🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.6

Radius: 10.3

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.68 AU - 0.68 AU

Year: 368 Days

Day: 9.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,080,119 km

• M1: 130,001 km (0.045 R)
• M2: 543,938 km (0.047 R)
• M3: 873,801 km (0.081 R)
• M4: 1,429,108 km (0.084 R)
• M5: 1,803,103 km (0.105 R)
• M6: 2,437,847 km (0.095 R)
• M7: 2,792,843 km (0.057 R)
• M8: 3,316,585 km (0.112 R)
• M9: 4,137,877 km (0.076 R)
• M10: 4,547,177 km (0.093 R)
• M11: 5,043,692 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.3

Radius: 13.9

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.72 AU - 1.1 AU

Year: 569 Days

Day: 13.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 96.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,080,119 km

• M1: 172,935 km (0.057 R)
• M2: 801,396 km (0.092 R)
• M3: 1,608,925 km (0.101 R)
• M4: 2,057,719 km (0.093 R)
• M5: 3,958,060 km (0.09 R)
• M6: 4,694,830 km (0.078 R)
• M7: 7,199,697 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.8

Radius: 11.6

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.75 AU - 1.15 AU

Year: 607 Days

Day: 9.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,080,119 km

• M1: 144,811 km (0.052 R)
• M2: 526,285 km (0.109 R)
• M3: 928,853 km (0.084 R)
• M4: 1,480,869 km (0.066 R)
• M5: 2,227,811 km (0.065 R)
• M6: 2,827,849 km (0.098 R)
• M7: 3,222,338 km (0.065 R)
• M8: 3,665,896 km (0.082 R)
• M9: 4,084,022 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.9

Radius: 11.3

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.11 AU - 1.45 AU

Year: 950 Days

Day: 12.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,080,119 km

• M1: 140,472 km (0.119 R)
• M2: 623,674 km (0.047 R)
• M3: 1,197,232 km (0.075 R)
• M4: 1,566,888 km (0.107 R)
• M5: 2,665,535 km (0.055 R)
• M6: 3,295,342 km (0.045 R)
• M7: 3,768,520 km (0.107 R)
• M8: 4,152,986 km (0.103 R)
• M9: 4,852,357 km (0.117 R)
• M10: 6,154,606 km (0.063 R)
• M11: 7,354,231 km (0.103 R)
• M12: 8,621,624 km (0.12 R)
• M13: 9,878,995 km (0.105 R)
• M14: 10,551,736 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.3

Radius: 10.1

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.55 AU - 2.33 AU

Year: 1773 Days

Day: 10 Hours

Environment

Temp: -196 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,080,119 km

• M1: 125,662 km (0.102 R)
• M2: 444,156 km (0.087 R)
• M3: 975,977 km (0.117 R)
• M4: 1,344,137 km (0.058 R)
• M5: 1,773,034 km (0.072 R)
• M6: 2,141,344 km (0.063 R)
• M7: 2,972,360 km (0.029 R)
• M8: 3,672,927 km (0.073 R)
• M9: 5,377,295 km (0.057 R)
• M10: 5,980,923 km (0.117 R)
• M11: 6,390,372 km (0.088 R)
• M12: 7,124,000 km (0.088 R)
• M13: 8,313,004 km (0.053 R)
• M14: 8,922,017 km (0.073 R)
• M15: 10,337,512 km (0.106 R)
• M16: 11,464,134 km (0.106 R)
• M17: 12,341,076 km (0.094 R)
• M18: 16,104,360 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.4

Radius: 10.6

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.24 AU - 3.74 AU

Year: 3392 Days

Day: 11.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,080,119 km

• M1: 170,392 km (0.1 R)
• M2: 631,453 km (0.12 R)
• M3: 1,396,047 km (0.111 R)
• M4: 3,076,630 km (0.077 R)
• M5: 3,721,546 km (0.06 R)
• M6: 6,012,189 km (0.092 R)
• M7: 6,780,823 km (0.116 R)
• M8: 7,742,587 km (0.081 R)
• M9: 8,307,319 km (0.109 R)
• M10: 9,707,107 km (0.085 R)
• M11: 10,845,546 km (0.117 R)
• M12: 13,245,844 km (0.115 R)
• M13: 13,813,269 km (0.114 R)
• M14: 17,677,083 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.4

Radius: 10.7

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.84 AU - 4.02 AU

Year: 4167 Days

Day: 10 Hours

Environment

Temp: -201 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 26,080,119 km

• M1: 133,591 km (0.055 R)
• M2: 588,518 km (0.11 R)
• M3: 1,203,664 km (0.117 R)
• M4: 1,602,792 km (0.095 R)
• M5: 2,566,202 km (0.103 R)
• M6: 2,973,557 km (0.076 R)
• M7: 3,349,048 km (0.114 R)
• M8: 3,756,403 km (0.069 R)
• M9: 4,463,402 km (0.069 R)
• M10: 5,436,835 km (0.11 R)
• M11: 5,974,041 km (0.074 R)
• M12: 6,725,023 km (0.111 R)
• M13: 8,733,524 km (0.09 R)
• M14: 12,384,310 km (0.062 R)
• M15: 12,984,497 km (0.099 R)
• M16: 14,242,914 km (0.067 R)
• M17: 15,634,025 km (0.108 R)
• M18: 16,555,099 km (0.107 R)
• M19: 17,340,637 km (0.113 R)
• M20: 18,268,443 km (0.042 R)
• M21: 19,351,532 km (0.089 R)
• M22: 21,513,221 km (0.084 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.8

Radius: 15

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.31 AU - 4.37 AU

Year: 4936 Days

Day: 11.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 26,080,119 km

• M1: 186,549 km (0.107 R)
• M2: 792,270 km (0.092 R)
• M3: 1,687,314 km (0.115 R)
• M4: 2,288,698 km (0.092 R)
• M5: 3,423,248 km (0.065 R)
• M6: 4,151,640 km (0.085 R)
• M7: 5,212,588 km (0.108 R)
• M8: 5,977,632 km (0.045 R)
• M9: 7,597,029 km (0.048 R)
• M10: 8,185,547 km (0.115 R)
• M11: 9,415,092 km (0.059 R)
• M12: 11,419,105 km (0.102 R)
• M13: 12,007,772 km (0.111 R)
• M14: 13,444,061 km (0.07 R)
• M15: 14,411,212 km (0.064 R)
• M16: 19,570,842 km (0.119 R)
• M17: 20,415,322 km (0.107 R)
• M18: 22,810,384 km (0.03 R)
• M19: 23,965,429 km (0.099 R)
• M20: 25,311,062 km (0.114 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 17,829 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit