🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.83 AU - 0.85 AU

Year: 280 Days

Day: 20 Hours

Environment

Temp: 111 °C

Axial Tilt: 11.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.9 AU - 1.28 AU

Year: 414 Days

Day: 15.6 Hours

Environment

Temp: 17 °C

Axial Tilt: 36.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.12 AU - 1.28 AU

Year: 478 Days

Day: 46.3 Hours

Environment

Temp: -7 °C

Axial Tilt: 2.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.2 AU - 1.52 AU

Year: 576 Days

Day: 18.2 Hours

Environment

Temp: -2 °C

Axial Tilt: 38.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 76,778,981 km

• M1: 466,446 km (0.064 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.37 AU - 1.85 AU

Year: 742 Days

Day: 45 Hours

Environment

Temp: -46 °C

Axial Tilt: 48.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,778,981 km

• M1: 658,231 km (0.086 R)

Asteroid Belt

Center: 8.2 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 14.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 658.8

Radius: 7.7

Gravity: 11.11 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 12.36 AU - 17.22 AU

Year: 20672 Days

Day: 23.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 76,778,981 km

• M1: 140,622 km (0.119 R)
• M2: 196,572 km (0.092 R)
• M3: 380,876 km (0.091 R)
• M4: 455,077 km (0.044 R)
• M5: 534,663 km (0.078 R)
• M6: 686,355 km (0.116 R)
• M7: 1,485,656 km (0.115 R)
• M8: 1,608,177 km (0.105 R)
• M9: 1,702,424 km (0.086 R)
• M10: 2,029,744 km (0.065 R)
• M11: 2,593,877 km (0.026 R)
• M12: 2,969,967 km (0.078 R)
• M13: 4,026,875 km (0.051 R)
• M14: 5,142,128 km (0.051 R)
• M15: 5,470,645 km (0.095 R)
• M16: 5,565,789 km (0.097 R)
• M17: 5,661,531 km (0.063 R)
• M18: 5,757,723 km (0.085 R)
• M19: 7,901,012 km (0.058 R)
• M20: 8,062,577 km (0.116 R)
• M21: 10,913,913 km (0.1 R)
• M22: 10,973,901 km (0.106 R)
• M23: 13,267,386 km (0.103 R)
• M24: 14,765,011 km (0.03 R)
• M25: 15,499,985 km (0.099 R)
• M26: 16,384,108 km (0.102 R)
• M27: 19,277,481 km (0.066 R)
• M28: 19,713,858 km (0.088 R)
• M29: 19,860,165 km (0.117 R)
• M30: 20,006,770 km (0.068 R)
• M31: 20,596,635 km (0.115 R)
• M32: 21,117,535 km (0.115 R)
• M33: 22,859,303 km (0.118 R)
• M34: 23,012,940 km (0.117 R)
• M35: 23,941,942 km (0.026 R)
• M36: 25,916,485 km (0.085 R)
• M37: 25,996,520 km (0.078 R)
• M38: 26,317,557 km (0.049 R)
• M39: 26,398,040 km (0.075 R)
• M40: 26,478,674 km (0.075 R)
• M41: 27,207,365 km (0.044 R)
• M42: 27,370,277 km (0.088 R)
• M43: 28,271,604 km (0.104 R)
• M44: 28,354,032 km (0.086 R)
• M45: 28,601,766 km (0.091 R)
• M46: 28,850,249 km (0.071 R)
• M47: 29,349,307 km (0.12 R)
• M48: 29,516,408 km (0.104 R)
• M49: 30,103,280 km (0.061 R)
• M50: 30,778,864 km (0.093 R)
• M51: 31,374,114 km (0.096 R)
• M52: 31,630,375 km (0.111 R)
• M53: 32,317,179 km (0.084 R)
• M54: 32,575,984 km (0.106 R)
• M55: 33,618,082 km (0.12 R)
• M56: 34,143,171 km (0.12 R)
• M57: 34,230,985 km (0.089 R)
• M58: 35,024,452 km (0.045 R)
• M59: 35,468,010 km (0.076 R)
• M60: 36,091,833 km (0.081 R)
• M61: 36,181,292 km (0.085 R)
• M62: 36,360,361 km (0.075 R)
• M63: 36,539,729 km (0.087 R)
• M64: 37,169,985 km (0.097 R)
• M65: 37,622,219 km (0.085 R)
• M66: 38,076,398 km (0.064 R)
• M67: 42,244,494 km (0.086 R)
• M68: 42,905,717 km (0.111 R)
• M69: 43,285,097 km (0.063 R)
• M70: 43,380,091 km (0.104 R)
• M71: 44,238,484 km (0.118 R)
• M72: 46,554,708 km (0.072 R)
• M73: 46,944,560 km (0.105 R)
• M74: 48,317,719 km (0.106 R)
• M75: 50,301,985 km (0.106 R)
• M76: 51,303,991 km (0.119 R)
• M77: 52,009,495 km (0.115 R)
• M78: 52,819,567 km (0.061 R)
• M79: 53,429,777 km (0.082 R)
• M80: 56,516,280 km (0.108 R)
• M81: 59,977,526 km (0.118 R)
• M82: 60,295,571 km (0.081 R)
• M83: 60,401,636 km (0.114 R)
• M84: 60,720,429 km (0.102 R)
• M85: 62,322,772 km (0.103 R)
• M86: 63,614,699 km (0.096 R)
• M87: 63,939,028 km (0.109 R)
• M88: 67,432,886 km (0.078 R)
• M89: 67,984,304 km (0.095 R)
• M90: 68,094,856 km (0.12 R)
• M91: 68,758,921 km (0.109 R)
• M92: 70,428,583 km (0.1 R)
• M93: 71,324,525 km (0.083 R)
• M94: 72,562,746 km (0.073 R)
• M95: 75,060,133 km (0.086 R)

Kuiper Belt

Range: 30.2 - 57.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 445 - 15,453 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit