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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .182715731562024 4.7409e-08  
a 2.325790746986809 7.4702e-09 au
q 1.900832189190928 1.1223e-07 au
i 6.400177190847095 5.2546e-06 deg
node 358.9709248582153 3.7427e-05 deg
peri 1.658114722202659 3.9801e-05 deg
M 48.07560724553176 1.3246e-05 deg
tp 2458827.487826449051
(2019-Dec-09.98782645)
4.7304e-05 TDB
period 1295.550613853773
3.55
6.2417e-06
1.709e-08
d
yr
n .2778741302349712 1.3387e-09 deg/d
Q 2.750749304782691 8.8351e-09 au
  Orbit Determination Parameters
   # obs. used (total)      724  
   data-arc span      8064 days (22.08 yr)  
   first obs. used      1998-09-17  
   last obs. used      2020-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56005  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:01:27  

Additional Information
 Earth MOID = .89767 au 
 Jupiter MOID = 2.70005 au 
 T_jup = 3.544 
[ 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 2020-Nov-24 19:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin