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 ]  
101277 (1998 SS115)
Classification: Main-belt Asteroid          SPK-ID: 2101277
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1828069607287112 4.2415e-08  
a 2.326143207137777 7.169e-09 au
q 1.900908037221183 9.9989e-08 au
i 6.400251242352599 4.8712e-06 deg
node 358.9651561656323 3.6341e-05 deg
peri 1.70162073346764 3.8543e-05 deg
M 103.596104260932 1.3246e-05 deg
tp 2458827.598592617757
(2019-Dec-10.09859262)
4.6797e-05 TDB
period 1295.845124827089
3.55
5.9905e-06
1.64e-08
d
yr
n .2778109768696601 1.2843e-09 deg/d
Q 2.751378377054371 8.4795e-09 au
  Orbit Determination Parameters
   # obs. used (total)      846  
   data-arc span      8211 days (22.48 yr)  
   first obs. used      1998-09-17  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54726  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:03  

Additional Information
 Earth MOID = .896123 au 
 Jupiter MOID = 2.70034 au 
 T_jup = 3.543 
[ 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 15.6   n/a MPO395893  
diameter diameter 3.974 km 0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101277 (1998 SS115)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-22 12:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin