🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.3

Radius: 9.7

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.08 AU - 1.22 AU

Year: 809 Days

Day: 10.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,845,181 km

• M1: 120,725 km (0.118 R)
• M2: 533,915 km (0.107 R)
• M3: 943,663 km (0.109 R)
• M4: 1,491,491 km (0.072 R)
• M5: 1,870,871 km (0.07 R)
• M6: 2,231,402 km (0.068 R)
• M7: 2,547,053 km (0.082 R)
• M8: 3,105,951 km (0.097 R)
• M9: 3,640,763 km (0.107 R)
• M10: 5,249,389 km (0.118 R)
• M11: 5,620,841 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.2

Radius: 11.7

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.3 AU - 1.48 AU

Year: 1075 Days

Day: 5.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,845,181 km

• M1: 145,708 km (0.119 R)
• M2: 523,443 km (0.119 R)
• M3: 920,326 km (0.085 R)
• M4: 1,319,902 km (0.114 R)
• M5: 1,775,876 km (0.041 R)
• M6: 2,315,476 km (0.037 R)
• M7: 2,683,337 km (0.065 R)
• M8: 3,698,059 km (0.096 R)
• M9: 4,367,360 km (0.117 R)
• M10: 4,952,438 km (0.103 R)
• M11: 5,867,079 km (0.093 R)
• M12: 6,429,118 km (0.075 R)
• M13: 7,564,865 km (0.113 R)
• M14: 7,955,316 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.2

Radius: 9.3

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.33 AU - 2.09 AU

Year: 1467 Days

Day: 10.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,845,181 km

• M1: 118,781 km (0.106 R)
• M2: 598,990 km (0.085 R)
• M3: 943,663 km (0.032 R)
• M4: 2,428,123 km (0.084 R)
• M5: 3,320,474 km (0.082 R)
• M6: 3,641,362 km (0.1 R)
• M7: 4,239,753 km (0.088 R)
• M8: 4,730,584 km (0.109 R)
• M9: 5,279,010 km (0.087 R)
• M10: 5,674,995 km (0.046 R)
• M11: 6,294,630 km (0.087 R)
• M12: 6,621,052 km (0.108 R)
• M13: 7,081,963 km (0.025 R)
• M14: 8,566,572 km (0.099 R)
• M15: 8,909,900 km (0.03 R)
• M16: 9,716,083 km (0.025 R)
• M17: 10,472,898 km (0.108 R)
• M18: 11,715,757 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.5

Radius: 14.4

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.68 AU - 1.78 AU

Year: 1493 Days

Day: 6.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,845,181 km

• M1: 179,517 km (0.117 R)
• M2: 729,140 km (0.092 R)
• M3: 1,566,290 km (0.075 R)
• M4: 3,033,396 km (0.112 R)
• M5: 3,665,746 km (0.025 R)
• M6: 4,658,328 km (0.105 R)
• M7: 5,305,339 km (0.084 R)
• M8: 7,924,947 km (0.118 R)
• M9: 8,423,707 km (0.047 R)
• M10: 9,226,897 km (0.114 R)
• M11: 9,713,240 km (0.045 R)
• M12: 10,667,226 km (0.089 R)
• M13: 11,832,892 km (0.064 R)
• M14: 13,244,049 km (0.117 R)
• M15: 13,696,882 km (0.058 R)
• M16: 14,160,037 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.1

Radius: 12

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.43 AU - 2.05 AU

Year: 1506 Days

Day: 12 Hours

Environment

Temp: -179 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,845,181 km

• M1: 149,299 km (0.118 R)
• M2: 665,112 km (0.085 R)
• M3: 2,070,734 km (0.095 R)
• M4: 3,047,757 km (0.082 R)
• M5: 4,818,398 km (0.047 R)
• M6: 9,091,960 km (0.116 R)
• M7: 9,901,883 km (0.092 R)
• M8: 10,416,649 km (0.048 R)

Asteroid Belt

Center: 4.3 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 431.4

Radius: 4.3

Gravity: 23.33 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.55 AU - 7.17 AU

Year: 11787 Days

Day: 20.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 45,845,181 km

• M1: 59,540 km (0.064 R)
• M2: 255,513 km (0.091 R)
• M3: 617,989 km (0.05 R)
• M4: 1,147,416 km (0.099 R)
• M5: 1,611,019 km (0.117 R)
• M6: 1,950,307 km (0.071 R)
• M7: 2,666,582 km (0.111 R)
• M8: 3,446,137 km (0.101 R)
• M9: 4,961,114 km (0.085 R)
• M10: 6,163,582 km (0.106 R)
• M11: 7,264,024 km (0.105 R)
• M12: 7,466,131 km (0.094 R)
• M13: 8,009,320 km (0.082 R)
• M14: 8,444,800 km (0.09 R)
• M15: 9,221,063 km (0.052 R)
• M16: 17,431,593 km (0.059 R)
• M17: 19,449,219 km (0.062 R)
• M18: 19,682,592 km (0.111 R)
• M19: 21,867,768 km (0.082 R)
• M20: 22,544,998 km (0.107 R)
• M21: 22,802,455 km (0.092 R)
• M22: 23,235,990 km (0.094 R)
• M23: 23,411,020 km (0.093 R)
• M24: 34,447,154 km (0.057 R)
• M25: 36,767,716 km (0.095 R)
• M26: 39,687,268 km (0.109 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 10,908 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit