🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.7

Radius: 11.9

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.43 AU - 0.59 AU

Year: 256 Days

Day: 13.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 177.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 14,564,718 km

• M1: 147,952 km (0.031 R)
• M2: 549,024 km (0.116 R)
• M3: 1,043,296 km (0.118 R)
• M4: 1,495,380 km (0.101 R)
• M5: 1,960,779 km (0.085 R)
• M6: 2,428,871 km (0.04 R)
• M7: 3,179,703 km (0.083 R)
• M8: 3,604,710 km (0.028 R)
• M9: 4,128,153 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.5

Radius: 10.1

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.43 AU - 0.63 AU

Year: 271 Days

Day: 9 Hours

Environment

Temp: -150 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 14,564,718 km

• M1: 125,961 km (0.113 R)
• M2: 445,353 km (0.087 R)
• M3: 1,132,456 km (0.068 R)
• M4: 1,491,790 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.2

Radius: 9.5

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.06 AU - 1.18 AU

Year: 833 Days

Day: 12.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 14,564,718 km

• M1: 118,482 km (0.113 R)
• M2: 444,904 km (0.115 R)
• M3: 797,357 km (0.061 R)
• M4: 1,172,997 km (0.096 R)
• M5: 1,518,568 km (0.075 R)
• M6: 1,856,958 km (0.115 R)
• M7: 2,227,213 km (0.028 R)
• M8: 2,562,761 km (0.09 R)
• M9: 3,070,945 km (0.036 R)
• M10: 3,527,368 km (0.074 R)
• M11: 3,916,173 km (0.06 R)
• M12: 4,764,543 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.3

Radius: 13.3

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.19 AU - 1.33 AU

Year: 994 Days

Day: 5.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 14,564,718 km

• M1: 171,888 km (0.083 R)
• M2: 657,782 km (0.072 R)
• M3: 1,254,827 km (0.038 R)
• M4: 1,698,085 km (0.09 R)
• M5: 2,163,784 km (0.078 R)
• M6: 2,607,192 km (0.107 R)
• M7: 3,193,017 km (0.087 R)
• M8: 3,834,493 km (0.113 R)
• M9: 4,526,084 km (0.041 R)
• M10: 5,126,420 km (0.107 R)
• M11: 5,697,585 km (0.115 R)
• M12: 6,116,010 km (0.107 R)
• M13: 6,577,519 km (0.09 R)
• M14: 7,277,338 km (0.102 R)
• M15: 7,923,451 km (0.079 R)
• M16: 9,273,871 km (0.045 R)
• M17: 9,884,679 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.3

Radius: 12.6

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.42 AU - 1.8 AU

Year: 1436 Days

Day: 14.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 14,564,718 km

• M1: 156,779 km (0.117 R)
• M2: 716,873 km (0.093 R)
• M3: 1,396,945 km (0.086 R)
• M4: 1,803,552 km (0.091 R)
• M5: 2,988,517 km (0.092 R)
• M6: 4,199,661 km (0.071 R)
• M7: 5,006,143 km (0.078 R)
• M8: 5,736,480 km (0.109 R)
• M9: 8,908,703 km (0.118 R)
• M10: 9,950,502 km (0.106 R)
• M11: 11,071,888 km (0.091 R)
• M12: 12,021,086 km (0.108 R)
• M13: 12,571,307 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.6

Radius: 10.1

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.52 AU - 3.04 AU

Year: 3258 Days

Day: 5.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 14,564,718 km

• M1: 127,757 km (0.064 R)
• M2: 500,554 km (0.034 R)
• M3: 880,383 km (0.11 R)
• M4: 1,227,899 km (0.096 R)
• M5: 1,890,169 km (0.094 R)
• M6: 2,922,095 km (0.109 R)
• M7: 3,430,878 km (0.079 R)
• M8: 3,875,782 km (0.114 R)
• M9: 4,491,526 km (0.092 R)
• M10: 4,976,972 km (0.107 R)
• M11: 5,757,573 km (0.092 R)
• M12: 6,135,906 km (0.073 R)
• M13: 6,617,611 km (0.117 R)
• M14: 7,063,413 km (0.045 R)
• M15: 7,689,031 km (0.076 R)
• M16: 8,801,740 km (0.041 R)
• M17: 9,231,834 km (0.094 R)
• M18: 10,487,559 km (0.105 R)
• M19: 11,554,341 km (0.032 R)
• M20: 13,195,280 km (0.104 R)
• M21: 13,616,847 km (0.115 R)
• M22: 15,138,257 km (0.098 R)
• M23: 16,124,855 km (0.076 R)
• M24: 17,769,235 km (0.1 R)
• M25: 21,324,578 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.3

Radius: 9.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.55 AU - 3.67 AU

Year: 3855 Days

Day: 12.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 14,564,718 km

• M1: 124,316 km (0.102 R)
• M2: 452,683 km (0.1 R)
• M3: 1,032,375 km (0.089 R)
• M4: 2,396,109 km (0.069 R)
• M5: 2,925,237 km (0.115 R)
• M6: 3,716,161 km (0.063 R)
• M7: 4,069,960 km (0.085 R)
• M8: 5,490,242 km (0.083 R)
• M9: 5,880,094 km (0.1 R)
• M10: 7,998,101 km (0.108 R)
• M11: 8,380,174 km (0.109 R)
• M12: 11,515,745 km (0.064 R)
• M13: 13,840,645 km (0.089 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 - 11,750 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit