🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.49 AU - 0.65 AU

Year: 161 Days

Day: 47.2 Hours

Environment

Temp: 185 °C

Axial Tilt: 38.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 75,162,523 km

• M1: 252,820 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.63 AU - 1.01 AU

Year: 278 Days

Day: 41.9 Hours

Environment

Temp: 119 °C

Axial Tilt: 8.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.35 AU - 1.43 AU

Year: 614 Days

Day: 15.5 Hours

Environment

Temp: -35 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,162,523 km

• M1: 1,204,113 km (0.09 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.13 AU - 1.81 AU

Year: 668 Days

Day: 20.4 Hours

Environment

Temp: -48 °C

Axial Tilt: 16.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 75,162,523 km

• M1: 230,979 km (0.096 R)
• M2: 603,478 km (0.107 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.66 AU - 2.1 AU

Year: 966 Days

Day: 34.7 Hours

Environment

Temp: -65 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,162,523 km

• M1: 261,347 km (0.059 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.22 AU - 4.28 AU

Year: 2721 Days

Day: 39.6 Hours

Environment

Temp: -132 °C

Axial Tilt: 14.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,162,523 km

• M1: 124,615 km (0.084 R)

Asteroid Belt

Center: 8.84 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 13.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 697.3

Radius: 4.6

Gravity: 32.95 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 13.42 AU - 14.42 AU

Year: 19462 Days

Day: 17.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 75,162,523 km

• M1: 76,145 km (0.111 R)
• M2: 209,138 km (0.07 R)
• M3: 635,641 km (0.083 R)
• M4: 726,896 km (0.091 R)
• M5: 847,023 km (0.094 R)
• M6: 1,052,571 km (0.086 R)
• M7: 1,478,027 km (0.105 R)
• M8: 1,756,578 km (0.084 R)
• M9: 1,951,355 km (0.09 R)
• M10: 2,085,095 km (0.067 R)
• M11: 2,187,270 km (0.094 R)
• M12: 2,948,125 km (0.083 R)
• M13: 3,024,420 km (0.113 R)
• M14: 3,101,613 km (0.119 R)
• M15: 3,257,643 km (0.084 R)
• M16: 3,577,483 km (0.032 R)
• M17: 4,076,093 km (0.076 R)
• M18: 4,204,149 km (0.075 R)
• M19: 4,333,402 km (0.072 R)
• M20: 4,551,964 km (0.116 R)
• M21: 6,774,839 km (0.092 R)
• M22: 6,875,817 km (0.116 R)
• M23: 7,440,400 km (0.071 R)
• M24: 7,701,747 km (0.112 R)
• M25: 8,019,643 km (0.111 R)
• M26: 8,887,759 km (0.088 R)
• M27: 8,998,312 km (0.086 R)
• M28: 9,501,709 km (0.113 R)
• M29: 10,477,386 km (0.101 R)
• M30: 10,947,423 km (0.112 R)
• M31: 11,304,363 km (0.058 R)
• M32: 11,968,877 km (0.113 R)
• M33: 12,336,588 km (0.046 R)
• M34: 12,770,273 km (0.027 R)
• M35: 13,146,062 km (0.09 R)
• M36: 13,209,043 km (0.071 R)
• M37: 13,335,304 km (0.088 R)
• M38: 13,908,413 km (0.111 R)
• M39: 14,036,918 km (0.101 R)
• M40: 14,101,245 km (0.056 R)
• M41: 14,230,348 km (0.071 R)
• M42: 15,409,179 km (0.116 R)
• M43: 15,943,094 km (0.118 R)
• M44: 16,347,607 km (0.102 R)
• M45: 16,551,060 km (0.058 R)
• M46: 17,166,505 km (0.059 R)
• M47: 18,702,427 km (0.05 R)
• M48: 18,773,186 km (0.099 R)
• M49: 20,500,144 km (0.064 R)
• M50: 22,427,563 km (0.047 R)
• M51: 22,502,811 km (0.088 R)
• M52: 22,578,208 km (0.057 R)
• M53: 22,653,606 km (0.086 R)
• M54: 22,729,152 km (0.097 R)
• M55: 23,184,080 km (0.074 R)
• M56: 24,103,059 km (0.095 R)
• M57: 24,566,962 km (0.097 R)
• M58: 24,877,827 km (0.096 R)
• M59: 25,976,174 km (0.092 R)
• M60: 27,895,665 km (0.078 R)
• M61: 28,790,559 km (0.068 R)
• M62: 31,278,671 km (0.12 R)
• M63: 32,463,187 km (0.099 R)
• M64: 33,146,550 km (0.051 R)
• M65: 33,834,700 km (0.1 R)
• M66: 34,093,953 km (0.11 R)
• M67: 37,434,623 km (0.081 R)
• M68: 39,415,897 km (0.104 R)
• M69: 40,419,250 km (0.094 R)
• M70: 43,291,679 km (0.078 R)
• M71: 43,949,311 km (0.114 R)
• M72: 45,084,460 km (0.041 R)
• M73: 46,901,326 km (0.096 R)
• M74: 51,100,688 km (0.081 R)
• M75: 54,100,724 km (0.09 R)
• M76: 54,403,958 km (0.034 R)
• M77: 55,724,010 km (0.032 R)
• M78: 56,030,237 km (0.083 R)
• M79: 56,234,588 km (0.104 R)
• M80: 57,363,304 km (0.118 R)
• M81: 60,060,553 km (0.116 R)
• M82: 61,214,102 km (0.097 R)
• M83: 63,011,222 km (0.075 R)
• M84: 63,223,800 km (0.11 R)
• M85: 64,397,096 km (0.087 R)
• M86: 66,224,584 km (0.108 R)
• M87: 67,633,497 km (0.104 R)
• M88: 67,742,254 km (0.087 R)
• M89: 70,370,689 km (0.067 R)
• M90: 72,809,134 km (0.101 R)
• M91: 73,143,785 km (0.12 R)
• M92: 74,824,816 km (0.053 R)
• M93: 75,162,458 km (0.101 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: 205 - 14,085 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit