🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.95 AU - 1.01 AU

Year: 364 Days

Day: 45.8 Hours

Environment

Temp: 33 °C

Axial Tilt: 2.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.08 AU - 1.24 AU

Year: 468 Days

Day: 18.4 Hours

Environment

Temp: -2 °C

Axial Tilt: 11.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.04 AU - 1.4 AU

Year: 505 Days

Day: 46.1 Hours

Environment

Temp: -0 °C

Axial Tilt: 16.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.85 AU - 3.31 AU

Year: 2026 Days

Day: 47.7 Hours

Environment

Temp: -105 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.2 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.8

Radius: 14.6

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 6.92 AU - 7.7 AU

Year: 7406 Days

Day: 10.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 102,448,653 km

• M1: 181,612 km (0.064 R)
• M2: 643,271 km (0.111 R)
• M3: 1,441,525 km (0.089 R)
• M4: 3,479,347 km (0.12 R)
• M5: 4,276,405 km (0.06 R)
• M6: 5,938,587 km (0.066 R)
• M7: 6,509,303 km (0.12 R)
• M8: 7,340,020 km (0.095 R)
• M9: 7,998,549 km (0.097 R)
• M10: 10,026,947 km (0.092 R)
• M11: 10,644,038 km (0.095 R)
• M12: 11,694,514 km (0.088 R)
• M13: 15,139,753 km (0.074 R)
• M14: 18,288,639 km (0.115 R)
• M15: 23,381,100 km (0.097 R)
• M16: 25,589,165 km (0.074 R)
• M17: 27,655,560 km (0.109 R)
• M18: 29,061,780 km (0.067 R)
• M19: 32,837,181 km (0.069 R)
• M20: 33,671,788 km (0.044 R)
• M21: 36,704,735 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.3

Radius: 8.6

Gravity: 12 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 9.19 AU - 9.21 AU

Year: 10457 Days

Day: 12.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 102,448,653 km

• M1: 106,962 km (0.12 R)
• M2: 447,148 km (0.063 R)
• M3: 786,586 km (0.052 R)
• M4: 1,350,570 km (0.067 R)
• M5: 2,072,978 km (0.101 R)
• M6: 2,655,512 km (0.087 R)
• M7: 3,468,576 km (0.089 R)
• M8: 3,782,582 km (0.105 R)
• M9: 5,649,264 km (0.088 R)
• M10: 6,702,284 km (0.067 R)
• M11: 7,026,014 km (0.026 R)
• M12: 7,360,066 km (0.037 R)
• M13: 8,380,024 km (0.088 R)
• M14: 10,427,420 km (0.098 R)
• M15: 11,886,299 km (0.102 R)
• M16: 13,668,907 km (0.086 R)
• M17: 15,273,344 km (0.118 R)
• M18: 18,932,059 km (0.082 R)
• M19: 19,662,247 km (0.066 R)
• M20: 21,265,337 km (0.092 R)
• M21: 22,411,107 km (0.11 R)
• M22: 23,044,954 km (0.089 R)
• M23: 25,406,206 km (0.084 R)
• M24: 26,897,996 km (0.117 R)
• M25: 27,820,566 km (0.084 R)
• M26: 33,803,883 km (0.056 R)
• M27: 34,278,557 km (0.037 R)
• M28: 34,998,721 km (0.091 R)
• M29: 39,271,835 km (0.036 R)
• M30: 41,128,195 km (0.064 R)
• M31: 45,301,526 km (0.109 R)
• M32: 46,460,312 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 997.3

Radius: 7.1

Gravity: 19.78 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 15.64 AU - 18.04 AU

Year: 25897 Days

Day: 18.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 102,448,653 km

• M1: 104,419 km (0.089 R)
• M2: 381,325 km (0.096 R)
• M3: 675,434 km (0.076 R)
• M4: 1,301,501 km (0.115 R)
• M5: 1,706,912 km (0.084 R)
• M6: 2,287,501 km (0.059 R)
• M7: 2,769,954 km (0.041 R)
• M8: 3,634,630 km (0.056 R)
• M9: 8,113,590 km (0.098 R)
• M10: 9,169,302 km (0.05 R)
• M11: 10,051,631 km (0.066 R)
• M12: 11,058,424 km (0.076 R)
• M13: 18,354,911 km (0.069 R)
• M14: 19,446,676 km (0.12 R)
• M15: 19,751,706 km (0.086 R)
• M16: 20,267,370 km (0.071 R)
• M17: 20,791,860 km (0.11 R)
• M18: 21,541,495 km (0.094 R)
• M19: 24,958,909 km (0.086 R)
• M20: 26,421,527 km (0.077 R)
• M21: 27,811,591 km (0.102 R)
• M22: 33,568,565 km (0.118 R)
• M23: 34,007,785 km (0.091 R)
• M24: 38,613,305 km (0.097 R)
• M25: 42,755,371 km (0.079 R)
• M26: 46,094,694 km (0.091 R)
• M27: 49,226,227 km (0.092 R)
• M28: 59,466,949 km (0.099 R)
• M29: 64,968,410 km (0.065 R)
• M30: 65,879,013 km (0.112 R)
• M31: 67,029,121 km (0.074 R)
• M32: 69,369,430 km (0.106 R)
• M33: 75,207,637 km (0.071 R)
• M34: 78,245,820 km (0.053 R)
• M35: 79,535,503 km (0.106 R)
• M36: 80,839,249 km (0.12 R)
• M37: 91,217,451 km (0.107 R)
• M38: 96,428,992 km (0.099 R)
• M39: 97,316,556 km (0.101 R)
• M40: 97,613,508 km (0.086 R)
• M41: 100,920,968 km (0.099 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 16,060 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit