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48660 (1995 WA5)
Classification: Main-belt Asteroid          SPK-ID: 2048660
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2458160592790805 3.6474e-08  
a 2.335914827356895 9.1783e-09 au
q 1.76170944968445 8.4698e-08 au
i 1.111633319372638 4.9019e-06 deg
node 155.7636398106257 0.00021216 deg
peri 276.1580928289821 0.00021246 deg
M 198.6511478085004 1.1443e-05 deg
tp 2459184.949930650947
(2020-Dec-01.44993065)
4.3311e-05 TDB
period 1304.019038106461
3.57
7.6857e-06
2.104e-08
d
yr
n .2760695890780464 1.6271e-09 deg/d
Q 2.910120205029341 1.1435e-08 au
  Orbit Determination Parameters
   # obs. used (total)      779  
   data-arc span      9166 days (25.10 yr)  
   first obs. used      1993-03-19  
   last obs. used      2018-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56948  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 04:16:12  

Additional Information
 Earth MOID = .776597 au 
 Jupiter MOID = 2.3841 au 
 T_jup = 3.526 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO210688  
rotation period rot_per 2.791 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

48660 (1995 WA5)          Discovered 1995-Nov-24 by Kobayashi, T. at Oizumi
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1995 WA5 = 2000 DQ68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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