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22345 (1992 SP2)
Classification: Main-belt Asteroid          SPK-ID: 2022345
[ 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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1766162735624214 2.4788e-08  
a 2.652184924652444 8.3836e-09 au
q 2.183765906461898 6.5266e-08 au
i 16.79221220169815 6.5043e-07 deg
node 197.1575749316973 3.0336e-06 deg
peri 170.8820571045394 3.9731e-06 deg
M 184.9902460356203 4.9562e-06 deg
tp 2459967.444405071418
(2023-Jan-22.94440507)		 2.4396e-05 TDB
period 1577.626272658529
4.32		 7.4804e-06
2.048e-08		 d
yr
n .2281909259747227 1.082e-09 deg/d
Q 3.120603942842991 9.8643e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1990  
   data-arc span      16536 days (45.27 yr)  
   first obs. used      1975-12-06  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45375  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:04:43  

Additional Information
 Earth MOID = 1.1837 au 
 Jupiter MOID = 2.35233 au 
 T_jup = 3.307 
[ 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 13.71   n/a E2021B10  
diameter diameter 5.761 km 1.385 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.201   0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

22345 (1992 SP2)          Discovered 1992-Sep-23 by Helin, E. F. at Palomar
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1992 SP2 = 1975 XU6 = 1999 GL49 = 2000 LG24 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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