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48646 (1995 UL8)
Classification: Main-belt Asteroid          SPK-ID: 2048646
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .170558586534253 4.0798e-08  
a 2.358817070964238 8.5064e-09 au
q 1.95650056544771 9.4706e-08 au
i 2.825639897515396 4.7845e-06 deg
node 41.77669134796241 7.9152e-05 deg
peri 44.65417257869836 8.02e-05 deg
M 145.473465040166 1.2588e-05 deg
tp 2458065.786556861422
(2017-Nov-08.28655686)
4.5516e-05 TDB
period 1323.243654619341
3.62
7.1578e-06
1.96e-08
d
yr
n .2720587389505085 1.4717e-09 deg/d
Q 2.761133576480765 9.9572e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1121  
   data-arc span      8711 days (23.85 yr)  
   first obs. used      1995-10-15  
   last obs. used      2019-08-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53501  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:15:27  

Additional Information
 Earth MOID = .973905 au 
 Jupiter MOID = 2.44996 au 
 T_jup = 3.531 
[ 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 15.3   n/a MPO337646  
rotation period rot_per 11.383 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

48646 (1995 UL8)          Discovered 1995-Oct-27 by Kobayashi, T. at Oizumi
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 UL8 = 1997 GR22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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