🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.63 AU - 0.77 AU

Year: 219 Days

Day: 47.9 Hours

Environment

Temp: 119 °C

Axial Tilt: 31.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.82 AU - 1.08 AU

Year: 347 Days

Day: 20.8 Hours

Environment

Temp: 20 °C

Axial Tilt: 43.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.56 AU - 1.58 AU

Year: 737 Days

Day: 35.1 Hours

Environment

Temp: -56 °C

Axial Tilt: 0.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 102,611,913 km

• M1: 46,525 km (0.077 R)
• M2: 362,176 km (0.104 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.46 AU - 2.06 AU

Year: 875 Days

Day: 44.1 Hours

Environment

Temp: -64 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 102,611,913 km

• M1: 1,020,557 km (0.104 R)
• M2: 1,041,201 km (0.064 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.91 AU - 3.53 AU

Year: 2165 Days

Day: 37.9 Hours

Environment

Temp: -108 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.47 AU - 4.07 AU

Year: 2216 Days

Day: 13.6 Hours

Environment

Temp: -112 °C

Axial Tilt: 71.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 102,611,913 km

• M1: 1,667,418 km (0.109 R)
• M2: 1,720,525 km (0.048 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.2 AU - 4.38 AU

Year: 3330 Days

Day: 39 Hours

Environment

Temp: -126 °C

Axial Tilt: 20.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 11.55 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 18.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 720.2

Radius: 6.4

Gravity: 17.58 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 15.53 AU - 22.07 AU

Year: 30547 Days

Day: 18.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 102,611,913 km

• M1: 115,789 km (0.114 R)
• M2: 182,061 km (0.061 R)
• M3: 327,171 km (0.111 R)
• M4: 559,945 km (0.08 R)
• M5: 2,443,232 km (0.06 R)
• M6: 2,710,713 km (0.06 R)
• M7: 2,847,895 km (0.111 R)
• M8: 3,273,501 km (0.109 R)
• M9: 3,922,755 km (0.057 R)
• M10: 4,341,779 km (0.081 R)
• M11: 4,448,741 km (0.099 R)
• M12: 4,610,906 km (0.118 R)
• M13: 4,941,068 km (0.113 R)
• M14: 6,095,814 km (0.052 R)
• M15: 6,336,517 km (0.059 R)
• M16: 7,844,613 km (0.102 R)
• M17: 8,172,232 km (0.064 R)
• M18: 8,571,210 km (0.1 R)
• M19: 8,976,620 km (0.103 R)
• M20: 9,388,314 km (0.088 R)
• M21: 9,666,117 km (0.089 R)
• M22: 9,806,140 km (0.066 R)
• M23: 9,946,762 km (0.103 R)
• M24: 10,372,518 km (0.066 R)
• M25: 11,315,583 km (0.07 R)
• M26: 11,984,435 km (0.065 R)
• M27: 13,050,170 km (0.108 R)
• M28: 13,360,287 km (0.065 R)
• M29: 14,304,997 km (0.117 R)
• M30: 14,544,503 km (0.046 R)
• M31: 14,624,538 km (0.098 R)
• M32: 16,507,975 km (0.096 R)
• M33: 17,096,194 km (0.102 R)
• M34: 17,265,389 km (0.086 R)
• M35: 19,164,385 km (0.056 R)
• M36: 21,950,346 km (0.119 R)
• M37: 24,287,364 km (0.076 R)
• M38: 25,824,183 km (0.086 R)
• M39: 26,997,180 km (0.104 R)
• M40: 27,590,186 km (0.108 R)
• M41: 28,688,533 km (0.08 R)
• M42: 29,699,516 km (0.054 R)
• M43: 34,497,269 km (0.106 R)
• M44: 35,140,540 km (0.051 R)
• M45: 35,679,691 km (0.087 R)
• M46: 36,657,013 km (0.105 R)
• M47: 38,971,293 km (0.056 R)
• M48: 39,305,793 km (0.088 R)
• M49: 41,787,622 km (0.078 R)
• M50: 41,901,616 km (0.09 R)
• M51: 42,358,637 km (0.073 R)
• M52: 42,817,454 km (0.081 R)
• M53: 43,971,452 km (0.117 R)
• M54: 46,309,966 km (0.066 R)
• M55: 48,090,180 km (0.034 R)
• M56: 49,651,084 km (0.07 R)
• M57: 54,931,141 km (0.108 R)
• M58: 55,180,970 km (0.09 R)
• M59: 57,320,369 km (0.031 R)
• M60: 58,846,716 km (0.107 R)
• M61: 59,871,761 km (0.114 R)
• M62: 61,679,651 km (0.105 R)
• M63: 62,459,953 km (0.103 R)
• M64: 62,590,253 km (0.071 R)
• M65: 64,820,309 km (0.105 R)
• M66: 67,878,687 km (0.093 R)
• M67: 68,012,578 km (0.088 R)
• M68: 68,146,767 km (0.072 R)
• M69: 68,684,122 km (0.105 R)
• M70: 70,983,591 km (0.109 R)
• M71: 75,379,973 km (0.102 R)
• M72: 75,796,604 km (0.09 R)
• M73: 77,331,029 km (0.096 R)
• M74: 77,470,903 km (0.117 R)
• M75: 77,751,249 km (0.102 R)
• M76: 78,875,477 km (0.036 R)
• M77: 79,722,201 km (0.108 R)
• M78: 80,998,122 km (0.11 R)
• M79: 81,140,239 km (0.09 R)
• M80: 82,280,624 km (0.074 R)
• M81: 84,433,038 km (0.052 R)
• M82: 92,779,253 km (0.113 R)
• M83: 94,569,640 km (0.038 R)
• M84: 97,427,408 km (0.062 R)
• M85: 98,032,681 km (0.095 R)
• M86: 98,942,984 km (0.048 R)
• M87: 99,551,399 km (0.083 R)
• M88: 99,703,690 km (0.047 R)
• M89: 100,008,421 km (0.082 R)
• M90: 102,150,812 km (0.089 R)
• M91: 102,611,872 km (0.083 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 14,103 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit