🌌 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: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.2

Radius: 14.4

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.59 AU - 0.73 AU

Year: 358 Days

Day: 14.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 83.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,666,014 km

• M1: 179,069 km (0.118 R)
• M2: 664,963 km (0.099 R)
• M3: 1,140,235 km (0.111 R)
• M4: 1,605,634 km (0.116 R)
• M5: 2,153,461 km (0.097 R)
• M6: 2,629,631 km (0.103 R)
• M7: 3,346,804 km (0.102 R)
• M8: 4,678,973 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.8

Radius: 11.8

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.01 AU - 1.15 AU

Year: 748 Days

Day: 10.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,666,014 km

• M1: 147,055 km (0.064 R)
• M2: 638,185 km (0.106 R)
• M3: 2,249,354 km (0.101 R)
• M4: 3,199,599 km (0.077 R)
• M5: 4,269,523 km (0.086 R)
• M6: 5,260,160 km (0.119 R)
• M7: 5,799,909 km (0.05 R)
• M8: 6,767,209 km (0.073 R)
• M9: 7,150,778 km (0.038 R)
• M10: 7,644,750 km (0.106 R)
• M11: 8,186,594 km (0.077 R)
• M12: 8,727,540 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.6

Radius: 9.1

Gravity: 11.83 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.03 AU - 1.39 AU

Year: 888 Days

Day: 12.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,666,014 km

• M1: 113,395 km (0.11 R)
• M2: 403,166 km (0.084 R)
• M3: 783,444 km (0.087 R)
• M4: 1,082,041 km (0.115 R)
• M5: 1,474,287 km (0.113 R)
• M6: 1,787,395 km (0.112 R)
• M7: 2,696,502 km (0.087 R)
• M8: 3,239,841 km (0.073 R)
• M9: 3,575,688 km (0.082 R)
• M10: 4,081,628 km (0.073 R)
• M11: 4,967,098 km (0.078 R)
• M12: 5,868,874 km (0.083 R)
• M13: 7,162,896 km (0.069 R)
• M14: 7,967,882 km (0.066 R)
• M15: 8,582,879 km (0.087 R)
• M16: 8,916,033 km (0.088 R)
• M17: 9,200,269 km (0.049 R)
• M18: 9,519,960 km (0.098 R)
• M19: 10,212,299 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.2

Radius: 9.8

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.13 AU - 1.87 AU

Year: 1225 Days

Day: 11.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,666,014 km

• M1: 121,922 km (0.032 R)
• M2: 594,801 km (0.048 R)
• M3: 967,300 km (0.063 R)
• M4: 1,580,950 km (0.092 R)
• M5: 2,471,955 km (0.094 R)
• M6: 2,988,367 km (0.069 R)
• M7: 3,469,923 km (0.058 R)
• M8: 4,306,175 km (0.081 R)
• M9: 4,979,066 km (0.049 R)
• M10: 5,311,024 km (0.076 R)
• M11: 5,678,735 km (0.068 R)
• M12: 6,085,043 km (0.058 R)
• M13: 7,223,632 km (0.111 R)
• M14: 7,882,761 km (0.079 R)
• M15: 10,635,810 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.9

Radius: 13

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.57 AU - 2.71 AU

Year: 2860 Days

Day: 5.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,666,014 km

• M1: 161,715 km (0.119 R)
• M2: 793,318 km (0.102 R)
• M3: 2,760,380 km (0.058 R)
• M4: 3,511,660 km (0.051 R)
• M5: 5,352,612 km (0.097 R)
• M6: 7,014,644 km (0.091 R)
• M7: 8,415,179 km (0.092 R)
• M8: 10,030,238 km (0.064 R)
• M9: 11,139,357 km (0.102 R)
• M10: 13,426,558 km (0.118 R)
• M11: 15,099,811 km (0.084 R)
• M12: 16,011,161 km (0.115 R)
• M13: 16,655,629 km (0.114 R)
• M14: 17,265,838 km (0.032 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 510.2

Radius: 4.8

Gravity: 22.14 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 8.42 AU - 13.04 AU

Year: 23438 Days

Day: 15.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 76,666,014 km

• M1: 59,839 km (0.073 R)
• M2: 308,022 km (0.077 R)
• M3: 491,728 km (0.09 R)
• M4: 789,578 km (0.096 R)
• M5: 1,242,410 km (0.062 R)
• M6: 2,965,628 km (0.046 R)
• M7: 3,316,136 km (0.054 R)
• M8: 3,515,999 km (0.099 R)
• M9: 4,003,239 km (0.073 R)
• M10: 4,999,411 km (0.107 R)
• M11: 5,816,814 km (0.109 R)
• M12: 6,023,857 km (0.099 R)
• M13: 7,087,050 km (0.119 R)
• M14: 8,218,009 km (0.05 R)
• M15: 8,799,197 km (0.105 R)
• M16: 12,944,554 km (0.094 R)
• M17: 14,396,551 km (0.106 R)
• M18: 14,699,337 km (0.103 R)
• M19: 21,586,973 km (0.047 R)
• M20: 22,791,984 km (0.089 R)
• M21: 23,619,709 km (0.079 R)
• M22: 25,887,762 km (0.119 R)
• M23: 29,373,692 km (0.112 R)
• M24: 33,688,094 km (0.086 R)
• M25: 34,087,820 km (0.104 R)
• M26: 34,356,049 km (0.096 R)
• M27: 36,134,468 km (0.107 R)
• M28: 38,551,222 km (0.073 R)
• M29: 45,302,574 km (0.045 R)
• M30: 48,277,477 km (0.055 R)
• M31: 54,612,797 km (0.115 R)
• M32: 57,597,873 km (0.105 R)
• M33: 60,493,639 km (0.117 R)
• M34: 64,503,460 km (0.072 R)
• M35: 69,544,609 km (0.094 R)
• M36: 70,409,584 km (0.078 R)
• M37: 71,281,740 km (0.044 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 20,017 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit