🌌 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: 286.7

Radius: 14.8

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.76 AU - 0.8 AU

Year: 476 Days

Day: 12.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 28,376,113 km

• M1: 184,753 km (0.071 R)
• M2: 684,111 km (0.103 R)
• M3: 1,241,064 km (0.098 R)
• M4: 3,192,718 km (0.105 R)
• M5: 3,774,504 km (0.056 R)
• M6: 4,492,424 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.4

Radius: 14.6

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.97 AU - 1.51 AU

Year: 953 Days

Day: 8.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,376,113 km

• M1: 186,848 km (0.106 R)
• M2: 708,795 km (0.113 R)
• M3: 1,834,967 km (0.098 R)
• M4: 2,430,367 km (0.114 R)
• M5: 3,102,211 km (0.118 R)
• M6: 4,752,874 km (0.106 R)
• M7: 5,576,111 km (0.071 R)
• M8: 6,731,455 km (0.075 R)
• M9: 7,650,585 km (0.103 R)
• M10: 8,809,370 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.2

Radius: 14.1

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.78 AU - 1.82 AU

Year: 1667 Days

Day: 8.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,376,113 km

• M1: 175,329 km (0.086 R)
• M2: 679,025 km (0.076 R)
• M3: 1,140,385 km (0.071 R)
• M4: 1,677,591 km (0.1 R)
• M5: 2,569,942 km (0.05 R)
• M6: 3,078,425 km (0.076 R)
• M7: 4,622,275 km (0.119 R)
• M8: 5,636,549 km (0.105 R)
• M9: 6,096,712 km (0.111 R)
• M10: 9,079,394 km (0.097 R)
• M11: 10,236,533 km (0.061 R)
• M12: 11,036,284 km (0.118 R)
• M13: 11,995,206 km (0.046 R)
• M14: 14,344,341 km (0.104 R)
• M15: 15,722,138 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.4

Radius: 10.8

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.08 AU - 4.04 AU

Year: 4636 Days

Day: 11.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,376,113 km

• M1: 134,339 km (0.102 R)
• M2: 508,782 km (0.094 R)
• M3: 940,372 km (0.06 R)
• M4: 1,425,069 km (0.11 R)
• M5: 1,790,238 km (0.065 R)
• M6: 2,188,916 km (0.071 R)
• M7: 2,908,332 km (0.086 R)
• M8: 3,505,078 km (0.098 R)
• M9: 6,271,592 km (0.106 R)
• M10: 7,303,218 km (0.032 R)
• M11: 9,907,867 km (0.082 R)
• M12: 11,487,471 km (0.067 R)
• M13: 12,049,660 km (0.054 R)
• M14: 18,152,355 km (0.075 R)
• M15: 18,786,650 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 689

Radius: 3.5

Gravity: 56.24 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.23 AU - 6.17 AU

Year: 9393 Days

Day: 24 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,376,113 km

• M1: 44,879 km (0.12 R)
• M2: 411,693 km (0.046 R)
• M3: 540,198 km (0.114 R)
• M4: 1,131,409 km (0.08 R)
• M5: 2,337,018 km (0.096 R)
• M6: 3,261,982 km (0.117 R)
• M7: 3,626,402 km (0.09 R)
• M8: 3,884,010 km (0.07 R)
• M9: 5,935,146 km (0.106 R)
• M10: 6,477,139 km (0.093 R)
• M11: 7,090,640 km (0.091 R)
• M12: 8,521,394 km (0.087 R)
• M13: 11,495,998 km (0.063 R)
• M14: 13,946,710 km (0.113 R)
• M15: 15,559,375 km (0.057 R)
• M16: 23,694,358 km (0.093 R)
• M17: 35,995,791 km (0.119 R)
• M18: 38,023,740 km (0.088 R)
• M19: 43,357,352 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156.9

Radius: 4

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.47 AU - 7.03 AU

Year: 9517 Days

Day: 23.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 28,376,113 km

• M1: 50,714 km (0.111 R)
• M2: 191,336 km (0.112 R)
• M3: 446,250 km (0.073 R)
• M4: 658,380 km (0.037 R)
• M5: 799,301 km (0.105 R)
• M6: 995,424 km (0.111 R)
• M7: 1,890,019 km (0.028 R)
• M8: 2,074,324 km (0.072 R)
• M9: 2,286,155 km (0.095 R)
• M10: 3,143,350 km (0.115 R)
• M11: 4,460,709 km (0.093 R)
• M12: 4,944,808 km (0.065 R)
• M13: 5,519,563 km (0.092 R)
• M14: 6,198,887 km (0.066 R)
• M15: 7,132,677 km (0.027 R)
• M16: 9,891,112 km (0.065 R)
• M17: 10,933,959 km (0.101 R)
• M18: 11,205,629 km (0.109 R)
• M19: 11,952,122 km (0.075 R)
• M20: 12,240,547 km (0.116 R)
• M21: 16,959,163 km (0.101 R)
• M22: 19,485,272 km (0.039 R)
• M23: 20,768,523 km (0.085 R)
• M24: 22,614,411 km (0.085 R)
• M25: 23,878,812 km (0.034 R)
• M26: 25,425,654 km (0.072 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 19,618 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit