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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
27072 Aggarwal (1998 SS117)
Classification: Main-belt Asteroid          SPK-ID: 2027072
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .156527562194868 2.7108e-08  
a 2.332639583209523 7.7284e-09 au
q 1.967517195770483 6.188e-08 au
i 2.648606331480094 3.6886e-06 deg
node 303.6773078490282 7.1169e-05 deg
peri 307.015835027261 7.2285e-05 deg
M 29.94808715907043 1.2658e-05 deg
tp 2458492.247863614920
(2019-Jan-08.74786361)
4.574e-05 TDB
period 1301.277403516088
3.56
6.467e-06
1.771e-08
d
yr
n .2766512344157133 1.3749e-09 deg/d
Q 2.697761970648563 8.9381e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1743  
   data-arc span      11774 days (32.24 yr)  
   first obs. used      1987-09-02  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50175  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 01:00:12  

Additional Information
 Earth MOID = .954423 au 
 Jupiter MOID = 2.34404 au 
 T_jup = 3.552 
[ 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 14.6   n/a MPO347725  
diameter diameter 7.596 km 0.122 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.121 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.053   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27072 Aggarwal           Discovered 1998 Sept. 26 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Amol Aggarwal (b. 1993) was a finalist in the 2011 Intel Science Talent Search, a science competition for high-school seniors, for his mathematical sciences project. He attends the Saratoga High School, Saratoga, California, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20110319/MPCPages.arcLast Updated: 2011-03-23

[ show close-approach data ]
Alternate Designations
 1998 SS117 = 1987 RD4 = 1991 TD5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-11 00:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin