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48644 (1995 UG7)
Classification: Main-belt Asteroid          SPK-ID: 2048644
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1281034422461073 4.093e-08  
a 2.435514436218835 1.3066e-08 au
q 2.123516653299115 9.7016e-08 au
i 6.578863241183228 4.5226e-06 deg
node 34.58813615012161 3.5685e-05 deg
peri 277.7144321804673 4.1929e-05 deg
M 235.622619490515 2.6538e-05 deg
tp 2459480.148835358192
(2021-Sep-22.64883536)
0.00010479 TDB
period 1388.303725497588
3.80
1.1172e-05
3.059e-08
d
yr
n .2593092515623487 2.0867e-09 deg/d
Q 2.747512219138556 1.474e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1479  
   data-arc span      10453 days (28.62 yr)  
   first obs. used      1991-09-15  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4949  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:47:22  

Additional Information
 Earth MOID = 1.12189 au 
 Jupiter MOID = 2.5151 au 
 T_jup = 3.485 
[ 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 14.6   n/a MPO359066  
diameter diameter 2.612 km 0.122 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.28 h n/a LCDB (Rev. 2019-August); 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.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]
geometric albedo albedo 0.410   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48644 (1995 UG7)          Discovered 1995-Oct-27 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1995 UG7 = 1991 RC17 = 1999 XK120 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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