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22754 Olympus (1998 WJ8)
Classification: Main-belt Asteroid          SPK-ID: 2022754
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06954900425689788 2.0077e-08  
a 3.129553631704121 1.647e-08 au
q 2.911896292850541 6.0557e-08 au
i 17.21112857759721 2.73e-07 deg
node 79.81025318178212 9.7743e-07 deg
peri 255.1021532875713 1.0339e-05 deg
M 61.77902067850177 9.8177e-06 deg
tp 2458853.475175319554
(2020-Jan-04.97517532)
5.4007e-05 TDB
period 2022.190308504425
5.54
1.5963e-05
4.37e-08
d
yr
n .1780247875217291 1.4053e-09 deg/d
Q 3.347210970557701 1.7616e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2403  
   data-arc span      9028 days (24.72 yr)  
   first obs. used      1996-06-21  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4458  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:11:26  

Additional Information
 Earth MOID = 1.95329 au 
 Jupiter MOID = 1.92451 au 
 T_jup = 3.141 
[ 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 12.51   n/a E2021B10  
diameter diameter 21.999 km 0.278 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.034   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22754 Olympus           Discovered 1998 Nov. 26 by J. Broughton at Reedy Creek.
Mount Olympus is the highest point in Greece. The cloud-veiled summit, and the heavens above, were believed by the ancients to be the dwelling place of the gods.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2018-05-29Last Updated: 2018-09-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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