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	2.84956
e	0.30134
i / sin(i)	4.8215 / 0.08405
q	1.99087
Q	3.70825
ω	3.3769
Node	6.3019
m	54.8526
n	0.2049
Epoch	2460200.5

n_obs	4063
n_opp	56
Years observed	1902-2023
rms	0.54

Best values

	Value	Standard error
Parent

a_p	2.850
e_p	0.258
sin(i_p)	0.081

	Value	Standard error
G	0.150
H	9.900
Mass
D	39.54	0.254
pV	0.124	0.0093
Rotational Period	4.620

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.8503	0.2583	0.0811	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Oct-2022

Diameter data

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

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

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.15			MPC-2023-12-94	MPC-2023-12-94	Phot

H data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
9.90			MPC-2023-12-04	MPC-2023-12-04	Phot

Period data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
4.62			Behrend	LCDB	Lightcurve
4.62			Behrend	LCDB	Lightcurve
4.62			Harris	1983Icar...54...59H	Lightcurve
4.62			Behrend	LCDB	Lightcurve
4.62			Hanus	2016A&A...586A.108H	Model
4.62			Martikainen	2021A&A...649A..98M	Model
4.62			Warner	2009MPBu...36..109W	Lightcurve
4.64			Behrend	LCDB	Lightcurve