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100985 (1998 QW30)
Classification: Main-belt Asteroid          SPK-ID: 2100985
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2405938254448413 3.3922e-08  
a 3.077181703865723 1.9942e-08 au
q 2.336830786143794 1.026e-07 au
i 2.506478836951302 3.701e-06 deg
node 176.3023453649793 9.6105e-05 deg
peri 139.5239688622644 9.646e-05 deg
M 24.96845141419297 8.1556e-06 deg
tp 2458863.753176786237
(2020-Jan-15.25317679)
4.4151e-05 TDB
period 1971.642355399396
5.40
1.9166e-05
5.247e-08
d
yr
n .1825888955033504 1.7749e-09 deg/d
Q 3.817532621587653 2.474e-08 au
  Orbit Determination Parameters
   # obs. used (total)      623  
   data-arc span      8126 days (22.25 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53302  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:28:41  

Additional Information
 Earth MOID = 1.32399 au 
 Jupiter MOID = 1.50818 au 
 T_jup = 3.182 
[ 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 15.2   n/a MPO436470  

100985 (1998 QW30)          Discovered 1998-Aug-17 by LINEAR at Socorro
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
1919-Aug-29 23:15 00:03 Jupiter 1.49361592302913 1.4936155277041 1.49361631835428 0.602668297133344 n/a 2422200.468598594 3.23342558093926 97.1478516428565 19.1960037444804 87.2999022016388 11623861.5142409 F 25 CATAB v2.0f-lin.ifort 2020-Dec-17 22:28:43 2020-Dec-17 22:28
1929-Apr-19 11:05 00:03 Jupiter 1.99623320745494 1.9962314424598 1.99623497245168 3.38640908553342 3.25870306863223 2425720.962030990 2.78530107515823 133.765279291638 19.4707233417503 -64.4731010308051 2095824.55856412 T 25 CATAB v2.0f-lin.ifort 2020-Dec-17 22:28:43 2020-Dec-17 22:28
1979-Jun-02 10:39 00:01 Jupiter 1.52219729337241 1.52219677014007 1.52219781660493 0.640069780788582 n/a 2444026.943806150 1.20398915124971 59.734450754432 22.9057320447794 76.9109047775119 9718506.4748651 F 25 CATAB v2.0f-lin.ifort 2020-Dec-17 22:28:43 2020-Dec-17 22:28
1989-Jan-21 16:26 < 00:01 Jupiter 1.87308465166666 1.87308399174143 1.87308531159169 2.60241977645947 2.42243145055128 2447548.184946441 0.877603591675485 46.3841529382215 11.1326914023596 -85.9112167725282 1918055.83251512 T 25 CATAB v2.0f-lin.ifort 2020-Dec-17 22:28:43 2020-Dec-17 22:28
2039-Mar-15 04:55 < 00:01 Jupiter 1.596035684668 1.5960352792164 1.59603609011965 0.842521565497222 n/a 2465862.705178832 0.834031633597255 53.3734560256076 19.2315186334696 82.801260306487 12326381.4122659 F 25 CATAB v2.0f-lin.ifort 2020-Dec-17 22:28:43 2020-Dec-17 22:28
2048-Nov-10 05:06 00:01 Jupiter 1.74545995590772 1.74545906342608 1.74546084838786 1.84686716829963 1.56216987330984 2469390.712308897 1.22688741193884 68.744513178882 38.3092342602186 27.5507709912249 1040167.24699545 T 25 CATAB v2.0f-lin.ifort 2020-Dec-17 22:28:43 2020-Dec-17 22:28
2099-Jan-02 12:25 00:03 Jupiter 1.70956144713413 1.70955997565785 1.70956291859934 1.18638364262174 0.645431950256803 2487706.017694264 2.79235947560518 1515.76051583136 236.338623345095 3.58319798213927 662145.880492924 T 25 CATAB v2.0f-lin.ifort 2020-Dec-17 22:28:43 2020-Dec-17 22:28
2108-Sep-07 07:19 00:03 Jupiter 1.63080271095027 1.63080110153878 1.63080432038215 1.22477796479564 0.679191571559329 2491240.804726064 3.22868041629617 2191.23639227037 153.997597836316 -15.8686561684789 1606057.38154266 T 25 CATAB v2.0f-lin.ifort 2020-Dec-17 22:28:43 2020-Dec-17 22:28
2158-Oct-19 11:19 00:05 Jupiter 1.84141796200707 1.84141521841203 1.84142070559865 1.63020345736718 1.31817890322175 2509544.971630358 4.54628093042363 344.538528243319 69.0666001509521 47.5308416375053 1178073.98715748 T 25 CATAB v2.0f-lin.ifort 2020-Dec-17 22:28:43 2020-Dec-17 22:28
2168-Jun-26 03:57 00:05 Jupiter 1.55190364088644 1.55190204701739 1.55190523475582 0.83153519550718 n/a 2513082.664807678 4.92710481120228 88.7225628952969 34.8468371326726 -28.8973531612814 3949656.06631543 F 25 CATAB v2.0f-lin.ifort 2020-Dec-17 22:28:43 2020-Dec-17 22:28

Alternate Designations
 1998 QW30 = 2003 NT5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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