🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.49 AU - 0.61 AU

Year: 268 Days

Day: 30.3 Hours

Environment

Temp: -119 °C

Axial Tilt: 29.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 26,840,413 km

• M1: 395,387 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.5

Radius: 10.5

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.62 AU - 0.98 AU

Year: 469 Days

Day: 6.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,840,413 km

• M1: 130,599 km (0.068 R)
• M2: 682,166 km (0.072 R)
• M3: 1,034,020 km (0.104 R)
• M4: 1,466,658 km (0.116 R)
• M5: 1,911,861 km (0.107 R)
• M6: 2,246,511 km (0.037 R)
• M7: 2,687,077 km (0.112 R)
• M8: 3,026,215 km (0.097 R)
• M9: 3,565,815 km (0.103 R)
• M10: 4,104,068 km (0.105 R)
• M11: 4,570,365 km (0.074 R)
• M12: 4,953,933 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.6

Radius: 8.5

Gravity: 12.05 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.54 AU - 2.1 AU

Year: 1611 Days

Day: 13.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 26,840,413 km

• M1: 105,766 km (0.061 R)
• M2: 534,513 km (0.098 R)
• M3: 847,921 km (0.083 R)
• M4: 1,630,617 km (0.105 R)
• M5: 2,048,294 km (0.098 R)
• M6: 2,417,053 km (0.109 R)
• M7: 2,947,527 km (0.08 R)
• M8: 3,922,606 km (0.074 R)
• M9: 4,717,419 km (0.12 R)
• M10: 5,755,928 km (0.098 R)
• M11: 6,519,774 km (0.029 R)
• M12: 6,912,918 km (0.07 R)
• M13: 7,804,671 km (0.074 R)
• M14: 9,282,997 km (0.12 R)
• M15: 9,747,348 km (0.065 R)
• M16: 10,019,617 km (0.11 R)
• M17: 10,830,587 km (0.087 R)
• M18: 12,265,529 km (0.101 R)
• M19: 14,738,233 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.2

Radius: 12

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.5 AU - 2.52 AU

Year: 2609 Days

Day: 12.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 26,840,413 km

• M1: 149,747 km (0.066 R)
• M2: 723,306 km (0.053 R)
• M3: 1,110,016 km (0.08 R)
• M4: 1,640,341 km (0.05 R)
• M5: 2,336,569 km (0.067 R)
• M6: 3,009,311 km (0.062 R)
• M7: 3,568,508 km (0.084 R)
• M8: 4,057,244 km (0.12 R)
• M9: 5,146,765 km (0.102 R)
• M10: 5,623,833 km (0.057 R)
• M11: 6,314,975 km (0.109 R)
• M12: 6,919,201 km (0.09 R)
• M13: 7,835,787 km (0.103 R)
• M14: 8,275,605 km (0.111 R)
• M15: 10,424,877 km (0.06 R)
• M16: 13,808,033 km (0.077 R)
• M17: 14,591,477 km (0.076 R)
• M18: 15,307,004 km (0.074 R)
• M19: 16,196,513 km (0.094 R)
• M20: 17,172,489 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.7

Radius: 12.4

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.51 AU - 4.05 AU

Year: 3897 Days

Day: 9 Hours

Environment

Temp: -199 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,840,413 km

• M1: 164,109 km (0.081 R)
• M2: 1,041,800 km (0.105 R)
• M3: 1,488,349 km (0.106 R)
• M4: 4,053,354 km (0.094 R)
• M5: 5,646,721 km (0.113 R)
• M6: 6,162,235 km (0.101 R)
• M7: 6,930,271 km (0.098 R)
• M8: 8,436,273 km (0.083 R)
• M9: 10,741,277 km (0.095 R)
• M10: 11,625,699 km (0.11 R)
• M11: 12,510,122 km (0.073 R)
• M12: 13,640,035 km (0.109 R)
• M13: 15,989,918 km (0.098 R)
• M14: 19,937,656 km (0.086 R)
• M15: 22,101,440 km (0.071 R)
• M16: 22,594,814 km (0.032 R)
• M17: 23,023,561 km (0.041 R)
• M18: 24,717,907 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.7

Radius: 8

Gravity: 10.54 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.34 AU - 3.58 AU

Year: 4222 Days

Day: 8.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 26,840,413 km

• M1: 102,026 km (0.069 R)
• M2: 497,563 km (0.098 R)
• M3: 779,106 km (0.047 R)
• M4: 1,060,499 km (0.063 R)
• M5: 1,685,669 km (0.119 R)
• M6: 1,996,982 km (0.118 R)
• M7: 2,331,184 km (0.097 R)
• M8: 2,753,648 km (0.06 R)
• M9: 3,462,144 km (0.055 R)
• M10: 4,380,824 km (0.086 R)
• M11: 4,695,728 km (0.116 R)
• M12: 5,991,844 km (0.101 R)
• M13: 6,534,435 km (0.103 R)
• M14: 8,544,881 km (0.025 R)
• M15: 9,232,433 km (0.081 R)
• M16: 9,792,228 km (0.081 R)
• M17: 11,112,279 km (0.12 R)
• M18: 12,838,340 km (0.028 R)
• M19: 13,485,051 km (0.077 R)
• M20: 15,224,426 km (0.086 R)
• M21: 17,526,887 km (0.091 R)
• M22: 21,470,286 km (0.051 R)
• M23: 23,026,553 km (0.114 R)
• M24: 24,884,559 km (0.093 R)
• M25: 25,811,018 km (0.067 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 12,393 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit