🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.88 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.36 AU - 2.16 AU

Year: 836 Days

Day: 39.2 Hours

Environment

Temp: -51 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.59 AU - 2.21 AU

Year: 938 Days

Day: 26.4 Hours

Environment

Temp: -62 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288

Radius: 8.6

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 6.91 AU - 7.43 AU

Year: 6876 Days

Day: 10.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,473,994 km

• M1: 106,962 km (0.098 R)
• M2: 692,937 km (0.086 R)
• M3: 1,045,988 km (0.064 R)
• M4: 1,612,067 km (0.12 R)
• M5: 1,917,396 km (0.099 R)
• M6: 2,353,773 km (0.1 R)
• M7: 2,680,495 km (0.064 R)
• M8: 3,345,607 km (0.088 R)
• M9: 3,760,292 km (0.094 R)
• M10: 4,398,327 km (0.084 R)
• M11: 4,922,817 km (0.087 R)
• M12: 5,977,183 km (0.1 R)
• M13: 6,526,207 km (0.086 R)
• M14: 6,813,136 km (0.054 R)
• M15: 9,381,731 km (0.045 R)
• M16: 10,336,166 km (0.052 R)
• M17: 12,632,343 km (0.111 R)
• M18: 16,742,694 km (0.109 R)
• M19: 21,949,299 km (0.112 R)
• M20: 22,595,113 km (0.063 R)
• M21: 23,401,745 km (0.103 R)
• M22: 24,000,286 km (0.057 R)
• M23: 27,724,824 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.9

Radius: 11.5

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 9.44 AU - 11.1 AU

Year: 11788 Days

Day: 14 Hours

Environment

Temp: -176 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,473,994 km

• M1: 143,165 km (0.039 R)
• M2: 717,322 km (0.112 R)
• M3: 1,089,970 km (0.097 R)
• M4: 3,407,839 km (0.032 R)
• M5: 5,831,624 km (0.07 R)
• M6: 6,711,559 km (0.112 R)
• M7: 8,957,472 km (0.11 R)
• M8: 10,226,062 km (0.091 R)
• M9: 12,099,177 km (0.062 R)
• M10: 14,313,823 km (0.089 R)
• M11: 18,487,305 km (0.058 R)
• M12: 19,759,784 km (0.097 R)
• M13: 24,101,713 km (0.08 R)
• M14: 33,842,778 km (0.049 R)
• M15: 38,307,676 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.1

Radius: 8.9

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 8.4 AU - 13.08 AU

Year: 12606 Days

Day: 5.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 77,473,994 km

• M1: 110,852 km (0.095 R)
• M2: 543,190 km (0.062 R)
• M3: 891,903 km (0.096 R)
• M4: 1,250,339 km (0.1 R)
• M5: 1,928,616 km (0.051 R)
• M6: 3,519,589 km (0.115 R)
• M7: 3,970,627 km (0.101 R)
• M8: 6,908,878 km (0.075 R)
• M9: 7,404,047 km (0.059 R)
• M10: 9,375,299 km (0.101 R)
• M11: 13,044,934 km (0.083 R)
• M12: 13,737,722 km (0.05 R)
• M13: 14,191,153 km (0.101 R)
• M14: 15,472,459 km (0.051 R)
• M15: 18,654,406 km (0.072 R)
• M16: 19,941,995 km (0.036 R)
• M17: 22,693,548 km (0.109 R)
• M18: 24,916,273 km (0.101 R)
• M19: 28,308,106 km (0.102 R)
• M20: 30,990,097 km (0.1 R)
• M21: 33,022,982 km (0.056 R)
• M22: 33,603,123 km (0.085 R)
• M23: 35,747,907 km (0.112 R)
• M24: 37,603,669 km (0.115 R)
• M25: 38,109,160 km (0.115 R)
• M26: 39,522,710 km (0.114 R)
• M27: 39,914,208 km (0.067 R)
• M28: 40,837,825 km (0.115 R)
• M29: 42,454,230 km (0.101 R)
• M30: 48,895,765 km (0.093 R)
• M31: 51,025,440 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 611.4

Radius: 7

Gravity: 12.48 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 11.59 AU - 19.31 AU

Year: 21750 Days

Day: 17.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 77,473,994 km

• M1: 88,113 km (0.091 R)
• M2: 392,246 km (0.116 R)
• M3: 877,840 km (0.096 R)
• M4: 1,239,119 km (0.1 R)
• M5: 2,599,113 km (0.079 R)
• M6: 3,209,922 km (0.1 R)
• M7: 3,520,038 km (0.104 R)
• M8: 3,881,167 km (0.112 R)
• M9: 4,503,195 km (0.047 R)
• M10: 4,820,343 km (0.113 R)
• M11: 5,381,634 km (0.06 R)
• M12: 6,282,811 km (0.115 R)
• M13: 6,860,558 km (0.057 R)
• M14: 7,424,842 km (0.09 R)
• M15: 8,970,337 km (0.082 R)
• M16: 9,191,592 km (0.088 R)
• M17: 9,935,543 km (0.091 R)
• M18: 11,478,196 km (0.11 R)
• M19: 12,962,356 km (0.043 R)
• M20: 13,532,324 km (0.086 R)
• M21: 14,044,697 km (0.044 R)
• M22: 17,566,231 km (0.077 R)
• M23: 18,530,539 km (0.038 R)
• M24: 23,154,310 km (0.059 R)
• M25: 24,312,796 km (0.04 R)
• M26: 26,744,659 km (0.119 R)
• M27: 28,612,089 km (0.085 R)
• M28: 30,068,274 km (0.098 R)
• M29: 31,066,242 km (0.106 R)
• M30: 31,573,379 km (0.104 R)
• M31: 32,086,051 km (0.111 R)
• M32: 36,389,084 km (0.102 R)
• M33: 38,386,963 km (0.103 R)
• M34: 40,456,799 km (0.108 R)
• M35: 41,825,919 km (0.109 R)
• M36: 42,755,670 km (0.065 R)
• M37: 43,225,706 km (0.087 R)
• M38: 67,914,142 km (0.042 R)

Kuiper Belt

Range: 30.6 - 47.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 15,823 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit