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19515 (1998 QM76)
Classification: Main-belt Asteroid          SPK-ID: 2019515
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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1324780150579696 3.0626e-08  
a 2.641226573926736 9.7592e-09 au
q 2.29132212009456 8.193e-08 au
i 9.940361972693864 3.4384e-06 deg
node 244.8586418335315 1.7743e-05 deg
peri 291.744676373704 2.2476e-05 deg
M 243.8529396129746 1.6002e-05 deg
tp 2459706.339379266651
(2022-May-06.83937927)
7.0882e-05 TDB
period 1567.858677862302
4.29
8.6898e-06
2.379e-08
d
yr
n .2296125314628754 1.2726e-09 deg/d
Q 2.991131027758912 1.1052e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2657  
   data-arc span      13431 days (36.77 yr)  
   first obs. used      1984-06-01  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45468  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:56:15  

Additional Information
 Earth MOID = 1.31552 au 
 Jupiter MOID = 2.07251 au 
 T_jup = 3.361 
[ 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 12.93   n/a E2021B10  
diameter diameter 6.623 km 0.117 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.367   0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19515 (1998 QM76)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QM76 = 1984 LF = 1986 WW1 = 1990 TL16 = 1990 VB8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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