🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.84 AU - 1.16 AU

Year: 353 Days

Day: 30.8 Hours

Environment

Temp: 122 °C

Axial Tilt: 19.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.87 AU - 1.21 AU

Year: 374 Days

Day: 45.9 Hours

Environment

Temp: 71 °C

Axial Tilt: 14.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 55,664,477 km

• M1: 22,290 km (0.104 R)
• M2: 217,964 km (0.119 R)

Asteroid Belt

Center: 3.96 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.3

Radius: 8.2

Gravity: 14.22 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.1 AU - 7.66 AU

Year: 6372 Days

Day: 6.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 55,664,477 km

• M1: 107,262 km (0.111 R)
• M2: 413,788 km (0.068 R)
• M3: 813,513 km (0.094 R)
• M4: 1,128,118 km (0.041 R)
• M5: 1,549,984 km (0.082 R)
• M6: 2,073,875 km (0.096 R)
• M7: 3,139,461 km (0.042 R)
• M8: 3,853,641 km (0.101 R)
• M9: 4,900,976 km (0.028 R)
• M10: 5,197,778 km (0.059 R)
• M11: 6,297,921 km (0.117 R)
• M12: 7,545,866 km (0.116 R)
• M13: 8,863,973 km (0.032 R)
• M14: 9,260,856 km (0.084 R)
• M15: 11,323,063 km (0.112 R)
• M16: 11,843,215 km (0.107 R)
• M17: 13,731,888 km (0.116 R)
• M18: 14,203,869 km (0.111 R)
• M19: 15,242,677 km (0.077 R)
• M20: 15,684,888 km (0.067 R)
• M21: 16,794,455 km (0.051 R)
• M22: 17,130,602 km (0.037 R)
• M23: 17,402,571 km (0.088 R)
• M24: 19,462,384 km (0.103 R)
• M25: 21,129,652 km (0.062 R)
• M26: 21,918,182 km (0.081 R)
• M27: 23,054,827 km (0.104 R)
• M28: 25,533,365 km (0.101 R)
• M29: 26,882,588 km (0.108 R)
• M30: 27,158,147 km (0.075 R)
• M31: 30,612,212 km (0.113 R)
• M32: 32,652,428 km (0.087 R)
• M33: 33,705,747 km (0.081 R)
• M34: 34,240,709 km (0.063 R)
• M35: 35,548,044 km (0.099 R)
• M36: 39,314,320 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.9

Radius: 13.4

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 11.34 AU - 11.74 AU

Year: 13842 Days

Day: 8.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,664,477 km

• M1: 168,148 km (0.089 R)
• M2: 815,757 km (0.09 R)
• M3: 1,333,515 km (0.079 R)
• M4: 2,425,879 km (0.085 R)
• M5: 4,019,695 km (0.118 R)
• M6: 5,746,653 km (0.117 R)
• M7: 7,970,126 km (0.119 R)
• M8: 9,200,119 km (0.085 R)
• M9: 10,994,995 km (0.038 R)
• M10: 13,075,901 km (0.052 R)
• M11: 14,376,804 km (0.097 R)
• M12: 18,398,145 km (0.073 R)
• M13: 19,202,383 km (0.086 R)
• M14: 20,282,779 km (0.033 R)
• M15: 34,490,387 km (0.055 R)
• M16: 34,976,132 km (0.113 R)
• M17: 37,729,630 km (0.087 R)
• M18: 43,948,264 km (0.114 R)

Kuiper Belt

Range: 31.1 - 59.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 11,608 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit