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100329 (1995 QW8)
Classification: Main-belt Asteroid          SPK-ID: 2100329
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06538753147121941 4.468e-08  
a 3.180079430117789 3.0147e-08 au
q 2.972141886299984 1.4089e-07 au
i 15.1634414828462 6.7376e-06 deg
node 306.8315567066295 2.0227e-05 deg
peri 325.0271890542683 6.092e-05 deg
M 181.6894661075839 6.0166e-05 deg
tp 2460026.458698523275
(2023-Mar-22.95869852)
0.00035059 TDB
period 2071.359012873709
5.67
2.9454e-05
8.064e-08
d
yr
n .1737989396152782 2.4714e-09 deg/d
Q 3.388016973935593 3.2118e-08 au
  Orbit Determination Parameters
   # obs. used (total)      627  
   data-arc span      8894 days (24.35 yr)  
   first obs. used      1995-08-28  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53756  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 14:55:54  

Additional Information
 Earth MOID = 1.96774 au 
 Jupiter MOID = 1.8661 au 
 T_jup = 3.142 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456841.5 (2014-Jul-03.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06937627951153505 4.471e-08  
q 2.955721378232962 1.4161e-07 au
tp 2455875.678524289262
(2011-Nov-10.17852429)
0.00031642 TDB
node 306.9693519496967 2.0155e-05 deg
peri 323.2258637672256 5.7873e-05 deg
i 15.20092305660017 6.7446e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      627  
   data-arc span      8894 days (24.35 yr)  
   first obs. used      1995-08-28  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53756  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 14:55:54  

Additional Information
 Jupiter MOID = 1.8661 au 
 T_jup = 3.142 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.998993318409187E-15 -6.209949782787796E-15 4.40953061413682E-12 8.044406652969896E-15 7.816620292391973E-13 3.53054381914108E-15
q -6.209949782787796E-15 2.005265768169891E-14 -1.257779609233745E-11 -2.585535670710307E-14 -2.176071745230445E-12 -9.081447756784536E-15
tp 4.40953061413682E-12 -1.257779609233745E-11 1.001242444277148E-7 2.972071002920204E-12 1.71896121537064E-8 1.775192859543441E-11
node 8.044406652969896E-15 -2.585535670710307E-14 2.972071002920204E-12 4.062259218043844E-10 -3.911580163813344E-10 5.322467643322035E-11
peri 7.816620292391973E-13 -2.176071745230445E-12 1.71896121537064E-8 -3.911580163813344E-10 3.349268432688591E-9 -4.821786470082302E-11
i 3.53054381914108E-15 -9.081447756784536E-15 1.775192859543441E-11 5.322467643322035E-11 -4.821786470082302E-11 4.548925891674988E-11

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 14.5   n/a MPO381885  

100329 (1995 QW8)          Discovered 1995-Aug-28 by Spacewatch at Kitt Peak
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
1907-Aug-05 04:15 00:04 Jupiter 1.89683959033089 1.89683850425329 1.89684067642741 4.91504056551614 4.8233324137173 2417792.677407946 3.88344643560728 419.834591471198 35.7497866215007 85.0659749758394 2763579.55875995 T 22 CATAB v2.0f-lin.ifort 2020-Jan-29 14:56:12 2020-Jan-29 14:56
1918-Jun-24 04:31 00:04 Jupiter 1.90596920575521 1.90596819329708 1.90597021823165 4.10663517056009 3.99695410779127 2421768.688255057 3.86140770904274 374.124862237269 25.4954763489511 -82.0033849897101 2256539.30333524 T 22 CATAB v2.0f-lin.ifort 2020-Jan-29 14:56:12 2020-Jan-29 14:56
2026-Aug-17 19:54 < 00:01 Jupiter 1.95472325516516 1.95472263265833 1.95472387767332 5.05594024449201 4.96949593806979 2461270.329358201 0.527207404621122 182.04097496558 25.6457870613547 -85.1299154778981 2884706.9203778 T 22 CATAB v2.0f-lin.ifort 2020-Jan-29 14:56:12 2020-Jan-29 14:56
2037-Jul-20 08:51 00:01 Jupiter 1.86091265685375 1.86091205375205 1.86091325995692 4.60109338234779 4.50108099141854 2465259.868932196 1.01389014289148 150.865099789539 21.905739394249 -83.0307150554922 2670376.9146452 T 22 CATAB v2.0f-lin.ifort 2020-Jan-29 14:56:12 2020-Jan-29 14:56
2048-May-06 03:58 00:02 Jupiter 1.98112360288101 1.98112258431142 1.98112462145218 3.3974632228065 3.26919918274868 2469202.665041689 1.81974294708631 118.187979436243 23.775618369063 -63.5100530557548 1993319.68601597 T 22 CATAB v2.0f-lin.ifort 2020-Jan-29 14:56:12 2020-Jan-29 14:56
2156-Jul-31 06:20 00:05 Jupiter 1.86192259634784 1.86192168136031 1.86192351138025 4.86683270155424 4.77244424820569 2508734.763749821 5.30236555226163 622.41152365265 29.0102964277993 87.1921089179708 2824483.87961851 T 22 CATAB v2.0f-lin.ifort 2020-Jan-29 14:56:12 2020-Jan-29 14:56
2167-Jun-17 22:06 00:07 Jupiter 1.90240507029344 1.9024030754997 1.9024070651605 4.13442880608799 4.02529826122232 2512708.421081188 6.53151158655232 628.733236101874 23.130020164586 -79.6532936530163 2365221.35983231 T 22 CATAB v2.0f-lin.ifort 2020-Jan-29 14:56:12 2020-Jan-29 14:56
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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