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95971 (2004 LU8)
Classification: Main-belt Asteroid          SPK-ID: 2095971
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1933059239920341 4.1959e-08  
a 2.426124343686049 1.0291e-08 au
q 1.95714013571025 1.0479e-07 au
i 3.589063138060371 4.7158e-06 deg
node 127.7508404160069 6.8538e-05 deg
peri 204.8803599967042 6.9488e-05 deg
M 57.27070285664807 1.194e-05 deg
tp 2458780.917349757072
(2019-Oct-24.41734976)
4.5335e-05 TDB
period 1380.282590303113
3.78
8.7826e-06
2.405e-08
d
yr
n .2608161564371707 1.6596e-09 deg/d
Q 2.895108551661848 1.2281e-08 au
  Orbit Determination Parameters
   # obs. used (total)      839  
   data-arc span      10070 days (27.57 yr)  
   first obs. used      1992-04-07  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56994  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 09:07:11  

Additional Information
 Earth MOID = .947339 au 
 Jupiter MOID = 2.46755 au 
 T_jup = 3.482 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456686.5 (2014-Jan-29.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1938127663042249 4.1835e-08  
q 1.955927835308038 1.0459e-07 au
tp 2456021.833898219786
(2012-Apr-04.33389822)
4.3511e-05 TDB
node 127.7989094068474 6.8577e-05 deg
peri 205.1341002372676 6.9526e-05 deg
i 3.588161786137798 4.7147e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      839  
   data-arc span      10070 days (27.57 yr)  
   first obs. used      1992-04-07  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56994  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 09:07:11  

Additional Information
 Jupiter MOID = 2.46755 au 
 T_jup = 3.482 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.750166478584564E-15 -4.363078542647175E-15 -1.910438968693176E-13 -3.129821033081774E-15 -3.808762170079324E-14 -7.366938443307657E-16
q -4.363078542647175E-15 1.093933415211336E-14 4.207810814707832E-13 7.761414479021547E-15 8.75610431979161E-14 1.962312316108004E-15
tp -1.910438968693176E-13 4.207810814707832E-13 1.893229996117532E-9 8.222018279174749E-13 5.139712364430697E-10 -2.294773975700261E-14
node -3.129821033081774E-15 7.761414479021547E-15 8.222018279174749E-13 4.702854972512242E-9 -4.692512425475539E-9 -5.857040527113445E-12
peri -3.808762170079324E-14 8.75610431979161E-14 5.139712364430697E-10 -4.692512425475539E-9 4.833804990267758E-9 5.841228610653209E-12
i -7.366938443307657E-16 1.962312316108004E-15 -2.294773975700261E-14 -5.857040527113445E-12 5.841228610653209E-12 2.222828021140064E-11

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 15.5   n/a MPO337964  
rotation period rot_per 6.448 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.; 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.]

95971 (2004 LU8)          Discovered 2004-Jun-12 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 2004 LU8 = 1992 GW8 = 2001 XU250 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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