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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 ]

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1096918859452856 3.5091e-08  
a 2.631721250010344 7.7013e-09 au
q 2.343042782814425 9.3069e-08 au
i 2.761711692873642 3.7235e-06 deg
node 13.44845473574237 7.8139e-05 deg
peri 247.5777113194665 7.9905e-05 deg
M 340.7117524462926 1.7211e-05 deg
tp 2459084.050399006348
(2020-Aug-22.55039901)
7.4605e-05 TDB
period 1559.402613354774
4.27
6.845e-06
1.874e-08
d
yr
n .2308576354284316 1.0134e-09 deg/d
Q 2.920399717206263 8.5461e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3215  
   data-arc span      42943 days (117.57 yr)  
   first obs. used      1902-11-21  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42332  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:17:23  

Additional Information
 Earth MOID = 1.32939 au 
 Jupiter MOID = 2.13684 au 
 T_jup = 3.389 
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Orbital Elements at Epoch 2456108.5 (2012-Jun-30.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1113282092758984 3.5337e-08  
q 2.338164794932841 9.3972e-08 au
tp 2455960.289139723781
(2012-Feb-02.78913972)
7.1816e-05 TDB
node 13.59828672818814 7.8213e-05 deg
peri 246.4855884579837 7.9893e-05 deg
i 2.761614712951301 3.7216e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3215  
   data-arc span      42943 days (117.57 yr)  
   first obs. used      1902-11-21  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42332  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:17:23  

Additional Information
 Jupiter MOID = 2.13684 au 
 T_jup = 3.389 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.248709558616109E-15 -3.311763597955187E-15 -9.343821901746894E-14 4.144858540193712E-15 6.877017647928904E-16 -6.509427210475037E-17
q -3.311763597955187E-15 8.830776023994499E-15 2.372713063915236E-13 -1.109943098698603E-14 -4.487799787635513E-15 2.636013295404165E-16
tp -9.343821901746894E-14 2.372713063915236E-13 5.157543661921124E-9 3.764478312737592E-12 1.186320746184557E-9 7.117386535839814E-13
node 4.144858540193712E-15 -1.109943098698603E-14 3.764478312737592E-12 6.117308685667216E-9 -6.108775138123004E-9 1.31625421453055E-11
peri 6.877017647928904E-16 -4.487799787635513E-15 1.186320746184557E-9 -6.108775138123004E-9 6.38289372201603E-9 -1.298865831365864E-11
i -6.509427210475037E-17 2.636013295404165E-16 7.117386535839814E-13 1.31625421453055E-11 -1.298865831365864E-11 1.38499529560983E-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 10.3   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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