🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.5 AU - 0.52 AU

Year: 136 Days

Day: 43.6 Hours

Environment

Temp: 235 °C

Axial Tilt: 1.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 53,109,307 km

• M1: 201,808 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.44 AU - 0.58 AU

Year: 136 Days

Day: 14.8 Hours

Environment

Temp: 155 °C

Axial Tilt: 24.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.15 AU - 1.19 AU

Year: 474 Days

Day: 19 Hours

Environment

Temp: -15 °C

Axial Tilt: 56.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 53,109,307 km

• M1: 503,995 km (0.116 R)
• M2: 857,645 km (0.102 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.18 AU - 1.28 AU

Year: 511 Days

Day: 22.2 Hours

Environment

Temp: -20 °C

Axial Tilt: 6.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.26 AU - 3.32 AU

Year: 2236 Days

Day: 28.1 Hours

Environment

Temp: -122 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.96 AU - 4.48 AU

Year: 2689 Days

Day: 41.9 Hours

Environment

Temp: -117 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,109,307 km

• M1: 59,839 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 385.9

Radius: 6.3

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 10.16 AU - 13.8 AU

Year: 15539 Days

Day: 23 Hours

Environment

Temp: -176 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 53,109,307 km

• M1: 90,357 km (0.1 R)
• M2: 348,264 km (0.055 R)
• M3: 1,087,726 km (0.064 R)
• M4: 1,583,045 km (0.11 R)
• M5: 1,848,880 km (0.071 R)
• M6: 2,090,032 km (0.075 R)
• M7: 2,294,083 km (0.11 R)
• M8: 2,635,914 km (0.119 R)
• M9: 4,910,849 km (0.043 R)
• M10: 5,726,008 km (0.092 R)
• M11: 5,979,876 km (0.1 R)
• M12: 6,279,221 km (0.071 R)
• M13: 6,707,221 km (0.03 R)
• M14: 8,153,533 km (0.056 R)
• M15: 10,586,742 km (0.062 R)
• M16: 11,763,629 km (0.112 R)
• M17: 12,293,803 km (0.103 R)
• M18: 12,534,506 km (0.076 R)
• M19: 13,087,570 km (0.085 R)
• M20: 13,980,071 km (0.071 R)
• M21: 15,255,392 km (0.106 R)
• M22: 17,348,416 km (0.103 R)
• M23: 19,543,915 km (0.113 R)
• M24: 21,049,318 km (0.095 R)
• M25: 22,450,751 km (0.051 R)
• M26: 26,324,139 km (0.063 R)
• M27: 26,523,702 km (0.109 R)
• M28: 27,742,476 km (0.116 R)
• M29: 32,761,036 km (0.103 R)
• M30: 33,107,954 km (0.118 R)
• M31: 33,926,852 km (0.03 R)
• M32: 36,712,514 km (0.078 R)
• M33: 39,778,074 km (0.107 R)
• M34: 41,778,197 km (0.099 R)
• M35: 44,831,639 km (0.102 R)
• M36: 46,558,298 km (0.098 R)
• M37: 49,230,565 km (0.116 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 193 - 12,400 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit