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52775 (1998 QQ18)
Classification: Main-belt Asteroid          SPK-ID: 2052775
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2185789372662481 3.9025e-08  
a 2.276194135158773 7.3758e-09 au
q 1.778666040084102 8.8164e-08 au
i 1.85452360576917 4.5482e-06 deg
node 179.72883544 0.00011928 deg
peri 165.4675607798668 0.00011973 deg
M 170.1677704919908 1.3154e-05 deg
tp 2458607.592171043446
(2019-May-04.09217104)
4.3888e-05 TDB
period 1254.331638754153
3.43
6.0968e-06
1.669e-08
d
yr
n .2870054369014919 1.395e-09 deg/d
Q 2.773722230233445 8.988e-09 au
  Orbit Determination Parameters
   # obs. used (total)      856  
   data-arc span      8786 days (24.05 yr)  
   first obs. used      1997-03-02  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55402  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:19:51  

Additional Information
 Earth MOID = .769623 au 
 Jupiter MOID = 2.64289 au 
 T_jup = 3.576 
[ 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 15.90   n/a MPCxxxxx  

52775 (1998 QQ18)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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