🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.44 AU - 0.7 AU

Year: 183 Days

Day: 45.3 Hours

Environment

Temp: 26 °C

Axial Tilt: 9.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.55 AU - 0.81 AU

Year: 238 Days

Day: 16.2 Hours

Environment

Temp: -2 °C

Axial Tilt: 5.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 48,768,245 km

• M1: 397,781 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.66 AU - 0.82 AU

Year: 270 Days

Day: 30.6 Hours

Environment

Temp: 1 °C

Axial Tilt: 27.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 1.25 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.38 AU - 2.12 AU

Year: 983 Days

Day: 35.7 Hours

Environment

Temp: -101 °C

Axial Tilt: 9.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.7

Radius: 14.1

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.77 AU - 3.53 AU

Year: 2374 Days

Day: 13.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,768,245 km

• M1: 175,478 km (0.087 R)
• M2: 726,447 km (0.077 R)
• M3: 1,186,610 km (0.107 R)
• M4: 1,861,297 km (0.084 R)
• M5: 2,372,323 km (0.093 R)
• M6: 3,023,373 km (0.074 R)
• M7: 3,527,817 km (0.059 R)
• M8: 7,288,408 km (0.087 R)
• M9: 7,781,184 km (0.111 R)
• M10: 9,428,406 km (0.091 R)
• M11: 10,370,573 km (0.052 R)
• M12: 11,762,432 km (0.089 R)
• M13: 14,777,128 km (0.097 R)
• M14: 15,711,965 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.5

Radius: 14

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.5 AU - 4.26 AU

Year: 3245 Days

Day: 7.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,768,245 km

• M1: 175,628 km (0.025 R)
• M2: 775,665 km (0.116 R)
• M3: 1,457,382 km (0.086 R)
• M4: 2,284,060 km (0.118 R)
• M5: 2,858,965 km (0.081 R)
• M6: 3,770,614 km (0.052 R)
• M7: 5,067,029 km (0.047 R)
• M8: 7,583,714 km (0.093 R)
• M9: 8,325,122 km (0.073 R)
• M10: 9,542,848 km (0.112 R)
• M11: 10,178,490 km (0.11 R)
• M12: 10,673,808 km (0.119 R)
• M13: 11,534,893 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.8

Radius: 13.5

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.13 AU - 5.53 AU

Year: 4507 Days

Day: 11.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,768,245 km

• M1: 167,849 km (0.095 R)
• M2: 609,911 km (0.054 R)
• M3: 1,321,548 km (0.071 R)
• M4: 1,785,301 km (0.107 R)
• M5: 2,691,266 km (0.08 R)
• M6: 3,967,036 km (0.111 R)
• M7: 4,647,707 km (0.09 R)
• M8: 5,176,984 km (0.082 R)
• M9: 5,666,468 km (0.117 R)
• M10: 7,323,713 km (0.071 R)
• M11: 8,809,220 km (0.081 R)
• M12: 10,207,063 km (0.096 R)
• M13: 11,316,929 km (0.114 R)
• M14: 12,056,242 km (0.039 R)
• M15: 13,971,693 km (0.084 R)
• M16: 15,975,108 km (0.112 R)
• M17: 16,738,955 km (0.057 R)
• M18: 18,280,860 km (0.1 R)
• M19: 18,815,223 km (0.098 R)
• M20: 19,238,137 km (0.12 R)
• M21: 20,418,015 km (0.08 R)
• M22: 21,645,615 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.7

Radius: 9.7

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 4.87 AU - 7.85 AU

Year: 6810 Days

Day: 12.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,768,245 km

• M1: 124,017 km (0.114 R)
• M2: 546,032 km (0.109 R)
• M3: 1,050,775 km (0.12 R)
• M4: 1,443,470 km (0.032 R)
• M5: 1,754,334 km (0.113 R)
• M6: 2,171,862 km (0.041 R)
• M7: 2,514,890 km (0.102 R)
• M8: 3,028,908 km (0.07 R)
• M9: 4,572,309 km (0.092 R)
• M10: 5,001,057 km (0.072 R)
• M11: 5,456,582 km (0.115 R)
• M12: 6,223,571 km (0.05 R)
• M13: 7,708,778 km (0.116 R)
• M14: 8,047,468 km (0.106 R)
• M15: 9,290,626 km (0.113 R)
• M16: 10,068,685 km (0.073 R)
• M17: 10,703,578 km (0.104 R)
• M18: 14,285,101 km (0.095 R)
• M19: 15,262,274 km (0.103 R)
• M20: 15,917,812 km (0.115 R)
• M21: 20,181,800 km (0.091 R)
• M22: 20,971,677 km (0.109 R)
• M23: 29,123,863 km (0.08 R)
• M24: 29,487,984 km (0.042 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.4

Radius: 12.5

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 7.08 AU - 8.6 AU

Year: 9321 Days

Day: 12.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,768,245 km

• M1: 155,432 km (0.111 R)
• M2: 667,356 km (0.118 R)
• M3: 1,203,066 km (0.066 R)
• M4: 2,184,727 km (0.035 R)
• M5: 5,958,782 km (0.077 R)
• M6: 7,731,218 km (0.118 R)
• M7: 10,119,099 km (0.074 R)
• M8: 11,116,917 km (0.039 R)

Planet 10 - Ice Giant

Semi-Major Axis: 12.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 204.4

Radius: 5

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 10.11 AU - 14.91 AU

Year: 18787 Days

Day: 22.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,768,245 km

• M1: 68,665 km (0.12 R)
• M2: 261,647 km (0.1 R)
• M3: 423,362 km (0.113 R)
• M4: 718,818 km (0.089 R)
• M5: 1,119,890 km (0.086 R)
• M6: 2,278,226 km (0.101 R)
• M7: 3,696,563 km (0.061 R)
• M8: 4,325,323 km (0.086 R)
• M9: 5,482,463 km (0.076 R)
• M10: 5,757,424 km (0.085 R)
• M11: 6,005,457 km (0.113 R)
• M12: 7,646,695 km (0.084 R)
• M13: 8,254,362 km (0.109 R)
• M14: 9,129,808 km (0.072 R)
• M15: 10,847,940 km (0.096 R)
• M16: 12,067,761 km (0.112 R)
• M17: 14,128,771 km (0.114 R)
• M18: 17,716,577 km (0.111 R)
• M19: 24,076,132 km (0.115 R)
• M20: 27,312,083 km (0.119 R)
• M21: 29,553,508 km (0.082 R)
• M22: 33,823,031 km (0.045 R)
• M23: 35,215,040 km (0.077 R)
• M24: 42,218,464 km (0.1 R)
• M25: 45,067,107 km (0.12 R)
• M26: 46,893,248 km (0.104 R)
• M27: 48,041,262 km (0.093 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 12,380 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit