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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2193771828546219 3.315e-08  
a 2.383705105003824 7.8244e-09 au
q 1.860774594311904 7.9041e-08 au
i 1.439094486126126 3.8626e-06 deg
node 315.3243604078377 0.00013964 deg
peri 65.43635037883963 0.0001399 deg
M 176.3109751647684 1.0431e-05 deg
tp 2458542.154208810205
(2019-Feb-27.65420881)
3.7057e-05 TDB
period 1344.241245372488
3.68
6.6186e-06
1.812e-08
d
yr
n .2678090716523463 1.3186e-09 deg/d
Q 2.906635615695743 9.5409e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1715  
   data-arc span      17012 days (46.58 yr)  
   first obs. used      1974-08-26  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49342  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:49:42  

Additional Information
 Earth MOID = .862684 au 
 Jupiter MOID = 2.55962 au 
 T_jup = 3.503 
[ 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 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

Alternate Designations
 2000 OY8 = 1974 QK2 = 1978 VK1 = 1989 UC9 = 1999 KG17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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