🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.3

Radius: 11.8

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.43 AU - 0.59 AU

Year: 247 Days

Day: 12.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,951,941 km

• M1: 148,850 km (0.08 R)
• M2: 555,756 km (0.092 R)
• M3: 1,036,414 km (0.113 R)
• M4: 1,539,212 km (0.066 R)
• M5: 1,984,117 km (0.075 R)
• M6: 2,664,039 km (0.079 R)
• M7: 3,189,726 km (0.069 R)
• M8: 3,749,521 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.8

Radius: 10.3

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.64 AU - 0.78 AU

Year: 406 Days

Day: 10.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 43,951,941 km

• M1: 128,355 km (0.083 R)
• M2: 496,067 km (0.083 R)
• M3: 970,890 km (0.114 R)
• M4: 1,805,497 km (0.11 R)
• M5: 2,850,737 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.5

Radius: 9.8

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.6 AU - 0.9 AU

Year: 441 Days

Day: 9.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,951,941 km

• M1: 121,922 km (0.117 R)
• M2: 470,336 km (0.119 R)
• M3: 867,668 km (0.092 R)
• M4: 1,495,979 km (0.076 R)
• M5: 1,817,016 km (0.099 R)
• M6: 2,949,172 km (0.046 R)
• M7: 3,262,281 km (0.086 R)
• M8: 3,726,483 km (0.112 R)
• M9: 4,221,353 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.6

Radius: 11.7

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.48 AU - 1.92 AU

Year: 1503 Days

Day: 13.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,951,941 km

• M1: 145,559 km (0.1 R)
• M2: 551,119 km (0.109 R)
• M3: 999,613 km (0.114 R)
• M4: 1,978,432 km (0.104 R)
• M5: 2,433,808 km (0.065 R)
• M6: 2,891,128 km (0.049 R)
• M7: 3,435,964 km (0.051 R)
• M8: 4,203,850 km (0.054 R)
• M9: 7,963,095 km (0.116 R)
• M10: 9,126,816 km (0.12 R)
• M11: 10,861,853 km (0.11 R)
• M12: 11,896,023 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 110.4

Radius: 7.2

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.62 AU - 6.32 AU

Year: 9894 Days

Day: 17.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 43,951,941 km

• M1: 92,900 km (0.116 R)
• M2: 437,424 km (0.079 R)
• M3: 814,710 km (0.047 R)
• M4: 1,051,224 km (0.102 R)
• M5: 1,365,380 km (0.083 R)
• M6: 1,934,300 km (0.104 R)
• M7: 2,333,428 km (0.086 R)
• M8: 3,413,524 km (0.093 R)
• M9: 3,975,713 km (0.107 R)
• M10: 4,290,766 km (0.098 R)
• M11: 5,720,473 km (0.092 R)
• M12: 9,327,278 km (0.101 R)
• M13: 10,590,931 km (0.033 R)
• M14: 13,654,246 km (0.09 R)
• M15: 14,741,075 km (0.107 R)
• M16: 15,061,813 km (0.104 R)
• M17: 15,496,843 km (0.108 R)
• M18: 16,335,040 km (0.06 R)
• M19: 17,678,429 km (0.106 R)
• M20: 18,162,528 km (0.072 R)
• M21: 20,187,634 km (0.111 R)
• M22: 20,450,927 km (0.115 R)
• M23: 21,186,798 km (0.12 R)
• M24: 22,996,185 km (0.094 R)
• M25: 24,680,507 km (0.098 R)
• M26: 24,906,101 km (0.074 R)
• M27: 25,591,259 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524.1

Radius: 4.5

Gravity: 25.88 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 6.3 AU - 7.96 AU

Year: 12913 Days

Day: 20.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,951,941 km

• M1: 55,950 km (0.112 R)
• M2: 214,224 km (0.111 R)
• M3: 729,888 km (0.1 R)
• M4: 917,035 km (0.088 R)
• M5: 1,486,255 km (0.092 R)
• M6: 2,340,309 km (0.078 R)
• M7: 5,516,721 km (0.119 R)
• M8: 5,656,744 km (0.068 R)
• M9: 5,835,065 km (0.069 R)
• M10: 6,392,766 km (0.034 R)
• M11: 7,613,484 km (0.114 R)
• M12: 7,963,543 km (0.116 R)
• M13: 8,743,098 km (0.114 R)
• M14: 9,422,272 km (0.107 R)
• M15: 11,843,215 km (0.079 R)
• M16: 15,885,499 km (0.1 R)
• M17: 16,384,557 km (0.053 R)
• M18: 18,407,868 km (0.114 R)
• M19: 24,699,805 km (0.099 R)
• M20: 31,611,376 km (0.028 R)
• M21: 31,947,822 km (0.081 R)
• M22: 32,856,928 km (0.053 R)
• M23: 40,890,633 km (0.058 R)
• M24: 43,602,992 km (0.026 R)
• M25: 51,520,609 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114.8

Radius: 3.7

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 9.15 AU - 10.85 AU

Year: 21448 Days

Day: 20.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,951,941 km

• M1: 660,624 km (0.109 R)
• M2: 1,392,307 km (0.108 R)
• M3: 1,595,312 km (0.109 R)
• M4: 2,234,095 km (0.113 R)
• M5: 3,322,270 km (0.093 R)
• M6: 3,915,126 km (0.096 R)
• M7: 4,375,588 km (0.106 R)
• M8: 12,048,164 km (0.076 R)
• M9: 14,469,555 km (0.085 R)
• M10: 16,708,437 km (0.114 R)
• M11: 25,060,187 km (0.09 R)
• M12: 27,009,746 km (0.098 R)
• M13: 30,273,672 km (0.075 R)
• M14: 31,628,580 km (0.098 R)
• M15: 37,452,575 km (0.11 R)
• M16: 39,747,107 km (0.101 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 12,914 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit