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100283 (1995 BU8)
Classification: Main-belt Asteroid          SPK-ID: 2100283
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1183091350764833 3.5819e-08  
a 3.008910735716827 1.6915e-08 au
q 2.652929109051824 1.1077e-07 au
i 1.960402080977785 3.8737e-06 deg
node 53.35165208118777 0.00011817 deg
peri 65.24019199013577 0.00011974 deg
M 354.1217894600042 1.8017e-05 deg
tp 2459231.628272456311
(2021-Jan-17.12827246)
9.5443e-05 TDB
period 1906.392771749883
5.22
1.6076e-05
4.401e-08
d
yr
n .1888383156580871 1.5924e-09 deg/d
Q 3.36489236238183 1.8916e-08 au
  Orbit Determination Parameters
   # obs. used (total)      823  
   data-arc span      9489 days (25.98 yr)  
   first obs. used      1995-01-29  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50363  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:24:55  

Additional Information
 Earth MOID = 1.66972 au 
 Jupiter MOID = 1.71227 au 
 T_jup = 3.239 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457441.5 (2016-Feb-23.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1168812805853443 3.637e-08  
q 2.658153557241671 1.1255e-07 au
tp 2457331.565654911381
(2015-Nov-05.06565491)
9.5574e-05 TDB
node 53.3701005810784 0.00011822 deg
peri 66.38421458725961 0.00011979 deg
i 1.96097602574916 3.8698e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      823  
   data-arc span      9489 days (25.98 yr)  
   first obs. used      1995-01-29  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50363  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:24:55  

Additional Information
 Jupiter MOID = 1.71227 au 
 T_jup = 3.239 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.322779673329058E-15 -4.057327271892382E-15 8.788158074036963E-13 3.053388826129095E-15 1.985588402430416E-13 -7.183640767000774E-16
q -4.057327271892382E-15 1.266654265294406E-14 -2.774437201007054E-12 -1.042480465373596E-14 -6.227759579674139E-13 2.335392436329363E-15
tp 8.788158074036963E-13 -2.774437201007054E-12 9.134335443219823E-9 7.285674661469251E-12 1.869693213129182E-9 -1.105079988963711E-12
node 3.053388826129095E-15 -1.042480465373596E-14 7.285674661469251E-12 1.397504013381594E-8 -1.396528213789779E-8 -2.945749977874901E-11
peri 1.985588402430416E-13 -6.227759579674139E-13 1.869693213129182E-9 -1.396528213789779E-8 1.434960684197575E-8 2.920947055474731E-11
i -7.183640767000774E-16 2.335392436329363E-15 -1.105079988963711E-12 -2.945749977874901E-11 2.920947055474731E-11 1.49750908379965E-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 15.25   n/a E2021B55  
diameter diameter 4.896 km 0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100283 (1995 BU8)          Discovered 1995-Jan-29 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1995 BU8 = 1998 SO44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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