🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.19 AU - 1.47 AU

Year: 591 Days

Day: 19.5 Hours

Environment

Temp: -46 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 101,224,603 km

• M1: 65,075 km (0.032 R)
• M2: 769,831 km (0.094 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.52 AU - 2.74 AU

Year: 1642 Days

Day: 30.5 Hours

Environment

Temp: -109 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 101,224,603 km

• M1: 243,545 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.08 AU - 3.82 AU

Year: 2467 Days

Day: 20.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 5.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 101,224,603 km

• M1: 352,602 km (0.055 R)
• M2: 2,828,148 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.4

Radius: 9.1

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 5.88 AU - 6.64 AU

Year: 6030 Days

Day: 9.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 101,224,603 km

• M1: 113,246 km (0.11 R)
• M2: 527,931 km (0.097 R)
• M3: 820,844 km (0.104 R)
• M4: 1,660,387 km (0.094 R)
• M5: 1,956,441 km (0.114 R)
• M6: 2,894,120 km (0.1 R)
• M7: 3,327,206 km (0.102 R)
• M8: 3,647,046 km (0.103 R)
• M9: 4,423,759 km (0.113 R)
• M10: 4,864,773 km (0.095 R)
• M11: 5,714,788 km (0.073 R)
• M12: 6,143,985 km (0.12 R)
• M13: 6,496,138 km (0.098 R)
• M14: 6,895,714 km (0.1 R)
• M15: 7,780,884 km (0.087 R)
• M16: 9,185,908 km (0.091 R)
• M17: 9,477,773 km (0.115 R)
• M18: 10,036,072 km (0.076 R)
• M19: 12,139,269 km (0.068 R)
• M20: 12,746,337 km (0.062 R)
• M21: 15,495,946 km (0.075 R)
• M22: 16,822,281 km (0.082 R)
• M23: 19,425,433 km (0.11 R)
• M24: 21,037,799 km (0.094 R)
• M25: 23,582,160 km (0.093 R)
• M26: 25,743,400 km (0.09 R)
• M27: 30,733,835 km (0.085 R)
• M28: 31,576,520 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 960.1

Radius: 7.1

Gravity: 19.05 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 13.31 AU - 19.79 AU

Year: 25922 Days

Day: 22.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 101,224,603 km

• M1: 88,263 km (0.103 R)
• M2: 436,527 km (0.114 R)
• M3: 793,018 km (0.085 R)
• M4: 2,429,469 km (0.097 R)
• M5: 2,986,123 km (0.107 R)
• M6: 4,313,954 km (0.114 R)
• M7: 7,581,321 km (0.05 R)
• M8: 8,762,396 km (0.111 R)
• M9: 21,716,076 km (0.025 R)
• M10: 28,769,915 km (0.054 R)
• M11: 31,748,707 km (0.087 R)
• M12: 47,714,540 km (0.1 R)
• M13: 76,301,646 km (0.115 R)
• M14: 78,585,407 km (0.095 R)
• M15: 82,492,155 km (0.081 R)
• M16: 84,897,390 km (0.088 R)
• M17: 89,567,237 km (0.089 R)
• M18: 90,127,631 km (0.112 R)
• M19: 97,923,625 km (0.111 R)
• M20: 100,317,041 km (0.12 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 15,418 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit