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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2405309295449789 3.1873e-08  
a 3.077337145761026 1.8883e-08 au
q 2.337142381567834 9.6152e-08 au
i 2.506393186478868 3.5304e-06 deg
node 176.3014471702721 9.3547e-05 deg
peri 139.5554506756245 9.3912e-05 deg
M 61.46723183332563 8.1879e-06 deg
tp 2458863.831720198961
(2020-Jan-15.33172020)
4.3674e-05 TDB
period 1971.791751693343
5.40
1.8149e-05
4.969e-08
d
yr
n .1825750613323327 1.6805e-09 deg/d
Q 3.817531909954218 2.3425e-08 au
  Orbit Determination Parameters
   # obs. used (total)      653  
   data-arc span      8182 days (22.40 yr)  
   first obs. used      1998-08-17  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52747  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:39  

Additional Information
 Earth MOID = 1.32233 au 
 Jupiter MOID = 1.50824 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 15.35   n/a E2021B55  

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 1.49361591830198 1.49361554049901 1.49361629610505 0.60266822069619 n/a 2422200.468579681 3.0868337103867 93.7838000410581 18.4120967436983 87.5130764803767 12120712.4458475 F 27 CATAB v2.0f-lin.ifort 2021-Apr-13 15:34:41 2021-Apr-13 15:34
1929-Apr-19 11:05 00:03 Jupiter 1.99623319990522 1.99623150650104 1.99623489331088 3.38640916966966 3.25870315629257 2425720.962023729 2.66019258359699 127.726414852931 18.7371449881632 -64.3350819174369 2181257.43093659 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 15:34:41 2021-Apr-13 15:34
1979-Jun-02 10:39 00:01 Jupiter 1.52219729069967 1.5221967906839 1.52219779071559 0.640069872307056 n/a 2444026.943807195 1.15602608758376 58.212648650256 22.1005513770192 77.6224866365321 10095842.0343074 F 27 CATAB v2.0f-lin.ifort 2021-Apr-13 15:34:41 2021-Apr-13 15:34
1989-Jan-21 16:26 < 00:01 Jupiter 1.87308466057716 1.87308401124178 1.87308530991232 2.60241985525658 2.42243153712235 2447548.184940836 0.845989191248598 43.9862681876108 10.8635362538731 -85.4543544311441 1958199.74459544 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 15:34:41 2021-Apr-13 15:34
2039-Mar-15 04:55 < 00:01 Jupiter 1.59603563653801 1.59603525367647 1.59603601939958 0.842521643204855 n/a 2465862.705120412 0.786099561507354 51.7420041521178 18.3202609547588 83.6256646948838 12958403.8436518 F 27 CATAB v2.0f-lin.ifort 2021-Apr-13 15:34:41 2021-Apr-13 15:34
2048-Nov-10 05:06 00:01 Jupiter 1.74546012164243 1.7454592663467 1.74546097693677 1.84686784241522 1.56217070149128 2469390.712164274 1.15837945789531 65.3519473067501 36.3737019861744 26.2481226875509 1081817.81821781 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 15:34:41 2021-Apr-13 15:34
2099-Jan-02 12:25 00:03 Jupiter 1.70956095561839 1.70955956138476 1.70956234984219 1.18638217192288 0.645429030461201 2487706.017093817 2.64882517202317 1432.78039129222 225.89714608856 3.58970666406865 699190.297814178 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 15:34:41 2021-Apr-13 15:34
2108-Sep-07 07:18 00:03 Jupiter 1.6308032029901 1.63080167063333 1.63080473536533 1.22478012182677 0.679195696250786 2491240.804041358 3.0637187943436 2085.82943305115 145.084119736094 -15.8699156449552 1703047.87952446 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 15:34:41 2021-Apr-13 15:34
2158-Oct-19 11:18 00:04 Jupiter 1.8414172157435 1.84141461065436 1.8414198208295 1.63020085058467 1.31817553989772 2509544.970866533 4.31995522820983 327.234826277446 67.7319920642211 47.6909699892349 1198897.68697627 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 15:34:41 2021-Apr-13 15:34
2168-Jun-26 03:56 00:05 Jupiter 1.55190398580458 1.55190246744293 1.55190550416651 0.831536604823617 n/a 2513082.664052714 4.68254897520659 84.7314068677004 34.5495446292678 -29.4473528783637 4073337.44304376 F 27 CATAB v2.0f-lin.ifort 2021-Apr-13 15:34:41 2021-Apr-13 15:34

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