🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.3

Radius: 10.9

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.63 AU - 0.67 AU

Year: 362 Days

Day: 14.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,178,819 km

• M1: 135,536 km (0.116 R)
• M2: 513,569 km (0.073 R)
• M3: 980,016 km (0.107 R)
• M4: 1,345,034 km (0.033 R)
• M5: 1,698,983 km (0.081 R)
• M6: 2,528,952 km (0.062 R)
• M7: 3,244,778 km (0.11 R)
• M8: 3,785,724 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.7

Radius: 8.5

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.36 AU - 1.4 AU

Year: 1119 Days

Day: 7.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,178,819 km

• M1: 105,766 km (0.087 R)
• M2: 454,329 km (0.1 R)
• M3: 757,713 km (0.117 R)
• M4: 1,425,967 km (0.099 R)
• M5: 1,833,172 km (0.12 R)
• M6: 2,452,657 km (0.097 R)
• M7: 2,776,387 km (0.098 R)
• M8: 4,210,731 km (0.118 R)
• M9: 4,811,816 km (0.09 R)
• M10: 5,524,649 km (0.092 R)
• M11: 5,945,618 km (0.117 R)
• M12: 6,265,308 km (0.076 R)
• M13: 7,293,495 km (0.081 R)
• M14: 8,232,969 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.1

Radius: 11.1

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.12 AU - 5.2 AU

Year: 5857 Days

Day: 13 Hours

Environment

Temp: -216 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,178,819 km

• M1: 138,677 km (0.052 R)
• M2: 844,630 km (0.056 R)
• M3: 1,396,646 km (0.117 R)
• M4: 2,093,772 km (0.075 R)
• M5: 2,481,380 km (0.088 R)
• M6: 2,916,859 km (0.108 R)
• M7: 3,702,697 km (0.107 R)
• M8: 4,234,817 km (0.08 R)
• M9: 4,709,341 km (0.095 R)
• M10: 6,271,891 km (0.055 R)
• M11: 6,917,854 km (0.107 R)
• M12: 7,787,317 km (0.108 R)
• M13: 11,607,000 km (0.108 R)
• M14: 15,160,697 km (0.077 R)
• M15: 16,877,482 km (0.077 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 951

Radius: 7.6

Gravity: 16.46 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.19 AU - 6.77 AU

Year: 11386 Days

Day: 15.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 52,178,819 km

• M1: 96,491 km (0.036 R)
• M2: 428,448 km (0.104 R)
• M3: 919,578 km (0.08 R)
• M4: 1,588,879 km (0.087 R)
• M5: 1,913,955 km (0.037 R)
• M6: 2,833,084 km (0.108 R)
• M7: 3,314,042 km (0.084 R)
• M8: 3,876,230 km (0.077 R)
• M9: 4,820,343 km (0.104 R)
• M10: 5,087,076 km (0.105 R)
• M11: 6,532,191 km (0.06 R)
• M12: 8,092,048 km (0.111 R)
• M13: 10,818,170 km (0.042 R)
• M14: 13,503,302 km (0.085 R)
• M15: 14,443,226 km (0.057 R)
• M16: 15,569,847 km (0.073 R)
• M17: 15,860,516 km (0.045 R)
• M18: 16,154,775 km (0.052 R)
• M19: 16,982,649 km (0.114 R)
• M20: 17,290,671 km (0.101 R)
• M21: 18,969,160 km (0.108 R)
• M22: 19,890,383 km (0.103 R)
• M23: 20,841,078 km (0.099 R)
• M24: 21,731,335 km (0.072 R)
• M25: 23,114,068 km (0.084 R)
• M26: 24,554,396 km (0.06 R)
• M27: 26,773,681 km (0.076 R)
• M28: 33,019,392 km (0.102 R)
• M29: 35,969,910 km (0.041 R)
• M30: 39,494,137 km (0.1 R)
• M31: 45,127,993 km (0.082 R)
• M32: 45,423,000 km (0.104 R)
• M33: 49,219,644 km (0.082 R)
• M34: 50,319,338 km (0.09 R)
• M35: 55,895,150 km (0.075 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 540.7

Radius: 3.7

Gravity: 39.5 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.7 AU - 7.3 AU

Year: 12784 Days

Day: 18 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 52,178,819 km

• M1: 92,152 km (0.104 R)
• M2: 475,721 km (0.088 R)
• M3: 757,713 km (0.111 R)
• M4: 900,280 km (0.109 R)
• M5: 1,016,218 km (0.116 R)
• M6: 1,510,639 km (0.114 R)
• M7: 1,835,566 km (0.078 R)
• M8: 2,149,721 km (0.094 R)
• M9: 2,581,012 km (0.105 R)
• M10: 3,586,759 km (0.096 R)
• M11: 4,426,601 km (0.084 R)
• M12: 4,702,310 km (0.076 R)
• M13: 5,458,527 km (0.094 R)
• M14: 6,523,664 km (0.054 R)
• M15: 7,002,228 km (0.058 R)
• M16: 7,461,194 km (0.083 R)
• M17: 7,676,316 km (0.112 R)
• M18: 9,103,629 km (0.034 R)
• M19: 11,937,461 km (0.101 R)
• M20: 12,113,538 km (0.028 R)
• M21: 12,291,260 km (0.025 R)
• M22: 12,470,778 km (0.1 R)
• M23: 15,795,890 km (0.119 R)
• M24: 16,583,373 km (0.067 R)
• M25: 18,704,970 km (0.073 R)
• M26: 19,667,034 km (0.091 R)
• M27: 21,951,692 km (0.063 R)
• M28: 22,127,619 km (0.073 R)
• M29: 23,477,441 km (0.104 R)
• M30: 24,880,968 km (0.068 R)
• M31: 27,039,366 km (0.074 R)
• M32: 31,388,924 km (0.093 R)
• M33: 34,021,697 km (0.107 R)
• M34: 35,452,152 km (0.12 R)
• M35: 38,944,514 km (0.072 R)
• M36: 40,377,064 km (0.108 R)
• M37: 42,796,211 km (0.04 R)
• M38: 43,208,652 km (0.088 R)
• M39: 45,168,235 km (0.088 R)
• M40: 46,314,005 km (0.117 R)
• M41: 50,630,352 km (0.058 R)
• M42: 51,555,765 km (0.047 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 19,404 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit