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295961 (2008 YJ19)
Classification: Main-belt Asteroid          SPK-ID: 2295961
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2331932931377463 8.7488e-08  
a 2.575858791166705 4.8884e-08 au
q 1.975185796996727 2.059e-07 au
i 12.88031454534756 2.5253e-05 deg
node 112.2673919759259 3.4572e-05 deg
peri 100.0749683577807 7.6188e-05 deg
M 109.2390786229631 5.8441e-05 deg
tp 2458142.297946260164
(2018-Jan-23.79794626)
0.00024452 TDB
period 1510.015842550929
4.13
4.2985e-05
1.177e-07
d
yr
n .2384080947070315 6.7867e-09 deg/d
Q 3.176531785336683 6.0283e-08 au
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      6322 days (17.31 yr)  
   first obs. used      2001-03-16  
   last obs. used      2018-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56991  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 10:42:08  

Additional Information
 Earth MOID = 1.01663 au 
 Jupiter MOID = 1.95976 au 
 T_jup = 3.354 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455655.5 (2011-Apr-04.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2329591918950793 8.7856e-08  
q 1.977656492227606 2.0551e-07 au
tp 2455114.742221686635
(2009-Oct-10.24222169)
0.00025386 TDB
node 112.6867146405203 3.4675e-05 deg
peri 98.89811832436311 7.5827e-05 deg
i 12.84960763806158 2.5209e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      6322 days (17.31 yr)  
   first obs. used      2001-03-16  
   last obs. used      2018-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56991  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 10:42:08  

Additional Information
 Jupiter MOID = 1.95976 au 
 T_jup = 3.354 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.718685545670576E-15 -1.788084622824274E-14 6.826518610458486E-14 -1.730991340664967E-14 2.894710523471482E-14 -3.481732268500299E-14
q -1.788084622824274E-14 4.223254331964025E-14 -1.724263659743885E-12 5.29262200366193E-14 -3.693985677517039E-13 8.530514793470049E-14
tp 6.826518610458486E-14 -1.724263659743885E-12 6.444455459836466E-8 -2.983150180597982E-10 1.710408540009921E-8 -1.880694844102709E-12
node -1.730991340664967E-14 5.29262200366193E-14 -2.983150180597982E-10 1.202321797770067E-9 -1.249067080503223E-9 7.122964569117555E-11
peri 2.894710523471482E-14 -3.693985677517039E-13 1.710408540009921E-8 -1.249067080503223E-9 5.749780976344618E-9 -7.950544244454989E-11
i -3.481732268500299E-14 8.530514793470049E-14 -1.880694844102709E-12 7.122964569117555E-11 -7.950544244454989E-11 6.355013875423069E-10

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 16.8   n/a MPO251817  
diameter diameter 1.996 km 0.269 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.084   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

295961 (2008 YJ19)          Discovered 2008-Dec-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 YJ19 = 2001 FT188 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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