🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.1 AU - 1.18 AU

Year: 434 Days

Day: 14.3 Hours

Environment

Temp: 32 °C

Axial Tilt: 46.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.87 AU - 2.47 AU

Year: 1139 Days

Day: 26.4 Hours

Environment

Temp: -74 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.72 AU - 2.74 AU

Year: 1608 Days

Day: 30.1 Hours

Environment

Temp: -89 °C

Axial Tilt: 25.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.4

Radius: 11.4

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5.12 AU - 6.26 AU

Year: 4838 Days

Day: 5.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 93,741,209 km

• M1: 195,076 km (0.09 R)
• M2: 563,685 km (0.118 R)
• M3: 1,077,105 km (0.12 R)
• M4: 1,942,080 km (0.114 R)
• M5: 2,358,859 km (0.083 R)
• M6: 3,289,956 km (0.103 R)
• M7: 4,063,228 km (0.106 R)
• M8: 4,818,996 km (0.044 R)
• M9: 5,493,832 km (0.112 R)
• M10: 7,839,527 km (0.085 R)
• M11: 9,817,061 km (0.107 R)
• M12: 10,595,120 km (0.119 R)
• M13: 12,741,999 km (0.086 R)
• M14: 13,986,354 km (0.065 R)
• M15: 14,875,713 km (0.091 R)
• M16: 16,254,706 km (0.054 R)
• M17: 17,396,437 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 335.5

Radius: 6.6

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 13.59 AU - 19.97 AU

Year: 24501 Days

Day: 22.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 108.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 93,741,209 km

• M1: 119,828 km (0.104 R)
• M2: 938,577 km (0.085 R)
• M3: 1,860,848 km (0.095 R)
• M4: 2,683,786 km (0.086 R)
• M5: 5,688,758 km (0.112 R)
• M6: 9,341,639 km (0.062 R)
• M7: 13,120,930 km (0.029 R)
• M8: 14,168,265 km (0.088 R)
• M9: 14,749,004 km (0.077 R)
• M10: 16,349,102 km (0.1 R)
• M11: 20,802,781 km (0.108 R)
• M12: 24,114,878 km (0.062 R)
• M13: 26,003,102 km (0.095 R)
• M14: 26,218,822 km (0.098 R)
• M15: 33,006,825 km (0.103 R)
• M16: 39,440,731 km (0.08 R)
• M17: 41,170,531 km (0.077 R)
• M18: 50,081,478 km (0.073 R)
• M19: 55,428,105 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 699.6

Radius: 4.8

Gravity: 30.36 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 15.53 AU - 20.33 AU

Year: 27062 Days

Day: 24.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 93,741,209 km

• M1: 59,690 km (0.063 R)
• M2: 316,699 km (0.073 R)
• M3: 553,213 km (0.063 R)
• M4: 797,955 km (0.11 R)
• M5: 1,098,647 km (0.071 R)
• M6: 1,687,314 km (0.043 R)
• M7: 2,297,524 km (0.095 R)
• M8: 2,904,891 km (0.093 R)
• M9: 3,840,028 km (0.054 R)
• M10: 5,200,172 km (0.057 R)
• M11: 5,877,252 km (0.118 R)
• M12: 6,422,237 km (0.088 R)
• M13: 7,100,065 km (0.1 R)
• M14: 7,664,946 km (0.107 R)
• M15: 8,826,125 km (0.044 R)
• M16: 9,297,807 km (0.071 R)
• M17: 11,284,915 km (0.071 R)
• M18: 13,080,688 km (0.084 R)
• M19: 14,085,836 km (0.048 R)
• M20: 17,869,466 km (0.117 R)
• M21: 20,193,917 km (0.106 R)
• M22: 25,668,451 km (0.083 R)
• M23: 27,733,949 km (0.089 R)
• M24: 29,646,259 km (0.038 R)
• M25: 32,330,344 km (0.039 R)
• M26: 36,653,423 km (0.117 R)
• M27: 37,409,341 km (0.077 R)
• M28: 44,005,410 km (0.09 R)
• M29: 44,687,577 km (0.102 R)
• M30: 46,953,536 km (0.12 R)
• M31: 48,929,574 km (0.098 R)
• M32: 61,113,273 km (0.095 R)
• M33: 62,389,642 km (0.115 R)
• M34: 64,118,844 km (0.062 R)
• M35: 70,888,297 km (0.116 R)
• M36: 71,355,940 km (0.085 R)
• M37: 77,870,030 km (0.093 R)
• M38: 79,621,372 km (0.075 R)

Kuiper Belt

Range: 30.8 - 54.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 238 - 16,854 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit