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 ]  
2660 Wasserman (1982 FG)
Classification: Main-belt Asteroid          SPK-ID: 2002660
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 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1685915904301216 1.6375e-08  
a 2.618500667447545 9.1148e-09 au
q 2.177043475380229 4.6693e-08 au
i 12.33832200572383 6.9992e-07 deg
node 203.8417971558912 1.9701e-06 deg
peri 86.96893209006943 5.9652e-06 deg
M 318.8518792551384 8.4781e-06 deg
tp 2459377.398831852626
(2021-Jun-11.89883185)
3.6939e-05 TDB
period 1547.666778315702
4.24
8.081e-06
2.212e-08
d
yr
n .232608210658745 1.2145e-09 deg/d
Q 3.059957859514862 1.0651e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2778  
   data-arc span      35223 days (96.44 yr)  
   first obs. used      1924-09-29  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42965  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:05:09  

Additional Information
 Earth MOID = 1.20198 au 
 Jupiter MOID = 2.20878 au 
 T_jup = 3.353 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456920.5 (2014-Sep-20.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1694942066025915 1.65e-08  
q 2.174882374475894 4.7088e-08 au
tp 2456277.496864077441
(2012-Dec-15.99686408)
3.074e-05 TDB
node 204.0008537876085 1.975e-06 deg
peri 86.22953815964067 5.8672e-06 deg
i 12.32185373062568 6.9913e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2778  
   data-arc span      35223 days (96.44 yr)  
   first obs. used      1924-09-29  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42965  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:05:09  

Additional Information
 Jupiter MOID = 2.20878 au 
 T_jup = 3.353 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.722568237949502E-16 -7.687552578622756E-16 -3.879483605159346E-13 -4.515773365069419E-15 -6.361305800143628E-14 -2.55359796487972E-16
q -7.687552578622756E-16 2.21728280243949E-15 1.045271401359857E-12 1.179747757939567E-14 1.770195861991329E-13 5.123251785407589E-16
tp -3.879483605159346E-13 1.045271401359857E-12 9.449539815759888E-10 1.245916278563432E-12 1.674585342495484E-10 -1.423804426087052E-12
node -4.515773365069419E-15 1.179747757939567E-14 1.245916278563432E-12 3.900681876180356E-12 -3.572142103772942E-12 -6.837132085540283E-13
peri -6.361305800143628E-14 1.770195861991329E-13 1.674585342495484E-10 -3.572142103772942E-12 3.442393097637863E-11 3.899302262883946E-13
i -2.55359796487972E-16 5.123251785407589E-16 -1.423804426087052E-12 -6.837132085540283E-13 3.899302262883946E-13 4.887805950794546E-13

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 12.09   n/a E2021B10  
diameter diameter 9.232 km 0.187 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 527.991 h n/a LCDB (Rev. 2020-October); 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.300   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2660 Wasserman (1982 FG)          Discovered 1982-Mar-21 by Bowell, E. at Flagstaff (AM)
on plates taken by B. A. Skiff at the Anderson Mesa station of the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1982 FG = 1974 KG = 1975 VZ2 = 1979 SC2 = A924 SA 
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-20 08:52 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin