🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.55 AU - 0.59 AU

Year: 153 Days

Day: 12.7 Hours

Environment

Temp: 197 °C

Axial Tilt: 7.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.07 AU - 1.43 AU

Year: 496 Days

Day: 24.5 Hours

Environment

Temp: 25 °C

Axial Tilt: 13 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.58 AU - 2.3 AU

Year: 959 Days

Day: 14.8 Hours

Environment

Temp: -49 °C

Axial Tilt: 14.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 74,034,917 km

• M1: 120,875 km (0.114 R)
• M2: 377,136 km (0.077 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.12 AU - 2.9 AU

Year: 1411 Days

Day: 30.8 Hours

Environment

Temp: -81 °C

Axial Tilt: 20.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.13 AU - 3.29 AU

Year: 1583 Days

Day: 36.1 Hours

Environment

Temp: -83 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.29 AU - 4.67 AU

Year: 2817 Days

Day: 21.2 Hours

Environment

Temp: -117 °C

Axial Tilt: 44.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.06 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.4

Radius: 11.1

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 4.73 AU - 7.53 AU

Year: 5384 Days

Day: 8 Hours

Environment

Temp: -140 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,034,917 km

• M1: 138,228 km (0.058 R)
• M2: 485,146 km (0.065 R)
• M3: 843,882 km (0.115 R)
• M4: 1,688,661 km (0.067 R)
• M5: 2,305,752 km (0.038 R)
• M6: 2,784,615 km (0.075 R)
• M7: 3,329,301 km (0.116 R)
• M8: 3,920,811 km (0.083 R)
• M9: 4,303,632 km (0.069 R)
• M10: 5,061,644 km (0.1 R)
• M11: 6,575,126 km (0.044 R)
• M12: 7,013,896 km (0.095 R)
• M13: 8,725,745 km (0.09 R)
• M14: 11,261,279 km (0.079 R)
• M15: 12,139,119 km (0.053 R)
• M16: 13,379,585 km (0.112 R)
• M17: 13,756,871 km (0.111 R)
• M18: 14,420,188 km (0.085 R)
• M19: 14,989,108 km (0.069 R)
• M20: 15,930,528 km (0.104 R)
• M21: 21,020,146 km (0.064 R)
• M22: 23,812,690 km (0.082 R)
• M23: 25,585,574 km (0.119 R)
• M24: 26,000,409 km (0.118 R)
• M25: 30,123,027 km (0.106 R)
• M26: 31,620,502 km (0.101 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.3

Radius: 9

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 7.55 AU - 11.25 AU

Year: 10224 Days

Day: 9.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,034,917 km

• M1: 112,049 km (0.092 R)
• M2: 570,117 km (0.093 R)
• M3: 1,051,972 km (0.067 R)
• M4: 1,761,665 km (0.082 R)
• M5: 3,898,371 km (0.111 R)
• M6: 4,518,304 km (0.089 R)
• M7: 5,232,335 km (0.093 R)
• M8: 6,355,815 km (0.118 R)
• M9: 7,555,440 km (0.106 R)
• M10: 8,311,209 km (0.074 R)
• M11: 14,952,906 km (0.106 R)
• M12: 20,612,492 km (0.077 R)
• M13: 22,482,166 km (0.1 R)
• M14: 23,623,598 km (0.104 R)
• M15: 24,547,215 km (0.116 R)
• M16: 25,757,163 km (0.11 R)
• M17: 29,529,273 km (0.08 R)
• M18: 34,182,066 km (0.108 R)
• M19: 35,580,657 km (0.118 R)
• M20: 36,570,845 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396.2

Radius: 5.6

Gravity: 12.63 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 14.82 AU - 19.52 AU

Year: 25240 Days

Day: 19.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 74,034,917 km

• M1: 69,713 km (0.096 R)
• M2: 384,167 km (0.114 R)
• M3: 635,193 km (0.108 R)
• M4: 912,098 km (0.096 R)
• M5: 2,106,936 km (0.101 R)
• M6: 2,752,002 km (0.038 R)
• M7: 3,186,883 km (0.105 R)
• M8: 3,378,818 km (0.12 R)
• M9: 3,725,885 km (0.095 R)
• M10: 4,257,855 km (0.093 R)
• M11: 7,748,871 km (0.12 R)
• M12: 8,986,494 km (0.101 R)
• M13: 9,426,760 km (0.089 R)
• M14: 9,709,051 km (0.118 R)
• M15: 10,469,757 km (0.12 R)
• M16: 12,578,039 km (0.081 R)
• M17: 16,858,334 km (0.034 R)
• M18: 17,527,635 km (0.077 R)
• M19: 18,127,522 km (0.106 R)
• M20: 19,008,354 km (0.083 R)
• M21: 22,817,415 km (0.086 R)
• M22: 28,490,166 km (0.12 R)
• M23: 28,725,334 km (0.11 R)
• M24: 29,080,480 km (0.096 R)
• M25: 35,305,247 km (0.086 R)
• M26: 36,537,335 km (0.111 R)
• M27: 39,232,490 km (0.12 R)
• M28: 39,962,977 km (0.099 R)
• M29: 40,554,038 km (0.076 R)
• M30: 46,462,256 km (0.091 R)
• M31: 48,107,234 km (0.078 R)
• M32: 52,565,251 km (0.107 R)
• M33: 57,477,895 km (0.097 R)
• M34: 59,948,804 km (0.077 R)
• M35: 65,305,155 km (0.052 R)
• M36: 65,509,356 km (0.059 R)
• M37: 67,575,752 km (0.108 R)
• M38: 68,204,063 km (0.11 R)

Kuiper Belt

Range: 30.9 - 46.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 17,346 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit