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15776 (1993 KO)
Classification: Main-belt Asteroid          SPK-ID: 2015776
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1188996752665671 2.8949e-08  
a 2.221898407734433 5.7771e-09 au
q 1.957715408579507 6.3795e-08 au
i 5.738406616902274 3.5737e-06 deg
node 198.5581588092686 2.629e-05 deg
peri 25.96592611498583 2.9695e-05 deg
M 70.45721595050705 1.3764e-05 deg
tp 2458763.740343529250
(2019-Oct-07.24034353)
4.6108e-05 TDB
period 1209.719617495852
3.31
4.718e-06
1.292e-08
d
yr
n .2975896189442711 1.1606e-09 deg/d
Q 2.48608140688936 6.464e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2762  
   data-arc span      12091 days (33.10 yr)  
   first obs. used      1987-09-23  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45404  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:31:25  

Additional Information
 Earth MOID = .95091 au 
 Jupiter MOID = 2.48881 au 
 T_jup = 3.633 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457271.5 (2015-Sep-06.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1188194566131143 2.8974e-08  
q 1.957684435492512 6.3862e-08 au
tp 2457553.652042301240
(2016-Jun-14.15204230)
4.5624e-05 TDB
node 198.6078643395755 2.6298e-05 deg
peri 25.7798635915386 2.9694e-05 deg
i 5.73737783816973 3.5735e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2762  
   data-arc span      12091 days (33.10 yr)  
   first obs. used      1987-09-23  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45404  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:31:25  

Additional Information
 Jupiter MOID = 2.48881 au 
 T_jup = 3.633 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.3947055549209E-16 -1.844601625085271E-15 -5.714967767363996E-13 -2.13087111531966E-15 -1.76745672167555E-13 5.453429749257822E-16
q -1.844601625085271E-15 4.078316685713292E-15 1.281995248505348E-12 4.661321143237441E-15 3.950559539593462E-13 -1.251333247605103E-15
tp -5.714967767363996E-13 1.281995248505348E-12 2.081534060157887E-9 -4.028440119860353E-12 6.343425036178598E-10 -8.429999353817409E-13
node -2.13087111531966E-15 4.661321143237441E-15 -4.028440119860353E-12 6.915607218458626E-10 -6.889378122294456E-10 -2.628323112132432E-11
peri -1.76745672167555E-13 3.950559539593462E-13 6.343425036178598E-10 -6.889378122294456E-10 8.817355627841595E-10 2.58997884974082E-11
i 5.453429749257822E-16 -1.251333247605103E-15 -8.429999353817409E-13 -2.628323112132432E-11 2.58997884974082E-11 1.276982816281455E-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 13.9   n/a MPO384890  
diameter diameter 4.498 km 0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.240   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15776 (1993 KO)          Discovered 1993-May-20 by Otomo, S. at Kiyosato
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 KO = 1987 SF23 = 1996 HH22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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