🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.5 AU - 0.56 AU

Year: 140 Days

Day: 13.3 Hours

Environment

Temp: 254 °C

Axial Tilt: 34.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.58 AU - 0.62 AU

Year: 168 Days

Day: 47.6 Hours

Environment

Temp: 168 °C

Axial Tilt: 25.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 85,892,268 km

• M1: 201,508 km (0.082 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.66 AU - 3.9 AU

Year: 2658 Days

Day: 35.3 Hours

Environment

Temp: -116 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.5

Radius: 11.8

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 5.92 AU - 5.96 AU

Year: 5236 Days

Day: 10.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,892,268 km

• M1: 146,756 km (0.031 R)
• M2: 720,314 km (0.055 R)
• M3: 1,110,764 km (0.09 R)
• M4: 1,997,132 km (0.096 R)
• M5: 3,325,710 km (0.053 R)
• M6: 3,750,718 km (0.064 R)
• M7: 4,277,901 km (0.095 R)
• M8: 5,098,894 km (0.04 R)
• M9: 5,856,158 km (0.114 R)
• M10: 6,391,868 km (0.098 R)
• M11: 8,027,422 km (0.115 R)
• M12: 11,106,595 km (0.046 R)
• M13: 12,152,433 km (0.081 R)
• M14: 12,838,788 km (0.086 R)
• M15: 13,647,664 km (0.063 R)
• M16: 14,490,199 km (0.109 R)
• M17: 15,053,735 km (0.096 R)
• M18: 19,048,895 km (0.094 R)
• M19: 21,191,586 km (0.069 R)
• M20: 22,524,503 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.4

Radius: 10.7

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 8.12 AU - 11.82 AU

Year: 11385 Days

Day: 10.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,892,268 km

• M1: 133,292 km (0.103 R)
• M2: 642,074 km (0.064 R)
• M3: 1,007,242 km (0.099 R)
• M4: 1,963,921 km (0.043 R)
• M5: 2,382,645 km (0.119 R)
• M6: 3,234,755 km (0.114 R)
• M7: 6,055,722 km (0.084 R)
• M8: 6,576,173 km (0.044 R)
• M9: 6,985,772 km (0.108 R)
• M10: 7,632,334 km (0.079 R)
• M11: 11,626,896 km (0.106 R)
• M12: 13,220,113 km (0.058 R)
• M13: 17,088,864 km (0.109 R)
• M14: 22,639,543 km (0.094 R)
• M15: 24,946,941 km (0.112 R)
• M16: 27,935,158 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.6

Radius: 13.3

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 11.39 AU - 12.85 AU

Year: 15260 Days

Day: 7.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 85,892,268 km

• M1: 166,802 km (0.104 R)
• M2: 915,988 km (0.048 R)
• M3: 1,468,004 km (0.117 R)
• M4: 1,997,580 km (0.088 R)
• M5: 2,998,390 km (0.077 R)
• M6: 3,504,779 km (0.098 R)
• M7: 4,279,247 km (0.095 R)
• M8: 4,724,151 km (0.051 R)
• M9: 5,270,632 km (0.053 R)
• M10: 11,708,277 km (0.102 R)
• M11: 12,329,857 km (0.092 R)
• M12: 13,437,030 km (0.086 R)
• M13: 13,980,519 km (0.03 R)
• M14: 15,403,794 km (0.069 R)
• M15: 15,999,343 km (0.103 R)
• M16: 17,078,542 km (0.034 R)
• M17: 20,429,833 km (0.089 R)
• M18: 25,929,949 km (0.117 R)
• M19: 26,667,017 km (0.062 R)
• M20: 28,738,200 km (0.068 R)
• M21: 30,447,655 km (0.074 R)
• M22: 34,319,248 km (0.07 R)
• M23: 35,593,522 km (0.075 R)
• M24: 47,570,477 km (0.103 R)
• M25: 49,314,340 km (0.099 R)
• M26: 55,146,413 km (0.096 R)
• M27: 62,921,014 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 821.9

Radius: 3.2

Gravity: 80.26 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 12.2 AU - 18.64 AU

Year: 21899 Days

Day: 24.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 85,892,268 km

• M1: 39,793 km (0.071 R)
• M2: 147,952 km (0.094 R)
• M3: 275,410 km (0.099 R)
• M4: 439,668 km (0.098 R)
• M5: 592,258 km (0.12 R)
• M6: 1,480,121 km (0.111 R)
• M7: 1,619,397 km (0.116 R)
• M8: 2,243,818 km (0.093 R)
• M9: 2,572,784 km (0.071 R)
• M10: 3,296,389 km (0.066 R)
• M11: 4,318,292 km (0.117 R)
• M12: 4,900,976 km (0.119 R)
• M13: 5,575,662 km (0.081 R)
• M14: 5,785,398 km (0.077 R)
• M15: 10,835,823 km (0.103 R)
• M16: 10,965,674 km (0.114 R)
• M17: 11,162,395 km (0.102 R)
• M18: 12,534,058 km (0.052 R)
• M19: 14,323,547 km (0.052 R)
• M20: 18,676,845 km (0.112 R)
• M21: 25,287,276 km (0.07 R)
• M22: 35,969,761 km (0.102 R)
• M23: 36,114,123 km (0.12 R)
• M24: 38,325,179 km (0.084 R)
• M25: 41,569,808 km (0.071 R)
• M26: 42,047,773 km (0.053 R)
• M27: 43,340,149 km (0.107 R)
• M28: 47,203,065 km (0.116 R)
• M29: 50,381,720 km (0.091 R)
• M30: 50,562,285 km (0.116 R)
• M31: 51,289,181 km (0.099 R)
• M32: 58,545,875 km (0.058 R)
• M33: 60,563,202 km (0.083 R)
• M34: 67,988,043 km (0.113 R)
• M35: 70,666,893 km (0.041 R)
• M36: 75,051,008 km (0.087 R)
• M37: 75,759,503 km (0.105 R)
• M38: 82,086,596 km (0.106 R)
• M39: 84,610,910 km (0.054 R)

Kuiper Belt

Range: 30.3 - 45.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 19,918 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit