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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .221230056819804 2.9235e-08  
a 2.560833622679725 1.1598e-08 au
q 1.994300254828225 7.6071e-08 au
i 6.153486567556812 4.2268e-06 deg
node 120.557606079231 4.5422e-05 deg
peri 196.6242260084509 4.7569e-05 deg
M 122.078630449301 1.5759e-05 deg
tp 2458492.916355740569
(2019-Jan-09.41635574)
6.3679e-05 TDB
period 1496.823082474557
4.10
1.0169e-05
2.784e-08
d
yr
n .2405093856548803 1.6339e-09 deg/d
Q 3.127366990531225 1.4164e-08 au
  Orbit Determination Parameters
   # obs. used (total)      630  
   data-arc span      9815 days (26.87 yr)  
   first obs. used      1993-03-18  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52357  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:14:13  

Additional Information
 Earth MOID = .981658 au 
 Jupiter MOID = 2.18034 au 
 T_jup = 3.392 
[ show covariance matrix ]

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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