🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.1

Radius: 14.9

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.8 AU - 0.94 AU

Year: 524 Days

Day: 6.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,490,138 km

• M1: 185,501 km (0.097 R)
• M2: 666,907 km (0.11 R)
• M3: 1,225,356 km (0.061 R)
• M4: 1,910,215 km (0.09 R)
• M5: 2,613,176 km (0.111 R)
• M6: 3,124,202 km (0.072 R)
• M7: 3,807,565 km (0.117 R)
• M8: 4,278,948 km (0.111 R)
• M9: 4,789,376 km (0.057 R)
• M10: 5,916,297 km (0.06 R)
• M11: 6,494,492 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.9

Radius: 10.5

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.8 AU - 1.16 AU

Year: 626 Days

Day: 12.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,490,138 km

• M1: 134,638 km (0.111 R)
• M2: 473,028 km (0.11 R)
• M3: 1,017,864 km (0.118 R)
• M4: 1,413,700 km (0.083 R)
• M5: 1,812,229 km (0.083 R)
• M6: 2,310,838 km (0.091 R)
• M7: 2,821,865 km (0.119 R)
• M8: 3,385,101 km (0.116 R)
• M9: 3,769,866 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.8

Radius: 14.7

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.91 AU - 1.45 AU

Year: 828 Days

Day: 11 Hours

Environment

Temp: -162 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,490,138 km

• M1: 182,809 km (0.088 R)
• M2: 734,077 km (0.065 R)
• M3: 1,424,172 km (0.109 R)
• M4: 2,443,083 km (0.101 R)
• M5: 2,927,630 km (0.082 R)
• M6: 3,505,377 km (0.096 R)
• M7: 3,984,390 km (0.095 R)
• M8: 4,490,330 km (0.099 R)
• M9: 5,553,671 km (0.089 R)
• M10: 6,040,463 km (0.059 R)
• M11: 8,101,173 km (0.087 R)
• M12: 9,361,835 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.8

Radius: 12.4

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.31 AU - 2.19 AU

Year: 1495 Days

Day: 6.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,490,138 km

• M1: 154,235 km (0.117 R)
• M2: 625,917 km (0.065 R)
• M3: 1,022,202 km (0.062 R)
• M4: 1,439,880 km (0.112 R)
• M5: 2,413,911 km (0.115 R)
• M6: 3,008,563 km (0.063 R)
• M7: 4,148,050 km (0.068 R)
• M8: 4,693,633 km (0.093 R)
• M9: 5,242,957 km (0.09 R)
• M10: 7,709,377 km (0.101 R)
• M11: 8,567,769 km (0.094 R)
• M12: 9,654,149 km (0.058 R)
• M13: 11,754,503 km (0.064 R)
• M14: 13,717,377 km (0.058 R)
• M15: 14,359,750 km (0.082 R)
• M16: 14,843,550 km (0.113 R)

Asteroid Belt

Center: 2.39 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.1

Radius: 13.1

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.88 AU - 3.18 AU

Year: 3405 Days

Day: 8.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,490,138 km

• M1: 163,062 km (0.068 R)
• M2: 575,952 km (0.107 R)
• M3: 1,010,982 km (0.033 R)
• M4: 1,529,489 km (0.082 R)
• M5: 2,254,440 km (0.12 R)
• M6: 3,857,231 km (0.09 R)
• M7: 4,849,514 km (0.073 R)
• M8: 5,665,571 km (0.064 R)
• M9: 7,205,381 km (0.089 R)
• M10: 7,879,918 km (0.113 R)
• M11: 8,559,392 km (0.106 R)
• M12: 11,904,101 km (0.087 R)
• M13: 12,464,495 km (0.109 R)
• M14: 15,262,274 km (0.098 R)
• M15: 16,547,918 km (0.082 R)
• M16: 17,128,807 km (0.076 R)
• M17: 24,524,626 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.4

Radius: 14.6

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.6 AU - 4.06 AU

Year: 4840 Days

Day: 10 Hours

Environment

Temp: -206 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,490,138 km

• M1: 181,612 km (0.085 R)
• M2: 645,066 km (0.099 R)
• M3: 1,321,548 km (0.066 R)
• M4: 1,968,110 km (0.113 R)
• M5: 2,507,111 km (0.101 R)
• M6: 3,285,020 km (0.081 R)
• M7: 4,052,307 km (0.11 R)
• M8: 5,410,955 km (0.051 R)
• M9: 6,290,890 km (0.096 R)
• M10: 7,264,473 km (0.084 R)
• M11: 8,258,999 km (0.06 R)
• M12: 9,426,611 km (0.064 R)
• M13: 12,138,820 km (0.119 R)
• M14: 12,800,043 km (0.087 R)
• M15: 14,139,542 km (0.063 R)
• M16: 15,629,686 km (0.077 R)
• M17: 16,412,981 km (0.116 R)
• M18: 19,810,947 km (0.086 R)
• M19: 20,443,297 km (0.103 R)
• M20: 25,418,324 km (0.075 R)
• M21: 26,841,748 km (0.056 R)
• M22: 28,229,417 km (0.101 R)
• M23: 31,526,106 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 497.9

Radius: 4.6

Gravity: 23.53 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.3 AU - 12.16 AU

Year: 19597 Days

Day: 19.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,490,138 km

• M1: 60,288 km (0.101 R)
• M2: 234,420 km (0.076 R)
• M3: 867,069 km (0.115 R)
• M4: 2,372,024 km (0.101 R)
• M5: 2,850,438 km (0.065 R)
• M6: 4,213,125 km (0.106 R)
• M7: 5,493,683 km (0.048 R)
• M8: 6,161,188 km (0.119 R)
• M9: 7,238,592 km (0.076 R)
• M10: 9,870,767 km (0.09 R)
• M11: 13,766,146 km (0.112 R)
• M12: 13,977,079 km (0.084 R)
• M13: 16,838,437 km (0.082 R)
• M14: 16,998,956 km (0.086 R)
• M15: 19,887,840 km (0.102 R)
• M16: 23,285,956 km (0.058 R)
• M17: 29,425,602 km (0.096 R)
• M18: 31,446,220 km (0.078 R)
• M19: 34,712,540 km (0.1 R)
• M20: 38,754,076 km (0.078 R)
• M21: 43,398,791 km (0.085 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 15,530 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit