🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.61 AU - 0.65 AU

Year: 182 Days

Day: 25.3 Hours

Environment

Temp: 219 °C

Axial Tilt: 0.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.02 AU - 1.48 AU

Year: 508 Days

Day: 40.5 Hours

Environment

Temp: 13 °C

Axial Tilt: 19 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.27 AU - 1.41 AU

Year: 564 Days

Day: 37.1 Hours

Environment

Temp: 6 °C

Axial Tilt: 4.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 3.16 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.4

Radius: 10.7

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.07 AU - 5.89 AU

Year: 4039 Days

Day: 13.3 Hours

Environment

Temp: -129 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 81,085,897 km

• M1: 133,142 km (0.115 R)
• M2: 528,828 km (0.047 R)
• M3: 1,424,920 km (0.117 R)
• M4: 1,766,900 km (0.056 R)
• M5: 3,522,132 km (0.097 R)
• M6: 3,864,412 km (0.044 R)
• M7: 4,347,464 km (0.118 R)
• M8: 4,716,970 km (0.097 R)
• M9: 5,242,358 km (0.11 R)
• M10: 5,983,466 km (0.108 R)
• M11: 6,825,403 km (0.114 R)
• M12: 7,326,406 km (0.1 R)
• M13: 7,923,601 km (0.046 R)
• M14: 9,335,655 km (0.094 R)
• M15: 9,869,570 km (0.11 R)
• M16: 11,876,725 km (0.087 R)
• M17: 15,461,838 km (0.11 R)
• M18: 15,919,308 km (0.1 R)
• M19: 16,444,845 km (0.119 R)
• M20: 16,921,614 km (0.077 R)
• M21: 17,778,211 km (0.052 R)
• M22: 18,727,858 km (0.115 R)
• M23: 22,138,241 km (0.051 R)
• M24: 24,758,298 km (0.035 R)
• M25: 27,495,041 km (0.047 R)
• M26: 28,336,829 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581

Radius: 12.5

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.86 AU - 6.42 AU

Year: 4235 Days

Day: 12.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,085,897 km

• M1: 155,582 km (0.108 R)
• M2: 592,258 km (0.083 R)
• M3: 1,283,699 km (0.098 R)
• M4: 1,857,557 km (0.11 R)
• M5: 3,877,876 km (0.057 R)
• M6: 4,386,808 km (0.104 R)
• M7: 5,485,754 km (0.104 R)
• M8: 6,246,309 km (0.091 R)
• M9: 7,467,327 km (0.117 R)
• M10: 8,047,019 km (0.114 R)
• M11: 12,317,889 km (0.065 R)
• M12: 13,974,236 km (0.12 R)
• M13: 23,655,911 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.5

Radius: 14.6

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 8.78 AU - 12.84 AU

Year: 12917 Days

Day: 6.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 81,085,897 km

• M1: 181,612 km (0.042 R)
• M2: 744,549 km (0.117 R)
• M3: 1,255,874 km (0.105 R)
• M4: 2,174,255 km (0.106 R)
• M5: 2,705,926 km (0.119 R)
• M6: 4,007,577 km (0.119 R)
• M7: 5,120,586 km (0.089 R)
• M8: 8,430,887 km (0.069 R)
• M9: 10,760,425 km (0.096 R)
• M10: 16,580,082 km (0.12 R)
• M11: 19,677,954 km (0.117 R)
• M12: 23,047,198 km (0.117 R)
• M13: 26,466,706 km (0.057 R)
• M14: 27,317,918 km (0.063 R)
• M15: 28,628,993 km (0.11 R)
• M16: 29,639,527 km (0.047 R)
• M17: 30,557,609 km (0.065 R)
• M18: 32,814,143 km (0.095 R)
• M19: 34,672,598 km (0.101 R)
• M20: 35,949,864 km (0.085 R)
• M21: 40,109,284 km (0.114 R)
• M22: 41,232,614 km (0.027 R)
• M23: 42,521,250 km (0.079 R)
• M24: 43,102,587 km (0.025 R)
• M25: 48,892,623 km (0.104 R)
• M26: 53,814,992 km (0.084 R)
• M27: 54,666,353 km (0.078 R)
• M28: 60,328,782 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 509.2

Radius: 4.5

Gravity: 25.15 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 16.37 AU - 17.67 AU

Year: 25519 Days

Day: 21.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,085,897 km

• M1: 92,900 km (0.069 R)
• M2: 250,876 km (0.098 R)
• M3: 723,904 km (0.105 R)
• M4: 918,830 km (0.111 R)
• M5: 1,546,842 km (0.107 R)
• M6: 3,157,263 km (0.097 R)
• M7: 3,650,637 km (0.108 R)
• M8: 4,467,292 km (0.093 R)
• M9: 5,559,356 km (0.074 R)
• M10: 19,555,134 km (0.034 R)
• M11: 24,755,605 km (0.106 R)
• M12: 30,048,827 km (0.032 R)
• M13: 34,103,976 km (0.117 R)
• M14: 37,774,061 km (0.099 R)
• M15: 52,864,297 km (0.078 R)
• M16: 74,468,174 km (0.064 R)
• M17: 79,156,721 km (0.092 R)

Kuiper Belt

Range: 30.2 - 56.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 16,479 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit