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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1101842969940621 2.1867e-08  
a 2.633080828981966 7.0423e-09 au
q 2.342956668912045 5.8428e-08 au
i 2.761499446339723 1.0953e-06 deg
node 13.42578209085273 2.4689e-05 deg
peri 247.5584511589188 3.0761e-05 deg
M 26.89390008194343 7.9878e-06 deg
tp 2459083.914108034111
(2020-Aug-22.41410803)
3.4686e-05 TDB
period 1560.611178737115
4.27
6.2609e-06
1.714e-08
d
yr
n .2306788551209282 9.2544e-10 deg/d
Q 2.923204989051886 7.8182e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3416  
   data-arc span      43065 days (117.91 yr)  
   first obs. used      1902-11-21  
   last obs. used      2020-10-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .414  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:11:12  

Additional Information
 Earth MOID = 1.3276 au 
 Jupiter MOID = 2.13309 au 
 T_jup = 3.389 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456299.5 (2013-Jan-07.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1111961183341608 2.1949e-08  
q 2.338073619366138 5.8636e-08 au
tp 2455960.063040571097
(2012-Feb-02.56304057)
3.7669e-05 TDB
node 13.59506400961117 2.4717e-05 deg
peri 246.4279238737739 3.063e-05 deg
i 2.761737642123839 1.0965e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3416  
   data-arc span      43065 days (117.91 yr)  
   first obs. used      1902-11-21  
   last obs. used      2020-10-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .414  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:11:12  

Additional Information
 Jupiter MOID = 2.13309 au 
 T_jup = 3.389 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.81770809055357E-16 -1.279724293998803E-15 2.839919198467326E-13 1.618397831119854E-13 -7.62773728795563E-14 6.747781278183798E-15
q -1.279724293998803E-15 3.438134583826001E-15 -8.528845029300027E-13 -4.089585316780199E-13 1.641225197240077E-13 -1.696696240740575E-14
tp 2.839919198467326E-13 -8.528845029300027E-13 1.418935361237247E-9 -4.193373836209024E-10 7.868982789960583E-10 -2.474952526657217E-11
node 1.618397831119854E-13 -4.089585316780199E-13 -4.193373836209024E-10 6.109093096739507E-10 -7.254652031224286E-10 1.955994967488974E-11
peri -7.62773728795563E-14 1.641225197240077E-13 7.868982789960583E-10 -7.254652031224286E-10 9.381861053019037E-10 -2.617306119284406E-11
i 6.747781278183798E-15 -1.696696240740575E-14 -2.474952526657217E-11 1.955994967488974E-11 -2.617306119284406E-11 1.202202948858154E-12

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.28   n/a E2021B10  
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. 2020-October); 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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