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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2405938482758156 4.1952e-08  
a 3.07718169579278 2.4316e-08 au
q 2.336830709758095 1.3421e-07 au
i 2.50648349827548 3.9553e-06 deg
node 176.3022608684575 0.00011172 deg
peri 139.5240369935405 0.00011201 deg
M 24.96846531033317 8.8927e-06 deg
tp 2458863.753101218204
(2020-Jan-15.25310122)
4.7866e-05 TDB
period 1971.642347640531
5.40
2.337e-05
6.398e-08
d
yr
n .1825888962218796 2.1642e-09 deg/d
Q 3.817532681827466 3.0166e-08 au
  Orbit Determination Parameters
   # obs. used (total)      502  
   data-arc span      7673 days (21.01 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5552  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:05:15  

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 00:04 Jupiter 1.49361581658775 1.49361538876273 1.49361624441276 0.602667573373753 n/a 2422200.468895685 3.87301527256567 112.228936117461 21.33388161162 89.9839799815827 10470201.4126379 F 23 CATAB v2.0f-lin.ifort 2019-Sep-24 03:05:18 2019-Sep-24 03:05
1929-Apr-19 11:06 00:03 Jupiter 1.99623284398145 1.99623080974394 1.99623487822112 3.38640665654176 3.2587005207419 2425720.962248063 3.29472871203052 155.801198707892 21.880237183674 -64.990268986556 1867068.47043505 T 23 CATAB v2.0f-lin.ifort 2019-Sep-24 03:05:18 2019-Sep-24 03:05
1979-Jun-02 10:39 00:01 Jupiter 1.52219728830973 1.52219676380074 1.52219781281886 0.640069879236421 n/a 2444026.943955008 1.4107388333918 66.1174115529809 24.0607120618486 80.4140262149725 9346768.09595213 F 23 CATAB v2.0f-lin.ifort 2019-Sep-24 03:05:18 2019-Sep-24 03:05
1989-Jan-21 16:26 < 00:01 Jupiter 1.87308438373677 1.87308368609267 1.87308508138065 2.60241808382795 2.42242960545357 2447548.185039428 0.988117011783297 52.3956798129335 11.8128154316695 -88.1316215669055 1759917.79579489 T 23 CATAB v2.0f-lin.ifort 2019-Sep-24 03:05:18 2019-Sep-24 03:05
2039-Mar-15 04:55 00:01 Jupiter 1.59603571457967 1.59603513121135 1.59603629794819 0.842522002644915 n/a 2465862.705203493 1.02762085179482 61.6302967113041 25.1336157688601 74.9126247401137 9224738.92550627 F 23 CATAB v2.0f-lin.ifort 2019-Sep-24 03:05:18 2019-Sep-24 03:05
2048-Nov-10 05:06 00:02 Jupiter 1.74545977404105 1.74545875301756 1.74546079506265 1.84686583270094 1.56216826193818 2469390.712305143 1.52379987613948 78.692759508544 41.4137175879713 34.0471100270351 970866.682055752 T 23 CATAB v2.0f-lin.ifort 2019-Sep-24 03:05:18 2019-Sep-24 03:05
2099-Jan-02 12:25 00:03 Jupiter 1.70956145248848 1.7095595791662 1.70956332579172 1.18638392010871 0.64543246271626 2487706.017585312 3.3653807371451 2002.99489548753 250.225853064747 3.67704316442812 523014.260192575 T 23 CATAB v2.0f-lin.ifort 2019-Sep-24 03:05:18 2019-Sep-24 03:05
2108-Sep-07 07:19 00:04 Jupiter 1.63080260407038 1.63080075586296 1.6308044523031 1.22477716850297 0.679190085494953 2491240.804596773 3.90150228453149 2474.3299743954 186.137574804098 -15.8120276021026 1327344.9638391 T 23 CATAB v2.0f-lin.ifort 2019-Sep-24 03:05:18 2019-Sep-24 03:05
2158-Oct-19 11:19 00:05 Jupiter 1.84141789398453 1.84141453703173 1.84142125093073 1.63020345029586 1.31817888158612 2509544.971399134 5.44918553120356 422.565840724194 72.2490801788728 45.4810332039881 1092466.30194577 T 23 CATAB v2.0f-lin.ifort 2019-Sep-24 03:05:18 2019-Sep-24 03:05
2168-Jun-26 03:57 00:06 Jupiter 1.55190357403506 1.55190178372989 1.55190536434071 0.831534758752929 n/a 2513082.664553643 5.92223764250745 100.859632555309 35.9506387671382 -29.8696983478996 3783492.03137015 F 23 CATAB v2.0f-lin.ifort 2019-Sep-24 03:05:18 2019-Sep-24 03:05

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