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65684 (1990 QY5)
Classification: Main-belt Asteroid          SPK-ID: 2065684
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1888053428962332 6.2553e-08  
a 2.681138326338612 1.6919e-08 au
q 2.174925085282017 1.7003e-07 au
i 12.54787565830406 6.9072e-06 deg
node 332.4372595837759 2.0387e-05 deg
peri 26.04455304883004 2.3984e-05 deg
M 264.0605995897804 1.6337e-05 deg
tp 2459427.838240286618
(2021-Aug-01.33824029)
7.5532e-05 TDB
period 1603.530622928461
4.39
1.5179e-05
4.156e-08
d
yr
n .224504599321307 2.1251e-09 deg/d
Q 3.187351567395206 2.0114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1026  
   data-arc span      10481 days (28.70 yr)  
   first obs. used      1990-08-16  
   last obs. used      2019-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51857  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:43:58  

Additional Information
 Earth MOID = 1.17677 au 
 Jupiter MOID = 2.2758 au 
 T_jup = 3.317 
[ 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 13.9   n/a MPO436239  
diameter diameter 5.927 km 0.206 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.166   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65684 (1990 QY5)          Discovered 1990-Aug-29 by Holt, H. E. at Palomar
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 QY5 = 1999 RB110 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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