🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.3

Radius: 14.9

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.62 AU - 1 AU

Year: 478 Days

Day: 5.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,229,659 km

• M1: 185,352 km (0.097 R)
• M2: 798,853 km (0.109 R)
• M3: 1,367,773 km (0.112 R)
• M4: 2,405,384 km (0.107 R)
• M5: 2,874,523 km (0.056 R)
• M6: 3,734,561 km (0.104 R)
• M7: 5,125,971 km (0.06 R)
• M8: 6,299,566 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.2

Radius: 13.7

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.88 AU - 1.38 AU

Year: 788 Days

Day: 6.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,229,659 km

• M1: 172,337 km (0.105 R)
• M2: 710,739 km (0.068 R)
• M3: 1,157,588 km (0.085 R)
• M4: 1,595,910 km (0.111 R)
• M5: 2,050,239 km (0.076 R)
• M6: 3,121,958 km (0.035 R)
• M7: 4,110,351 km (0.074 R)
• M8: 4,965,004 km (0.084 R)
• M9: 6,272,788 km (0.071 R)
• M10: 6,763,021 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.6

Radius: 13.8

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.15 AU - 1.17 AU

Year: 820 Days

Day: 12.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,229,659 km

• M1: 177,872 km (0.117 R)
• M2: 1,015,321 km (0.098 R)
• M3: 1,809,536 km (0.078 R)
• M4: 2,792,244 km (0.096 R)
• M5: 3,466,781 km (0.032 R)
• M6: 4,438,718 km (0.105 R)
• M7: 5,177,283 km (0.09 R)
• M8: 5,672,901 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613

Radius: 10.3

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.3 AU - 2.78 AU

Year: 2656 Days

Day: 10.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,229,659 km

• M1: 128,056 km (0.047 R)
• M2: 655,388 km (0.091 R)
• M3: 990,488 km (0.091 R)
• M4: 1,522,458 km (0.064 R)
• M5: 2,583,854 km (0.099 R)
• M6: 3,230,566 km (0.109 R)
• M7: 3,807,415 km (0.116 R)
• M8: 4,689,594 km (0.115 R)
• M9: 6,088,334 km (0.098 R)
• M10: 7,173,816 km (0.064 R)
• M11: 7,562,920 km (0.079 R)
• M12: 8,156,973 km (0.072 R)
• M13: 9,474,033 km (0.104 R)
• M14: 10,276,775 km (0.11 R)
• M15: 10,810,690 km (0.11 R)
• M16: 15,130,628 km (0.03 R)
• M17: 17,535,563 km (0.11 R)
• M18: 18,688,514 km (0.035 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.9

Radius: 14.6

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.39 AU - 4.01 AU

Year: 4669 Days

Day: 13.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,229,659 km

• M1: 182,061 km (0.047 R)
• M2: 852,409 km (0.052 R)
• M3: 1,463,067 km (0.085 R)
• M4: 1,949,559 km (0.041 R)
• M5: 2,408,077 km (0.105 R)
• M6: 2,922,544 km (0.025 R)
• M7: 4,732,080 km (0.074 R)
• M8: 5,335,857 km (0.086 R)
• M9: 5,822,200 km (0.112 R)
• M10: 6,577,220 km (0.078 R)
• M11: 7,073,735 km (0.099 R)
• M12: 8,606,515 km (0.074 R)
• M13: 11,285,663 km (0.081 R)
• M14: 13,469,643 km (0.111 R)
• M15: 13,968,552 km (0.118 R)
• M16: 15,003,470 km (0.034 R)
• M17: 15,594,082 km (0.044 R)
• M18: 17,577,451 km (0.094 R)
• M19: 18,416,096 km (0.06 R)
• M20: 21,971,738 km (0.082 R)
• M21: 23,586,049 km (0.091 R)
• M22: 24,459,102 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 28.2

Radius: 4.5

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 7.19 AU - 11.13 AU

Year: 18187 Days

Day: 24.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,229,659 km

• M1: 56,099 km (0.109 R)
• M2: 241,152 km (0.079 R)
• M3: 409,001 km (0.099 R)
• M4: 1,690,456 km (0.086 R)
• M5: 2,692,762 km (0.093 R)
• M6: 4,016,852 km (0.1 R)
• M7: 8,458,862 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 397.4

Radius: 3.9

Gravity: 26.13 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 8.23 AU - 10.91 AU

Year: 19421 Days

Day: 22.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,229,659 km

• M1: 74,799 km (0.08 R)
• M2: 317,746 km (0.038 R)
• M3: 461,659 km (0.102 R)
• M4: 1,153,998 km (0.108 R)
• M5: 1,865,336 km (0.079 R)
• M6: 2,029,295 km (0.118 R)
• M7: 3,353,835 km (0.113 R)
• M8: 3,968,682 km (0.081 R)
• M9: 5,237,721 km (0.099 R)
• M10: 5,602,141 km (0.087 R)
• M11: 7,636,074 km (0.068 R)
• M12: 8,104,315 km (0.052 R)
• M13: 10,621,299 km (0.117 R)
• M14: 12,180,857 km (0.046 R)
• M15: 13,212,783 km (0.117 R)
• M16: 14,441,879 km (0.103 R)
• M17: 15,229,512 km (0.119 R)
• M18: 15,670,826 km (0.092 R)
• M19: 16,811,659 km (0.113 R)
• M20: 29,670,344 km (0.076 R)
• M21: 32,485,926 km (0.059 R)
• M22: 35,218,780 km (0.104 R)
• M23: 37,167,441 km (0.109 R)
• M24: 46,444,454 km (0.113 R)
• M25: 48,310,538 km (0.106 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 408 - 20,226 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit