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123775 (2001 BA7)
Classification: Main-belt Asteroid          SPK-ID: 2123775
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1051841873438982 5.2072e-08  
a 2.759083532317131 1.555e-08 au
q 2.468871573156421 1.4601e-07 au
i 4.267228531483615 4.1712e-06 deg
node 72.25635443062414 8.4213e-05 deg
peri 160.1661738084773 8.8254e-05 deg
M 337.3831435490112 2.7138e-05 deg
tp 2459105.666020716174
(2020-Sep-13.16602072)
0.00012629 TDB
period 1673.96240675027
4.58
1.4151e-05
3.874e-08
d
yr
n .2150585930414545 1.818e-09 deg/d
Q 3.049295491477841 1.7185e-08 au
  Orbit Determination Parameters
   # obs. used (total)      699  
   data-arc span      7072 days (19.36 yr)  
   first obs. used      2001-01-14  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55758  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:32:40  

Additional Information
 Earth MOID = 1.4583 au 
 Jupiter MOID = 1.94003 au 
 T_jup = 3.330 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457405.5 (2016-Jan-18.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1051993002538623 5.233e-08  
q 2.469064440361409 1.4684e-07 au
tp 2457428.024578390411
(2016-Feb-09.52457839)
0.00012443 TDB
node 72.26903949072009 8.4208e-05 deg
peri 159.5352665413544 8.8195e-05 deg
i 4.267391791645898 4.1716e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      699  
   data-arc span      7072 days (19.36 yr)  
   first obs. used      2001-01-14  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55758  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:32:40  

Additional Information
 Jupiter MOID = 1.94003 au 
 T_jup = 3.330 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.738451217888847E-15 -7.650335466389133E-15 -3.898615895553264E-12 -1.176767352459042E-14 -7.613811775180531E-13 -1.600506518755778E-15
q -7.650335466389133E-15 2.156272944563861E-14 1.079800166880226E-11 3.460960807142772E-14 2.102530452397066E-12 4.606090404429488E-15
tp -3.898615895553264E-12 1.079800166880226E-11 1.548240280695233E-8 -7.303744629499396E-12 3.32310642606767E-9 5.201034323461392E-12
node -1.176767352459042E-14 3.460960807142772E-14 -7.303744629499396E-12 7.090971009717628E-9 -7.073368093481305E-9 -1.524062085667212E-10
peri -7.613811775180531E-13 2.102530452397066E-12 3.32310642606767E-9 -7.073368093481305E-9 7.778291300652221E-9 1.530992324170647E-10
i -1.600506518755778E-15 4.606090404429488E-15 5.201034323461392E-12 -1.524062085667212E-10 1.530992324170647E-10 1.740206095270521E-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 15.4   n/a MPO338122  
diameter diameter 4.005 km 0.236 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.092   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123775 (2001 BA7)          Discovered 2001-Jan-19 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2001 BA7 = 2002 JG13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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