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JPL Small-Body Database Browser
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48952 (1998 QY19)
Classification: Main-belt Asteroid          SPK-ID: 2048952
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1306608142228411 3.5593e-08  
a 2.305386560790207 8.4255e-09 au
q 2.004162875658963 8.4078e-08 au
i 7.861000913121871 5.0673e-06 deg
node 162.6788135952941 2.2182e-05 deg
peri 303.0475029345687 2.9164e-05 deg
M 315.1508004282093 2.1078e-05 deg
tp 2459159.781837938812
(2020-Nov-06.28183794)
7.5333e-05 TDB
period 1278.539242739107
3.50
7.009e-06
1.919e-08
d
yr
n .2815713338831478 1.5436e-09 deg/d
Q 2.606610245921451 9.5264e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1290  
   data-arc span      9780 days (26.78 yr)  
   first obs. used      1993-02-15  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52891  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:39:10  

Additional Information
 Earth MOID = 1.03286 au 
 Jupiter MOID = 2.51475 au 
 T_jup = 3.564 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456925.5 (2014-Sep-25.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1299937083155517 3.544e-08  
q 2.005690878431323 8.3636e-08 au
tp 2456600.869823218866
(2013-Nov-04.36982322)
6.9167e-05 TDB
node 162.7600012029463 2.2174e-05 deg
peri 302.6504368364131 2.9278e-05 deg
i 7.861839380169581 5.0683e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1290  
   data-arc span      9780 days (26.78 yr)  
   first obs. used      1993-02-15  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52891  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:39:10  

Additional Information
 Jupiter MOID = 2.51475 au 
 T_jup = 3.564 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.255969493377905E-15 -2.953101087279475E-15 6.928838980105932E-13 -1.974917069955841E-15 2.170271520462452E-13 -3.330239147919493E-16
q -2.953101087279475E-15 6.995020238524592E-15 -1.389730758700383E-12 4.749079407109488E-15 -4.442127320531009E-13 9.554828166285189E-16
tp 6.928838980105932E-13 -1.389730758700383E-12 4.784134151759365E-9 -1.776087289817266E-12 1.326854163095134E-9 -8.915887424816928E-13
node -1.974917069955841E-15 4.749079407109488E-15 -1.776087289817266E-12 4.916698525410584E-10 -4.870865861240022E-10 -2.556891738446908E-12
peri 2.170271520462452E-13 -4.442127320531009E-13 1.326854163095134E-9 -4.870865861240022E-10 8.572000870779248E-10 2.242751732126872E-12
i -3.330239147919493E-16 9.554828166285189E-16 -8.915887424816928E-13 -2.556891738446908E-12 2.242751732126872E-12 2.568717903605614E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO502482  
diameter diameter 2.448 km 0.169 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.354   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48952 (1998 QY19)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QY19 = 1993 CZ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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