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24674 (1989 SZ4)
Classification: Main-belt Asteroid          SPK-ID: 2024674
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07109578918964668 3.4146e-08  
a 2.183062103526317 5.6471e-09 au
q 2.027855580426104 7.4919e-08 au
i 3.704557240013618 4.3463e-06 deg
node 55.13791825509063 4.6491e-05 deg
peri 23.19093179489444 5.5249e-05 deg
M 190.2951985622938 2.9134e-05 deg
tp 2459755.878664742918
(2022-Jun-25.37866474)
9.5828e-05 TDB
period 1178.141794537508
3.23
4.5714e-06
1.252e-08
d
yr
n .3055659358399401 1.1856e-09 deg/d
Q 2.338268626626531 6.0486e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1861  
   data-arc span      11231 days (30.75 yr)  
   first obs. used      1989-09-26  
   last obs. used      2020-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45374  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:46:44  

Additional Information
 Earth MOID = 1.04325 au 
 Jupiter MOID = 2.79562 au 
 T_jup = 3.673 
[ 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 14.86   n/a E2021B10  
diameter diameter 2.378 km 0.186 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.452   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24674 (1989 SZ4)          Discovered 1989-Sep-26 by Elst, E. W. at La Silla
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1989 SZ4 = 1997 AJ5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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