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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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 
[ 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 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 ]
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