🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.53 AU - 0.75 AU

Year: 195 Days

Day: 33 Hours

Environment

Temp: 152 °C

Axial Tilt: 1.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.24 AU - 3.88 AU

Year: 2558 Days

Day: 33.1 Hours

Environment

Temp: -134 °C

Axial Tilt: 45.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 97,249,441 km

• M1: 21,392 km (0.09 R)

Asteroid Belt

Center: 5.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.4

Radius: 11.4

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6.95 AU - 8.71 AU

Year: 8343 Days

Day: 13.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 97,249,441 km

• M1: 144,960 km (0.073 R)
• M2: 580,889 km (0.106 R)
• M3: 1,060,799 km (0.103 R)
• M4: 1,758,523 km (0.093 R)
• M5: 2,191,908 km (0.06 R)
• M6: 3,767,323 km (0.095 R)
• M7: 4,431,687 km (0.101 R)
• M8: 5,916,297 km (0.103 R)
• M9: 7,342,413 km (0.12 R)
• M10: 10,706,271 km (0.081 R)
• M11: 11,178,701 km (0.101 R)
• M12: 11,913,376 km (0.109 R)
• M13: 16,283,579 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.9

Radius: 9.4

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 8.04 AU - 12.54 AU

Year: 12570 Days

Day: 7.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 97,249,441 km

• M1: 118,482 km (0.078 R)
• M2: 418,276 km (0.067 R)
• M3: 726,298 km (0.052 R)
• M4: 1,251,237 km (0.079 R)
• M5: 2,216,891 km (0.077 R)
• M6: 2,546,904 km (0.075 R)
• M7: 3,816,541 km (0.119 R)
• M8: 11,225,226 km (0.037 R)
• M9: 14,527,150 km (0.068 R)
• M10: 16,639,173 km (0.1 R)
• M11: 17,268,381 km (0.091 R)
• M12: 19,403,891 km (0.037 R)
• M13: 19,866,747 km (0.051 R)
• M14: 22,292,327 km (0.106 R)
• M15: 25,364,169 km (0.056 R)
• M16: 26,668,214 km (0.073 R)
• M17: 31,057,416 km (0.119 R)
• M18: 31,584,748 km (0.044 R)
• M19: 34,536,464 km (0.086 R)
• M20: 36,838,027 km (0.067 R)
• M21: 39,117,450 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.7

Radius: 12.4

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 10.2 AU - 10.98 AU

Year: 13123 Days

Day: 11.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 97,249,441 km

• M1: 154,983 km (0.09 R)
• M2: 630,106 km (0.091 R)
• M3: 1,081,144 km (0.063 R)
• M4: 1,933,253 km (0.03 R)
• M5: 2,650,425 km (0.116 R)
• M6: 4,306,773 km (0.047 R)
• M7: 7,212,263 km (0.111 R)
• M8: 8,578,989 km (0.098 R)
• M9: 10,209,905 km (0.079 R)
• M10: 12,713,575 km (0.071 R)
• M11: 13,712,440 km (0.094 R)
• M12: 16,200,851 km (0.082 R)
• M13: 17,516,265 km (0.113 R)
• M14: 18,018,465 km (0.107 R)
• M15: 21,317,098 km (0.076 R)
• M16: 22,641,189 km (0.105 R)
• M17: 23,931,471 km (0.108 R)
• M18: 25,179,566 km (0.112 R)
• M19: 33,265,929 km (0.065 R)
• M20: 42,800,250 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 826.1

Radius: 3.3

Gravity: 75.86 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 14.43 AU - 19.25 AU

Year: 26315 Days

Day: 15.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 97,249,441 km

• M1: 41,588 km (0.058 R)
• M2: 144,212 km (0.07 R)
• M3: 389,254 km (0.052 R)
• M4: 903,272 km (0.108 R)
• M5: 1,401,732 km (0.115 R)
• M6: 2,084,796 km (0.06 R)
• M7: 2,315,027 km (0.1 R)
• M8: 2,436,501 km (0.114 R)
• M9: 3,761,489 km (0.1 R)
• M10: 5,941,429 km (0.058 R)
• M11: 9,137,438 km (0.05 R)
• M12: 10,791,542 km (0.045 R)
• M13: 11,130,979 km (0.086 R)
• M14: 11,407,586 km (0.103 R)
• M15: 12,486,037 km (0.087 R)
• M16: 12,634,737 km (0.101 R)
• M17: 13,164,762 km (0.112 R)
• M18: 14,187,862 km (0.079 R)
• M19: 14,431,407 km (0.093 R)
• M20: 17,112,351 km (0.077 R)
• M21: 18,425,072 km (0.084 R)
• M22: 24,931,084 km (0.119 R)
• M23: 25,048,817 km (0.098 R)
• M24: 26,984,015 km (0.098 R)
• M25: 29,408,847 km (0.089 R)
• M26: 29,937,227 km (0.093 R)
• M27: 32,956,710 km (0.093 R)
• M28: 39,272,732 km (0.072 R)
• M29: 47,064,238 km (0.096 R)
• M30: 51,510,436 km (0.116 R)
• M31: 56,228,454 km (0.116 R)
• M32: 62,737,757 km (0.082 R)
• M33: 63,832,514 km (0.119 R)
• M34: 68,569,979 km (0.104 R)
• M35: 73,778,528 km (0.105 R)
• M36: 74,753,009 km (0.091 R)
• M37: 74,997,901 km (0.045 R)
• M38: 75,983,152 km (0.064 R)
• M39: 88,486,393 km (0.069 R)
• M40: 90,695,205 km (0.115 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 359 - 14,726 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit