🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.74 AU - 0.86 AU

Year: 260 Days

Day: 25.7 Hours

Environment

Temp: 92 °C

Axial Tilt: 16.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 4.06 AU - 4.22 AU

Year: 3061 Days

Day: 14.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.17 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.6

Radius: 10.4

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 6.27 AU - 10.11 AU

Year: 8518 Days

Day: 13.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 25,742,109 km

• M1: 173,085 km (0.049 R)
• M2: 276,906 km (0.104 R)
• M3: 347,217 km (0.072 R)
• M4: 523,892 km (0.117 R)
• M5: 594,203 km (0.077 R)
• M6: 939,475 km (0.103 R)
• M7: 1,150,258 km (0.079 R)
• M8: 1,512,734 km (0.07 R)
• M9: 1,743,414 km (0.104 R)
• M10: 2,670,771 km (0.074 R)
• M11: 2,842,060 km (0.116 R)
• M12: 3,539,934 km (0.114 R)
• M13: 3,872,042 km (0.055 R)
• M14: 4,041,985 km (0.055 R)
• M15: 4,264,138 km (0.117 R)
• M16: 4,541,193 km (0.087 R)
• M17: 4,772,172 km (0.041 R)
• M18: 5,033,520 km (0.078 R)
• M19: 5,165,914 km (0.041 R)
• M20: 5,380,287 km (0.102 R)
• M21: 5,515,673 km (0.066 R)
• M22: 5,790,036 km (0.04 R)
• M23: 6,012,638 km (0.09 R)
• M24: 6,096,861 km (0.081 R)
• M25: 6,238,231 km (0.119 R)
• M26: 6,931,617 km (0.1 R)
• M27: 7,407,488 km (0.073 R)
• M28: 7,558,283 km (0.057 R)
• M29: 8,453,626 km (0.082 R)
• M30: 8,548,022 km (0.101 R)
• M31: 10,242,069 km (0.051 R)
• M32: 12,392,538 km (0.108 R)
• M33: 13,297,904 km (0.104 R)
• M34: 13,740,116 km (0.115 R)
• M35: 14,224,663 km (0.056 R)
• M36: 14,904,885 km (0.106 R)
• M37: 15,019,177 km (0.094 R)
• M38: 15,287,257 km (0.093 R)
• M39: 15,441,193 km (0.068 R)
• M40: 15,518,236 km (0.1 R)
• M41: 15,595,578 km (0.057 R)
• M42: 16,375,282 km (0.098 R)
• M43: 16,809,565 km (0.092 R)
• M44: 17,008,231 km (0.117 R)
• M45: 18,094,311 km (0.113 R)
• M46: 18,461,424 km (0.1 R)
• M47: 18,707,513 km (0.083 R)
• M48: 18,789,792 km (0.106 R)
• M49: 19,369,035 km (0.111 R)
• M50: 20,460,202 km (0.081 R)
• M51: 21,098,835 km (0.069 R)
• M52: 21,270,274 km (0.084 R)
• M53: 21,356,143 km (0.119 R)
• M54: 21,571,415 km (0.058 R)
• M55: 21,657,733 km (0.064 R)
• M56: 21,744,051 km (0.084 R)
• M57: 21,917,285 km (0.093 R)
• M58: 22,047,435 km (0.114 R)
• M59: 22,614,411 km (0.065 R)
• M60: 23,230,455 km (0.102 R)
• M61: 23,941,194 km (0.051 R)
• M62: 24,164,694 km (0.081 R)
• M63: 25,111,349 km (0.08 R)
• M64: 27,600,807 km (0.11 R)
• M65: 27,835,227 km (0.053 R)
• M66: 28,259,038 km (0.099 R)
• M67: 28,589,948 km (0.064 R)
• M68: 29,495,015 km (0.075 R)
• M69: 30,119,586 km (0.12 R)
• M70: 30,216,077 km (0.113 R)
• M71: 30,506,147 km (0.075 R)
• M72: 31,332,975 km (0.092 R)
• M73: 31,577,717 km (0.09 R)
• M74: 31,871,976 km (0.075 R)
• M75: 32,562,370 km (0.045 R)
• M76: 32,810,254 km (0.114 R)
• M77: 33,108,402 km (0.109 R)
• M78: 33,357,483 km (0.103 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 14.1

Radius: 5.5

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 14.79 AU - 20.93 AU

Year: 27432 Days

Day: 21.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 25,742,109 km

• M1: 229,334 km (0.078 R)
• M2: 297,251 km (0.1 R)
• M3: 533,765 km (0.087 R)
• M4: 1,299,706 km (0.079 R)
• M5: 1,820,456 km (0.046 R)
• M6: 2,228,260 km (0.109 R)
• M7: 2,330,436 km (0.1 R)
• M8: 4,456,820 km (0.068 R)
• M9: 4,564,231 km (0.112 R)
• M10: 5,316,260 km (0.034 R)
• M11: 5,475,880 km (0.105 R)
• M12: 5,706,560 km (0.064 R)
• M13: 6,177,644 km (0.065 R)
• M14: 6,907,382 km (0.078 R)
• M15: 7,006,715 km (0.091 R)
• M16: 7,081,514 km (0.073 R)
• M17: 8,659,772 km (0.108 R)
• M18: 9,446,657 km (0.117 R)
• M19: 11,762,581 km (0.116 R)
• M20: 12,420,513 km (0.059 R)
• M21: 15,265,864 km (0.086 R)
• M22: 16,312,301 km (0.045 R)
• M23: 16,610,749 km (0.114 R)
• M24: 17,381,627 km (0.096 R)
• M25: 18,888,676 km (0.118 R)
• M26: 19,062,509 km (0.079 R)
• M27: 19,236,940 km (0.1 R)
• M28: 21,370,804 km (0.116 R)
• M29: 21,733,728 km (0.089 R)
• M30: 22,613,065 km (0.029 R)
• M31: 23,466,520 km (0.03 R)
• M32: 24,141,805 km (0.091 R)
• M33: 24,217,203 km (0.034 R)
• M34: 24,254,901 km (0.116 R)

Kuiper Belt

Range: 30.2 - 56.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 299 - 13,423 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit