🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.44 AU - 0.66 AU

Year: 150 Days

Day: 34.7 Hours

Environment

Temp: 245 °C

Axial Tilt: 36.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 90,720,339 km

• M1: 30,817 km (0.049 R)
• M2: 200,312 km (0.079 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.61 AU - 0.79 AU

Year: 216 Days

Day: 32.1 Hours

Environment

Temp: 154 °C

Axial Tilt: 10.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.02 AU - 1.32 AU

Year: 467 Days

Day: 36.2 Hours

Environment

Temp: 16 °C

Axial Tilt: 18.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 90,720,339 km

• M1: 173,384 km (0.065 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.02 AU - 1.56 AU

Year: 541 Days

Day: 22.1 Hours

Environment

Temp: -13 °C

Axial Tilt: 45.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.75 AU - 1.83 AU

Year: 884 Days

Day: 33 Hours

Environment

Temp: -60 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.98 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 16.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806.9

Radius: 4.7

Gravity: 36.53 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 14.33 AU - 18.01 AU

Year: 23991 Days

Day: 20 Hours

Environment

Temp: -189 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 90,720,339 km

• M1: 73,303 km (0.099 R)
• M2: 123,269 km (0.095 R)
• M3: 208,689 km (0.057 R)
• M4: 483,201 km (0.117 R)
• M5: 601,982 km (0.068 R)
• M6: 756,666 km (0.117 R)
• M7: 1,041,800 km (0.115 R)
• M8: 1,102,686 km (0.092 R)
• M9: 1,773,632 km (0.066 R)
• M10: 2,713,107 km (0.08 R)
• M11: 3,548,162 km (0.12 R)
• M12: 4,505,589 km (0.083 R)
• M13: 4,555,405 km (0.067 R)
• M14: 5,012,576 km (0.051 R)
• M15: 5,378,193 km (0.109 R)
• M16: 5,698,332 km (0.103 R)
• M17: 6,413,261 km (0.066 R)
• M18: 7,272,551 km (0.083 R)
• M19: 12,077,934 km (0.1 R)
• M20: 13,347,421 km (0.08 R)
• M21: 14,881,248 km (0.088 R)
• M22: 15,555,635 km (0.037 R)
• M23: 15,631,033 km (0.054 R)
• M24: 16,163,302 km (0.064 R)
• M25: 16,393,084 km (0.045 R)
• M26: 17,480,212 km (0.101 R)
• M27: 17,716,128 km (0.098 R)
• M28: 18,670,413 km (0.061 R)
• M29: 19,315,927 km (0.066 R)
• M30: 19,478,391 km (0.086 R)
• M31: 21,547,778 km (0.107 R)
• M32: 21,716,375 km (0.086 R)
• M33: 23,166,577 km (0.083 R)
• M34: 25,800,995 km (0.046 R)
• M35: 27,335,271 km (0.05 R)
• M36: 27,792,143 km (0.113 R)
• M37: 28,899,017 km (0.102 R)
• M38: 29,457,766 km (0.054 R)
• M39: 31,250,696 km (0.047 R)
• M40: 32,594,234 km (0.099 R)
• M41: 32,884,604 km (0.11 R)
• M42: 34,349,167 km (0.036 R)
• M43: 34,644,623 km (0.099 R)
• M44: 36,937,809 km (0.069 R)
• M45: 37,038,638 km (0.108 R)
• M46: 38,766,343 km (0.116 R)
• M47: 39,794,829 km (0.099 R)
• M48: 40,208,766 km (0.111 R)
• M49: 40,520,079 km (0.065 R)
• M50: 42,299,696 km (0.11 R)
• M51: 42,510,629 km (0.12 R)
• M52: 42,933,841 km (0.074 R)
• M53: 43,358,250 km (0.101 R)
• M54: 44,532,893 km (0.086 R)
• M55: 45,826,166 km (0.117 R)
• M56: 47,131,557 km (0.087 R)
• M57: 50,560,340 km (0.099 R)
• M58: 51,345,580 km (0.105 R)
• M59: 52,361,200 km (0.118 R)
• M60: 54,297,594 km (0.025 R)
• M61: 56,954,303 km (0.033 R)
• M62: 58,357,232 km (0.085 R)
• M63: 59,062,885 km (0.065 R)
• M64: 61,077,669 km (0.099 R)
• M65: 61,555,036 km (0.033 R)
• M66: 62,874,040 km (0.104 R)
• M67: 63,960,121 km (0.062 R)
• M68: 64,202,320 km (0.04 R)
• M69: 65,052,484 km (0.116 R)
• M70: 65,784,168 km (0.083 R)
• M71: 66,150,982 km (0.047 R)
• M72: 67,009,524 km (0.118 R)
• M73: 67,501,850 km (0.116 R)
• M74: 68,118,942 km (0.104 R)
• M75: 68,366,227 km (0.101 R)
• M76: 68,613,961 km (0.113 R)
• M77: 69,482,975 km (0.089 R)
• M78: 69,981,286 km (0.107 R)
• M79: 71,106,710 km (0.114 R)
• M80: 71,986,047 km (0.119 R)
• M81: 74,646,046 km (0.118 R)
• M82: 74,900,961 km (0.057 R)
• M83: 75,156,325 km (0.116 R)
• M84: 76,822,695 km (0.074 R)
• M85: 76,951,499 km (0.103 R)
• M86: 77,209,107 km (0.104 R)
• M87: 82,684,389 km (0.068 R)
• M88: 85,202,121 km (0.047 R)
• M89: 85,468,704 km (0.103 R)
• M90: 85,601,996 km (0.055 R)
• M91: 87,476,158 km (0.082 R)
• M92: 88,014,112 km (0.029 R)
• M93: 90,176,848 km (0.097 R)
• M94: 90,312,683 km (0.057 R)
• M95: 90,720,338 km (0.087 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 11,790 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit