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100984 (1998 QQ30)
Classification: Main-belt Asteroid          SPK-ID: 2100984
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .2212300581998366 2.9147e-08  
a 2.560833622658937 1.1594e-08 au
q 1.994300251278002 7.5836e-08 au
i 6.15348634328245 4.2057e-06 deg
node 120.5576072975246 4.48e-05 deg
peri 196.6242225871341 4.6927e-05 deg
M 122.0786323902719 1.5625e-05 deg
tp 2458492.916347676500
(2019-Jan-09.41634768)
6.3112e-05 TDB
period 1496.823082456331
4.10
1.0165e-05
2.783e-08
d
yr
n .2405093856578089 1.6333e-09 deg/d
Q 3.127366994039872 1.4159e-08 au
  Orbit Determination Parameters
   # obs. used (total)      638  
   data-arc span      10078 days (27.59 yr)  
   first obs. used      1993-03-18  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52487  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:06  

Additional Information
 Earth MOID = .981658 au 
 Jupiter MOID = 2.18034 au 
 T_jup = 3.392 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457533.5 (2016-May-25.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2226578920830761 2.8923e-08  
q 1.989192934046067 7.5204e-08 au
tp 2456997.188680671588
(2014-Dec-05.68868067)
5.7901e-05 TDB
node 120.6411181119697 4.48e-05 deg
peri 196.5847131949283 4.6894e-05 deg
i 6.154954133739283 4.2038e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      638  
   data-arc span      10078 days (27.59 yr)  
   first obs. used      1993-03-18  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52487  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:06  

Additional Information
 Jupiter MOID = 2.18034 au 
 T_jup = 3.392 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.36552604918659E-16 -2.159732823804901E-15 -8.182110049384536E-13 -4.217170985118902E-15 -2.006299009308046E-13 4.049172294426375E-17
q -2.159732823804901E-15 5.655574820618943E-15 2.29227598843936E-12 1.233692227385333E-14 5.660713375418911E-13 1.043687430463712E-17
tp -8.182110049384536E-13 2.29227598843936E-12 3.352559315456405E-9 9.100485344623611E-12 8.362478265857943E-10 6.134389590687761E-13
node -4.217170985118902E-15 1.233692227385333E-14 9.100485344623611E-12 2.007056537443607E-9 -1.992903364003748E-9 -1.118672915773403E-10
peri -2.006299009308046E-13 5.660713375418911E-13 8.362478265857943E-10 -1.992903364003748E-9 2.199090729848708E-9 1.113780670784374E-10
i 4.049172294426375E-17 1.043687430463712E-17 6.134389590687761E-13 -1.118672915773403E-10 1.113780670784374E-10 1.767229953035047E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO449611  

100984 (1998 QQ30)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 QQ30 = 2002 LL21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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