.005 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2

9107 Narukospa           Discovered 1997 Jan. 6 by T. Kobayashi at Oizumi.
Naruko-onsen is a town famous for its hot springs, visited by tourists all year long. Narukokyo is a gorge, 100 meters deep and known for its beautiful autumn leaves. Onikobe geyser ejects hot water 20 meters into the air. The Naruko crater on Mars is also named for the town.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20091004/MPCPages.arcLast Updated: 2009-10-06

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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
1902-Apr-15 04:26 00:02 Jupiter 1.68473432351832 1.68473345445575 1.68473519258051 1.71962943585378 1.39699638082801 2415854.684681017 1.71096319360756 48.6852330132581 8.30139005191841 -74.5749358679722 2583569.88483617 T 36 CATAB v2.0g-lin.ifort 2021-Jul-08 01:55:40 2021-Jul-08 01:55
1927-Jan-18 11:33 00:01 Jupiter 1.60454879824195 1.60454849095618 1.60454910553155 1.57001935226154 1.18709064488948 2424898.981229968 1.26887144514313 154.735586427765 25.7376910828468 85.9323484706981 6998556.25919726 T 36 CATAB v2.0g-lin.ifort 2021-Jul-08 01:55:40 2021-Jul-08 01:55
1951-Nov-20 19:30 < 00:01 Jupiter 1.88482547868293 1.88482479919837 1.88482615816771 2.19871089067773 1.9838217518949 2433971.312444313 0.988521354784767 57.1128552196032 3.68727664633472 84.8873383091429 6005822.72896 T 36 CATAB v2.0g-lin.ifort 2021-Jul-08 01:55:40 2021-Jul-08 01:55
2009-Mar-08 06:52 < 00:01 Jupiter 1.66571163014654 1.66571149925809 1.66571176103508 1.7094542125557 1.38029849039204 2454898.786392844 0.122290831107711 40.2432986225092 6.79524497042597 -71.8686612345683 16932202.3405747 T 36 CATAB v2.0g-lin.ifort 2021-Jul-08 01:55:40 2021-Jul-08 01:55
2033-Dec-13 07:32 < 00:01 Jupiter 1.61130886873483 1.61130865822581 1.61130907924459 1.52056817170165 1.12284477683073 2463944.813879186 0.347024047661354 74.237756500113 20.1935219625359 -72.7607656054224 10586287.8595133 T 36 CATAB v2.0g-lin.ifort 2021-Jul-08 01:55:40 2021-Jul-08 01:55
2058-Oct-17 15:49 < 00:01 Jupiter 1.91162539414188 1.91162483687121 1.91162595141255 2.27697399744355 2.07326557647541 2473019.159362760 0.789737841505992 40.4132121297616 2.78345726048013 86.297208341133 5570847.74181799 T 36 CATAB v2.0g-lin.ifort 2021-Jul-08 01:55:40 2021-Jul-08 01:55
2116-Jan-31 19:34 00:02 Jupiter 1.65180345707152 1.65180280706796 1.65180410707527 1.69131146719878 1.35460750104031 2493943.315255710 1.53059725688727 75.4361702337187 13.8833439412038 -87.5846159252384 3625010.53925717 T 36 CATAB v2.0g-lin.ifort 2021-Jul-08 01:55:40 2021-Jul-08 01:55
2140-Nov-07 17:54 00:02 Jupiter 1.6181208884493 1.61812021540243 1.61812156150924 1.46112528399558 1.04305604847674 2502990.245911525 1.968335357017 284.488726558437 41.4107297704429 -89.7325325082568 6897051.58824949 T 36 CATAB v2.0g-lin.ifort 2021-Jul-08 01:55:40 2021-Jul-08 01:55
2165-Sep-17 04:54 00:03 Jupiter 1.94430515787334 1.94430340167424 1.94430691407277 2.39923439062113 2.21021268070596 2512069.704441790 2.55748508831145 113.955349295534 1.68963060644434 80.5184615282349 5235886.10076239 T 36 CATAB v2.0g-lin.ifort 2021-Jul-08 01:55:40 2021-Jul-08 01:55
2198-Feb-28 23:31 00:03 Jupiter 1.98189467551982 1.98189231815105 1.98189703288701 2.39588470963865 2.21031743734748 2523922.479614968 2.99047814401096 82.0612413046633 7.7889293986498 36.5469684238528 5820987.10230938 T 36 CATAB v2.0g-lin.ifort 2021-Jul-08 01:55:40 2021-Jul-08 01:55

Alternate Designations
 1997 AE4 = 1981 WB8 = 1983 JK = 1990 RA15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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