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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 50 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2141455806841071 4.0014e-08  
a 2.228707236767937 4.2799e-09 au
q 1.751439431375395 8.8756e-08 au
i 4.994919981239947 4.055e-06 deg
node 9.037294706131288 3.6793e-05 deg
peri 335.3825998611401 3.7464e-05 deg
M 143.5292386392772 7.7721e-06 deg
tp 2458715.975388390047
(2019-Aug-20.47538839)
2.5749e-05 TDB
period 1215.284508113111
3.33
3.5007e-06
9.584e-09
d
yr
n .2962269308928717 8.5329e-10 deg/d
Q 2.705975042160478 5.1964e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3047  
   data-arc span      41741 days (114.28 yr)  
   first obs. used      1906-10-11  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41474  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:46:27  

Additional Information
 Earth MOID = .743923 au 
 Jupiter MOID = 2.70785 au 
 T_jup = 3.608 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.69   n/a E2021B10  
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. 2020-October); 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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