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610 Valeska (A906 SN)
Classification: Main-belt Asteroid          SPK-ID: 2000610
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2516514787489658 1.1136e-08  
a 3.094096387263502 1.0124e-08 au
q 2.315462456016808 3.1121e-08 au
i 12.59985603232225 6.8876e-07 deg
node 20.08535843636533 1.7456e-06 deg
peri 1.499752964339544 7.1526e-06 deg
M 25.68129970525177 4.2388e-06 deg
tp 2459058.687770988160
(2020-Jul-28.18777099)
2.3422e-05 TDB
period 1987.921290207226
5.44
9.7569e-06
2.671e-08
d
yr
n .1810936890577155 8.8882e-10 deg/d
Q 3.872730318510195 1.2672e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2981  
   data-arc span      41785 days (114.40 yr)  
   first obs. used      1906-10-09  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39436  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:10:21  

Additional Information
 Earth MOID = 1.31721 au 
 Jupiter MOID = 1.59293 au 
 T_jup = 3.138 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.52   n/a E2021B10  
diameter diameter 19.153 km 0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 4.9047 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pilcher, F. (2010) Minor Planet Bull. 37, 45-46.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.074   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

610 Valeska (A906 SN)          Discovered 1906-Sep-26 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A906 SN = 1933 SG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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