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JPL Small-Body Database Browser
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497 Iva (A902 VB)
Classification: Main-belt Asteroid          SPK-ID: 2000497
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 69 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3006917326839712 3.9957e-08  
a 2.850433917434279 1.0241e-08 au
q 1.993332003899806 1.1313e-07 au
i 4.821429023979237 4.7033e-06 deg
node 6.30538935367659 4.3226e-05 deg
peri 3.526201342700197 4.3676e-05 deg
M 168.8734698612343 9.993e-06 deg
tp 2458175.937046455337
(2018-Feb-26.43704646)
4.5431e-05 TDB
period 1757.781512513471
4.81
9.4728e-06
2.594e-08
d
yr
n .2048036103674979 1.1037e-09 deg/d
Q 3.707535830968752 1.332e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2647  
   data-arc span      42796 days (117.17 yr)  
   first obs. used      1902-11-04  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37999  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 17:29:57  

Additional Information
 Earth MOID = .992981 au 
 Jupiter MOID = 1.75897 au 
 T_jup = 3.232 
[ 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 9.9   n/a MPO502157  
magnitude slope G 0.11   n/a PDS3 (MPC 17259) Fit
diameter diameter 40.932 km 0.321 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 4.620 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Harris, A.W.; Young, J.W. (1983) Icarus 54, 59-109.]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D. (2009) Minor Planet Bull. 36, 109-116.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
[Behrend, R. (2019) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.119   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.696   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=1.11, mean=3.93, max.=6.75) deg.
U-B UB 0.245   0.035 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=1.11, mean=3.93, max.=6.75) deg.
Tholen spectral type spec_T M   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 6 color indices; used ground-based radiometric albedo

497 Iva (A902 VB)          Discovered 1902-Nov-04 by Dugan, R. S. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A902 VB = 1947 BN = 1950 TD3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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