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23598 (1995 WL13)
Classification: Main-belt Asteroid          SPK-ID: 2023598
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07898476057057503 3.2482e-08  
a 2.465697666328619 9.2399e-09 au
q 2.270945126514228 7.9276e-08 au
i 4.155465737323244 4.0429e-06 deg
node 134.7599258611106 5.0419e-05 deg
peri 275.3965501592854 5.8204e-05 deg
M 126.0567335686508 2.756e-05 deg
tp 2458505.310175844906
(2019-Jan-21.81017584)
0.00010855 TDB
period 1414.191306160955
3.87
7.9492e-06
2.176e-08
d
yr
n .2545624474083897 1.4309e-09 deg/d
Q 2.660450206143011 9.9697e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1940  
   data-arc span      17198 days (47.09 yr)  
   first obs. used      1973-01-02  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52135  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 23:59:41  

Additional Information
 Earth MOID = 1.28578 au 
 Jupiter MOID = 2.59306 au 
 T_jup = 3.479 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456648.5 (2013-Dec-22.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07769458866714815 3.2394e-08  
q 2.2748902374625 7.8966e-08 au
tp 2457089.080608791100
(2015-Mar-07.58060879)
0.00011217 TDB
node 134.8013928139539 5.0378e-05 deg
peri 275.0424663826645 5.8457e-05 deg
i 4.156154294080101 4.0444e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1940  
   data-arc span      17198 days (47.09 yr)  
   first obs. used      1973-01-02  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52135  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 23:59:41  

Additional Information
 Jupiter MOID = 2.59306 au 
 T_jup = 3.479 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.049341964501742E-15 -2.543480756836386E-15 -1.216246938629252E-12 9.846092869835622E-15 -3.326685673370961E-13 -4.22022620534552E-16
q -2.543480756836386E-15 6.235600392555458E-15 2.821512700137342E-12 -2.312346515830742E-14 7.663567560895138E-13 1.148781765607738E-15
tp -1.216246938629252E-12 2.821512700137342E-12 1.258211626716764E-8 -2.962424907405444E-11 3.338133139066548E-9 2.856589633265851E-12
node 9.846092869835622E-15 -2.312346515830742E-14 -2.962424907405444E-11 2.53792301310181E-9 -2.538669007779728E-9 5.579295729527554E-11
peri -3.326685673370961E-13 7.663567560895138E-13 3.338133139066548E-9 -2.538669007779728E-9 3.417201491802535E-9 -5.490546991470759E-11
i -4.22022620534552E-16 1.148781765607738E-15 2.856589633265851E-12 5.579295729527554E-11 -5.490546991470759E-11 1.635729283066183E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPO452501  
diameter diameter 4.003 km 0.156 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 10.577 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.252   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

23598 (1995 WL13)          Discovered 1995-Nov-16 by Spacewatch at Kitt Peak
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1995 WL13 = 1973 AV2 = 1989 EA10 = 1998 MF33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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