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JPL Small-Body Database Browser
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615 Roswitha (A906 TF)
Classification: Main-belt Asteroid          SPK-ID: 2000615
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1096918840040624 3.5563e-08  
a 2.631721248156003 8.8522e-09 au
q 2.343042786272248 9.376e-08 au
i 2.761713311260814 3.8565e-06 deg
node 13.44840787921034 8.3755e-05 deg
peri 247.5777545154405 8.5824e-05 deg
M 340.7117572571569 2.0812e-05 deg
tp 2459084.050378078946
(2020-Aug-22.55037808)
9.031e-05 TDB
period 1559.402611706614
4.27
7.8679e-06
2.154e-08
d
yr
n .2308576356724291 1.1648e-09 deg/d
Q 2.920399710039757 9.8232e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2931  
   data-arc span      42808 days (117.20 yr)  
   first obs. used      1902-11-21  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44014  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:32:20  

Additional Information
 Earth MOID = 1.32939 au 
 Jupiter MOID = 2.13684 au 
 T_jup = 3.389 
[ 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 10.3   n/a MPO337247  
diameter diameter 48.626 km 0.277 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 4.422 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Shevchenko, V.G.; Chiorny, V.G.; Gaftonyuk, M.; Krugly, Y.N.; et al. (2008) Icarus 196, 601-611.]
geometric albedo albedo 0.020   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
B-V BV 0.708   0.028 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=3.38, mean=5.43, max.=8.10) deg.
U-B UB 0.315   0.054 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=3.38, mean=4.09, max.=4.80) deg.
Tholen spectral type spec_T CX   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

615 Roswitha (A906 TF)          Discovered 1906-Oct-11 by Kopff, A. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A906 TF = A902 WF = A902 YA = A908 BA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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