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16462 (1990 DZ1)
Classification: Main-belt Asteroid          SPK-ID: 2016462
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08982155205561229 6.3784e-08  
a 2.464818953968936 1.8564e-08 AU
q 2.243425089987355 1.6281e-07 AU
i 5.938391268725379 6.7565e-06 deg
node 315.7099701591216 5.5803e-05 deg
peri 180.2528842609483 6.5563e-05 deg
M 157.650409463036 3.3881e-05 deg
tp 2456381.531473255996
(2013-Mar-30.03147326)
0.00013282 JED
period 1413.435400433182
3.87
1.5968e-05
4.372e-08
d
yr
n .2546985874909239 2.8774e-09 deg/d
Q 2.686212817950516 2.0231e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      927  
   data-arc span      10761 days (29.46 yr)  
   first obs. used      1986-01-11  
   last obs. used      2015-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54545  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:18:40  

Additional Information
 Earth MOID = 1.25758 AU 
 T_jup = 3.475 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8 mag n/a MPO263494  
rotation period rot_per 62.3657 h n/a LCDB (Rev. 2015-July); 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., in press.]

16462 (1990 DZ1)          Discovered 1990-Feb-24 by Debehogne, H. at La Silla
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 DZ1 = 1986 AJ1 = 1994 CA8 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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