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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 ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 54 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2142698275840135 3.9906e-08  
a 2.228497614977149 4.1005e-09 au
q 1.75099781524461 8.8514e-08 au
i 4.995390591990976 3.9652e-06 deg
node 9.034063511902218 3.5153e-05 deg
peri 335.4042879179203 3.576e-05 deg
M 201.564111934523 7.643e-06 deg
tp 2459931.270878206126
(2022-Dec-17.77087821)
2.6466e-05 TDB
period 1215.113056169719
3.33
3.3537e-06
9.182e-09
d
yr
n .2962687283887743 8.1771e-10 deg/d
Q 2.705997414709688 4.9791e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3402  
   data-arc span      41901 days (114.72 yr)  
   first obs. used      1906-10-11  
   last obs. used      2021-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40502  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 11:02:49  

Additional Information
 Earth MOID = .744469 au 
 Jupiter MOID = 2.70789 au 
 T_jup = 3.609 
[ 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 10.71   n/a MPO614063  
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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