Iva

00497, 1902 VB, 1902VB, 1947 BN, 1947BN, 1950 TD3, 1950TD3, J02V00B, J47B00N, J50T03D

All data for this body: [vot]

MPC data
Name (number) Iva (497)
a 2.85021
e 0.30080
i / sin(i) 4.8202 / 0.08403
q 1.99286
Q 3.70755
ω 3.3804
Node 6.3078
m 177.8132
n 0.2048
Epoch 2460800.5
nobs 5125
nopp 57
Years observed 1902-2025
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.850
ep 0.258
sin(ip) 0.081
G 0.150
H 9.820
Mass
D 39.54 0.254
pV 0.124 0.0093
Value
Rotational Period 4.600
Period quality 3
Spectral Class Xk
Spectral Class Score 21.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8503 0.2583 0.0811 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
23.76 5.250 5.250 Masiero 2012ApJ...759L...8M NEATM
36.45 1.120 1.120 Usui 2011PASJ...63.1117U NEATM
37.20 0.600 0.600 Hanus 2018Icar..309..297H RADIOMETRY_TPM
37.26 3.730 3.730 Ali-Lagoa 2018A&A...612A..85A NEATM
37.60 0.700 0.700 Hanus 2018Icar..309..297H RADIOMETRY_TPM
40.00 4.881 4.881 Masiero 2011ApJ...741...68M NEATM
40.93 0.320 0.320 Masiero 2014ApJ...791..121M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.120 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.128 0.0483 0.0483 Masiero 2011ApJ...741...68M NEATM
0.150 0.0300 0.0300 Ali-Lagoa 2018A&A...612A..85A NEATM
0.307 0.1490 0.1490 Masiero 2012ApJ...759L...8M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.82 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.62 2 Synodic Behrend LCDB Lightcurve
4.62 2+ Synodic Behrend LCDB Lightcurve
4.62 3 Synodic Harris 1983Icar...54...59H Lightcurve
4.6201 3 Synodic Behrend LCDB Lightcurve
4.62085 2 Sidereal Hanus 2016A&A...586A.108H Model
4.62085 2 Sidereal Martikainen 2021A&A...649A..98M Model
4.621 3 Synodic Warner 2009MPBu...36..109W Lightcurve
4.639 2+ Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.47 Bus VIS Carvano 2010A&A...510A..43C PHOT
C 0.714 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.3789 0.1480 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D X 0.830000 0.120000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
M Tholen VIS Clark 1995Icar..113..387C PHOT
M 0.980000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
M K 0.860000 0.110000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
P C 0.540000 0.450000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
X 0.990000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
X C 0.2231 0.1480 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X C 0.4417 0.1480 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Xk Bus-DeMeo VISNIR Neeley 2014Icar..238...37N SPEC