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422 Berolina (A896 TA)
Classification: Main-belt Asteroid          SPK-ID: 2000422
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2140775460079722 4.051e-08  
a 2.228576549388474 4.3687e-09 au
q 1.751488350604475 8.9961e-08 au
i 4.99472378236699 4.4088e-06 deg
node 9.044505910513623 3.8034e-05 deg
peri 335.3511222929421 3.885e-05 deg
M 84.31958467924142 8.0107e-06 deg
tp 2458715.879800172455
(2019-Aug-20.37980017)
2.6817e-05 TDB
period 1215.17761653707
3.33
3.5732e-06
9.783e-09
d
yr
n .2962529881235825 8.7112e-10 deg/d
Q 2.705664748172473 5.3039e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2721  
   data-arc span      41390 days (113.32 yr)  
   first obs. used      1906-10-11  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43277  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:27:09  

Additional Information
 Earth MOID = .745768 au 
 Jupiter MOID = 2.7076 au 
 T_jup = 3.609 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456107.5 (2012-Jun-29.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2136832287925378 4.0471e-08  
q 1.752482941308311 8.9818e-08 au
tp 2456285.760709150730
(2012-Dec-24.26070915)
2.618e-05 TDB
node 9.179925305926874 3.801e-05 deg
peri 335.2157484056966 3.8836e-05 deg
i 4.996709927615822 4.4092e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2721  
   data-arc span      41390 days (113.32 yr)  
   first obs. used      1906-10-11  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43277  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:27:09  

Additional Information
 Jupiter MOID = 2.7076 au 
 T_jup = 3.609 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.637882785611495E-15 -3.63235317692535E-15 2.64769403986874E-13 -3.69065153982063E-15 6.318678310423784E-14 -1.217706227516749E-15
q -3.63235317692535E-15 8.067268808178033E-15 -5.914920279285998E-13 7.725535680045902E-15 -1.421016048242796E-13 2.725381626550723E-15
tp 2.64769403986874E-13 -5.914920279285998E-13 6.853679241713622E-10 -3.669705243118004E-12 2.164020771018308E-10 -9.531933937164415E-13
node -3.69065153982063E-15 7.725535680045902E-15 -3.669705243118004E-12 1.444789903510823E-9 -1.439463246546391E-9 -1.907247727541792E-12
peri 6.318678310423784E-14 -1.421016048242796E-13 2.164020771018308E-10 -1.439463246546391E-9 1.508248541320152E-9 1.615997532917915E-12
i -1.217706227516749E-15 2.725381626550723E-15 -9.531933937164415E-13 -1.907247727541792E-12 1.615997532917915E-12 1.944086323517145E-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 10.6   n/a MPO502157  
diameter diameter 10.714 km 0.922 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 25.978 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pilcher, F. (2017) Minor Planet Bull. 44, 112-114.]
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.J.; Pravec, P.; Koehn, B.W. (2019) Minor Plantet Bull. 46, 238-265.]
geometric albedo albedo 0.716   0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.715   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=3.77, mean=3.83, max.=3.89) deg.
U-B UB 0.292   0.046 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=3.77, mean=3.83, max.=3.89) deg.
Tholen spectral type spec_T DX   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

422 Berolina (A896 TA)          Discovered 1896-Oct-08 by Witt, G. at Berlin
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A896 TA = 1948 GB = 1949 QM2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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