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7484 Dogo Onsen (1994 WF4)
Classification: Main-belt Asteroid          SPK-ID: 2007484
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04003960775288351 3.2434e-08  
a 2.405246790165191 8.0038e-09 au
q 2.308941652138094 7.812e-08 au
i 7.053785013004271 3.4409e-06 deg
node 116.6298154121313 2.8129e-05 deg
peri 96.69387857419085 5.4602e-05 deg
M 216.7829538362214 4.8408e-05 deg
tp 2459742.538461505276
(2022-Jun-12.03846151)
0.00018424 TDB
period 1362.504334286789
3.73
6.8009e-06
1.862e-08
d
yr
n .26421934297071 1.3188e-09 deg/d
Q 2.501551928192287 8.3243e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1731  
   data-arc span      11081 days (30.34 yr)  
   first obs. used      1990-11-10  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46148  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 19:45:52  

Additional Information
 Earth MOID = 1.31273 au 
 Jupiter MOID = 2.48124 au 
 T_jup = 3.512 
[ 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 14.5   n/a MPO296197  
diameter diameter 4.028 km 0.216 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.237 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.207   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7484 Dogo Onsen (1994 WF4)          Discovered 1994-Nov-30 by Nakamura, A. at Kuma
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1994 WF4 = 1978 NT4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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