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15491 (1999 CW85)
Classification: Main-belt Asteroid          SPK-ID: 2015491
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2169890879028841 8.6807e-09  
a 2.204630003820556 5.3733e-09 au
q 1.726249350128201 2.0417e-08 au
i 5.188039747042754 8.8059e-07 deg
node 326.9191981347241 6.6206e-06 deg
peri 351.3679233595384 8.0042e-06 deg
M 108.8644314184589 5.0793e-06 deg
tp 2459034.935731222027
(2020-Jul-04.43573122)
1.7043e-05 TDB
period 1195.644298730982
3.27
4.3712e-06
1.197e-08
d
yr
n .3010928922440331 1.1008e-09 deg/d
Q 2.68301065751291 6.5393e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2893  
   data-arc span      22798 days (62.42 yr)  
   first obs. used      1958-11-11  
   last obs. used      2021-04-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44705  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:27:46  

Additional Information
 Earth MOID = .712681 au 
 Jupiter MOID = 2.62338 au 
 T_jup = 3.626 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.73   n/a E2021B10  
diameter diameter 4.924 km 0.111 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.902 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2017) http://www.asu.cas.cz/~ppravec/neo.htm]
[Pravec, P.; Wolf, M.; Sarounova, L. (2020) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.441   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

15491 (1999 CW85)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 CW85 = 1958 VE = 1984 QS1 = 1984 SC3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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