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JPL Small-Body Database Browser
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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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .214056746616797 4.0816e-08  
a 2.228495325165988 4.5873e-09 au
q 1.751470866010216 9.0701e-08 au
i 4.994891936670259 4.4812e-06 deg
node 9.0517762285474 3.9455e-05 deg
peri 335.2899613434279 4.0265e-05 deg
M 325.8541833529246 8.2625e-06 deg
tp 2458715.752676868263
(2019-Aug-20.25267687)
2.8e-05 TDB
period 1215.11118335278
3.33
3.7519e-06
1.027e-08
d
yr
n .2962691850194932 9.1479e-10 deg/d
Q 2.705519784321761 5.5692e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2508  
   data-arc span      41290 days (113.05 yr)  
   first obs. used      1906-10-11  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44691  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 01:53:20  

Additional Information
 Earth MOID = .744835 au 
 Jupiter MOID = 2.7041 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 10.83   n/a PDS3 (MPC 17258)  
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-January); Warner et al., 2009 Published Reference List:
[Pilcher, F. (2017) Minor Planet Bull. 44, 112-114.]
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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