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24694 (1990 SZ2)
Classification: Main-belt Asteroid          SPK-ID: 2024694
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1839079489876368 1.3347e-08  
a 2.601760001360632 1.0199e-08 au
q 2.123275655752327 3.311e-08 au
i 14.48017293374168 3.6504e-07 deg
node 19.67245818584559 2.0132e-06 deg
peri 4.979244262090568 4.6058e-06 deg
M 63.25580974293518 4.0015e-06 deg
tp 2458931.162270518947
(2020-Mar-22.66227052)
1.6175e-05 TDB
period 1532.848650696598
4.20
9.0128e-06
2.468e-08
d
yr
n .2348568463275217 1.3809e-09 deg/d
Q 3.080244346968937 1.2074e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2415  
   data-arc span      15927 days (43.61 yr)  
   first obs. used      1977-08-10  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44875  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:36:42  

Additional Information
 Earth MOID = 1.12585 au 
 Jupiter MOID = 2.38447 au 
 T_jup = 3.346 
[ 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 13.37   n/a MPCxxxxx  
diameter diameter 5.857 km 0.725 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.296   0.103 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24694 (1990 SZ2)          Discovered 1990-Sep-18 by Holt, H. E. at Palomar
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 SZ2 = 1977 PH2 = 1990 SB29 = 1990 ST26 = 1990 UM12 = 2001 FV25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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