# The B-V and V-R Color Indices on the Surface of NEA (214088) 2004 JN13

## TL;DR

This study reports photometric measurements of NEA (214088) 2004 JN13, revealing homogeneous surface colors and estimating its size based on observed color indices and assumed albedo.

## Contribution

First detailed photometric analysis of NEA 2004 JN13's surface color indices and size estimation based on broad-band observations.

## Key findings

- B-V and V-R color indices are consistent across the surface.
- Estimated asteroid diameter is approximately 2.4 km.
- Surface appears relatively homogeneous in color.

## Abstract

This paper presents the results of photometric observations with standard broad-band Bessel filters B, V, and R on near-Earth asteroid (214088) 2004 JN13. The analysis shows that the B-V and V-R color indices are fairly constant on the asteroid surface with mean values $B-V = 0.83 \pm 0.02$ mag and $V-R = 0.48 \pm 0.03$ mag, indicative of a relatively homogeneous surface color distribution. For a typical albedo, assuming these colors indicate an S-type asteroid, a mean diameter of $2.4 \pm 0.5$ km is inferred.

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Source: https://tomesphere.com/paper/1904.04183