🌌 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: 888.9

Radius: 12.6

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.47 AU - 0.73 AU

Year: 310 Days

Day: 6.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,399,438 km

• M1: 156,928 km (0.09 R)
• M2: 571,314 km (0.051 R)
• M3: 1,127,519 km (0.099 R)
• M4: 1,647,671 km (0.109 R)
• M5: 2,530,298 km (0.099 R)
• M6: 3,006,319 km (0.091 R)
• M7: 3,405,147 km (0.076 R)
• M8: 4,076,991 km (0.118 R)
• M9: 4,554,358 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.3

Radius: 12.3

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.62 AU - 1 AU

Year: 486 Days

Day: 10 Hours

Environment

Temp: -175 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,399,438 km

• M1: 153,338 km (0.034 R)
• M2: 568,322 km (0.109 R)
• M3: 989,141 km (0.053 R)
• M4: 1,393,355 km (0.084 R)
• M5: 2,105,141 km (0.083 R)
• M6: 2,783,717 km (0.094 R)
• M7: 3,175,065 km (0.084 R)
• M8: 3,674,722 km (0.079 R)
• M9: 4,161,065 km (0.078 R)
• M10: 5,023,197 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.8

Radius: 10.8

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.07 AU - 1.09 AU

Year: 748 Days

Day: 9.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,399,438 km

• M1: 134,339 km (0.068 R)
• M2: 619,485 km (0.109 R)
• M3: 965,205 km (0.045 R)
• M4: 1,699,731 km (0.086 R)
• M5: 2,065,647 km (0.117 R)
• M6: 2,512,347 km (0.077 R)
• M7: 3,736,805 km (0.09 R)
• M8: 4,173,781 km (0.088 R)
• M9: 4,804,635 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.3

Radius: 12.6

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.11 AU - 2.55 AU

Year: 2372 Days

Day: 9.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,399,438 km

• M1: 156,779 km (0.113 R)
• M2: 733,778 km (0.058 R)
• M3: 1,401,134 km (0.116 R)
• M4: 1,856,809 km (0.068 R)
• M5: 3,445,389 km (0.108 R)
• M6: 3,895,529 km (0.117 R)
• M7: 4,733,875 km (0.092 R)
• M8: 5,292,473 km (0.038 R)
• M9: 5,779,863 km (0.095 R)
• M10: 6,200,832 km (0.084 R)
• M11: 6,794,137 km (0.043 R)
• M12: 7,506,672 km (0.115 R)
• M13: 8,239,252 km (0.03 R)
• M14: 8,743,547 km (0.087 R)
• M15: 9,205,804 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.5

Radius: 14.1

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.7 AU - 4.18 AU

Year: 4255 Days

Day: 5 Hours

Environment

Temp: -208 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,399,438 km

• M1: 185,950 km (0.115 R)
• M2: 949,049 km (0.105 R)
• M3: 1,603,689 km (0.069 R)
• M4: 3,434,019 km (0.038 R)
• M5: 4,311,111 km (0.038 R)
• M6: 5,970,451 km (0.084 R)
• M7: 6,423,284 km (0.059 R)
• M8: 8,158,769 km (0.094 R)
• M9: 9,377,692 km (0.038 R)
• M10: 10,189,111 km (0.107 R)
• M11: 11,215,801 km (0.082 R)
• M12: 12,953,680 km (0.113 R)
• M13: 14,009,990 km (0.118 R)
• M14: 15,175,058 km (0.056 R)
• M15: 15,701,344 km (0.031 R)
• M16: 17,239,958 km (0.115 R)
• M17: 19,795,688 km (0.096 R)
• M18: 20,424,597 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 599.1

Radius: 6

Gravity: 16.64 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.95 AU - 9.81 AU

Year: 14751 Days

Day: 19.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 59,399,438 km

• M1: 74,649 km (0.096 R)
• M2: 282,890 km (0.031 R)
• M3: 600,785 km (0.072 R)
• M4: 1,521,560 km (0.077 R)
• M5: 1,911,262 km (0.108 R)
• M6: 3,593,640 km (0.053 R)
• M7: 4,284,184 km (0.034 R)
• M8: 5,444,615 km (0.062 R)
• M9: 6,842,607 km (0.037 R)
• M10: 7,183,091 km (0.045 R)
• M11: 7,401,654 km (0.065 R)
• M12: 10,381,793 km (0.068 R)
• M13: 11,830,200 km (0.076 R)
• M14: 12,320,731 km (0.114 R)
• M15: 12,634,139 km (0.1 R)
• M16: 12,824,876 km (0.059 R)
• M17: 15,993,658 km (0.12 R)
• M18: 16,442,003 km (0.051 R)
• M19: 17,052,811 km (0.098 R)
• M20: 18,077,556 km (0.096 R)
• M21: 18,400,987 km (0.106 R)
• M22: 19,818,726 km (0.092 R)
• M23: 20,076,184 km (0.1 R)
• M24: 24,803,177 km (0.118 R)
• M25: 26,843,094 km (0.115 R)
• M26: 27,476,192 km (0.052 R)
• M27: 29,770,575 km (0.084 R)
• M28: 31,021,961 km (0.09 R)
• M29: 31,836,372 km (0.084 R)
• M30: 35,995,492 km (0.104 R)
• M31: 38,337,446 km (0.1 R)
• M32: 38,737,471 km (0.104 R)
• M33: 49,348,897 km (0.05 R)
• M34: 50,139,372 km (0.065 R)
• M35: 53,220,190 km (0.104 R)
• M36: 54,386,455 km (0.099 R)
• M37: 56,425,026 km (0.088 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 10,805 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit