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30004 Mikewilliams (2000 BP33)
Classification: Main-belt Asteroid          SPK-ID: 2030004
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1679093134405174 3.6454e-08  
a 2.382781916318048 7.1968e-09 au
q 1.982690640670604 8.6595e-08 au
i 3.45586447204958 3.1484e-06 deg
node 115.2730098641574 8.6051e-05 deg
peri 148.3373616920339 8.7114e-05 deg
M 182.4244871587442 1.416e-05 deg
tp 2460059.182415907534
(2023-Apr-24.68241591)
5.3483e-05 TDB
period 1343.460401209591
3.68
6.0865e-06
1.666e-08
d
yr
n .2679647272639166 1.214e-09 deg/d
Q 2.782873191965491 8.4052e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1079  
   data-arc span      18168 days (49.74 yr)  
   first obs. used      1971-04-16  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56554  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:30:32  

Additional Information
 Earth MOID = .967947 au 
 Jupiter MOID = 2.29004 au 
 T_jup = 3.516 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457538.5 (2016-May-30.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1676745560698715 3.6442e-08  
q 1.983417760323624 8.6526e-08 au
tp 2457372.781935101887
(2015-Dec-16.28193510)
5.2221e-05 TDB
node 115.2896541186268 8.6099e-05 deg
peri 148.4594145595537 8.7171e-05 deg
i 3.454864668213488 3.1475e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1079  
   data-arc span      18168 days (49.74 yr)  
   first obs. used      1971-04-16  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56554  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:30:32  

Additional Information
 Jupiter MOID = 2.29004 au 
 T_jup = 3.516 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.328001027258541E-15 -3.145585606657952E-15 -9.712162088288299E-13 -1.082880468490871E-14 -2.356416893696013E-13 -9.710519239646604E-16
q -3.145585606657952E-15 7.486798570880114E-15 2.313339281202005E-12 2.627670225529355E-14 5.610417739335577E-13 2.327456624789092E-15
tp -9.712162088288299E-13 2.313339281202005E-12 2.727060899406933E-9 6.370667605316888E-12 7.455006332481524E-10 1.857757169014306E-12
node -1.082880468490871E-14 2.627670225529355E-14 6.370667605316888E-12 7.413046989208179E-9 -7.398246937294763E-9 -3.19832270125122E-11
peri -2.356416893696013E-13 5.610417739335577E-13 7.455006332481524E-10 -7.398246937294763E-9 7.598772889078127E-9 3.24280347960955E-11
i -9.710519239646604E-16 2.327456624789092E-15 1.857757169014306E-12 -3.19832270125122E-11 3.24280347960955E-11 9.906704899811508E-12

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 15.75   n/a E2021B10  

30004 Mikewilliams           Discovered 2000 Jan. 30 by the Catalina Sky Survey.
Mike Williams (b. 1952) was a lead engineer at the University of Arizona's Lunar and Planetary Laboratory. He was instrumental in the design, fabrication and testing of instruments and hardware for ground-based observatories and numerous NASA spacecraft missions to Mars, as well as the OSIRIS-REx asteroid sample return mission.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2015-01-05Last Updated: 2015-01-07

[ show close-approach data ]
Alternate Designations
 2000 BP33 = 1997 JA17 = 1997 LH12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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