🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.44 AU - 0.66 AU

Year: 156 Days

Day: 13.2 Hours

Environment

Temp: 184 °C

Axial Tilt: 11.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 45,730,580 km

• M1: 309,817 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.89 AU - 3.07 AU

Year: 1495 Days

Day: 35 Hours

Environment

Temp: -106 °C

Axial Tilt: 24.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.78 AU - 3.42 AU

Year: 2090 Days

Day: 31.9 Hours

Environment

Temp: -111 °C

Axial Tilt: 3.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.4

Radius: 10.2

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 7.75 AU - 8.59 AU

Year: 8941 Days

Day: 10.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 45,730,580 km

• M1: 126,859 km (0.083 R)
• M2: 449,093 km (0.106 R)
• M3: 779,405 km (0.044 R)
• M4: 1,356,853 km (0.106 R)
• M5: 1,703,621 km (0.076 R)
• M6: 2,171,114 km (0.095 R)
• M7: 2,633,671 km (0.075 R)
• M8: 3,941,754 km (0.091 R)
• M9: 4,504,691 km (0.085 R)
• M10: 4,927,155 km (0.071 R)
• M11: 5,289,781 km (0.1 R)
• M12: 5,944,421 km (0.099 R)
• M13: 8,508,379 km (0.116 R)
• M14: 9,239,164 km (0.106 R)
• M15: 10,011,239 km (0.073 R)
• M16: 11,059,621 km (0.076 R)
• M17: 11,392,775 km (0.1 R)
• M18: 11,732,811 km (0.115 R)
• M19: 13,373,750 km (0.099 R)
• M20: 14,137,896 km (0.072 R)
• M21: 14,815,724 km (0.119 R)
• M22: 15,933,071 km (0.051 R)
• M23: 16,854,145 km (0.032 R)
• M24: 18,005,899 km (0.049 R)
• M25: 21,775,915 km (0.117 R)
• M26: 22,527,495 km (0.069 R)
• M27: 23,218,637 km (0.1 R)
• M28: 25,130,946 km (0.097 R)
• M29: 26,125,473 km (0.032 R)
• M30: 27,146,030 km (0.044 R)
• M31: 32,456,455 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.9

Radius: 12.6

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 6.45 AU - 10.01 AU

Year: 9040 Days

Day: 8.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,730,580 km

• M1: 156,779 km (0.092 R)
• M2: 584,778 km (0.117 R)
• M3: 1,135,897 km (0.07 R)
• M4: 1,870,123 km (0.11 R)
• M5: 2,880,956 km (0.085 R)
• M6: 3,805,471 km (0.047 R)
• M7: 4,227,037 km (0.087 R)
• M8: 6,309,440 km (0.119 R)
• M9: 8,775,561 km (0.078 R)
• M10: 10,913,464 km (0.084 R)
• M11: 11,715,907 km (0.107 R)
• M12: 12,730,330 km (0.075 R)
• M13: 14,486,609 km (0.104 R)
• M14: 16,125,902 km (0.083 R)
• M15: 18,849,781 km (0.08 R)
• M16: 20,241,639 km (0.102 R)
• M17: 20,962,701 km (0.105 R)
• M18: 21,783,844 km (0.101 R)
• M19: 25,840,339 km (0.057 R)
• M20: 30,063,936 km (0.115 R)
• M21: 32,610,840 km (0.097 R)
• M22: 40,351,632 km (0.075 R)
• M23: 41,750,821 km (0.091 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: 313 - 17,629 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit