🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.71 AU - 0.75 AU

Year: 233 Days

Day: 35.2 Hours

Environment

Temp: 170 °C

Axial Tilt: 21.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.9 AU - 1.08 AU

Year: 367 Days

Day: 31 Hours

Environment

Temp: 29 °C

Axial Tilt: 32 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.77 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

Orbit Range: 1.77 AU - 1.77 AU

Year: 878 Days

Day: 15.9 Hours

Environment

Temp: -68 °C

Axial Tilt: 173.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.8

Radius: 8.1

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.24 AU - 4.96 AU

Year: 3678 Days

Day: 12.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,089,924 km

• M1: 100,679 km (0.086 R)
• M2: 370,704 km (0.034 R)
• M3: 715,826 km (0.106 R)
• M4: 1,410,858 km (0.062 R)
• M5: 2,176,499 km (0.094 R)
• M6: 4,779,203 km (0.048 R)
• M7: 5,373,705 km (0.066 R)
• M8: 6,100,302 km (0.107 R)
• M9: 7,814,095 km (0.098 R)
• M10: 8,462,303 km (0.028 R)
• M11: 10,869,332 km (0.04 R)
• M12: 11,676,563 km (0.104 R)
• M13: 12,569,063 km (0.115 R)
• M14: 13,554,165 km (0.031 R)
• M15: 13,844,834 km (0.112 R)
• M16: 14,843,998 km (0.097 R)
• M17: 17,723,458 km (0.108 R)
• M18: 19,879,163 km (0.103 R)
• M19: 20,698,810 km (0.117 R)
• M20: 21,672,244 km (0.101 R)
• M21: 21,936,882 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.4

Radius: 10.8

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 8.11 AU - 9.89 AU

Year: 10065 Days

Day: 10.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,089,924 km

• M1: 138,677 km (0.07 R)
• M2: 488,886 km (0.106 R)
• M3: 1,664,725 km (0.076 R)
• M4: 3,327,206 km (0.112 R)
• M5: 7,259,087 km (0.064 R)
• M6: 7,952,174 km (0.093 R)
• M7: 8,688,644 km (0.065 R)
• M8: 9,050,671 km (0.107 R)
• M9: 10,910,322 km (0.06 R)
• M10: 11,655,768 km (0.045 R)
• M11: 13,667,710 km (0.115 R)
• M12: 16,035,994 km (0.051 R)
• M13: 16,999,404 km (0.108 R)
• M14: 18,966,018 km (0.025 R)
• M15: 20,757,004 km (0.102 R)
• M16: 24,403,601 km (0.113 R)
• M17: 27,573,431 km (0.107 R)
• M18: 28,655,173 km (0.062 R)
• M19: 33,046,618 km (0.079 R)
• M20: 39,325,989 km (0.113 R)
• M21: 41,584,019 km (0.116 R)
• M22: 44,326,148 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 653.7

Radius: 7.1

Gravity: 12.97 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 10.02 AU - 14.32 AU

Year: 15827 Days

Day: 16.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 64,089,924 km

• M1: 88,263 km (0.048 R)
• M2: 370,554 km (0.106 R)
• M3: 827,127 km (0.111 R)
• M4: 1,187,358 km (0.114 R)
• M5: 1,922,183 km (0.055 R)
• M6: 2,165,878 km (0.1 R)
• M7: 2,537,778 km (0.12 R)
• M8: 2,785,662 km (0.1 R)
• M9: 3,277,839 km (0.083 R)
• M10: 4,062,779 km (0.112 R)
• M11: 5,842,994 km (0.082 R)
• M12: 6,317,967 km (0.115 R)
• M13: 7,992,865 km (0.118 R)
• M14: 12,511,319 km (0.099 R)
• M15: 13,299,849 km (0.105 R)
• M16: 13,637,940 km (0.117 R)
• M17: 14,120,992 km (0.092 R)
• M18: 14,402,236 km (0.092 R)
• M19: 17,746,047 km (0.096 R)
• M20: 19,423,937 km (0.048 R)
• M21: 31,048,290 km (0.041 R)
• M22: 32,004,520 km (0.118 R)
• M23: 34,353,954 km (0.117 R)
• M24: 35,635,559 km (0.075 R)
• M25: 39,254,780 km (0.055 R)
• M26: 42,233,573 km (0.025 R)
• M27: 44,451,362 km (0.098 R)
• M28: 45,207,429 km (0.095 R)
• M29: 50,907,108 km (0.096 R)
• M30: 53,416,912 km (0.102 R)
• M31: 57,245,420 km (0.105 R)
• M32: 58,140,315 km (0.107 R)
• M33: 58,681,710 km (0.115 R)
• M34: 59,774,672 km (0.098 R)
• M35: 61,813,391 km (0.113 R)
• M36: 62,566,168 km (0.045 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 158 - 18,534 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit