Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
74254 (1998 SA75)
Classification: Main-belt Asteroid          SPK-ID: 2074254
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1122326597276506 4.0288e-08  
a 2.695876709498565 1.487e-08 au
q 2.393311296093714 1.0979e-07 au
i 4.932728903055238 4.7651e-06 deg
node 89.19646227705665 4.8643e-05 deg
peri 291.8918477826959 5.2584e-05 deg
M 320.9044843126617 2.1085e-05 deg
tp 2459176.079137880169
(2020-Nov-22.57913788)
9.5219e-05 TDB
period 1616.770837411722
4.43
1.3377e-05
3.662e-08
d
yr
n .2226660647691553 1.8423e-09 deg/d
Q 2.998442122903416 1.6539e-08 au
  Orbit Determination Parameters
   # obs. used (total)      757  
   data-arc span      7986 days (21.86 yr)  
   first obs. used      1998-09-18  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59959  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:11:36  

Additional Information
 Earth MOID = 1.40165 au 
 Jupiter MOID = 2.45646 au 
 T_jup = 3.355 
[ 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 15.1   n/a MPO474629  
diameter diameter 4.156 km 0.454 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.039   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74254 (1998 SA75)          Discovered 1998-Sep-21 by Elst, E. W. at La Silla
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SA75 = 2000 DD82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-20 05:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin