🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.7

Radius: 9

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.7 AU - 0.86 AU

Year: 459 Days

Day: 13.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 31,774,337 km

• M1: 111,899 km (0.106 R)
• M2: 437,424 km (0.063 R)
• M3: 1,070,672 km (0.112 R)
• M4: 2,633,072 km (0.11 R)
• M5: 3,167,286 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.4

Radius: 9.9

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.28 AU - 1.38 AU

Year: 1023 Days

Day: 8.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,774,337 km

• M1: 123,269 km (0.118 R)
• M2: 542,442 km (0.082 R)
• M3: 859,589 km (0.095 R)
• M4: 1,191,547 km (0.087 R)
• M5: 1,509,443 km (0.099 R)
• M6: 1,818,213 km (0.112 R)
• M7: 2,169,618 km (0.107 R)
• M8: 2,892,475 km (0.033 R)
• M9: 3,448,530 km (0.1 R)
• M10: 3,847,208 km (0.074 R)
• M11: 4,225,392 km (0.108 R)
• M12: 4,774,416 km (0.042 R)
• M13: 5,780,761 km (0.116 R)
• M14: 7,285,416 km (0.066 R)
• M15: 8,128,700 km (0.058 R)
• M16: 9,499,166 km (0.045 R)
• M17: 10,631,771 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.5

Radius: 11.7

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.32 AU - 1.56 AU

Year: 1152 Days

Day: 9.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,774,337 km

• M1: 145,559 km (0.086 R)
• M2: 578,345 km (0.084 R)
• M3: 1,035,367 km (0.114 R)
• M4: 1,408,464 km (0.114 R)
• M5: 1,986,660 km (0.109 R)
• M6: 2,380,102 km (0.107 R)
• M7: 3,119,714 km (0.047 R)
• M8: 3,972,422 km (0.104 R)
• M9: 4,566,325 km (0.059 R)
• M10: 5,797,516 km (0.106 R)
• M11: 6,783,216 km (0.083 R)
• M12: 8,126,456 km (0.057 R)
• M13: 8,787,229 km (0.084 R)
• M14: 10,986,168 km (0.109 R)
• M15: 12,604,369 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.9

Radius: 8.6

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.71 AU - 2.53 AU

Year: 2058 Days

Day: 8.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,774,337 km

• M1: 113,844 km (0.059 R)
• M2: 416,032 km (0.075 R)
• M3: 916,137 km (0.083 R)
• M4: 1,443,470 km (0.066 R)
• M5: 1,760,617 km (0.065 R)
• M6: 2,112,322 km (0.086 R)
• M7: 2,483,474 km (0.057 R)
• M8: 3,407,839 km (0.118 R)
• M9: 3,939,361 km (0.098 R)
• M10: 5,100,539 km (0.068 R)
• M11: 6,371,673 km (0.105 R)
• M12: 8,265,432 km (0.094 R)
• M13: 8,640,474 km (0.095 R)
• M14: 11,059,172 km (0.042 R)
• M15: 11,708,577 km (0.104 R)
• M16: 13,083,231 km (0.118 R)
• M17: 14,562,306 km (0.108 R)
• M18: 14,834,424 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.5

Radius: 10

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.99 AU - 3.03 AU

Year: 3482 Days

Day: 5.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,774,337 km

• M1: 126,859 km (0.056 R)
• M2: 491,279 km (0.064 R)
• M3: 1,055,563 km (0.092 R)
• M4: 1,511,836 km (0.06 R)
• M5: 1,907,971 km (0.111 R)
• M6: 2,373,221 km (0.064 R)
• M7: 2,742,877 km (0.117 R)
• M8: 3,450,924 km (0.082 R)
• M9: 3,963,596 km (0.097 R)
• M10: 4,371,250 km (0.111 R)
• M11: 4,766,039 km (0.083 R)
• M12: 5,514,626 km (0.044 R)
• M13: 6,241,223 km (0.072 R)
• M14: 11,369,737 km (0.045 R)
• M15: 14,436,195 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.7

Radius: 13.3

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.01 AU - 5.63 AU

Year: 7057 Days

Day: 5.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 31,774,337 km

• M1: 189,241 km (0.108 R)
• M2: 944,262 km (0.083 R)
• M3: 1,364,482 km (0.106 R)
• M4: 1,927,419 km (0.118 R)
• M5: 2,661,047 km (0.112 R)
• M6: 3,426,240 km (0.098 R)
• M7: 4,897,984 km (0.1 R)
• M8: 5,395,696 km (0.119 R)
• M9: 6,300,913 km (0.104 R)
• M10: 6,823,608 km (0.106 R)
• M11: 7,919,562 km (0.068 R)
• M12: 9,843,540 km (0.103 R)
• M13: 11,865,355 km (0.106 R)
• M14: 12,563,229 km (0.077 R)
• M15: 14,708,612 km (0.067 R)
• M16: 19,304,408 km (0.091 R)
• M17: 21,051,861 km (0.098 R)
• M18: 21,927,009 km (0.082 R)
• M19: 24,939,760 km (0.081 R)
• M20: 26,840,401 km (0.12 R)
• M21: 27,869,635 km (0.071 R)
• M22: 29,103,368 km (0.117 R)
• M23: 29,643,117 km (0.115 R)
• M24: 30,281,302 km (0.072 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 19,546 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit