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46053 Davidpatterson (2001 DB77)
Classification: Main-belt Asteroid          SPK-ID: 2046053
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08720523407633697 6.2549e-08  
a 2.135745148601353 7.9551e-09 au
q 1.949496992990171 1.3712e-07 au
i 3.826044859449009 3.7526e-06 deg
node 337.9223775268494 8.0145e-05 deg
peri 76.95823673953215 8.2836e-05 deg
M 227.6287123248696 2.1805e-05 deg
tp 2459619.692846161451
(2022-Feb-09.19284616)
7.0154e-05 TDB
period 1140.046510603483
3.12
6.3696e-06
1.744e-08
d
yr
n .3157765903861537 1.7643e-09 deg/d
Q 2.321993304212536 8.6488e-09 au
  Orbit Determination Parameters
   # obs. used (total)      803  
   data-arc span      8650 days (23.68 yr)  
   first obs. used      1996-10-11  
   last obs. used      2020-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52147  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:46:06  

Additional Information
 Earth MOID = .963998 au 
 Jupiter MOID = 2.90692 au 
 T_jup = 3.710 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457304.5 (2015-Oct-09.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08686590856023027 6.2412e-08  
q 1.949969778871068 1.3666e-07 au
tp 2457339.893130597005
(2015-Nov-13.39313060)
6.5571e-05 TDB
node 337.975766759305 8.0076e-05 deg
peri 76.89855994883312 8.2811e-05 deg
i 3.82814991013117 3.7541e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      803  
   data-arc span      8650 days (23.68 yr)  
   first obs. used      1996-10-11  
   last obs. used      2020-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52147  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:46:06  

Additional Information
 Jupiter MOID = 2.90692 au 
 T_jup = 3.710 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.895307965536142E-15 -8.519570790877685E-15 -1.541805907233136E-12 -4.045110074658509E-14 -5.428909206755723E-13 -2.346817216700778E-15
q -8.519570790877685E-15 1.867533457203372E-14 3.439691304766177E-12 8.941054672336283E-14 1.20685897482508E-12 5.263980631528513E-15
tp -1.541805907233136E-12 3.439691304766177E-12 4.299504982499302E-9 4.869718169824267E-12 1.415975706364995E-9 1.348312989848199E-13
node -4.045110074658509E-14 8.941054672336283E-14 4.869718169824267E-12 6.412229724203909E-9 -6.395181123930335E-9 1.240861217802494E-10
peri -5.428909206755723E-13 1.20685897482508E-12 1.415975706364995E-9 -6.395181123930335E-9 6.857729868978204E-9 -1.237421999620056E-10
i -2.346817216700778E-15 5.263980631528513E-15 1.348312989848199E-13 1.240861217802494E-10 -1.237421999620056E-10 1.409291805929081E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.39   n/a E2021B10  
diameter diameter 1.503 km 0.205 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.0 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Gary, B.L.; Healy, D. (2006) Minor Planet Bull. 33, 16-18.]
geometric albedo albedo 0.196   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46053 Davidpatterson           Discovered 2001 Feb. 21 by D. Healy at Junk Bond Observatory.
A founding member of southeast Arizona's Huachuca Astronomy Club, David Patterson has, through his generosity, established an observatory, named in his honor, at the campus of the University of Arizona South in Sierra Vista.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040504/MPCPages.arcLast Updated: 2004-05-11

Alternate Designations
 2001 DB77 = 1998 FQ141 = 1999 RX61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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