🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.3

Radius: 11.1

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.13 AU - 1.41 AU

Year: 988 Days

Day: 5.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,180,389 km

• M1: 138,378 km (0.113 R)
• M2: 559,197 km (0.091 R)
• M3: 1,109,119 km (0.101 R)
• M4: 1,595,760 km (0.117 R)
• M5: 2,120,849 km (0.075 R)
• M6: 2,628,883 km (0.112 R)
• M7: 2,981,934 km (0.1 R)
• M8: 3,666,195 km (0.114 R)
• M9: 4,157,026 km (0.115 R)
• M10: 5,618,148 km (0.08 R)
• M11: 8,031,610 km (0.09 R)
• M12: 9,271,627 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.9

Radius: 13.6

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.02 AU - 1.58 AU

Year: 1023 Days

Day: 5.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 57,180,389 km

• M1: 174,730 km (0.083 R)
• M2: 627,114 km (0.111 R)
• M3: 1,155,644 km (0.102 R)
• M4: 2,789,103 km (0.058 R)
• M5: 3,757,001 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673

Radius: 12.3

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.94 AU - 2.56 AU

Year: 2330 Days

Day: 11.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,180,389 km

• M1: 153,039 km (0.067 R)
• M2: 728,242 km (0.03 R)
• M3: 1,928,466 km (0.083 R)
• M4: 2,470,459 km (0.076 R)
• M5: 2,892,176 km (0.075 R)
• M6: 4,213,274 km (0.101 R)
• M7: 5,225,902 km (0.051 R)
• M8: 6,341,304 km (0.075 R)
• M9: 7,284,818 km (0.056 R)
• M10: 8,351,451 km (0.084 R)
• M11: 9,380,534 km (0.061 R)
• M12: 10,270,642 km (0.076 R)
• M13: 13,063,484 km (0.11 R)
• M14: 14,127,724 km (0.095 R)
• M15: 14,541,511 km (0.101 R)
• M16: 15,586,901 km (0.116 R)
• M17: 17,721,065 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.8

Radius: 9

Gravity: 10.42 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.25 AU - 5.13 AU

Year: 5920 Days

Day: 10.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,180,389 km

• M1: 112,049 km (0.096 R)
• M2: 414,087 km (0.066 R)
• M3: 710,739 km (0.077 R)
• M4: 1,136,645 km (0.12 R)
• M5: 2,354,670 km (0.088 R)
• M6: 2,923,741 km (0.069 R)
• M7: 3,982,445 km (0.099 R)
• M8: 5,798,862 km (0.099 R)
• M9: 6,625,839 km (0.115 R)
• M10: 7,158,557 km (0.041 R)
• M11: 7,567,109 km (0.072 R)
• M12: 8,189,137 km (0.049 R)
• M13: 10,589,734 km (0.114 R)
• M14: 11,417,758 km (0.119 R)
• M15: 13,931,751 km (0.085 R)
• M16: 14,687,519 km (0.086 R)
• M17: 15,045,507 km (0.097 R)
• M18: 15,470,365 km (0.1 R)
• M19: 16,471,773 km (0.091 R)
• M20: 17,184,756 km (0.056 R)
• M21: 18,053,920 km (0.083 R)
• M22: 22,606,033 km (0.061 R)
• M23: 24,891,889 km (0.104 R)
• M24: 26,177,683 km (0.099 R)
• M25: 31,076,414 km (0.086 R)
• M26: 31,865,394 km (0.104 R)
• M27: 35,048,687 km (0.075 R)
• M28: 36,119,209 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318.6

Radius: 4

Gravity: 19.91 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 8.65 AU - 9.65 AU

Year: 19105 Days

Day: 15.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,180,389 km

• M1: 49,816 km (0.106 R)
• M2: 355,893 km (0.071 R)
• M3: 493,224 km (0.077 R)
• M4: 735,872 km (0.117 R)
• M5: 910,602 km (0.107 R)
• M6: 1,290,431 km (0.065 R)
• M7: 1,654,852 km (0.079 R)
• M8: 2,693,061 km (0.087 R)
• M9: 3,816,840 km (0.089 R)
• M10: 4,252,319 km (0.099 R)
• M11: 5,538,412 km (0.042 R)
• M12: 6,095,515 km (0.115 R)
• M13: 6,853,677 km (0.12 R)
• M14: 7,320,422 km (0.106 R)
• M15: 14,540,165 km (0.077 R)
• M16: 16,549,414 km (0.095 R)
• M17: 18,655,004 km (0.112 R)
• M18: 24,539,436 km (0.079 R)
• M19: 25,029,818 km (0.107 R)
• M20: 25,929,051 km (0.051 R)
• M21: 29,081,826 km (0.112 R)
• M22: 29,741,553 km (0.082 R)
• M23: 46,300,242 km (0.086 R)
• M24: 55,483,606 km (0.097 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 16,379 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit