🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.1

Radius: 9.5

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.76 AU - 1.24 AU

Year: 656 Days

Day: 5.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,179,709 km

• M1: 118,182 km (0.073 R)
• M2: 449,841 km (0.107 R)
• M3: 748,737 km (0.066 R)
• M4: 1,063,790 km (0.072 R)
• M5: 1,667,717 km (0.098 R)
• M6: 2,047,995 km (0.067 R)
• M7: 2,578,768 km (0.109 R)
• M8: 2,933,614 km (0.1 R)
• M9: 3,469,025 km (0.115 R)
• M10: 3,828,210 km (0.088 R)
• M11: 4,579,640 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.4

Radius: 10.9

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.11 AU - 1.35 AU

Year: 895 Days

Day: 11.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,179,709 km

• M1: 135,536 km (0.087 R)
• M2: 516,861 km (0.072 R)
• M3: 867,817 km (0.092 R)
• M4: 1,368,821 km (0.053 R)
• M5: 2,073,875 km (0.094 R)
• M6: 2,437,548 km (0.11 R)
• M7: 2,834,132 km (0.108 R)
• M8: 3,273,650 km (0.099 R)
• M9: 3,710,476 km (0.096 R)
• M10: 4,371,250 km (0.11 R)
• M11: 4,960,815 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.5

Radius: 10.6

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.64 AU - 2 AU

Year: 1611 Days

Day: 14.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,179,709 km

• M1: 131,796 km (0.107 R)
• M2: 591,061 km (0.116 R)
• M3: 1,163,123 km (0.071 R)
• M4: 1,618,051 km (0.048 R)
• M5: 2,695,006 km (0.089 R)
• M6: 3,441,349 km (0.046 R)
• M7: 4,023,136 km (0.041 R)
• M8: 5,425,466 km (0.05 R)
• M9: 6,261,120 km (0.086 R)
• M10: 6,807,152 km (0.072 R)
• M11: 7,154,967 km (0.114 R)
• M12: 7,540,780 km (0.088 R)
• M13: 7,940,356 km (0.111 R)
• M14: 8,382,268 km (0.085 R)
• M15: 9,590,121 km (0.088 R)
• M16: 11,249,909 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.1

Radius: 14.3

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.84 AU - 2.12 AU

Year: 1828 Days

Day: 8.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,179,709 km

• M1: 178,021 km (0.115 R)
• M2: 670,797 km (0.094 R)
• M3: 1,118,394 km (0.111 R)
• M4: 1,654,403 km (0.102 R)
• M5: 2,188,168 km (0.112 R)
• M6: 3,283,524 km (0.113 R)
• M7: 3,912,583 km (0.077 R)
• M8: 4,357,487 km (0.04 R)
• M9: 4,876,143 km (0.098 R)
• M10: 5,588,079 km (0.071 R)
• M11: 6,835,875 km (0.096 R)
• M12: 7,812,001 km (0.119 R)
• M13: 9,717,578 km (0.04 R)
• M14: 10,813,532 km (0.103 R)
• M15: 11,516,942 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.6

Radius: 8.6

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.13 AU - 2.71 AU

Year: 2470 Days

Day: 14.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,179,709 km

• M1: 106,962 km (0.092 R)
• M2: 400,773 km (0.051 R)
• M3: 739,313 km (0.09 R)
• M4: 1,069,475 km (0.106 R)
• M5: 1,461,422 km (0.07 R)
• M6: 2,564,855 km (0.12 R)
• M7: 3,039,829 km (0.097 R)
• M8: 3,870,247 km (0.072 R)
• M9: 5,166,063 km (0.049 R)
• M10: 5,805,445 km (0.108 R)
• M11: 6,218,634 km (0.068 R)
• M12: 7,548,858 km (0.112 R)
• M13: 8,071,254 km (0.098 R)
• M14: 9,449,948 km (0.088 R)
• M15: 10,942,635 km (0.055 R)
• M16: 11,423,293 km (0.047 R)
• M17: 11,764,377 km (0.085 R)
• M18: 12,546,474 km (0.12 R)
• M19: 13,238,065 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 324.2

Radius: 5.6

Gravity: 10.34 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 7.83 AU - 11.65 AU

Year: 19941 Days

Day: 16 Hours

Environment

Temp: -237 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 59,179,709 km

• M1: 69,713 km (0.109 R)
• M2: 528,529 km (0.068 R)
• M3: 707,598 km (0.114 R)
• M4: 960,418 km (0.045 R)
• M5: 2,311,885 km (0.057 R)
• M6: 4,263,988 km (0.095 R)
• M7: 5,313,716 km (0.097 R)
• M8: 5,974,640 km (0.118 R)
• M9: 6,855,023 km (0.112 R)
• M10: 7,109,340 km (0.108 R)
• M11: 7,370,089 km (0.083 R)
• M12: 7,637,121 km (0.112 R)
• M13: 8,333,200 km (0.08 R)
• M14: 8,969,739 km (0.076 R)
• M15: 9,274,320 km (0.075 R)
• M16: 10,787,502 km (0.103 R)
• M17: 11,074,132 km (0.114 R)
• M18: 11,602,661 km (0.093 R)
• M19: 14,500,821 km (0.104 R)
• M20: 21,136,534 km (0.083 R)
• M21: 21,857,745 km (0.088 R)
• M22: 24,511,312 km (0.087 R)
• M23: 25,206,792 km (0.055 R)
• M24: 25,813,262 km (0.113 R)
• M25: 30,790,234 km (0.085 R)
• M26: 34,235,772 km (0.09 R)
• M27: 38,859,692 km (0.114 R)
• M28: 39,804,702 km (0.064 R)
• M29: 40,903,349 km (0.094 R)
• M30: 45,351,492 km (0.057 R)
• M31: 45,649,192 km (0.084 R)
• M32: 50,909,352 km (0.055 R)
• M33: 51,715,386 km (0.106 R)
• M34: 53,187,877 km (0.118 R)
• M35: 56,904,188 km (0.086 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 15,124 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit