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JPL Small-Body Database Browser
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19786 (2000 QR104)
Classification: Main-belt Asteroid          SPK-ID: 2019786
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01837022191833823 3.5014e-08  
a 3.022987641447324 2.0334e-08 au
q 2.967454687617543 1.0781e-07 au
i 10.18350818019853 3.9244e-06 deg
node 137.0135503983801 2.2225e-05 deg
peri 79.83502406830091 0.00011432 deg
M 61.75661579385102 0.00011089 deg
tp 2458671.167968827353
(2019-Jul-06.66796883)
0.00059194 TDB
period 1919.786725650822
5.26
1.937e-05
5.303e-08
d
yr
n .1875208298869539 1.892e-09 deg/d
Q 3.078520595277105 2.0707e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1417  
   data-arc span      10471 days (28.67 yr)  
   first obs. used      1990-11-18  
   last obs. used      2019-07-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5069  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:55:47  

Additional Information
 Earth MOID = 1.98232 au 
 Jupiter MOID = 1.93187 au 
 T_jup = 3.221 
[ 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 13.6   n/a MPO449096  
diameter diameter 6.366 km 0.223 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.190   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19786 (2000 QR104)          Discovered 2000-Aug-28 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 QR104 = 1990 WG7 = 1998 HF139 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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