🌌 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: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.64 AU - 0.74 AU

Year: 215 Days

Day: 27.8 Hours

Environment

Temp: 195 °C

Axial Tilt: 32.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 95,407,168 km

• M1: 207,791 km (0.091 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.56 AU - 0.94 AU

Year: 243 Days

Day: 37.3 Hours

Environment

Temp: 147 °C

Axial Tilt: 27.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.5 AU - 1.94 AU

Year: 845 Days

Day: 42.2 Hours

Environment

Temp: -58 °C

Axial Tilt: 1.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.34 AU - 2.64 AU

Year: 1472 Days

Day: 33.5 Hours

Environment

Temp: -89 °C

Axial Tilt: 108.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 95,407,168 km

• M1: 444,605 km (0.094 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.92 AU - 3.06 AU

Year: 1937 Days

Day: 22.4 Hours

Environment

Temp: -107 °C

Axial Tilt: 8.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.33 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 17.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698.4

Radius: 5.8

Gravity: 20.76 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 16.94 AU - 18.38 AU

Year: 27811 Days

Day: 18.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 95,407,168 km

• M1: 140,323 km (0.076 R)
• M2: 778,358 km (0.097 R)
• M3: 892,650 km (0.093 R)
• M4: 1,074,711 km (0.101 R)
• M5: 1,688,661 km (0.1 R)
• M6: 2,646,237 km (0.118 R)
• M7: 3,132,280 km (0.107 R)
• M8: 4,540,744 km (0.095 R)
• M9: 5,173,543 km (0.091 R)
• M10: 6,754,493 km (0.115 R)
• M11: 7,171,423 km (0.118 R)
• M12: 7,352,586 km (0.077 R)
• M13: 7,535,394 km (0.082 R)
• M14: 8,030,115 km (0.1 R)
• M15: 8,092,646 km (0.107 R)
• M16: 9,246,644 km (0.086 R)
• M17: 9,312,168 km (0.109 R)
• M18: 9,775,772 km (0.091 R)
• M19: 9,909,662 km (0.11 R)
• M20: 11,002,175 km (0.065 R)
• M21: 11,351,337 km (0.091 R)
• M22: 13,373,002 km (0.064 R)
• M23: 15,037,728 km (0.081 R)
• M24: 15,425,036 km (0.052 R)
• M25: 16,209,528 km (0.107 R)
• M26: 17,410,499 km (0.079 R)
• M27: 18,062,746 km (0.096 R)
• M28: 19,475,100 km (0.1 R)
• M29: 20,066,759 km (0.091 R)
• M30: 20,237,002 km (0.054 R)
• M31: 22,052,521 km (0.12 R)
• M32: 22,228,000 km (0.108 R)
• M33: 25,008,725 km (0.089 R)
• M34: 25,651,696 km (0.027 R)
• M35: 25,743,998 km (0.071 R)
• M36: 28,086,851 km (0.094 R)
• M37: 28,468,026 km (0.086 R)
• M38: 28,754,955 km (0.055 R)
• M39: 30,106,871 km (0.076 R)
• M40: 30,496,872 km (0.073 R)
• M41: 31,974,450 km (0.087 R)
• M42: 32,572,094 km (0.119 R)
• M43: 33,173,328 km (0.045 R)
• M44: 34,488,443 km (0.113 R)
• M45: 34,794,370 km (0.085 R)
• M46: 35,203,670 km (0.068 R)
• M47: 35,408,918 km (0.109 R)
• M48: 35,614,615 km (0.044 R)
• M49: 37,378,524 km (0.103 R)
• M50: 40,452,611 km (0.114 R)
• M51: 40,775,144 km (0.101 R)
• M52: 42,074,102 km (0.097 R)
• M53: 42,291,916 km (0.089 R)
• M54: 43,386,674 km (0.108 R)
• M55: 46,951,741 km (0.117 R)
• M56: 47,630,616 km (0.068 R)
• M57: 49,686,689 km (0.066 R)
• M58: 50,609,708 km (0.113 R)
• M59: 51,538,411 km (0.049 R)
• M60: 51,654,948 km (0.116 R)
• M61: 52,121,693 km (0.095 R)
• M62: 53,294,840 km (0.08 R)
• M63: 53,766,522 km (0.113 R)
• M64: 56,145,726 km (0.035 R)
• M65: 57,227,469 km (0.041 R)
• M66: 57,710,520 km (0.114 R)
• M67: 58,073,594 km (0.025 R)
• M68: 60,145,674 km (0.059 R)
• M69: 60,882,743 km (0.082 R)
• M70: 65,367,687 km (0.089 R)
• M71: 65,998,990 km (0.111 R)
• M72: 66,125,550 km (0.045 R)
• M73: 66,505,529 km (0.108 R)
• M74: 67,013,264 km (0.111 R)
• M75: 68,928,865 km (0.086 R)
• M76: 70,732,865 km (0.049 R)
• M77: 70,862,417 km (0.098 R)
• M78: 71,121,520 km (0.098 R)
• M79: 71,251,222 km (0.094 R)
• M80: 71,640,775 km (0.054 R)
• M81: 72,421,975 km (0.032 R)
• M82: 74,255,745 km (0.073 R)
• M83: 76,503,005 km (0.031 R)
• M84: 78,638,365 km (0.1 R)
• M85: 79,444,099 km (0.113 R)
• M86: 79,848,013 km (0.1 R)
• M87: 80,117,738 km (0.063 R)
• M88: 84,061,736 km (0.076 R)
• M89: 84,336,099 km (0.109 R)
• M90: 84,610,760 km (0.112 R)
• M91: 84,748,091 km (0.029 R)
• M92: 85,298,612 km (0.12 R)
• M93: 85,574,320 km (0.11 R)
• M94: 86,264,715 km (0.059 R)
• M95: 89,744,660 km (0.094 R)
• M96: 91,854,589 km (0.085 R)
• M97: 95,264,223 km (0.093 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: 168 - 18,734 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit