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74288 (1998 SG134)
Classification: Main-belt Asteroid          SPK-ID: 2074288
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1292757471120561 4.2471e-08  
a 2.565956804501805 1.2036e-08 au
q 2.23424082154257 1.0876e-07 au
i 13.5342580696482 5.0048e-06 deg
node 19.47011831741651 1.6564e-05 deg
peri 1.312714051760019 2.5159e-05 deg
M 189.8026835952971 2.2659e-05 deg
tp 2460106.278182847028
(2023-Jun-10.77818285)
9.7771e-05 TDB
period 1501.31712545539
4.11
1.0564e-05
2.892e-08
d
yr
n .2397894448122027 1.6872e-09 deg/d
Q 2.89767278746104 1.3592e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1194  
   data-arc span      8300 days (22.72 yr)  
   first obs. used      1998-09-18  
   last obs. used      2021-06-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53559  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:54:26  

Additional Information
 Earth MOID = 1.23613 au 
 Jupiter MOID = 2.567 au 
 T_jup = 3.382 
[ 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 14.61   n/a MPO637054  
diameter diameter 3.154 km 0.570 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.234   0.104 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74288 (1998 SG134)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SG134 = 2000 EC119 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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