🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.7

Radius: 14.3

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.67 AU - 0.91 AU

Year: 468 Days

Day: 14.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,329,248 km

• M1: 177,872 km (0.087 R)
• M2: 678,127 km (0.102 R)
• M3: 1,172,249 km (0.113 R)
• M4: 1,830,031 km (0.086 R)
• M5: 2,370,528 km (0.083 R)
• M6: 2,834,281 km (0.091 R)
• M7: 3,914,827 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.9

Radius: 11.9

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.64 AU - 0.96 AU

Year: 477 Days

Day: 6.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,329,248 km

• M1: 147,952 km (0.059 R)
• M2: 550,969 km (0.107 R)
• M3: 1,034,768 km (0.028 R)
• M4: 2,125,935 km (0.057 R)
• M5: 2,561,564 km (0.042 R)
• M6: 3,001,681 km (0.1 R)
• M7: 3,431,925 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.2

Radius: 11.6

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.94 AU - 2.76 AU

Year: 2402 Days

Day: 5.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,329,248 km

• M1: 144,212 km (0.068 R)
• M2: 597,793 km (0.043 R)
• M3: 1,087,726 km (0.067 R)
• M4: 2,301,264 km (0.101 R)
• M5: 2,763,970 km (0.104 R)
• M6: 3,433,870 km (0.094 R)
• M7: 3,914,677 km (0.055 R)
• M8: 4,459,662 km (0.089 R)
• M9: 5,679,034 km (0.099 R)
• M10: 7,578,628 km (0.117 R)
• M11: 8,276,951 km (0.078 R)
• M12: 9,869,570 km (0.028 R)
• M13: 10,738,434 km (0.088 R)
• M14: 12,155,874 km (0.087 R)
• M15: 12,628,304 km (0.101 R)
• M16: 14,034,075 km (0.096 R)
• M17: 15,042,664 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279

Radius: 10

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.24 AU - 3.62 AU

Year: 3344 Days

Day: 6 Hours

Environment

Temp: -208 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,329,248 km

• M1: 124,316 km (0.106 R)
• M2: 458,817 km (0.062 R)
• M3: 810,222 km (0.059 R)
• M4: 1,374,505 km (0.057 R)
• M5: 1,800,261 km (0.078 R)
• M6: 2,472,853 km (0.109 R)
• M7: 2,921,198 km (0.092 R)
• M8: 3,321,671 km (0.077 R)
• M9: 3,850,649 km (0.102 R)
• M10: 4,475,968 km (0.093 R)
• M11: 6,181,384 km (0.054 R)
• M12: 8,695,975 km (0.093 R)
• M13: 9,056,356 km (0.103 R)
• M14: 11,431,970 km (0.101 R)
• M15: 11,864,757 km (0.105 R)
• M16: 12,513,862 km (0.054 R)
• M17: 12,847,166 km (0.103 R)
• M18: 14,060,853 km (0.032 R)
• M19: 14,926,876 km (0.033 R)
• M20: 15,254,794 km (0.113 R)
• M21: 16,967,091 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.8

Radius: 10.2

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.15 AU - 4.09 AU

Year: 4593 Days

Day: 9.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 72.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,329,248 km

• M1: 127,906 km (0.031 R)
• M2: 773,720 km (0.102 R)
• M3: 1,622,539 km (0.118 R)
• M4: 2,128,479 km (0.095 R)
• M5: 2,456,696 km (0.12 R)
• M6: 3,915,575 km (0.12 R)
• M7: 4,572,609 km (0.117 R)
• M8: 5,828,931 km (0.092 R)
• M9: 6,685,828 km (0.118 R)
• M10: 7,082,262 km (0.067 R)
• M11: 9,380,834 km (0.098 R)
• M12: 9,839,650 km (0.082 R)
• M13: 10,843,602 km (0.116 R)
• M14: 13,772,578 km (0.107 R)
• M15: 14,567,242 km (0.116 R)
• M16: 15,027,555 km (0.113 R)
• M17: 15,550,399 km (0.108 R)
• M18: 21,995,375 km (0.092 R)

Asteroid Belt

Center: 4.64 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.6

Radius: 10.3

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.91 AU - 6.41 AU

Year: 8980 Days

Day: 6.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,329,248 km

• M1: 128,355 km (0.062 R)
• M2: 841,488 km (0.05 R)
• M3: 1,563,896 km (0.104 R)
• M4: 2,268,951 km (0.038 R)
• M5: 3,234,904 km (0.112 R)
• M6: 3,986,484 km (0.07 R)
• M7: 5,834,766 km (0.116 R)
• M8: 8,790,820 km (0.094 R)
• M9: 9,716,681 km (0.034 R)
• M10: 12,520,295 km (0.093 R)
• M11: 13,311,069 km (0.103 R)
• M12: 14,360,199 km (0.068 R)
• M13: 15,050,593 km (0.09 R)
• M14: 16,936,573 km (0.12 R)
• M15: 17,772,526 km (0.114 R)
• M16: 18,501,217 km (0.114 R)
• M17: 21,840,691 km (0.112 R)
• M18: 24,170,678 km (0.092 R)
• M19: 25,981,410 km (0.118 R)
• M20: 27,179,689 km (0.089 R)
• M21: 28,504,079 km (0.079 R)
• M22: 29,778,653 km (0.097 R)
• M23: 30,711,844 km (0.056 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 546 - 17,533 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit