🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.74 AU - 1.04 AU

Year: 298 Days

Day: 16.3 Hours

Environment

Temp: 185 °C

Axial Tilt: 36.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 52,068,636 km

• M1: 267,631 km (0.051 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.71 AU - 1.11 AU

Year: 308 Days

Day: 16.5 Hours

Environment

Temp: 170 °C

Axial Tilt: 5.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.97 AU - 1.07 AU

Year: 365 Days

Day: 15.7 Hours

Environment

Temp: 71 °C

Axial Tilt: 92 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 52,068,636 km

• M1: 163,361 km (0.067 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.1 AU - 2.82 AU

Year: 1369 Days

Day: 22 Hours

Environment

Temp: -76 °C

Axial Tilt: 46.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.81 AU - 3.03 AU

Year: 1770 Days

Day: 14.7 Hours

Environment

Temp: -97 °C

Axial Tilt: 25 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.93 AU - 3.17 AU

Year: 1890 Days

Day: 27 Hours

Environment

Temp: -90 °C

Axial Tilt: 10.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,068,636 km

• M1: 1,717,234 km (0.084 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.18 AU - 3.64 AU

Year: 2234 Days

Day: 29.5 Hours

Environment

Temp: -106 °C

Axial Tilt: 23.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.96 AU - 4.66 AU

Year: 2638 Days

Day: 25.8 Hours

Environment

Temp: -123 °C

Axial Tilt: 15.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.17 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 14.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.9

Radius: 6.3

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 12.3 AU - 16.74 AU

Year: 19629 Days

Day: 24.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 52,068,636 km

• M1: 83,027 km (0.05 R)
• M2: 122,670 km (0.106 R)
• M3: 193,580 km (0.069 R)
• M4: 259,702 km (0.106 R)
• M5: 348,563 km (0.106 R)
• M6: 880,982 km (0.115 R)
• M7: 1,082,789 km (0.117 R)
• M8: 1,146,219 km (0.087 R)
• M9: 1,722,470 km (0.051 R)
• M10: 1,872,517 km (0.109 R)
• M11: 2,487,214 km (0.094 R)
• M12: 2,543,463 km (0.051 R)
• M13: 2,600,011 km (0.069 R)
• M14: 3,159,357 km (0.045 R)
• M15: 4,115,138 km (0.054 R)
• M16: 4,486,590 km (0.082 R)
• M17: 4,589,663 km (0.08 R)
• M18: 5,153,198 km (0.091 R)
• M19: 5,333,762 km (0.08 R)
• M20: 5,443,119 km (0.104 R)
• M21: 6,812,537 km (0.108 R)
• M22: 6,931,169 km (0.103 R)
• M23: 7,412,874 km (0.115 R)
• M24: 8,578,540 km (0.075 R)
• M25: 8,792,615 km (0.098 R)
• M26: 9,934,196 km (0.109 R)
• M27: 10,204,220 km (0.107 R)
• M28: 10,249,399 km (0.056 R)
• M29: 10,936,053 km (0.11 R)
• M30: 11,590,095 km (0.078 R)
• M31: 11,732,063 km (0.07 R)
• M32: 11,874,331 km (0.105 R)
• M33: 12,353,194 km (0.025 R)
• M34: 12,546,474 km (0.089 R)
• M35: 12,985,095 km (0.073 R)
• M36: 13,329,769 km (0.071 R)
• M37: 13,527,986 km (0.111 R)
• M38: 13,727,250 km (0.108 R)
• M39: 14,686,921 km (0.115 R)
• M40: 14,738,083 km (0.082 R)
• M41: 15,097,417 km (0.112 R)
• M42: 15,459,743 km (0.067 R)
• M43: 16,298,688 km (0.117 R)
• M44: 17,313,859 km (0.069 R)
• M45: 17,476,023 km (0.107 R)
• M46: 17,584,482 km (0.039 R)
• M47: 17,965,657 km (0.093 R)
• M48: 18,184,668 km (0.069 R)
• M49: 18,459,629 km (0.074 R)
• M50: 19,293,039 km (0.075 R)
• M51: 19,348,989 km (0.097 R)
• M52: 19,911,925 km (0.1 R)
• M53: 20,252,261 km (0.057 R)
• M54: 21,400,424 km (0.112 R)
• M55: 24,362,163 km (0.055 R)
• M56: 25,030,716 km (0.048 R)
• M57: 25,214,123 km (0.11 R)
• M58: 25,890,455 km (0.051 R)
• M59: 26,199,823 km (0.106 R)
• M60: 26,635,003 km (0.079 R)
• M61: 27,198,090 km (0.114 R)
• M62: 28,335,781 km (0.081 R)
• M63: 30,592,316 km (0.056 R)
• M64: 31,247,554 km (0.052 R)
• M65: 33,509,923 km (0.1 R)
• M66: 34,117,590 km (0.106 R)
• M67: 36,653,573 km (0.061 R)
• M68: 37,628,801 km (0.04 R)
• M69: 38,190,092 km (0.111 R)
• M70: 38,401,175 km (0.098 R)
• M71: 40,390,528 km (0.045 R)
• M72: 40,462,185 km (0.118 R)
• M73: 40,749,263 km (0.119 R)
• M74: 43,143,428 km (0.092 R)
• M75: 43,290,033 km (0.06 R)
• M76: 43,657,147 km (0.037 R)
• M77: 44,690,569 km (0.088 R)
• M78: 44,764,769 km (0.096 R)
• M79: 44,838,820 km (0.115 R)
• M80: 45,508,271 km (0.038 R)
• M81: 46,255,811 km (0.08 R)
• M82: 47,007,541 km (0.062 R)
• M83: 47,687,463 km (0.09 R)
• M84: 48,599,112 km (0.096 R)
• M85: 49,133,476 km (0.104 R)
• M86: 49,439,852 km (0.074 R)
• M87: 50,825,877 km (0.088 R)
• M88: 51,213,185 km (0.066 R)
• M89: 51,368,318 km (0.09 R)
• M90: 51,679,183 km (0.114 R)

Kuiper Belt

Range: 30.9 - 60.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 14,205 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit