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123689 (2000 YL99)
Classification: Main-belt Asteroid          SPK-ID: 2123689
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02315413217565146 5.3887e-08  
a 3.120487063536037 3.6016e-08 au
q 3.048234893614513 1.8541e-07 au
i 8.184380928533544 5.3158e-06 deg
node 297.5012552572958 3.9327e-05 deg
peri 112.5784397177526 0.00016225 deg
M 256.2339916673726 0.0001612 deg
tp 2459580.842820989421
(2022-Jan-01.34282099)
0.00090793 TDB
period 2013.40900467595
5.51
3.4858e-05
9.544e-08
d
yr
n .1788012267571737 3.0956e-09 deg/d
Q 3.192739233457561 3.685e-08 au
  Orbit Determination Parameters
   # obs. used (total)      520  
   data-arc span      7596 days (20.80 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50469  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:21:22  

Additional Information
 Earth MOID = 2.07163 au 
 Jupiter MOID = 1.9449 au 
 T_jup = 3.200 
[ 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 14.5   n/a MPO475083  
diameter diameter 7.442 km 0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.051   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

123689 (2000 YL99)          Discovered 2000-Dec-30 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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