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101019 (1998 QQ57)
Classification: Main-belt Asteroid          SPK-ID: 2101019
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1742989028279883 5.2368e-08  
a 2.620684273942561 1.224e-08 au
q 2.16390188033581 1.389e-07 au
i 1.36245670226853 5.8703e-06 deg
node 192.6334499276722 0.00018292 deg
peri 126.3886327173992 0.00018365 deg
M 113.76970203192 1.3336e-05 deg
tp 2458710.783653643104
(2019-Aug-15.28365364)
5.7782e-05 TDB
period 1549.603115239059
4.24
1.0856e-05
2.972e-08
d
yr
n .2323175505132245 1.6275e-09 deg/d
Q 3.077466667549313 1.4373e-08 au
  Orbit Determination Parameters
   # obs. used (total)      468  
   data-arc span      11014 days (30.15 yr)  
   first obs. used      1990-11-23  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5442  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:49  

Additional Information
 Earth MOID = 1.1492 au 
 Jupiter MOID = 2.22647 au 
 T_jup = 3.383 
[ 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 16.5   n/a MPO439691  

101019 (1998 QQ57)          Discovered 1998-Aug-30 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 QQ57 = 1996 AS16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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