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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457380.5 (2015-Dec-24.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1283613668246908 4.2581e-08  
q 2.236785477709502 1.0908e-07 au
tp 2457098.148903704246
(2015-Mar-16.64890370)
8.5435e-05 TDB
node 19.51497963356319 1.6564e-05 deg
peri .3357410052630435 2.5243e-05 deg
i 13.53547167581956 5.0055e-06 deg
  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
 Jupiter MOID = 2.567 au 
 T_jup = 3.382 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.813166434127159E-15 -4.623067912784136E-15 -4.501862711146158E-13 2.178234753228946E-15 -1.1695072640564E-13 -1.580936272490917E-15
q -4.623067912784136E-15 1.189917979180063E-14 1.644035719866458E-12 -4.319190591022352E-15 4.096652269398899E-13 4.012652377543407E-15
tp -4.501862711146158E-13 1.644035719866458E-12 7.299066368748869E-9 1.493974314256966E-11 1.640060310314908E-9 -1.410547459075447E-12
node 2.178234753228946E-15 -4.319190591022352E-15 1.493974314256966E-11 2.743510877080713E-10 -2.632644459263952E-10 -1.583706214829307E-11
peri -1.1695072640564E-13 4.096652269398899E-13 1.640060310314908E-9 -2.632644459263952E-10 6.37219650150528E-10 1.513859537983991E-11
i -1.580936272490917E-15 4.012652377543407E-15 -1.410547459075447E-12 -1.583706214829307E-11 1.513859537983991E-11 2.505476622545011E-11

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-20 23:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin