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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 99 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .401808771294882 2.6082e-08  
a 1.715002419968249 9.3712e-10 au
q 1.025899404833057 4.4774e-08 au
i 11.41751262861662 5.1601e-06 deg
node 158.2205818419504 1.209e-05 deg
peri 51.39236950042947 1.4762e-05 deg
M 71.18437793134738 4.724e-06 deg
tp 2459038.289961992355
(2020-Jul-07.78996199)
1.0679e-05 TDB
period 820.3431058858317
2.25
6.7238e-07
1.841e-09
d
yr
n .438840769693872 3.5969e-10 deg/d
Q 2.40410543510344 1.3137e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46643  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:28:08  

Additional Information
 Earth MOID = .102378 au 
 Jupiter MOID = 2.59387 au 
 T_jup = 4.065 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456616.5 (2013-Nov-20.0) TDB
Reference: JPL 99 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4019138069982379 2.6134e-08  
q 1.026016642400482 4.4714e-08 au
tp 2456576.580451144055
(2013-Oct-11.08045114)
9.3027e-06 TDB
node 158.2591930860821 1.2088e-05 deg
peri 51.32939859998974 1.4763e-05 deg
i 11.41738919916027 5.1601e-06 deg
  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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46643  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:28:08  

Additional Information
 Jupiter MOID = 2.59387 au 
 T_jup = 4.065 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.829807942397348E-16 -1.168429828744069E-15 2.614166933998699E-14 5.916326585197134E-14 -1.599387541410329E-14 -1.650925164486668E-14
q -1.168429828744069E-15 1.99931960435571E-15 -4.162448560383264E-14 -1.016202716061922E-13 2.89806931031638E-14 2.844304896288148E-14
tp 2.614166933998699E-14 -4.162448560383264E-14 8.654027528075555E-11 -3.623936177382623E-12 7.455679584896535E-11 -3.10952296404901E-12
node 5.916326585197134E-14 -1.016202716061922E-13 -3.623936177382623E-12 1.461131048331938E-10 -1.475505187899504E-10 1.128350033626667E-11
peri -1.599387541410329E-14 2.89806931031638E-14 7.455679584896535E-11 -1.475505187899504E-10 2.179417427569021E-10 -1.126701619640199E-11
i -1.650925164486668E-14 2.844304896288148E-14 -3.10952296404901E-12 1.128350033626667E-11 -1.126701619640199E-11 2.662669426818764E-11

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. 2020-October); 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, 458-503.]
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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