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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 67 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3003350013508579 3.998e-08  
a 2.851460864545969 1.0251e-08 au
q 1.995067361940637 1.1325e-07 au
i 4.819987649330558 4.7112e-06 deg
node 6.314228715360617 4.3486e-05 deg
peri 3.56770324638398 4.3937e-05 deg
M 86.92559044801875 9.6649e-06 deg
tp 2458175.836731026766
(2018-Feb-26.33673103)
4.5509e-05 TDB
period 1758.731531674616
4.82
9.4839e-06
2.597e-08
d
yr
n .2046929810016073 1.1038e-09 deg/d
Q 3.707854367151302 1.333e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2592  
   data-arc span      42757 days (117.06 yr)  
   first obs. used      1902-11-04  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38663  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:08:08  

Additional Information
 Earth MOID = .9939 au 
 Jupiter MOID = 1.7553 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 10.02   n/a PDS3 (MPC 17259)  
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-January); 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.]
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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