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16632 (1993 OH4)
Classification: Main-belt Asteroid          SPK-ID: 2016632
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07210246202790942 2.7372e-08  
a 2.297628665819164 7.0952e-09 au
q 2.131963982187702 6.2977e-08 au
i 1.218337586271853 3.0986e-06 deg
node 68.88662520754896 0.00019518 deg
peri 179.2368116951741 0.00019746 deg
M 53.15320474632875 3.0114e-05 deg
tp 2459208.678570352866
(2020-Dec-25.17857035)
0.00010631 TDB
period 1272.091024344835
3.48
5.8924e-06
1.613e-08
d
yr
n .2829986165380034 1.3109e-09 deg/d
Q 2.463293349450626 7.6067e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1005  
   data-arc span      10254 days (28.07 yr)  
   first obs. used      1993-07-13  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56848  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 21:44:15  

Additional Information
 Earth MOID = 1.11821 au 
 Jupiter MOID = 2.53598 au 
 T_jup = 3.590 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457399.5 (2016-Jan-12.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07239000002358176 2.7329e-08  
q 2.13031188149813 6.2872e-08 au
tp 2457935.953257019036
(2017-Jul-01.45325702)
0.00010536 TDB
node 68.8856157424873 0.00019516 deg
peri 178.9690876987747 0.00019743 deg
i 1.218796881747036 3.0985e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1005  
   data-arc span      10254 days (28.07 yr)  
   first obs. used      1993-07-13  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56848  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 21:44:15  

Additional Information
 Jupiter MOID = 2.53598 au 
 T_jup = 3.590 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.468486407041052E-16 -1.708640722706133E-15 1.058483544280118E-13 5.657920460139752E-16 1.749539842046394E-14 -5.402148515645894E-17
q -1.708640722706133E-15 3.952883350772883E-15 -1.905944036888178E-13 -9.408661547236085E-16 -3.127320260980291E-14 1.324327036948765E-16
tp 1.058483544280118E-13 -1.905944036888178E-13 1.110082074997386E-8 2.6622970052377E-11 3.164986925283174E-9 -7.157702035129921E-13
node 5.657920460139752E-16 -9.408661547236085E-16 2.6622970052377E-11 3.808581065325046E-8 -3.806951149289929E-8 5.58373522903321E-11
peri 1.749539842046394E-14 -3.127320260980291E-14 3.164986925283174E-9 -3.806951149289929E-8 3.897825426824975E-8 -5.602868154548179E-11
i -5.402148515645894E-17 1.324327036948765E-16 -7.157702035129921E-13 5.58373522903321E-11 -5.602868154548179E-11 9.600941179806164E-12

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.93   n/a E2021B10  

16632 (1993 OH4)          Discovered 1993-Jul-20 by Elst, E. W. at La Silla
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 OH4 = 1996 FC18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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