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JPL Small-Body Database Browser
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18904 (2000 OY8)
Classification: Main-belt Asteroid          SPK-ID: 2018904
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2191892823406289 3.836e-08  
a 2.38409516732579 8.7053e-09 au
q 1.861527058567889 9.2876e-08 au
i 1.439103083671413 3.9873e-06 deg
node 315.3244696790508 0.00016707 deg
peri 65.45452240216284 0.00016729 deg
M 122.7395680531924 1.0429e-05 deg
tp 2458542.077528991572
(2019-Feb-27.57752899)
3.7556e-05 TDB
period 1344.571210251554
3.68
7.3643e-06
2.016e-08
d
yr
n .267743349891188 1.4665e-09 deg/d
Q 2.906663276083691 1.0613e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1496  
   data-arc span      16569 days (45.36 yr)  
   first obs. used      1974-08-26  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51143  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 00:55:48  

Additional Information
 Earth MOID = .864776 au 
 Jupiter MOID = 2.55841 au 
 T_jup = 3.503 
[ 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 14.4   n/a MPO449089  
diameter diameter 3.131 km 0.426 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.233   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18904 (2000 OY8)          Discovered 2000-Jul-31 by LINEAR at Socorro
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 OY8 = 1974 QK2 = 1978 VK1 = 1989 UC9 = 1999 KG17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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