🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.92 AU - 1 AU

Year: 339 Days

Day: 33 Hours

Environment

Temp: 106 °C

Axial Tilt: 7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 83,994,684 km

• M1: 89,460 km (0.103 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.87 AU - 1.21 AU

Year: 382 Days

Day: 34.5 Hours

Environment

Temp: 35 °C

Axial Tilt: 21.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.02 AU - 1.34 AU

Year: 461 Days

Day: 33.8 Hours

Environment

Temp: 18 °C

Axial Tilt: 6.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.36 AU - 2.4 AU

Year: 1321 Days

Day: 41.8 Hours

Environment

Temp: -68 °C

Axial Tilt: 26 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.87 AU - 2.91 AU

Year: 1330 Days

Day: 32.8 Hours

Environment

Temp: -70 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.23 AU - 4.03 AU

Year: 2489 Days

Day: 33.8 Hours

Environment

Temp: -119 °C

Axial Tilt: 9.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 14.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 885

Radius: 4.3

Gravity: 47.86 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 11.63 AU - 17.89 AU

Year: 20408 Days

Day: 24 Hours

Environment

Temp: -180 °C

Axial Tilt: 154.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (98)

Outer Limit: 83,994,684 km

• M1: 56,099 km (0.11 R)
• M2: 207,642 km (0.076 R)
• M3: 327,320 km (0.103 R)
• M4: 626,815 km (0.052 R)
• M5: 854,802 km (0.072 R)
• M6: 1,165,816 km (0.12 R)
• M7: 1,412,503 km (0.11 R)
• M8: 1,882,091 km (0.063 R)
• M9: 2,170,516 km (0.072 R)
• M10: 2,207,466 km (0.043 R)
• M11: 2,511,299 km (0.097 R)
• M12: 3,199,749 km (0.078 R)
• M13: 3,630,441 km (0.109 R)
• M14: 3,987,980 km (0.119 R)
• M15: 4,125,012 km (0.045 R)
• M16: 4,356,739 km (0.042 R)
• M17: 6,198,588 km (0.098 R)
• M18: 6,357,311 km (0.11 R)
• M19: 6,841,410 km (0.102 R)
• M20: 7,561,424 km (0.103 R)
• M21: 8,247,181 km (0.048 R)
• M22: 8,480,105 km (0.084 R)
• M23: 9,012,225 km (0.064 R)
• M24: 9,072,064 km (0.054 R)
• M25: 12,158,717 km (0.12 R)
• M26: 13,230,436 km (0.104 R)
• M27: 13,571,519 km (0.114 R)
• M28: 13,640,035 km (0.039 R)
• M29: 14,053,822 km (0.078 R)
• M30: 14,752,594 km (0.044 R)
• M31: 14,964,425 km (0.081 R)
• M32: 16,038,687 km (0.036 R)
• M33: 16,694,973 km (0.072 R)
• M34: 17,733,332 km (0.091 R)
• M35: 18,868,929 km (0.113 R)
• M36: 19,561,418 km (0.116 R)
• M37: 19,638,909 km (0.067 R)
• M38: 21,289,123 km (0.104 R)
• M39: 21,448,595 km (0.1 R)
• M40: 22,901,489 km (0.078 R)
• M41: 25,055,699 km (0.069 R)
• M42: 25,816,254 km (0.078 R)
• M43: 26,242,010 km (0.073 R)
• M44: 26,498,720 km (0.11 R)
• M45: 27,187,019 km (0.103 R)
• M46: 28,757,199 km (0.096 R)
• M47: 29,021,837 km (0.083 R)
• M48: 29,998,711 km (0.113 R)
• M49: 30,986,357 km (0.091 R)
• M50: 31,257,577 km (0.055 R)
• M51: 33,362,868 km (0.101 R)
• M52: 33,455,320 km (0.119 R)
• M53: 33,826,472 km (0.033 R)
• M54: 34,385,819 km (0.106 R)
• M55: 35,136,201 km (0.037 R)
• M56: 35,230,299 km (0.114 R)
• M57: 35,607,884 km (0.069 R)
• M58: 35,891,970 km (0.095 R)
• M59: 36,271,949 km (0.053 R)
• M60: 37,035,646 km (0.094 R)
• M61: 37,131,538 km (0.118 R)
• M62: 37,901,369 km (0.062 R)
• M63: 37,997,859 km (0.11 R)
• M64: 39,750,548 km (0.048 R)
• M65: 41,231,118 km (0.028 R)
• M66: 42,830,020 km (0.109 R)
• M67: 43,738,378 km (0.074 R)
• M68: 44,959,396 km (0.033 R)
• M69: 45,163,896 km (0.068 R)
• M70: 45,882,415 km (0.046 R)
• M71: 46,604,673 km (0.061 R)
• M72: 47,226,701 km (0.077 R)
• M73: 48,479,135 km (0.118 R)
• M74: 49,214,708 km (0.091 R)
• M75: 49,848,105 km (0.095 R)
• M76: 50,377,981 km (0.109 R)
• M77: 51,016,315 km (0.117 R)
• M78: 51,764,454 km (0.09 R)
• M79: 54,356,985 km (0.063 R)
• M80: 55,449,498 km (0.042 R)
• M81: 59,218,168 km (0.101 R)
• M82: 59,554,763 km (0.081 R)
• M83: 62,383,359 km (0.117 R)
• M84: 63,068,667 km (0.108 R)
• M85: 63,183,109 km (0.064 R)
• M86: 63,756,518 km (0.07 R)
• M87: 64,216,532 km (0.096 R)
• M88: 68,758,323 km (0.066 R)
• M89: 70,889,195 km (0.117 R)
• M90: 72,441,572 km (0.087 R)
• M91: 73,041,759 km (0.111 R)
• M92: 73,161,886 km (0.098 R)
• M93: 76,188,550 km (0.04 R)
• M94: 76,676,538 km (0.098 R)
• M95: 77,901,146 km (0.075 R)
• M96: 80,245,794 km (0.065 R)
• M97: 81,364,487 km (0.113 R)
• M98: 83,240,294 km (0.106 R)

Kuiper Belt

Range: 30.5 - 47.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 18,465 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit