🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.5

Radius: 8.7

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.64 AU - 0.78 AU

Year: 399 Days

Day: 10.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,306,631 km

• M1: 108,159 km (0.098 R)
• M2: 392,545 km (0.066 R)
• M3: 687,701 km (0.093 R)
• M4: 1,077,254 km (0.1 R)
• M5: 1,445,564 km (0.068 R)
• M6: 1,723,966 km (0.076 R)
• M7: 2,172,011 km (0.107 R)
• M8: 2,885,444 km (0.072 R)
• M9: 3,221,441 km (0.044 R)
• M10: 3,681,005 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.9

Radius: 8.7

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.67 AU - 0.91 AU

Year: 468 Days

Day: 11.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,306,631 km

• M1: 108,608 km (0.094 R)
• M2: 401,670 km (0.101 R)
• M3: 699,370 km (0.082 R)
• M4: 1,098,796 km (0.04 R)
• M5: 1,597,256 km (0.09 R)
• M6: 2,088,685 km (0.08 R)
• M7: 2,757,687 km (0.117 R)
• M8: 3,414,871 km (0.083 R)
• M9: 3,747,576 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.8

Radius: 8.5

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.03 AU - 1.25 AU

Year: 812 Days

Day: 5.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,306,631 km

• M1: 107,262 km (0.081 R)
• M2: 414,984 km (0.099 R)
• M3: 830,418 km (0.053 R)
• M4: 1,103,284 km (0.086 R)
• M5: 2,009,548 km (0.095 R)
• M6: 2,312,783 km (0.088 R)
• M7: 3,411,579 km (0.102 R)
• M8: 4,541,791 km (0.106 R)
• M9: 4,808,524 km (0.091 R)
• M10: 5,484,557 km (0.091 R)
• M11: 6,365,240 km (0.037 R)
• M12: 7,024,667 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.7

Radius: 12.9

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.75 AU - 4.83 AU

Year: 5925 Days

Day: 10.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,306,631 km

• M1: 161,117 km (0.105 R)
• M2: 744,848 km (0.09 R)
• M3: 1,156,990 km (0.077 R)
• M4: 1,831,826 km (0.115 R)
• M5: 2,323,105 km (0.098 R)
• M6: 3,450,624 km (0.038 R)
• M7: 4,577,545 km (0.119 R)
• M8: 5,021,552 km (0.079 R)
• M9: 6,692,710 km (0.092 R)
• M10: 7,128,937 km (0.092 R)
• M11: 8,513,914 km (0.103 R)
• M12: 9,728,798 km (0.038 R)
• M13: 10,917,952 km (0.093 R)
• M14: 13,851,117 km (0.116 R)
• M15: 14,340,751 km (0.076 R)
• M16: 15,938,157 km (0.103 R)
• M17: 19,214,799 km (0.092 R)
• M18: 21,949,598 km (0.101 R)
• M19: 23,833,484 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456.1

Radius: 3

Gravity: 50.68 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.31 AU - 6.91 AU

Year: 11333 Days

Day: 24.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 62,306,631 km

• M1: 52,210 km (0.116 R)
• M2: 264,639 km (0.044 R)
• M3: 417,528 km (0.045 R)
• M4: 864,227 km (0.075 R)
• M5: 1,024,596 km (0.083 R)
• M6: 1,471,744 km (0.1 R)
• M7: 2,340,010 km (0.11 R)
• M8: 2,672,117 km (0.044 R)
• M9: 4,124,862 km (0.088 R)
• M10: 4,235,265 km (0.08 R)
• M11: 5,223,509 km (0.084 R)
• M12: 5,822,648 km (0.084 R)
• M13: 6,319,313 km (0.086 R)
• M14: 7,037,533 km (0.119 R)
• M15: 7,275,393 km (0.074 R)
• M16: 8,589,611 km (0.028 R)
• M17: 8,724,697 km (0.119 R)
• M18: 10,004,507 km (0.06 R)
• M19: 13,225,798 km (0.091 R)
• M20: 13,405,914 km (0.05 R)
• M21: 17,146,609 km (0.109 R)
• M22: 26,313,218 km (0.094 R)
• M23: 27,077,514 km (0.094 R)
• M24: 29,972,382 km (0.079 R)
• M25: 31,654,461 km (0.113 R)
• M26: 33,509,624 km (0.089 R)
• M27: 39,383,285 km (0.062 R)
• M28: 40,131,125 km (0.068 R)
• M29: 42,954,186 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710.2

Radius: 3.7

Gravity: 51.88 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 6.33 AU - 9.29 AU

Year: 14555 Days

Day: 15.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,306,631 km

• M1: 46,226 km (0.103 R)
• M2: 310,715 km (0.109 R)
• M3: 566,826 km (0.119 R)
• M4: 793,766 km (0.111 R)
• M5: 1,178,682 km (0.109 R)
• M6: 1,312,721 km (0.085 R)
• M7: 2,386,684 km (0.103 R)
• M8: 2,926,733 km (0.069 R)
• M9: 3,123,604 km (0.047 R)
• M10: 3,543,974 km (0.111 R)
• M11: 5,065,533 km (0.044 R)
• M12: 6,066,792 km (0.108 R)
• M13: 7,281,527 km (0.073 R)
• M14: 9,473,435 km (0.068 R)
• M15: 10,863,199 km (0.041 R)
• M16: 13,293,566 km (0.092 R)
• M17: 13,765,098 km (0.082 R)
• M18: 17,065,527 km (0.088 R)
• M19: 17,382,225 km (0.043 R)
• M20: 23,870,435 km (0.114 R)
• M21: 24,868,552 km (0.084 R)
• M22: 47,585,287 km (0.112 R)
• M23: 55,821,697 km (0.099 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 16,058 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit