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14402 (1991 DB)
Classification: Amor [NEO]          SPK-ID: 2014402
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 98 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4017335307639988 2.6085e-08  
a 1.714934363122137 9.4533e-10 au
q 1.025987726396572 4.4761e-08 au
i 11.4165421827673 5.1597e-06 deg
node 158.2239151797479 1.2092e-05 deg
peri 51.38845390576392 1.4766e-05 deg
M 343.4196861549354 4.6794e-06 deg
tp 2459038.279823706115
(2020-Jul-07.77982371)
1.0683e-05 TDB
period 820.2942755664249
2.25
6.7826e-07
1.857e-09
d
yr
n .4388668929225611 3.6288e-10 deg/d
Q 2.403880999847703 1.3251e-09 au
  Orbit Determination Parameters
   # obs. used (total)      668  
   data-arc span      10575 days (28.95 yr)  
   first obs. used      1991-02-13  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46615  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 05:45:26  

Additional Information
 Earth MOID = .102735 au 
 Jupiter MOID = 2.5952 au 
 T_jup = 4.065 
[ 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 18.7   n/a MPO435836  
diameter diameter 0.6 km n/a Delbo et al. (2003). Icarus, v. 166, pp. 116-130  
rotation period rot_per 2.261 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2000) http://www.asu.cas.cz/~ppravec/neo.htm]
[Koehn, B.W.; Bowell, E.L.G.; Skiff, B.A.; Sanborn, J.J.; et al. (2014) Minor Planet Bull. 41, 286-300.]
[Hasegawa, S.; Kuroda, D.; Kitazato, K.; Kasuga, T.; et al. (2018) Pub. Astron. Soc. Japan 70, A114.]
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.; Pravec, P.; Koehn, B.W. (2019). Minor Planet Bull. 46-4, in press.]
geometric albedo albedo 0.14   n/a Delbo et al. (2003). Icarus, v. 166, pp. 116-130  
SMASSII spectral type spec_B C   n/a Binzel et al. (2004) Icarus 170, 259-294  

14402 (1991 DB)          Discovered 1991-Feb-18 by Helin, E. F. at Palomar
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

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