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118999 (2000 YJ51)
Classification: Outer Main-belt Asteroid          SPK-ID: 2118999
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08847699091586723 4.2319e-08  
a 3.235451787916412 2.7211e-08 au
q 2.949188749468206 1.3116e-07 au
i 3.808924634335579 4.7731e-06 deg
node 279.9075408758409 7.3018e-05 deg
peri 190.4488485728291 7.9054e-05 deg
M 159.6294433095813 3.1742e-05 deg
tp 2458257.934967318262
(2018-May-19.43496732)
0.000182 TDB
period 2125.694387766237
5.82
2.6816e-05
7.342e-08
d
yr
n .1693564239863765 2.1365e-09 deg/d
Q 3.521714826364619 2.9618e-08 au
  Orbit Determination Parameters
   # obs. used (total)      570  
   data-arc span      8018 days (21.95 yr)  
   first obs. used      1998-08-01  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60216  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:59:52  

Additional Information
 Earth MOID = 1.96586 au 
 Jupiter MOID = 1.58619 au 
 T_jup = 3.176 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457022.5 (2014-Dec-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09094981576441785 4.2382e-08  
q 2.938736923749118 1.3217e-07 au
tp 2456132.372830830614
(2012-Jul-23.87283083)
0.00016747 TDB
node 279.936802886521 7.3019e-05 deg
peri 189.8518916901841 7.8714e-05 deg
i 3.81027024192277 4.7744e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      570  
   data-arc span      8018 days (21.95 yr)  
   first obs. used      1998-08-01  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60216  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:59:52  

Additional Information
 Jupiter MOID = 1.58619 au 
 T_jup = 3.176 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.796208232360912E-15 -5.507631333464383E-15 5.531565527403322E-13 1.880029283270666E-15 1.196686270691638E-13 -1.284594128828028E-16
q -5.507631333464383E-15 1.746990761242552E-14 -6.554283491897633E-13 4.481096156529653E-15 -1.570458618472508E-13 7.476761045356697E-16
tp 5.531565527403322E-13 -6.554283491897633E-13 2.804721282443447E-8 2.426588755240848E-11 4.956809304251318E-9 5.500184290621696E-13
node 1.880029283270666E-15 4.481096156529653E-15 2.426588755240848E-11 5.33170502013899E-9 -5.314288044105256E-9 3.560829391543119E-12
peri 1.196686270691638E-13 -1.570458618472508E-13 4.956809304251318E-9 -5.314288044105256E-9 6.195833942518019E-9 -3.429872542713343E-12
i -1.284594128828028E-16 7.476761045356697E-16 5.500184290621696E-13 3.560829391543119E-12 -3.429872542713343E-12 2.279448424029427E-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 14.8   n/a MPO469232  
diameter diameter 6.860 km 0.254 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118999 (2000 YJ51)          Discovered 2000-Dec-30 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2000 YJ51 = 1999 TJ212 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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