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100989 (1998 QA34)
Classification: Main-belt Asteroid          SPK-ID: 2100989
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2139421004135179 5.3731e-08  
a 2.395763728426465 9.6199e-09 au
q 1.883209004272387 1.3078e-07 au
i 1.982106097399777 5.7308e-06 deg
node 316.9932296326281 0.00014784 deg
peri 39.03212103695618 0.00014826 deg
M 300.2057093112028 1.3507e-05 deg
tp 2459225.468453426999
(2021-Jan-10.96845343)
5.1602e-05 TDB
period 1354.454452101951
3.71
8.1579e-06
2.234e-08
d
yr
n .2657896686310293 1.6009e-09 deg/d
Q 2.908318452580544 1.1678e-08 au
  Orbit Determination Parameters
   # obs. used (total)      538  
   data-arc span      8005 days (21.92 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-07-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52345  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:04  

Additional Information
 Earth MOID = .879236 au 
 Jupiter MOID = 2.53979 au 
 T_jup = 3.497 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456713.5 (2014-Feb-25.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2122481305768874 5.3391e-08  
q 1.887152994334538 1.295e-07 au
tp 2456517.343487491765
(2013-Aug-12.84348749)
4.5048e-05 TDB
node 317.0708163516409 0.00014772 deg
peri 39.01166173141998 0.00014816 deg
i 1.983450259242491 5.7275e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      538  
   data-arc span      8005 days (21.92 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-07-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52345  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:04  

Additional Information
 Jupiter MOID = 2.53979 au 
 T_jup = 3.497 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.850584246845662E-15 -6.902688477322412E-15 -7.747778665957921E-14 -1.431180416382087E-14 -6.749760337750776E-14 -2.174911042048265E-15
q -6.902688477322412E-15 1.676922972427944E-14 2.878150889759373E-13 3.489372730668248E-14 1.88454367168998E-13 5.346011907226382E-15
tp -7.747778665957921E-14 2.878150889759373E-13 2.029365333648506E-9 8.726357334394701E-12 5.334032902238895E-10 -6.843120304295128E-13
node -1.431180416382087E-14 3.489372730668248E-14 8.726357334394701E-12 2.182108655942759E-8 -2.180536981195571E-8 1.496657037589499E-10
peri -6.749760337750776E-14 1.88454367168998E-13 5.334032902238895E-10 -2.180536981195571E-8 2.195040444467301E-8 -1.497204226773723E-10
i -2.174911042048265E-15 5.346011907226382E-15 -6.843120304295128E-13 1.496657037589499E-10 -1.497204226773723E-10 3.28044144087774E-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 16.2   n/a MPO469017  

100989 (1998 QA34)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 QA34 = 2000 DW2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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