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101826 (1999 JY23)
Classification: Main-belt Asteroid          SPK-ID: 2101826
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06822601393684982 3.8382e-08  
a 2.802449460313368 1.3496e-08 au
q 2.611249504376711 1.1159e-07 au
i 12.82989527938057 5.1518e-06 deg
node 36.28914020758545 1.6194e-05 deg
peri 98.59675173416908 4.1161e-05 deg
M 252.9273323238697 3.7247e-05 deg
tp 2459510.160801693335
(2021-Oct-22.66080169)
0.00017772 TDB
period 1713.582864719297
4.69
1.2378e-05
3.389e-08
d
yr
n .210086134386604 1.5176e-09 deg/d
Q 2.993649416250025 1.4417e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1218  
   data-arc span      7895 days (21.62 yr)  
   first obs. used      1999-04-06  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52261  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:29:40  

Additional Information
 Earth MOID = 1.6611 au 
 Jupiter MOID = 2.06977 au 
 T_jup = 3.285 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457363.5 (2015-Dec-07.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .065971674252661 3.856e-08  
q 2.618732034349514 1.1189e-07 au
tp 2457796.391129362638
(2017-Feb-11.89112936)
0.00018315 TDB
node 36.32264809597656 1.6176e-05 deg
peri 98.73042638013355 4.2361e-05 deg
i 12.83629366135538 5.1534e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1218  
   data-arc span      7895 days (21.62 yr)  
   first obs. used      1999-04-06  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52261  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:29:40  

Additional Information
 Jupiter MOID = 2.06977 au 
 T_jup = 3.285 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.486864426640078E-15 -4.288521467286202E-15 1.011722448295836E-12 1.053561327349649E-15 2.883466492321973E-13 -2.384081862061111E-15
q -4.288521467286202E-15 1.251846368791676E-14 -2.733714819931357E-12 -3.21531519716132E-15 -8.029238148638133E-13 6.961715133386955E-15
tp 1.011722448295836E-12 -2.733714819931357E-12 3.354346181944901E-8 6.673082082742583E-12 7.171252046740339E-9 4.327214763289861E-13
node 1.053561327349649E-15 -3.21531519716132E-15 6.673082082742583E-12 2.616648848699468E-10 -2.532971618318282E-10 -4.884990444601737E-12
peri 2.883466492321973E-13 -8.029238148638133E-13 7.171252046740339E-9 -2.532971618318282E-10 1.79448981262859E-9 4.676508113060323E-12
i -2.384081862061111E-15 6.961715133386955E-15 4.327214763289861E-13 -4.884990444601737E-12 4.676508113060323E-12 2.655795327509736E-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 14.4   n/a MPO502728  
diameter diameter 4.550 km 0.871 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.235   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101826 (1999 JY23)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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