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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1743131385627377 5.3143e-08  
a 2.620083103407037 1.2358e-08 au
q 2.163368194356958 1.4109e-07 au
i 1.362602732532719 6.0032e-06 deg
node 192.6414004274424 0.0001837 deg
peri 126.3064717592274 0.00018447 deg
M 67.37654337098904 1.368e-05 deg
tp 2458710.580616638840
(2019-Aug-15.08061664)		 5.9161e-05 TDB
period 1549.069940191645
4.24		 1.096e-05
3.001e-08		 d
yr
n .2323975119906221 1.6442e-09 deg/d
Q 3.076798012457115 1.4513e-08 au
   Orbit Determination Parameters
   # obs. used (total)      452  
   data-arc span      10586 days (28.98 yr)  
   first obs. used      1990-11-23  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5525  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:36:36  

Additional Information
 Earth MOID = 1.15063 au 
 Jupiter MOID = 2.22706 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

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