🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.2

Radius: 12.5

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.49 AU - 0.71 AU

Year: 321 Days

Day: 14.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,128,372 km

• M1: 155,432 km (0.082 R)
• M2: 722,109 km (0.12 R)
• M3: 1,173,745 km (0.093 R)
• M4: 1,583,793 km (0.1 R)
• M5: 2,242,771 km (0.098 R)
• M6: 3,171,624 km (0.11 R)
• M7: 3,807,266 km (0.096 R)
• M8: 4,648,006 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.1

Radius: 8.6

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.86 AU - 1.12 AU

Year: 680 Days

Day: 13.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,128,372 km

• M1: 106,962 km (0.111 R)
• M2: 538,552 km (0.033 R)
• M3: 933,042 km (0.039 R)
• M4: 1,332,468 km (0.097 R)
• M5: 1,785,750 km (0.092 R)
• M6: 2,270,297 km (0.106 R)
• M7: 3,212,764 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.6

Radius: 10.2

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.02 AU - 1.24 AU

Year: 829 Days

Day: 9.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,128,372 km

• M1: 126,859 km (0.083 R)
• M2: 972,985 km (0.037 R)
• M3: 1,539,661 km (0.082 R)
• M4: 2,532,393 km (0.116 R)
• M5: 3,402,155 km (0.084 R)
• M6: 3,997,704 km (0.108 R)
• M7: 4,542,988 km (0.088 R)
• M8: 5,587,331 km (0.067 R)
• M9: 7,327,304 km (0.063 R)
• M10: 7,680,953 km (0.111 R)
• M11: 8,499,403 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.8

Radius: 9.5

Gravity: 10.55 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.28 AU - 1.46 AU

Year: 1107 Days

Day: 11.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,128,372 km

• M1: 118,482 km (0.086 R)
• M2: 581,337 km (0.073 R)
• M3: 888,013 km (0.098 R)
• M4: 1,905,578 km (0.093 R)
• M5: 2,228,559 km (0.113 R)
• M6: 2,600,909 km (0.076 R)
• M7: 3,000,634 km (0.12 R)
• M8: 3,629,095 km (0.115 R)
• M9: 4,095,242 km (0.031 R)
• M10: 4,582,033 km (0.098 R)
• M11: 4,927,754 km (0.085 R)
• M12: 5,500,265 km (0.041 R)
• M13: 6,608,336 km (0.119 R)
• M14: 8,077,088 km (0.084 R)
• M15: 9,752,285 km (0.088 R)
• M16: 12,148,245 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.9

Radius: 12.7

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.31 AU - 2.07 AU

Year: 1516 Days

Day: 14.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,128,372 km

• M1: 159,172 km (0.104 R)
• M2: 836,701 km (0.105 R)
• M3: 1,283,849 km (0.038 R)
• M4: 1,863,092 km (0.044 R)
• M5: 2,291,391 km (0.107 R)
• M6: 2,799,425 km (0.1 R)
• M7: 3,476,505 km (0.1 R)
• M8: 4,334,000 km (0.1 R)
• M9: 4,852,955 km (0.099 R)
• M10: 5,370,414 km (0.118 R)
• M11: 6,109,727 km (0.108 R)
• M12: 6,865,046 km (0.105 R)
• M13: 8,099,528 km (0.115 R)
• M14: 8,532,614 km (0.114 R)
• M15: 9,288,981 km (0.099 R)
• M16: 9,796,117 km (0.104 R)
• M17: 10,221,873 km (0.115 R)
• M18: 11,864,906 km (0.053 R)
• M19: 12,730,480 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.3

Radius: 12.6

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.93 AU - 2.69 AU

Year: 2423 Days

Day: 8.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,128,372 km

• M1: 156,779 km (0.084 R)
• M2: 618,737 km (0.111 R)
• M3: 1,011,880 km (0.112 R)
• M4: 1,529,937 km (0.104 R)
• M5: 1,979,479 km (0.054 R)
• M6: 2,652,071 km (0.104 R)
• M7: 3,327,805 km (0.057 R)
• M8: 4,095,092 km (0.111 R)
• M9: 4,543,437 km (0.101 R)
• M10: 4,977,271 km (0.117 R)
• M11: 5,463,763 km (0.114 R)
• M12: 6,308,692 km (0.101 R)
• M13: 6,938,648 km (0.104 R)
• M14: 7,516,246 km (0.111 R)
• M15: 7,962,197 km (0.108 R)
• M16: 8,527,378 km (0.088 R)
• M17: 9,119,187 km (0.104 R)
• M18: 11,020,426 km (0.071 R)
• M19: 15,644,048 km (0.114 R)
• M20: 16,373,038 km (0.114 R)
• M21: 18,987,560 km (0.109 R)
• M22: 19,757,241 km (0.058 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.8

Radius: 12.9

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.26 AU - 3.44 AU

Year: 4232 Days

Day: 7.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 28,128,372 km

• M1: 160,519 km (0.071 R)
• M2: 587,022 km (0.09 R)
• M3: 1,009,786 km (0.065 R)
• M4: 2,262,219 km (0.09 R)
• M5: 2,692,014 km (0.058 R)
• M6: 3,331,395 km (0.105 R)
• M7: 5,394,649 km (0.082 R)
• M8: 5,904,478 km (0.049 R)
• M9: 6,415,355 km (0.084 R)
• M10: 7,087,349 km (0.101 R)
• M11: 9,388,164 km (0.07 R)
• M12: 10,383,439 km (0.05 R)
• M13: 11,130,082 km (0.112 R)
• M14: 12,486,186 km (0.119 R)
• M15: 13,535,017 km (0.08 R)
• M16: 14,002,211 km (0.119 R)
• M17: 14,426,321 km (0.034 R)
• M18: 16,268,020 km (0.065 R)
• M19: 18,387,523 km (0.104 R)
• M20: 19,219,736 km (0.112 R)
• M21: 20,077,081 km (0.061 R)
• M22: 21,375,591 km (0.092 R)
• M23: 22,295,767 km (0.113 R)
• M24: 24,367,399 km (0.102 R)
• M25: 25,765,092 km (0.056 R)
• M26: 26,645,176 km (0.099 R)
• M27: 27,628,034 km (0.118 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: 503 - 11,695 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit