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19516 (1998 QF80)
Classification: Main-belt Asteroid          SPK-ID: 2019516
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2658336804833824 5.7567e-08  
a 2.344651333801217 9.5702e-09 au
q 1.721364040286568 1.3698e-07 au
i 11.67016155870012 5.4163e-06 deg
node 293.6228831205365 2.0433e-05 deg
peri 41.8203115466252 2.137e-05 deg
M 17.14478654870715 6.1452e-06 deg
tp 2458938.048134969528
(2020-Mar-29.54813497)
2.2272e-05 TDB
period 1311.341575883615
3.59
8.0288e-06
2.198e-08
d
yr
n .2745280151416102 1.6808e-09 deg/d
Q 2.967938627315866 1.2114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1679  
   data-arc span      23268 days (63.70 yr)  
   first obs. used      1955-08-24  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45728  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:43:53  

Additional Information
 Earth MOID = .728819 au 
 Jupiter MOID = 2.45098 au 
 T_jup = 3.487 
[ 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 13.4   n/a MPO435880  
diameter diameter 10.731 km 0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.4383 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pravec, P.; Wolf, M.; Sarounova, L. (2016) http://www.asu.cas.cz/~ppravec/neo.htm]
[Aznar Macias, A. (2017) Minor Planet Bull. 44, 60-63.]
[Salvaggio, F.; Marchini, A.; Papini, R. (2017) Minor Planet Bull. 44, 57-58.]
geometric albedo albedo 0.046   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

19516 (1998 QF80)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QF80 = 1955 QW = 1955 SD = 2000 AT125 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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