🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.4

Radius: 12.5

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.57 AU - 0.83 AU

Year: 384 Days

Day: 5.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 85,720,060 km

• M1: 155,582 km (0.085 R)
• M2: 678,576 km (0.03 R)
• M3: 1,241,812 km (0.103 R)
• M4: 1,644,978 km (0.099 R)
• M5: 2,067,891 km (0.112 R)
• M6: 2,564,257 km (0.038 R)
• M7: 3,270,808 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.8

Radius: 15

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.33 AU - 1.57 AU

Year: 1145 Days

Day: 14.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,720,060 km

• M1: 186,549 km (0.084 R)
• M2: 678,576 km (0.116 R)
• M3: 1,225,057 km (0.111 R)
• M4: 1,799,064 km (0.034 R)
• M5: 2,432,162 km (0.077 R)
• M6: 2,906,088 km (0.064 R)
• M7: 3,442,397 km (0.12 R)
• M8: 4,202,503 km (0.085 R)
• M9: 6,268,001 km (0.047 R)
• M10: 7,080,318 km (0.066 R)
• M11: 7,595,981 km (0.114 R)
• M12: 8,111,645 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.1

Radius: 13.4

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.09 AU - 3.21 AU

Year: 2830 Days

Day: 10.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,720,060 km

• M1: 166,652 km (0.069 R)
• M2: 668,702 km (0.088 R)
• M3: 1,676,394 km (0.12 R)
• M4: 2,505,316 km (0.069 R)
• M5: 3,260,785 km (0.072 R)
• M6: 3,966,737 km (0.119 R)
• M7: 4,706,947 km (0.036 R)
• M8: 5,250,436 km (0.032 R)
• M9: 6,463,825 km (0.09 R)
• M10: 7,312,494 km (0.03 R)
• M11: 9,405,667 km (0.054 R)
• M12: 11,307,804 km (0.084 R)
• M13: 12,711,032 km (0.117 R)
• M14: 13,365,672 km (0.029 R)
• M15: 15,125,392 km (0.112 R)
• M16: 16,620,323 km (0.088 R)
• M17: 18,708,111 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.7

Radius: 15

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.77 AU - 4.31 AU

Year: 4369 Days

Day: 13.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 85,720,060 km

• M1: 190,887 km (0.099 R)
• M2: 747,391 km (0.12 R)
• M3: 1,374,356 km (0.116 R)
• M4: 2,985,375 km (0.062 R)
• M5: 3,559,083 km (0.083 R)
• M6: 5,052,070 km (0.05 R)
• M7: 6,119,151 km (0.075 R)
• M8: 7,083,459 km (0.073 R)
• M9: 8,012,462 km (0.101 R)
• M10: 8,913,340 km (0.067 R)
• M11: 9,765,599 km (0.074 R)
• M12: 11,504,675 km (0.104 R)
• M13: 12,246,381 km (0.102 R)
• M14: 13,253,324 km (0.119 R)
• M15: 15,800,078 km (0.12 R)
• M16: 17,049,370 km (0.076 R)
• M17: 17,555,759 km (0.089 R)
• M18: 18,480,872 km (0.094 R)
• M19: 20,428,487 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 994.4

Radius: 4.3

Gravity: 53.78 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.28 AU - 12.14 AU

Year: 19849 Days

Day: 17 Hours

Environment

Temp: -221 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 85,720,060 km

• M1: 60,288 km (0.1 R)
• M2: 303,983 km (0.075 R)
• M3: 791,522 km (0.11 R)
• M4: 1,720,974 km (0.094 R)
• M5: 2,078,662 km (0.084 R)
• M6: 2,436,501 km (0.066 R)
• M7: 3,821,627 km (0.085 R)
• M8: 6,044,502 km (0.112 R)
• M9: 6,265,308 km (0.12 R)
• M10: 6,769,902 km (0.071 R)
• M11: 7,859,872 km (0.045 R)
• M12: 8,778,403 km (0.067 R)
• M13: 9,527,589 km (0.054 R)
• M14: 9,887,222 km (0.102 R)
• M15: 11,086,249 km (0.069 R)
• M16: 14,937,347 km (0.092 R)
• M17: 15,259,731 km (0.049 R)
• M18: 17,827,129 km (0.045 R)
• M19: 20,668,442 km (0.075 R)
• M20: 20,968,236 km (0.113 R)
• M21: 25,246,286 km (0.093 R)
• M22: 25,818,797 km (0.102 R)
• M23: 26,050,225 km (0.12 R)
• M24: 27,108,780 km (0.103 R)
• M25: 27,709,116 km (0.03 R)
• M26: 29,060,882 km (0.114 R)
• M27: 32,295,488 km (0.115 R)
• M28: 35,191,553 km (0.106 R)
• M29: 37,956,720 km (0.1 R)
• M30: 38,106,168 km (0.07 R)
• M31: 40,394,866 km (0.101 R)
• M32: 40,863,257 km (0.09 R)
• M33: 41,652,086 km (0.114 R)
• M34: 43,750,496 km (0.087 R)
• M35: 60,445,768 km (0.112 R)
• M36: 63,551,120 km (0.057 R)
• M37: 65,249,954 km (0.073 R)
• M38: 66,110,590 km (0.108 R)
• M39: 66,543,676 km (0.049 R)
• M40: 70,753,510 km (0.081 R)
• M41: 75,137,475 km (0.07 R)
• M42: 78,239,088 km (0.083 R)
• M43: 83,933,681 km (0.117 R)
• M44: 85,463,319 km (0.076 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: 268 - 12,822 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit