🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934

Radius: 12.8

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.97 AU - 1.11 AU

Year: 696 Days

Day: 13.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,285,064 km

• M1: 159,322 km (0.078 R)
• M2: 763,398 km (0.048 R)
• M3: 1,511,686 km (0.118 R)
• M4: 1,991,596 km (0.03 R)
• M5: 2,709,965 km (0.108 R)
• M6: 3,188,679 km (0.078 R)
• M7: 3,990,523 km (0.082 R)
• M8: 4,431,687 km (0.107 R)
• M9: 5,209,297 km (0.069 R)
• M10: 6,137,103 km (0.062 R)
• M11: 7,401,803 km (0.115 R)
• M12: 8,755,066 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.9

Radius: 12.4

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.16 AU - 1.42 AU

Year: 961 Days

Day: 9.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,285,064 km

• M1: 154,535 km (0.115 R)
• M2: 724,203 km (0.086 R)
• M3: 1,148,313 km (0.034 R)
• M4: 1,917,097 km (0.085 R)
• M5: 3,973,020 km (0.043 R)
• M6: 4,950,792 km (0.053 R)
• M7: 5,831,026 km (0.112 R)
• M8: 6,812,837 km (0.12 R)
• M9: 7,211,216 km (0.098 R)
• M10: 7,699,952 km (0.106 R)
• M11: 9,329,073 km (0.116 R)
• M12: 9,821,549 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.1

Radius: 8.5

Gravity: 12.61 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.48 AU - 1.64 AU

Year: 1278 Days

Day: 7.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,285,064 km

• M1: 105,766 km (0.116 R)
• M2: 416,181 km (0.109 R)
• M3: 709,543 km (0.078 R)
• M4: 1,020,257 km (0.085 R)
• M5: 1,501,065 km (0.115 R)
• M6: 1,774,380 km (0.077 R)
• M7: 2,149,123 km (0.079 R)
• M8: 2,423,635 km (0.096 R)
• M9: 2,708,320 km (0.095 R)
• M10: 3,408,139 km (0.089 R)
• M11: 5,439,678 km (0.11 R)
• M12: 6,258,876 km (0.068 R)
• M13: 6,823,907 km (0.113 R)
• M14: 7,476,154 km (0.085 R)
• M15: 8,226,537 km (0.097 R)
• M16: 8,904,514 km (0.118 R)
• M17: 9,303,940 km (0.101 R)
• M18: 9,876,751 km (0.06 R)
• M19: 12,217,060 km (0.061 R)
• M20: 13,099,238 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.7

Radius: 9.3

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.94 AU - 2.64 AU

Year: 2273 Days

Day: 12.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,285,064 km

• M1: 115,938 km (0.052 R)
• M2: 583,880 km (0.091 R)
• M3: 1,016,966 km (0.111 R)
• M4: 1,917,246 km (0.05 R)
• M5: 2,505,016 km (0.095 R)
• M6: 3,225,330 km (0.108 R)
• M7: 3,841,973 km (0.107 R)
• M8: 4,665,808 km (0.108 R)
• M9: 5,049,826 km (0.1 R)
• M10: 6,249,451 km (0.11 R)
• M11: 6,773,343 km (0.098 R)
• M12: 7,629,192 km (0.062 R)
• M13: 11,742,984 km (0.037 R)
• M14: 12,285,276 km (0.078 R)
• M15: 15,007,509 km (0.118 R)
• M16: 15,646,292 km (0.108 R)
• M17: 18,551,482 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.4

Radius: 13.3

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.15 AU - 2.49 AU

Year: 2318 Days

Day: 11.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,285,064 km

• M1: 166,652 km (0.097 R)
• M2: 686,804 km (0.12 R)
• M3: 1,324,390 km (0.105 R)
• M4: 1,791,435 km (0.052 R)
• M5: 2,383,393 km (0.096 R)
• M6: 3,104,156 km (0.12 R)
• M7: 3,599,923 km (0.107 R)
• M8: 5,390,011 km (0.108 R)
• M9: 5,872,315 km (0.109 R)
• M10: 6,522,916 km (0.085 R)
• M11: 8,001,093 km (0.104 R)
• M12: 8,698,967 km (0.078 R)
• M13: 9,545,840 km (0.107 R)
• M14: 10,064,795 km (0.1 R)
• M15: 11,861,765 km (0.081 R)
• M16: 12,462,251 km (0.091 R)
• M17: 13,173,289 km (0.115 R)
• M18: 15,927,984 km (0.061 R)
• M19: 16,872,545 km (0.05 R)
• M20: 17,304,135 km (0.046 R)
• M21: 18,077,107 km (0.104 R)
• M22: 18,988,757 km (0.1 R)
• M23: 20,110,741 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.5

Radius: 13.5

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.65 AU - 4.23 AU

Year: 4185 Days

Day: 5.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,285,064 km

• M1: 169,794 km (0.108 R)
• M2: 811,718 km (0.095 R)
• M3: 1,866,233 km (0.117 R)
• M4: 2,459,389 km (0.12 R)
• M5: 3,142,902 km (0.108 R)
• M6: 3,604,411 km (0.116 R)
• M7: 6,084,744 km (0.061 R)
• M8: 11,516,792 km (0.103 R)
• M9: 12,889,203 km (0.119 R)
• M10: 13,522,900 km (0.088 R)
• M11: 14,368,127 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.5

Radius: 9.4

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 4.31 AU - 4.59 AU

Year: 6158 Days

Day: 12.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,285,064 km

• M1: 116,836 km (0.073 R)
• M2: 509,830 km (0.088 R)
• M3: 1,311,973 km (0.044 R)
• M4: 1,781,711 km (0.046 R)
• M5: 2,302,162 km (0.108 R)
• M6: 4,128,452 km (0.103 R)
• M7: 4,868,663 km (0.116 R)
• M8: 7,757,248 km (0.083 R)
• M9: 10,685,178 km (0.089 R)
• M10: 15,210,513 km (0.117 R)
• M11: 17,832,515 km (0.064 R)
• M12: 21,332,956 km (0.07 R)
• M13: 23,034,033 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 17.3

Radius: 7.7

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 7.08 AU - 7.52 AU

Year: 12939 Days

Day: 19.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,285,064 km

• M1: 95,743 km (0.117 R)
• M2: 923,168 km (0.053 R)
• M3: 1,608,626 km (0.115 R)
• M4: 2,430,217 km (0.112 R)
• M5: 3,154,271 km (0.117 R)
• M6: 4,149,247 km (0.072 R)
• M7: 4,448,143 km (0.054 R)
• M8: 8,501,198 km (0.101 R)
• M9: 10,006,751 km (0.034 R)
• M10: 10,619,354 km (0.079 R)
• M11: 14,285,699 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 616.7

Radius: 8

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 9.54 AU - 12.32 AU

Year: 23705 Days

Day: 18.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,285,064 km

• M1: 130,150 km (0.115 R)
• M2: 594,951 km (0.09 R)
• M3: 1,073,514 km (0.096 R)
• M4: 2,817,825 km (0.094 R)
• M5: 3,563,122 km (0.111 R)
• M6: 6,771,548 km (0.099 R)
• M7: 9,131,903 km (0.118 R)
• M8: 10,128,075 km (0.031 R)
• M9: 10,558,767 km (0.032 R)
• M10: 11,260,082 km (0.087 R)
• M11: 13,185,108 km (0.035 R)
• M12: 16,301,381 km (0.091 R)
• M13: 19,497,689 km (0.094 R)
• M14: 19,876,770 km (0.108 R)
• M15: 22,878,750 km (0.069 R)
• M16: 49,159,955 km (0.037 R)
• M17: 54,218,906 km (0.083 R)
• M18: 60,413,155 km (0.078 R)
• M19: 67,278,052 km (0.096 R)
• M20: 73,039,515 km (0.069 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 19,946 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit