🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.8

Radius: 11

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.56 AU - 0.64 AU

Year: 315 Days

Day: 5.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,732,708 km

• M1: 136,732 km (0.111 R)
• M2: 704,008 km (0.107 R)
• M3: 1,082,341 km (0.12 R)
• M4: 1,541,756 km (0.099 R)
• M5: 1,951,205 km (0.106 R)
• M6: 2,346,293 km (0.072 R)
• M7: 3,444,641 km (0.077 R)
• M8: 4,192,331 km (0.043 R)
• M9: 4,702,160 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.9

Radius: 8.2

Gravity: 10.96 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.41 AU - 2.15 AU

Year: 1611 Days

Day: 5.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,732,708 km

• M1: 121,773 km (0.089 R)
• M2: 769,980 km (0.112 R)
• M3: 1,790,238 km (0.058 R)
• M4: 2,596,869 km (0.087 R)
• M5: 4,140,570 km (0.054 R)
• M6: 4,803,737 km (0.03 R)
• M7: 6,023,857 km (0.066 R)
• M8: 6,490,004 km (0.109 R)
• M9: 9,157,634 km (0.079 R)
• M10: 9,873,908 km (0.097 R)
• M11: 10,348,881 km (0.049 R)
• M12: 11,344,455 km (0.111 R)
• M13: 12,093,641 km (0.055 R)
• M14: 13,442,565 km (0.094 R)
• M15: 14,153,305 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.1

Radius: 10.6

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.14 AU - 2.16 AU

Year: 2138 Days

Day: 7.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,732,708 km

• M1: 131,796 km (0.104 R)
• M2: 587,770 km (0.057 R)
• M3: 1,015,470 km (0.09 R)
• M4: 1,449,603 km (0.05 R)
• M5: 1,915,750 km (0.046 R)
• M6: 3,074,984 km (0.109 R)
• M7: 3,465,435 km (0.08 R)
• M8: 3,889,096 km (0.091 R)
• M9: 4,347,015 km (0.116 R)
• M10: 5,035,614 km (0.112 R)
• M11: 7,746,028 km (0.078 R)
• M12: 10,637,157 km (0.11 R)
• M13: 11,155,513 km (0.088 R)
• M14: 11,964,688 km (0.082 R)
• M15: 12,812,459 km (0.076 R)
• M16: 13,916,940 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.8

Radius: 12.9

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.7 AU - 4.8 AU

Year: 7022 Days

Day: 5.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,732,708 km

• M1: 163,660 km (0.049 R)
• M2: 580,889 km (0.118 R)
• M3: 1,053,019 km (0.12 R)
• M4: 2,055,774 km (0.094 R)
• M5: 3,044,616 km (0.086 R)
• M6: 4,243,044 km (0.043 R)
• M7: 4,660,572 km (0.111 R)
• M8: 5,630,415 km (0.111 R)
• M9: 7,742,139 km (0.11 R)
• M10: 8,403,062 km (0.089 R)
• M11: 8,958,519 km (0.083 R)
• M12: 9,538,360 km (0.099 R)
• M13: 10,220,676 km (0.099 R)
• M14: 11,513,800 km (0.079 R)
• M15: 13,466,202 km (0.119 R)
• M16: 14,472,248 km (0.061 R)
• M17: 15,373,724 km (0.118 R)
• M18: 16,153,279 km (0.094 R)
• M19: 16,850,106 km (0.046 R)
• M20: 17,904,472 km (0.107 R)
• M21: 19,298,574 km (0.104 R)
• M22: 19,961,293 km (0.075 R)
• M23: 20,576,738 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418.7

Radius: 3.9

Gravity: 27.53 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 7.13 AU - 9.05 AU

Year: 15607 Days

Day: 22.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,732,708 km

• M1: 58,044 km (0.077 R)
• M2: 225,743 km (0.119 R)
• M3: 1,554,771 km (0.073 R)
• M4: 3,120,761 km (0.118 R)
• M5: 4,549,720 km (0.049 R)
• M6: 5,762,360 km (0.034 R)
• M7: 8,097,882 km (0.083 R)
• M8: 8,235,961 km (0.098 R)
• M9: 10,444,475 km (0.07 R)
• M10: 14,996,887 km (0.094 R)
• M11: 24,722,993 km (0.055 R)
• M12: 26,501,263 km (0.096 R)
• M13: 38,859,692 km (0.097 R)
• M14: 39,780,617 km (0.099 R)
• M15: 42,908,708 km (0.117 R)
• M16: 46,343,625 km (0.099 R)
• M17: 47,677,589 km (0.105 R)
• M18: 53,108,590 km (0.071 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 17,459 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit