🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.6 AU - 0.76 AU

Year: 211 Days

Day: 25 Hours

Environment

Temp: 112 °C

Axial Tilt: 22.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.34 AU - 4.92 AU

Year: 3162 Days

Day: 44.3 Hours

Environment

Temp: -123 °C

Axial Tilt: 42.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.2

Radius: 9.7

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 6.19 AU - 9.53 AU

Year: 8302 Days

Day: 7.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,557,398 km

• M1: 120,725 km (0.108 R)
• M2: 484,697 km (0.115 R)
• M3: 857,944 km (0.106 R)
• M4: 1,276,668 km (0.059 R)
• M5: 2,146,879 km (0.064 R)
• M6: 2,500,678 km (0.108 R)
• M7: 5,153,946 km (0.107 R)
• M8: 6,282,662 km (0.117 R)
• M9: 7,268,661 km (0.111 R)
• M10: 8,073,647 km (0.101 R)
• M11: 8,936,678 km (0.074 R)
• M12: 9,769,639 km (0.065 R)
• M13: 12,051,455 km (0.027 R)
• M14: 14,608,232 km (0.068 R)
• M15: 16,780,992 km (0.091 R)
• M16: 17,240,107 km (0.087 R)
• M17: 17,775,069 km (0.058 R)
• M18: 21,068,467 km (0.074 R)
• M19: 21,834,856 km (0.11 R)
• M20: 24,663,752 km (0.115 R)
• M21: 25,601,132 km (0.115 R)
• M22: 29,116,234 km (0.117 R)
• M23: 31,037,968 km (0.108 R)
• M24: 31,829,789 km (0.094 R)
• M25: 33,042,729 km (0.072 R)
• M26: 33,972,480 km (0.103 R)
• M27: 35,025,948 km (0.111 R)
• M28: 35,884,191 km (0.075 R)
• M29: 36,209,716 km (0.114 R)
• M30: 36,537,036 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.3

Radius: 8.9

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 10.39 AU - 12.19 AU

Year: 14291 Days

Day: 12.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 62,557,398 km

• M1: 110,702 km (0.068 R)
• M2: 392,694 km (0.109 R)
• M3: 1,051,374 km (0.078 R)
• M4: 1,887,776 km (0.092 R)
• M5: 2,192,207 km (0.101 R)
• M6: 2,635,466 km (0.073 R)
• M7: 2,947,976 km (0.076 R)
• M8: 4,302,884 km (0.106 R)
• M9: 5,168,906 km (0.099 R)
• M10: 5,553,223 km (0.12 R)
• M11: 10,137,201 km (0.086 R)
• M12: 10,573,877 km (0.091 R)
• M13: 11,137,262 km (0.119 R)
• M14: 11,661,304 km (0.108 R)
• M15: 12,324,022 km (0.045 R)
• M16: 13,923,523 km (0.12 R)
• M17: 14,259,370 km (0.088 R)
• M18: 17,685,610 km (0.063 R)
• M19: 19,714,606 km (0.104 R)
• M20: 21,357,041 km (0.081 R)
• M21: 23,559,720 km (0.104 R)
• M22: 26,417,937 km (0.061 R)
• M23: 32,341,713 km (0.077 R)
• M24: 39,360,696 km (0.112 R)
• M25: 40,576,029 km (0.073 R)
• M26: 44,226,965 km (0.109 R)
• M27: 47,938,638 km (0.049 R)
• M28: 52,174,801 km (0.104 R)
• M29: 57,510,807 km (0.032 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 579.4

Radius: 4.4

Gravity: 29.93 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 9.54 AU - 15.02 AU

Year: 16212 Days

Day: 21.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 62,557,398 km

• M1: 54,753 km (0.118 R)
• M2: 609,163 km (0.11 R)
• M3: 1,501,663 km (0.078 R)
• M4: 1,880,894 km (0.059 R)
• M5: 2,621,254 km (0.04 R)
• M6: 3,457,356 km (0.119 R)
• M7: 3,848,555 km (0.106 R)
• M8: 4,554,358 km (0.084 R)
• M9: 6,923,838 km (0.059 R)
• M10: 7,543,921 km (0.075 R)
• M11: 7,681,551 km (0.113 R)
• M12: 7,820,827 km (0.09 R)
• M13: 8,394,685 km (0.063 R)
• M14: 8,592,004 km (0.056 R)
• M15: 10,397,052 km (0.072 R)
• M16: 12,696,670 km (0.105 R)
• M17: 13,220,562 km (0.082 R)
• M18: 16,982,949 km (0.092 R)
• M19: 18,937,445 km (0.066 R)
• M20: 20,144,251 km (0.095 R)
• M21: 21,218,663 km (0.068 R)
• M22: 21,585,178 km (0.092 R)
• M23: 23,873,127 km (0.064 R)
• M24: 25,588,267 km (0.08 R)
• M25: 26,423,023 km (0.109 R)
• M26: 27,168,320 km (0.118 R)
• M27: 31,105,586 km (0.111 R)
• M28: 36,051,890 km (0.117 R)
• M29: 37,498,651 km (0.106 R)
• M30: 42,503,448 km (0.105 R)
• M31: 43,085,683 km (0.077 R)
• M32: 44,564,308 km (0.096 R)
• M33: 45,619,123 km (0.066 R)
• M34: 50,980,710 km (0.057 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 352 - 12,295 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit