🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.51 AU - 0.83 AU

Year: 172 Days

Day: 39.7 Hours

Environment

Temp: 255 °C

Axial Tilt: 88 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.6 AU - 0.86 AU

Year: 195 Days

Day: 24.2 Hours

Environment

Temp: 290 °C

Axial Tilt: 23.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.05 AU - 1.21 AU

Year: 376 Days

Day: 33.7 Hours

Environment

Temp: 155 °C

Axial Tilt: 9.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 77,827,116 km

• M1: 77,043 km (0.085 R)
• M2: 985,551 km (0.108 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.13 AU - 2.73 AU

Year: 1186 Days

Day: 43.8 Hours

Environment

Temp: -21 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.41

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.02 AU - 3.04 AU

Year: 1260 Days

Day: 35.7 Hours

Environment

Temp: -37 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.11 AU - 3.27 AU

Year: 1382 Days

Day: 16.6 Hours

Environment

Temp: -41 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,827,116 km

• M1: 1,576,313 km (0.091 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.85 AU - 5.09 AU

Year: 2960 Days

Day: 34 Hours

Environment

Temp: -87 °C

Axial Tilt: 5.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 5.15 AU - 6.59 AU

Year: 4454 Days

Day: 22.6 Hours

Environment

Temp: -113 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Terrestrial

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.06 AU - 7.16 AU

Year: 5323 Days

Day: 38.4 Hours

Environment

Temp: -121 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 10 - Ice Giant

Semi-Major Axis: 16.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 644.1

Radius: 6.5

Gravity: 15.24 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 14.76 AU - 18.6 AU

Year: 21336 Days

Day: 23.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 77,827,116 km

• M1: 300,692 km (0.085 R)
• M2: 425,756 km (0.074 R)
• M3: 505,192 km (0.064 R)
• M4: 589,864 km (0.094 R)
• M5: 750,084 km (0.101 R)
• M6: 1,310,178 km (0.116 R)
• M7: 1,582,895 km (0.048 R)
• M8: 1,677,740 km (0.091 R)
• M9: 2,041,562 km (0.108 R)
• M10: 2,763,970 km (0.111 R)
• M11: 2,956,054 km (0.1 R)
• M12: 3,152,476 km (0.081 R)
• M13: 3,641,212 km (0.108 R)
• M14: 4,109,902 km (0.09 R)
• M15: 4,871,206 km (0.115 R)
• M16: 6,067,690 km (0.1 R)
• M17: 6,367,783 km (0.104 R)
• M18: 6,827,048 km (0.107 R)
• M19: 6,878,809 km (0.112 R)
• M20: 7,086,900 km (0.117 R)
• M21: 8,268,125 km (0.108 R)
• M22: 8,600,681 km (0.089 R)
• M23: 8,824,928 km (0.101 R)
• M24: 9,050,970 km (0.074 R)
• M25: 9,107,818 km (0.029 R)
• M26: 10,210,204 km (0.104 R)
• M27: 10,746,812 km (0.08 R)
• M28: 11,231,659 km (0.036 R)
• M29: 11,353,880 km (0.049 R)
• M30: 11,538,185 km (0.109 R)
• M31: 12,601,227 km (0.064 R)
• M32: 13,112,253 km (0.094 R)
• M33: 13,435,086 km (0.118 R)
• M34: 14,220,474 km (0.085 R)
• M35: 14,618,704 km (0.115 R)
• M36: 15,290,698 km (0.093 R)
• M37: 16,874,041 km (0.112 R)
• M38: 17,720,616 km (0.114 R)
• M39: 18,149,064 km (0.118 R)
• M40: 19,089,137 km (0.12 R)
• M41: 19,381,601 km (0.087 R)
• M42: 19,896,966 km (0.1 R)
• M43: 20,416,818 km (0.073 R)
• M44: 22,309,530 km (0.1 R)
• M45: 26,016,566 km (0.078 R)
• M46: 26,340,744 km (0.109 R)
• M47: 26,421,976 km (0.106 R)
• M48: 28,313,791 km (0.072 R)
• M49: 28,647,244 km (0.078 R)
• M50: 29,149,893 km (0.088 R)
• M51: 29,655,384 km (0.119 R)
• M52: 30,333,960 km (0.082 R)
• M53: 30,760,613 km (0.084 R)
• M54: 32,661,703 km (0.113 R)
• M55: 33,011,313 km (0.079 R)
• M56: 36,939,155 km (0.05 R)
• M57: 37,030,111 km (0.056 R)
• M58: 37,394,681 km (0.078 R)
• M59: 38,403,569 km (0.07 R)
• M60: 40,260,677 km (0.115 R)
• M61: 41,578,035 km (0.079 R)
• M62: 43,676,445 km (0.057 R)
• M63: 44,448,071 km (0.037 R)
• M64: 44,835,529 km (0.112 R)
• M65: 47,480,270 km (0.082 R)
• M66: 49,973,767 km (0.118 R)
• M67: 50,376,634 km (0.067 R)
• M68: 50,679,570 km (0.088 R)
• M69: 51,693,544 km (0.081 R)
• M70: 53,227,072 km (0.094 R)
• M71: 55,398,934 km (0.089 R)
• M72: 57,810,751 km (0.118 R)
• M73: 59,615,200 km (0.076 R)
• M74: 59,721,864 km (0.109 R)
• M75: 60,149,414 km (0.082 R)
• M76: 60,470,750 km (0.098 R)
• M77: 62,085,959 km (0.109 R)
• M78: 62,627,503 km (0.094 R)
• M79: 62,844,570 km (0.077 R)
• M80: 65,138,653 km (0.11 R)
• M81: 65,468,516 km (0.039 R)
• M82: 65,578,620 km (0.08 R)
• M83: 70,258,640 km (0.086 R)
• M84: 71,275,457 km (0.05 R)
• M85: 71,388,702 km (0.084 R)
• M86: 71,728,888 km (0.116 R)
• M87: 72,752,736 km (0.025 R)
• M88: 72,866,729 km (0.056 R)
• M89: 73,437,894 km (0.066 R)
• M90: 77,128,473 km (0.059 R)
• M91: 77,827,095 km (0.078 R)

Kuiper Belt

Range: 35 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 557 - 16,986 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit