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22684 (1998 QO50)
Classification: Main-belt Asteroid          SPK-ID: 2022684
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07241495164448469 3.3527e-08  
a 2.975262295236133 1.4707e-08 au
q 2.759808819996949 9.4874e-08 au
i 9.987647995150912 3.1941e-06 deg
node 144.9838117892654 1.9808e-05 deg
peri 202.98142162 3.0664e-05 deg
M 121.8489013633444 2.4065e-05 deg
tp 2458566.038269012791
(2019-Mar-23.53826901)
0.00012483 TDB
period 1874.503755058937
5.13
1.3899e-05
3.805e-08
d
yr
n .1920508289345524 1.424e-09 deg/d
Q 3.190715770475316 1.5772e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2240  
   data-arc span      8661 days (23.71 yr)  
   first obs. used      1997-06-27  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48276  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:09:20  

Additional Information
 Earth MOID = 1.75297 au 
 Jupiter MOID = 2.18346 au 
 T_jup = 3.234 
[ 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 13.52   n/a E2021B10  
diameter diameter 6.809 km 0.154 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.126   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22684 (1998 QO50)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QO50 = 1997 MO9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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