🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.9

Radius: 9.2

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.7 AU - 0.92 AU

Year: 471 Days

Day: 11.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,397,712 km

• M1: 114,442 km (0.117 R)
• M2: 541,395 km (0.108 R)
• M3: 1,075,459 km (0.097 R)
• M4: 1,956,890 km (0.088 R)
• M5: 2,325,050 km (0.067 R)
• M6: 2,821,416 km (0.119 R)
• M7: 3,190,623 km (0.079 R)
• M8: 4,955,729 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.7

Radius: 8.1

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.92 AU - 1.16 AU

Year: 685 Days

Day: 5.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,397,712 km

• M1: 100,829 km (0.05 R)
• M2: 418,126 km (0.058 R)
• M3: 808,876 km (0.088 R)
• M4: 1,069,026 km (0.104 R)
• M5: 1,372,860 km (0.112 R)
• M6: 1,687,913 km (0.086 R)
• M7: 2,113,369 km (0.095 R)
• M8: 2,485,718 km (0.099 R)
• M9: 2,812,440 km (0.079 R)
• M10: 3,313,144 km (0.098 R)
• M11: 3,604,710 km (0.043 R)
• M12: 4,224,943 km (0.085 R)
• M13: 4,661,170 km (0.09 R)
• M14: 5,060,896 km (0.096 R)
• M15: 5,414,246 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.4

Radius: 10

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1 AU - 1.34 AU

Year: 817 Days

Day: 13 Hours

Environment

Temp: -173 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,397,712 km

• M1: 124,765 km (0.104 R)
• M2: 532,868 km (0.102 R)
• M3: 949,797 km (0.113 R)
• M4: 1,632,262 km (0.057 R)
• M5: 2,219,135 km (0.083 R)
• M6: 2,579,815 km (0.1 R)
• M7: 3,519,440 km (0.037 R)
• M8: 3,904,504 km (0.062 R)
• M9: 4,252,319 km (0.111 R)
• M10: 4,884,221 km (0.103 R)
• M11: 5,422,175 km (0.094 R)
• M12: 6,040,612 km (0.101 R)
• M13: 6,638,854 km (0.04 R)
• M14: 7,159,455 km (0.099 R)
• M15: 7,609,894 km (0.094 R)
• M16: 8,155,029 km (0.051 R)
• M17: 8,779,151 km (0.12 R)
• M18: 9,157,783 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.2

Radius: 11.3

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.07 AU - 1.61 AU

Year: 1002 Days

Day: 14.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,397,712 km

• M1: 141,370 km (0.11 R)
• M2: 765,642 km (0.066 R)
• M3: 1,284,298 km (0.111 R)
• M4: 1,920,388 km (0.075 R)
• M5: 4,776,660 km (0.062 R)
• M6: 7,430,526 km (0.057 R)
• M7: 8,270,967 km (0.104 R)
• M8: 11,107,642 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.1

Radius: 13.3

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.46 AU - 2.94 AU

Year: 2865 Days

Day: 5.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 73.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,397,712 km

• M1: 166,054 km (0.087 R)
• M2: 585,975 km (0.119 R)
• M3: 1,015,022 km (0.1 R)
• M4: 1,526,646 km (0.111 R)
• M5: 2,143,438 km (0.113 R)
• M6: 3,075,732 km (0.062 R)
• M7: 3,587,207 km (0.069 R)
• M8: 4,007,727 km (0.106 R)
• M9: 4,643,368 km (0.108 R)
• M10: 5,095,603 km (0.103 R)
• M11: 5,951,602 km (0.08 R)
• M12: 7,686,339 km (0.09 R)
• M13: 8,390,945 km (0.097 R)
• M14: 8,956,425 km (0.115 R)
• M15: 10,482,173 km (0.076 R)
• M16: 16,420,760 km (0.098 R)
• M17: 18,696,443 km (0.11 R)
• M18: 21,369,457 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.9

Radius: 8.9

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.56 AU - 3.36 AU

Year: 3288 Days

Day: 6.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,397,712 km

• M1: 110,702 km (0.079 R)
• M2: 511,326 km (0.055 R)
• M3: 852,857 km (0.085 R)
• M4: 1,138,290 km (0.115 R)
• M5: 1,719,179 km (0.063 R)
• M6: 2,212,702 km (0.115 R)
• M7: 2,686,030 km (0.096 R)
• M8: 3,617,426 km (0.11 R)
• M9: 6,705,126 km (0.063 R)
• M10: 7,220,790 km (0.072 R)
• M11: 9,702,619 km (0.086 R)
• M12: 12,121,317 km (0.076 R)
• M13: 13,636,295 km (0.089 R)
• M14: 14,663,733 km (0.078 R)
• M15: 15,480,537 km (0.105 R)
• M16: 15,953,117 km (0.076 R)
• M17: 20,149,487 km (0.031 R)
• M18: 20,776,302 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.3

Radius: 12.9

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.61 AU - 4.99 AU

Year: 5757 Days

Day: 12.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,397,712 km

• M1: 160,369 km (0.118 R)
• M2: 1,074,262 km (0.032 R)
• M3: 1,645,427 km (0.109 R)
• M4: 3,060,922 km (0.115 R)
• M5: 3,479,646 km (0.119 R)
• M6: 3,913,032 km (0.12 R)
• M7: 4,917,731 km (0.077 R)
• M8: 5,709,104 km (0.112 R)
• M9: 8,041,185 km (0.085 R)
• M10: 9,572,020 km (0.089 R)
• M11: 10,569,838 km (0.078 R)
• M12: 11,887,795 km (0.103 R)
• M13: 14,381,591 km (0.056 R)
• M14: 15,689,825 km (0.109 R)
• M15: 17,533,768 km (0.095 R)
• M16: 18,542,357 km (0.082 R)
• M17: 20,308,659 km (0.118 R)
• M18: 21,648,158 km (0.079 R)
• M19: 23,284,310 km (0.11 R)
• M20: 26,106,175 km (0.117 R)
• M21: 27,958,795 km (0.033 R)
• M22: 33,938,371 km (0.106 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 11,781 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit