🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.57 AU - 0.71 AU

Year: 195 Days

Day: 31 Hours

Environment

Temp: 143 °C

Axial Tilt: 39.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.71 AU - 0.87 AU

Year: 267 Days

Day: 21.8 Hours

Environment

Temp: 101 °C

Axial Tilt: 0.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.73 AU - 0.87 AU

Year: 272 Days

Day: 35.1 Hours

Environment

Temp: 166 °C

Axial Tilt: 12.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.15 AU - 1.37 AU

Year: 539 Days

Day: 35.4 Hours

Environment

Temp: -26 °C

Axial Tilt: 26.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.34 AU - 1.6 AU

Year: 679 Days

Day: 14.7 Hours

Environment

Temp: -60 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,252,382 km

• M1: 493,224 km (0.09 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.69 AU - 3.77 AU

Year: 2211 Days

Day: 22.9 Hours

Environment

Temp: -126 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.17 AU - 4.69 AU

Year: 2967 Days

Day: 45.3 Hours

Environment

Temp: -132 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.71 AU - 4.47 AU

Year: 3150 Days

Day: 33.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 16.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.2 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 12.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 275.4

Radius: 4.4

Gravity: 14.23 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 10.82 AU - 13.78 AU

Year: 16427 Days

Day: 16.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 49,252,382 km

• M1: 111,450 km (0.118 R)
• M2: 604,824 km (0.109 R)
• M3: 1,231,190 km (0.07 R)
• M4: 1,541,008 km (0.098 R)
• M5: 1,825,244 km (0.119 R)
• M6: 2,281,368 km (0.09 R)
• M7: 2,576,823 km (0.102 R)
• M8: 2,715,201 km (0.114 R)
• M9: 2,827,549 km (0.079 R)
• M10: 3,144,547 km (0.082 R)
• M11: 3,533,651 km (0.097 R)
• M12: 3,749,371 km (0.055 R)
• M13: 3,969,430 km (0.089 R)
• M14: 4,193,677 km (0.096 R)
• M15: 4,226,140 km (0.118 R)
• M16: 4,488,086 km (0.106 R)
• M17: 4,654,588 km (0.112 R)
• M18: 5,552,325 km (0.118 R)
• M19: 5,623,534 km (0.04 R)
• M20: 5,839,104 km (0.039 R)
• M21: 5,911,659 km (0.116 R)
• M22: 7,033,793 km (0.113 R)
• M23: 7,227,073 km (0.103 R)
• M24: 8,017,698 km (0.115 R)
• M25: 8,058,089 km (0.09 R)
• M26: 8,098,331 km (0.087 R)
• M27: 9,254,274 km (0.119 R)
• M28: 9,338,797 km (0.105 R)
• M29: 9,423,619 km (0.119 R)
• M30: 9,551,226 km (0.091 R)
• M31: 9,722,366 km (0.041 R)
• M32: 9,894,403 km (0.11 R)
• M33: 9,937,637 km (0.099 R)
• M34: 11,488,368 km (0.072 R)
• M35: 11,533,697 km (0.104 R)
• M36: 12,083,170 km (0.06 R)
• M37: 12,175,621 km (0.108 R)
• M38: 12,500,847 km (0.084 R)
• M39: 12,547,521 km (0.063 R)
• M40: 13,302,691 km (0.075 R)
• M41: 14,169,611 km (0.087 R)
• M42: 14,609,878 km (0.099 R)
• M43: 15,154,115 km (0.095 R)
• M44: 17,500,857 km (0.11 R)
• M45: 18,184,369 km (0.05 R)
• M46: 18,343,242 km (0.074 R)
• M47: 18,662,634 km (0.036 R)
• M48: 20,837,637 km (0.075 R)
• M49: 21,449,791 km (0.06 R)
• M50: 22,520,763 km (0.053 R)
• M51: 24,188,779 km (0.089 R)
• M52: 25,599,038 km (0.075 R)
• M53: 25,717,669 km (0.079 R)
• M54: 26,313,966 km (0.05 R)
• M55: 26,493,783 km (0.103 R)
• M56: 26,975,189 km (0.085 R)
• M57: 28,007,863 km (0.118 R)
• M58: 28,744,483 km (0.079 R)
• M59: 28,991,469 km (0.087 R)
• M60: 30,992,490 km (0.083 R)
• M61: 32,586,455 km (0.108 R)
• M62: 32,715,110 km (0.111 R)
• M63: 32,843,913 km (0.081 R)
• M64: 33,685,551 km (0.115 R)
• M65: 34,796,614 km (0.051 R)
• M66: 37,930,690 km (0.069 R)
• M67: 38,541,049 km (0.096 R)
• M68: 40,046,602 km (0.092 R)
• M69: 40,115,417 km (0.114 R)
• M70: 40,460,539 km (0.084 R)
• M71: 41,014,650 km (0.093 R)
• M72: 41,223,040 km (0.11 R)
• M73: 42,340,835 km (0.075 R)
• M74: 43,044,394 km (0.09 R)
• M75: 44,963,286 km (0.042 R)
• M76: 45,824,969 km (0.074 R)
• M77: 46,185,650 km (0.057 R)
• M78: 46,764,743 km (0.07 R)
• M79: 48,589,688 km (0.084 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 12,779 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit