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3766 Junepatterson (1983 BF)
Classification: Outer Main-belt Asteroid          SPK-ID: 2003766
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1041382602158038 3.0388e-08  
a 3.247464017369778 1.74e-08 au
q 2.909278764487464 9.9057e-08 au
i 1.488370619406803 3.4629e-06 deg
node 128.9888143364855 0.00016033 deg
peri 2.72334553689641 0.00016174 deg
M 169.3890479504808 2.0233e-05 deg
tp 2458194.732090466815
(2018-Mar-17.23209047)
0.00012118 TDB
period 2137.543435144616
5.85
1.7179e-05
4.703e-08
d
yr
n .1684176302951449 1.3535e-09 deg/d
Q 3.585649270252092 1.9212e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2564  
   data-arc span      38501 days (105.41 yr)  
   first obs. used      1915-03-20  
   last obs. used      2020-08-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43246  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:31:34  

Additional Information
 Earth MOID = 1.92373 au 
 Jupiter MOID = 1.45005 au 
 T_jup = 3.173 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456777.5 (2014-Apr-30.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1063237815683806 2.9646e-08  
q 2.891395562269135 9.6628e-08 au
tp 2456052.621431349867
(2012-May-05.12143135)
0.00011986 TDB
node 129.1208433187303 0.00016167 deg
peri 359.3638616932117 0.00016298 deg
i 1.482332788412573 3.4499e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2564  
   data-arc span      38501 days (105.41 yr)  
   first obs. used      1915-03-20  
   last obs. used      2020-08-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43246  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:31:34  

Additional Information
 Jupiter MOID = 1.45005 au 
 T_jup = 3.173 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.788612219864539E-16 -2.831527821067881E-15 7.719121063195615E-13 1.208075727989331E-15 1.351134700980496E-13 -8.508415491311975E-17
q -2.831527821067881E-15 9.336942662507594E-15 -2.849943620264439E-12 -5.716905904857256E-15 -4.850230531896182E-13 2.780806677647249E-16
tp 7.719121063195615E-13 -2.849943620264439E-12 1.436673116052355E-8 -1.109990505599765E-11 2.506059262437974E-9 -4.492541388006486E-13
node 1.208075727989331E-15 -5.716905904857256E-15 -1.109990505599765E-11 2.613697985111494E-8 -2.613014984481074E-8 1.182795858064625E-10
peri 1.351134700980496E-13 -4.850230531896182E-13 2.506059262437974E-9 -2.613014984481074E-8 2.656397322306824E-8 -1.183225377037012E-10
i -8.508415491311975E-17 2.780806677647249E-16 -4.492541388006486E-13 1.182795858064625E-10 -1.183225377037012E-10 1.190171085983644E-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 12.03   n/a MPCxxxxx  
diameter diameter 24.849 km 0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 11.27 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:
[Chang, C.-H.; Lin, H.-W.; Ip, W.-H.; Chen, W.-P.; et al. (2019) Ap. J. Supp. Ser. 241, A6.]
geometric albedo albedo 0.037   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3766 Junepatterson (1983 BF)          Discovered 1983-Jan-16 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1983 BF = 1961 GA = 1966 CC = 1976 YG7 = 1981 TB3 = 1981 VA3 = A915 FC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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