🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.62 AU - 0.88 AU

Year: 230 Days

Day: 44.7 Hours

Environment

Temp: 190 °C

Axial Tilt: 38.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 77,920,357 km

• M1: 74,799 km (0.096 R)
• M2: 119,379 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.55 AU - 1.77 AU

Year: 759 Days

Day: 44.2 Hours

Environment

Temp: -29 °C

Axial Tilt: 20 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.35 AU - 2.71 AU

Year: 1428 Days

Day: 31.7 Hours

Environment

Temp: -85 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,920,357 km

• M1: 21,392 km (0.084 R)

Asteroid Belt

Center: 5.23 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.2

Radius: 8.6

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 7.1 AU - 8.74 AU

Year: 7907 Days

Day: 7.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 77,920,357 km

• M1: 109,206 km (0.112 R)
• M2: 737,518 km (0.071 R)
• M3: 1,132,605 km (0.113 R)
• M4: 2,085,694 km (0.061 R)
• M5: 2,519,527 km (0.104 R)
• M6: 3,183,293 km (0.079 R)
• M7: 4,405,059 km (0.109 R)
• M8: 6,252,593 km (0.106 R)
• M9: 6,895,265 km (0.044 R)
• M10: 7,270,905 km (0.035 R)
• M11: 8,608,460 km (0.119 R)
• M12: 9,540,754 km (0.071 R)
• M13: 13,831,819 km (0.106 R)
• M14: 14,309,186 km (0.083 R)
• M15: 15,360,111 km (0.103 R)
• M16: 15,872,035 km (0.079 R)
• M17: 16,594,443 km (0.077 R)
• M18: 18,389,019 km (0.076 R)
• M19: 19,039,321 km (0.057 R)
• M20: 20,616,232 km (0.03 R)
• M21: 21,794,764 km (0.103 R)
• M22: 22,523,007 km (0.058 R)
• M23: 25,067,966 km (0.092 R)
• M24: 25,510,027 km (0.094 R)
• M25: 28,655,023 km (0.047 R)
• M26: 30,320,347 km (0.097 R)
• M27: 33,628,704 km (0.081 R)
• M28: 34,058,498 km (0.097 R)
• M29: 35,148,917 km (0.119 R)
• M30: 39,744,115 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.6

Radius: 9

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 7.98 AU - 12.72 AU

Year: 11813 Days

Day: 5.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,920,357 km

• M1: 118,182 km (0.109 R)
• M2: 684,261 km (0.114 R)
• M3: 1,000,810 km (0.089 R)
• M4: 2,637,710 km (0.1 R)
• M5: 6,153,260 km (0.083 R)
• M6: 10,225,613 km (0.06 R)
• M7: 17,935,438 km (0.079 R)
• M8: 19,811,396 km (0.111 R)
• M9: 20,611,894 km (0.095 R)
• M10: 27,361,750 km (0.075 R)
• M11: 27,990,510 km (0.097 R)
• M12: 32,464,832 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73.4

Radius: 7.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 12.97 AU - 13.49 AU

Year: 17072 Days

Day: 16.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,920,357 km

• M1: 95,144 km (0.079 R)
• M2: 837,299 km (0.118 R)
• M3: 1,391,559 km (0.101 R)
• M4: 6,788,003 km (0.078 R)
• M5: 7,098,419 km (0.057 R)
• M6: 14,441,281 km (0.1 R)
• M7: 18,368,375 km (0.051 R)
• M8: 18,635,108 km (0.106 R)
• M9: 25,508,980 km (0.09 R)
• M10: 28,693,171 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 705.4

Radius: 6.3

Gravity: 17.77 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 11.23 AU - 18.59 AU

Year: 20425 Days

Day: 24.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,920,357 km

• M1: 122,820 km (0.092 R)
• M2: 673,490 km (0.087 R)
• M3: 953,238 km (0.111 R)
• M4: 3,031,152 km (0.053 R)
• M5: 4,625,117 km (0.118 R)
• M6: 4,875,694 km (0.105 R)
• M7: 6,011,890 km (0.086 R)
• M8: 6,530,097 km (0.086 R)
• M9: 8,473,672 km (0.059 R)
• M10: 13,821,946 km (0.08 R)
• M11: 16,065,465 km (0.076 R)
• M12: 20,966,142 km (0.107 R)
• M13: 22,356,055 km (0.102 R)
• M14: 24,771,014 km (0.085 R)
• M15: 26,549,882 km (0.069 R)
• M16: 27,122,842 km (0.104 R)
• M17: 29,619,630 km (0.086 R)
• M18: 36,734,954 km (0.116 R)
• M19: 52,047,792 km (0.108 R)
• M20: 62,691,082 km (0.059 R)
• M21: 65,353,625 km (0.066 R)
• M22: 67,452,483 km (0.087 R)
• M23: 68,304,293 km (0.067 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: 316 - 13,041 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit