🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.53 AU - 0.75 AU

Year: 189 Days

Day: 41.4 Hours

Environment

Temp: 158 °C

Axial Tilt: 5.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.77 AU - 0.97 AU

Year: 299 Days

Day: 32.4 Hours

Environment

Temp: 140 °C

Axial Tilt: 29.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 53,920,515 km

• M1: 218,413 km (0.107 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.93 AU - 1.13 AU

Year: 386 Days

Day: 30.7 Hours

Environment

Temp: 23 °C

Axial Tilt: 39.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.59 AU - 2.23 AU

Year: 974 Days

Day: 27.2 Hours

Environment

Temp: -69 °C

Axial Tilt: 22.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,920,515 km

• M1: 40,242 km (0.055 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.81 AU - 2.25 AU

Year: 1067 Days

Day: 38.1 Hours

Environment

Temp: -62 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.5 AU - 4.38 AU

Year: 2886 Days

Day: 23.7 Hours

Environment

Temp: -127 °C

Axial Tilt: 12.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.09 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 12.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 592.7

Radius: 6.9

Gravity: 12.45 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 11.26 AU - 13.2 AU

Year: 15780 Days

Day: 19.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,920,515 km

• M1: 87,066 km (0.096 R)
• M2: 650,152 km (0.119 R)
• M3: 908,807 km (0.101 R)
• M4: 2,018,225 km (0.089 R)
• M5: 2,348,238 km (0.115 R)
• M6: 4,865,372 km (0.106 R)
• M7: 5,280,805 km (0.103 R)
• M8: 6,182,282 km (0.056 R)
• M9: 8,828,967 km (0.088 R)
• M10: 11,777,990 km (0.112 R)
• M11: 13,174,486 km (0.06 R)
• M12: 13,844,385 km (0.051 R)
• M13: 14,749,004 km (0.108 R)
• M14: 15,471,262 km (0.109 R)
• M15: 17,064,180 km (0.079 R)
• M16: 18,266,947 km (0.112 R)
• M17: 19,870,337 km (0.113 R)
• M18: 20,395,575 km (0.098 R)
• M19: 21,656,985 km (0.116 R)
• M20: 22,684,124 km (0.103 R)
• M21: 32,336,926 km (0.086 R)
• M22: 34,423,667 km (0.087 R)
• M23: 41,930,488 km (0.106 R)
• M24: 50,783,092 km (0.104 R)
• M25: 55,126,367 km (0.114 R)
• M26: 56,685,625 km (0.08 R)
• M27: 58,096,183 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 151.9

Radius: 4.7

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 17.32 AU - 18.66 AU

Year: 28153 Days

Day: 23.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,920,515 km

• M1: 85,869 km (0.097 R)
• M2: 1,326,933 km (0.073 R)
• M3: 3,539,336 km (0.105 R)
• M4: 3,729,176 km (0.084 R)
• M5: 8,230,725 km (0.09 R)
• M6: 9,006,989 km (0.036 R)
• M7: 17,909,857 km (0.107 R)
• M8: 36,558,578 km (0.118 R)
• M9: 43,176,040 km (0.081 R)
• M10: 46,991,384 km (0.057 R)
• M11: 48,362,748 km (0.113 R)
• M12: 48,671,069 km (0.1 R)
• M13: 49,136,019 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 120.2

Radius: 7.8

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 15.16 AU - 21.1 AU

Year: 28482 Days

Day: 18.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 76.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,920,515 km

• M1: 96,939 km (0.115 R)
• M2: 662,270 km (0.06 R)
• M3: 2,608,239 km (0.087 R)
• M4: 3,073,787 km (0.093 R)
• M5: 4,228,833 km (0.104 R)
• M6: 5,975,388 km (0.093 R)
• M7: 6,824,954 km (0.118 R)
• M8: 7,236,797 km (0.11 R)
• M9: 10,012,436 km (0.036 R)
• M10: 12,374,137 km (0.118 R)
• M11: 13,364,027 km (0.054 R)
• M12: 14,878,256 km (0.118 R)
• M13: 15,925,441 km (0.056 R)
• M14: 17,778,510 km (0.112 R)
• M15: 33,974,724 km (0.089 R)
• M16: 34,691,297 km (0.04 R)
• M17: 35,417,894 km (0.103 R)
• M18: 35,907,827 km (0.118 R)
• M19: 38,297,354 km (0.11 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 13,073 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit