🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.5 AU - 0.56 AU

Year: 245 Days

Day: 20.7 Hours

Environment

Temp: -123 °C

Axial Tilt: 29.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 64,549,030 km

• M1: 42,187 km (0.118 R)
• M2: 78,090 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.58 AU - 0.64 AU

Year: 303 Days

Day: 31.5 Hours

Environment

Temp: -119 °C

Axial Tilt: 59.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.58 AU - 0.74 AU

Year: 341 Days

Day: 46.3 Hours

Environment

Temp: -129 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.01 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.6

Radius: 15

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.03 AU - 1.67 AU

Year: 997 Days

Day: 14.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,549,030 km

• M1: 186,698 km (0.082 R)
• M2: 692,937 km (0.086 R)
• M3: 1,350,869 km (0.108 R)
• M4: 2,017,776 km (0.083 R)
• M5: 2,611,081 km (0.077 R)
• M6: 3,306,711 km (0.111 R)
• M7: 4,538,500 km (0.049 R)
• M8: 6,552,536 km (0.079 R)
• M9: 9,303,192 km (0.113 R)
• M10: 9,963,667 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.2

Radius: 8.8

Gravity: 11.17 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.16 AU - 1.62 AU

Year: 1042 Days

Day: 8.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,549,030 km

• M1: 109,506 km (0.102 R)
• M2: 416,331 km (0.051 R)
• M3: 752,926 km (0.072 R)
• M4: 1,438,234 km (0.057 R)
• M5: 1,918,742 km (0.079 R)
• M6: 2,361,253 km (0.091 R)
• M7: 3,019,035 km (0.104 R)
• M8: 4,074,298 km (0.09 R)
• M9: 4,404,161 km (0.113 R)
• M10: 4,884,370 km (0.041 R)
• M11: 5,337,802 km (0.085 R)
• M12: 5,776,273 km (0.115 R)
• M13: 8,843,179 km (0.096 R)
• M14: 10,480,677 km (0.041 R)
• M15: 11,002,475 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.6

Radius: 10.5

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 4.31 AU - 5.71 AU

Year: 7130 Days

Day: 9.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,549,030 km

• M1: 130,749 km (0.092 R)
• M2: 562,338 km (0.103 R)
• M3: 1,033,422 km (0.067 R)
• M4: 1,529,040 km (0.114 R)
• M5: 1,976,487 km (0.065 R)
• M6: 2,594,177 km (0.113 R)
• M7: 3,296,239 km (0.074 R)
• M8: 5,606,479 km (0.067 R)
• M9: 6,142,788 km (0.091 R)
• M10: 7,527,914 km (0.105 R)
• M11: 8,369,402 km (0.067 R)
• M12: 8,793,512 km (0.114 R)
• M13: 9,477,025 km (0.077 R)
• M14: 10,369,975 km (0.083 R)
• M15: 12,127,002 km (0.079 R)
• M16: 12,570,709 km (0.061 R)
• M17: 12,923,311 km (0.095 R)
• M18: 16,460,104 km (0.076 R)
• M19: 19,839,819 km (0.102 R)
• M20: 20,525,725 km (0.053 R)
• M21: 21,872,405 km (0.118 R)
• M22: 22,827,139 km (0.078 R)
• M23: 24,117,271 km (0.085 R)

Asteroid Belt

Center: 7.23 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 491.9

Radius: 4.5

Gravity: 24.29 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 8.55 AU - 10.33 AU

Year: 18441 Days

Day: 20.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 64,549,030 km

• M1: 55,950 km (0.096 R)
• M2: 204,351 km (0.09 R)
• M3: 432,039 km (0.046 R)
• M4: 628,012 km (0.118 R)
• M5: 925,412 km (0.082 R)
• M6: 1,229,246 km (0.106 R)
• M7: 1,564,644 km (0.094 R)
• M8: 2,052,632 km (0.105 R)
• M9: 2,249,503 km (0.047 R)
• M10: 4,277,153 km (0.08 R)
• M11: 4,599,237 km (0.102 R)
• M12: 5,077,053 km (0.11 R)
• M13: 6,457,093 km (0.09 R)
• M14: 6,794,586 km (0.104 R)
• M15: 12,769,973 km (0.091 R)
• M16: 12,967,592 km (0.087 R)
• M17: 14,694,700 km (0.11 R)
• M18: 17,281,396 km (0.089 R)
• M19: 24,836,837 km (0.12 R)
• M20: 25,559,544 km (0.095 R)
• M21: 25,873,550 km (0.055 R)
• M22: 26,084,334 km (0.117 R)
• M23: 32,829,402 km (0.117 R)
• M24: 33,449,336 km (0.105 R)
• M25: 35,097,456 km (0.095 R)
• M26: 35,355,811 km (0.04 R)
• M27: 37,065,715 km (0.115 R)
• M28: 37,333,645 km (0.078 R)
• M29: 38,554,962 km (0.119 R)
• M30: 40,649,332 km (0.06 R)
• M31: 44,006,158 km (0.114 R)
• M32: 44,457,196 km (0.04 R)
• M33: 48,977,146 km (0.095 R)
• M34: 50,439,914 km (0.117 R)
• M35: 53,281,675 km (0.088 R)
• M36: 58,735,116 km (0.094 R)
• M37: 59,281,896 km (0.085 R)
• M38: 59,648,261 km (0.035 R)
• M39: 61,128,682 km (0.095 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 16,068 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit