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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 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .168591549317308 2.9753e-08  
a 2.618500658866492 9.7195e-09 au
q 2.177043575899798 7.8346e-08 au
i 12.33831599757048 4.619e-06 deg
node 203.8417930035006 1.594e-05 deg
peri 86.96892169280733 2.1745e-05 deg
M 318.8518980147297 1.5978e-05 deg
tp 2459377.398750334179
(2021-Jun-11.89875033)
6.9161e-05 TDB
period 1547.666770707945
4.24
8.6171e-06
2.359e-08
d
yr
n .2326082118021608 1.2951e-09 deg/d
Q 3.059957741833186 1.1358e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2734  
   data-arc span      35004 days (95.84 yr)  
   first obs. used      1924-09-29  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43004  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:55:23  

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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2066-Dec-21 20:55 < 00:01 Iris 0.030968912386274 0.0309675278990989 0.0309702975111891 7.04267737513118 7.04267734877337 2476006.371868740 0.726169352847712 298.611013966803 44.6553826861622 -79.7259929821187 102101.53810114 T 41 CATAB v2.0f-lin.ifort 2020-Aug-24 22:55:33 2020-Aug-24 22:55

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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