🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.76 AU - 0.9 AU

Year: 291 Days

Day: 24.3 Hours

Environment

Temp: 22 °C

Axial Tilt: 12.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.88 AU - 2.46 AU

Year: 1231 Days

Day: 29.2 Hours

Environment

Temp: -83 °C

Axial Tilt: 15 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 9.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393

Radius: 11.5

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 8.14 AU - 11.18 AU

Year: 11559 Days

Day: 7.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,927,926 km

• M1: 143,614 km (0.088 R)
• M2: 508,782 km (0.112 R)
• M3: 956,678 km (0.056 R)
• M4: 1,371,513 km (0.09 R)
• M5: 1,816,567 km (0.105 R)
• M6: 2,486,017 km (0.052 R)
• M7: 3,523,479 km (0.1 R)
• M8: 3,944,447 km (0.072 R)
• M9: 5,287,387 km (0.115 R)
• M10: 6,876,416 km (0.05 R)
• M11: 7,457,603 km (0.118 R)
• M12: 8,071,404 km (0.085 R)
• M13: 9,307,232 km (0.047 R)
• M14: 12,600,180 km (0.075 R)
• M15: 16,059,032 km (0.077 R)
• M16: 18,961,231 km (0.091 R)
• M17: 19,489,611 km (0.103 R)
• M18: 23,553,287 km (0.053 R)
• M19: 24,163,946 km (0.117 R)
• M20: 25,326,172 km (0.03 R)
• M21: 26,338,201 km (0.06 R)
• M22: 29,536,454 km (0.078 R)
• M23: 30,657,840 km (0.113 R)
• M24: 34,525,992 km (0.096 R)
• M25: 35,427,917 km (0.094 R)
• M26: 38,708,150 km (0.102 R)
• M27: 40,421,943 km (0.067 R)
• M28: 43,476,582 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.9

Radius: 13.1

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 8.3 AU - 11.74 AU

Year: 12212 Days

Day: 5.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 85.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,927,926 km

• M1: 162,912 km (0.102 R)
• M2: 615,296 km (0.079 R)
• M3: 1,180,028 km (0.089 R)
• M4: 1,705,117 km (0.114 R)
• M5: 2,269,998 km (0.087 R)
• M6: 3,217,252 km (0.089 R)
• M7: 4,352,700 km (0.088 R)
• M8: 5,385,224 km (0.057 R)
• M9: 7,977,606 km (0.1 R)
• M10: 8,487,136 km (0.086 R)
• M11: 8,969,140 km (0.066 R)
• M12: 11,368,840 km (0.111 R)
• M13: 11,777,392 km (0.081 R)
• M14: 13,446,006 km (0.066 R)
• M15: 13,969,449 km (0.037 R)
• M16: 14,574,423 km (0.11 R)
• M17: 16,273,855 km (0.09 R)
• M18: 23,452,458 km (0.094 R)
• M19: 24,308,008 km (0.104 R)
• M20: 27,414,558 km (0.085 R)
• M21: 30,664,123 km (0.099 R)
• M22: 32,850,196 km (0.095 R)
• M23: 33,323,374 km (0.102 R)
• M24: 35,138,296 km (0.049 R)
• M25: 42,919,031 km (0.105 R)
• M26: 46,983,904 km (0.097 R)
• M27: 50,666,555 km (0.113 R)
• M28: 51,140,032 km (0.089 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 432

Radius: 5.2

Gravity: 15.98 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 9.02 AU - 14.06 AU

Year: 15093 Days

Day: 24.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,927,926 km

• M1: 71,059 km (0.12 R)
• M2: 273,764 km (0.057 R)
• M3: 639,830 km (0.104 R)
• M4: 1,409,661 km (0.091 R)
• M5: 1,753,137 km (0.036 R)
• M6: 3,195,710 km (0.069 R)
• M7: 3,653,330 km (0.1 R)
• M8: 4,603,874 km (0.106 R)
• M9: 6,189,612 km (0.098 R)
• M10: 7,146,589 km (0.063 R)
• M11: 8,429,990 km (0.092 R)
• M12: 8,906,160 km (0.106 R)
• M13: 9,756,324 km (0.093 R)
• M14: 12,206,289 km (0.117 R)
• M15: 14,292,431 km (0.031 R)
• M16: 17,276,460 km (0.111 R)
• M17: 18,593,968 km (0.071 R)
• M18: 24,060,574 km (0.097 R)
• M19: 28,986,831 km (0.118 R)
• M20: 32,890,289 km (0.114 R)
• M21: 34,305,335 km (0.102 R)
• M22: 40,773,348 km (0.091 R)
• M23: 42,267,532 km (0.061 R)
• M24: 46,381,025 km (0.041 R)
• M25: 48,158,397 km (0.089 R)
• M26: 49,520,934 km (0.116 R)
• M27: 49,980,798 km (0.061 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430

Radius: 6.9

Gravity: 9.03 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 12.68 AU - 13.36 AU

Year: 18088 Days

Day: 22.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,927,926 km

• M1: 100,380 km (0.034 R)
• M2: 330,312 km (0.095 R)
• M3: 707,448 km (0.071 R)
• M4: 980,614 km (0.119 R)
• M5: 1,987,557 km (0.034 R)
• M6: 4,340,732 km (0.115 R)
• M7: 4,822,587 km (0.12 R)
• M8: 5,704,316 km (0.028 R)
• M9: 6,941,341 km (0.108 R)
• M10: 7,465,233 km (0.106 R)
• M11: 9,041,695 km (0.079 R)
• M12: 9,934,795 km (0.092 R)
• M13: 10,885,489 km (0.09 R)
• M14: 13,760,461 km (0.117 R)
• M15: 15,154,713 km (0.103 R)
• M16: 18,964,372 km (0.098 R)
• M17: 20,954,623 km (0.076 R)
• M18: 24,342,865 km (0.084 R)
• M19: 24,740,496 km (0.062 R)
• M20: 28,958,557 km (0.104 R)
• M21: 30,311,820 km (0.052 R)
• M22: 34,374,000 km (0.086 R)
• M23: 39,327,335 km (0.082 R)
• M24: 39,874,864 km (0.077 R)
• M25: 40,705,730 km (0.04 R)
• M26: 42,689,099 km (0.089 R)
• M27: 43,558,562 km (0.105 R)
• M28: 49,340,968 km (0.077 R)
• M29: 52,085,790 km (0.103 R)
• M30: 54,421,312 km (0.052 R)
• M31: 55,786,692 km (0.086 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: 470 - 16,575 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit