🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.6 AU - 0.96 AU

Year: 253 Days

Day: 22.9 Hours

Environment

Temp: 179 °C

Axial Tilt: 18.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,718,979 km

• M1: 461,210 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.08 AU - 1.22 AU

Year: 453 Days

Day: 42.1 Hours

Environment

Temp: -1 °C

Axial Tilt: 18.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 55,718,979 km

• M1: 685,607 km (0.083 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.99 AU - 3.17 AU

Year: 1521 Days

Day: 16.5 Hours

Environment

Temp: -87 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.3 AU - 4.88 AU

Year: 3610 Days

Day: 47 Hours

Environment

Temp: -139 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.09 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.5

Radius: 14.5

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.28 AU - 5.88 AU

Year: 4839 Days

Day: 12 Hours

Environment

Temp: -141 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,718,979 km

• M1: 182,061 km (0.116 R)
• M2: 793,318 km (0.12 R)
• M3: 1,613,563 km (0.029 R)
• M4: 2,585,500 km (0.051 R)
• M5: 3,184,340 km (0.099 R)
• M6: 3,965,540 km (0.06 R)
• M7: 4,563,333 km (0.06 R)
• M8: 5,030,677 km (0.08 R)
• M9: 6,002,016 km (0.108 R)
• M10: 7,725,384 km (0.053 R)
• M11: 25,726,047 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.4

Radius: 10.1

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.48 AU - 6.68 AU

Year: 4839 Days

Day: 12.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,718,979 km

• M1: 127,457 km (0.115 R)
• M2: 458,368 km (0.097 R)
• M3: 954,883 km (0.118 R)
• M4: 1,320,800 km (0.111 R)
• M5: 2,543,463 km (0.119 R)
• M6: 2,859,862 km (0.025 R)
• M7: 3,725,286 km (0.114 R)
• M8: 4,678,524 km (0.081 R)
• M9: 4,994,325 km (0.093 R)
• M10: 5,936,941 km (0.079 R)
• M11: 6,826,300 km (0.096 R)
• M12: 8,097,284 km (0.076 R)
• M13: 8,438,367 km (0.06 R)
• M14: 9,395,195 km (0.116 R)
• M15: 12,750,526 km (0.095 R)
• M16: 13,369,711 km (0.074 R)
• M17: 13,954,639 km (0.069 R)
• M18: 15,930,079 km (0.053 R)
• M19: 16,831,256 km (0.113 R)
• M20: 17,829,673 km (0.116 R)
• M21: 19,333,281 km (0.088 R)
• M22: 21,781,001 km (0.082 R)
• M23: 23,041,513 km (0.117 R)
• M24: 25,951,939 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.3

Radius: 12.8

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 7.21 AU - 7.89 AU

Year: 7615 Days

Day: 10.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,718,979 km

• M1: 165,904 km (0.118 R)
• M2: 781,200 km (0.093 R)
• M3: 1,790,836 km (0.102 R)
• M4: 2,932,118 km (0.098 R)
• M5: 3,540,533 km (0.096 R)
• M6: 4,124,114 km (0.096 R)
• M7: 5,011,678 km (0.1 R)
• M8: 5,716,135 km (0.054 R)
• M9: 8,535,606 km (0.117 R)
• M10: 11,409,680 km (0.117 R)
• M11: 13,996,676 km (0.12 R)
• M12: 14,431,707 km (0.083 R)
• M13: 15,263,471 km (0.119 R)
• M14: 16,399,218 km (0.066 R)
• M15: 22,258,518 km (0.112 R)
• M16: 22,681,281 km (0.09 R)
• M17: 25,607,864 km (0.115 R)
• M18: 27,209,609 km (0.067 R)
• M19: 30,716,482 km (0.065 R)
• M20: 36,116,816 km (0.103 R)
• M21: 44,614,723 km (0.078 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.3

Radius: 13.7

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 8.97 AU - 9.87 AU

Year: 10613 Days

Day: 11.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 55,718,979 km

• M1: 174,581 km (0.11 R)
• M2: 610,359 km (0.057 R)
• M3: 1,392,307 km (0.059 R)
• M4: 2,129,825 km (0.085 R)
• M5: 3,116,872 km (0.103 R)
• M6: 3,546,816 km (0.05 R)
• M7: 6,018,472 km (0.074 R)
• M8: 6,764,965 km (0.112 R)
• M9: 8,970,188 km (0.094 R)
• M10: 9,707,107 km (0.104 R)
• M11: 10,285,901 km (0.042 R)
• M12: 10,938,746 km (0.109 R)
• M13: 12,327,762 km (0.095 R)
• M14: 15,978,100 km (0.065 R)
• M15: 16,513,959 km (0.074 R)
• M16: 17,621,582 km (0.116 R)
• M17: 18,338,605 km (0.096 R)
• M18: 19,450,715 km (0.052 R)
• M19: 20,372,388 km (0.115 R)
• M20: 23,655,612 km (0.11 R)
• M21: 24,705,789 km (0.039 R)
• M22: 26,338,949 km (0.034 R)
• M23: 26,993,141 km (0.068 R)
• M24: 28,333,986 km (0.093 R)
• M25: 29,618,583 km (0.119 R)
• M26: 33,053,201 km (0.117 R)
• M27: 34,144,368 km (0.115 R)
• M28: 38,391,152 km (0.065 R)
• M29: 39,596,911 km (0.107 R)
• M30: 40,951,968 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 122.3

Radius: 4.3

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 16.86 AU - 20.52 AU

Year: 29661 Days

Day: 20.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,718,979 km

• M1: 55,351 km (0.116 R)
• M2: 193,430 km (0.107 R)
• M3: 485,595 km (0.117 R)
• M4: 813,364 km (0.112 R)
• M5: 1,843,495 km (0.065 R)
• M6: 1,982,022 km (0.098 R)
• M7: 2,127,581 km (0.119 R)
• M8: 2,440,091 km (0.087 R)
• M9: 3,974,815 km (0.054 R)
• M10: 4,763,047 km (0.082 R)
• M11: 6,094,916 km (0.03 R)
• M12: 9,264,447 km (0.116 R)
• M13: 10,040,261 km (0.08 R)
• M14: 11,779,187 km (0.092 R)
• M15: 12,750,675 km (0.109 R)
• M16: 13,001,701 km (0.026 R)
• M17: 16,423,602 km (0.092 R)
• M18: 17,021,545 km (0.099 R)
• M19: 19,641,901 km (0.101 R)
• M20: 23,631,377 km (0.119 R)
• M21: 25,565,827 km (0.116 R)
• M22: 48,385,038 km (0.048 R)
• M23: 53,089,592 km (0.109 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 235 - 16,024 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit