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22746 (1998 UC7)
Classification: Main-belt Asteroid          SPK-ID: 2022746
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 .02695981650580824 3.365e-08  
a 2.933361913769973 1.4434e-08 au
q 2.854279014829608 9.774e-08 au
i 11.35133563420583 3.6384e-06 deg
node 219.1481754435861 1.9778e-05 deg
peri 218.6238134319944 7.7083e-05 deg
M 113.7941926255551 7.3437e-05 deg
tp 2458620.451245947140
(2019-May-16.95124595)
0.00037483 TDB
period 1835.045766756771
5.02
1.3544e-05
3.708e-08
d
yr
n .1961803931660287 1.448e-09 deg/d
Q 3.012444812710338 1.4823e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1753  
   data-arc span      9069 days (24.83 yr)  
   first obs. used      1996-05-13  
   last obs. used      2021-03-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50921  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:11:14  

Additional Information
 Earth MOID = 1.8733 au 
 Jupiter MOID = 2.09134 au 
 T_jup = 3.246 
[ 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 13.88   n/a E2021B10  
diameter diameter 7.639 km 0.230 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.110   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22746 (1998 UC7)          Discovered 1998-Oct-22 by Korlevic, K. at Visnjan
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 UC7 = 2000 AA242 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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