🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.8

Radius: 9.5

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.47 AU - 0.57 AU

Year: 254 Days

Day: 13.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,864,842 km

• M1: 118,781 km (0.114 R)
• M2: 435,928 km (0.072 R)
• M3: 980,913 km (0.04 R)
• M4: 1,534,425 km (0.032 R)
• M5: 2,060,860 km (0.105 R)
• M6: 2,643,544 km (0.115 R)
• M7: 3,485,630 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.2

Radius: 9

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.55 AU - 0.85 AU

Year: 397 Days

Day: 13.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,864,842 km

• M1: 111,899 km (0.071 R)
• M2: 425,157 km (0.046 R)
• M3: 709,244 km (0.086 R)
• M4: 1,202,019 km (0.089 R)
• M5: 1,587,233 km (0.037 R)
• M6: 2,138,801 km (0.079 R)
• M7: 2,544,061 km (0.064 R)
• M8: 2,865,697 km (0.116 R)
• M9: 3,252,856 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.1

Radius: 13.5

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.66 AU - 0.76 AU

Year: 406 Days

Day: 5.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,864,842 km

• M1: 168,148 km (0.096 R)
• M2: 609,013 km (0.104 R)
• M3: 1,156,092 km (0.102 R)
• M4: 1,859,502 km (0.085 R)
• M5: 2,455,200 km (0.119 R)
• M6: 3,977,957 km (0.029 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.3

Radius: 14

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.7 AU - 0.88 AU

Year: 476 Days

Day: 5.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,864,842 km

• M1: 174,132 km (0.085 R)
• M2: 633,996 km (0.056 R)
• M3: 1,230,592 km (0.026 R)
• M4: 1,760,019 km (0.093 R)
• M5: 2,556,777 km (0.066 R)
• M6: 3,095,928 km (0.071 R)
• M7: 3,561,028 km (0.111 R)
• M8: 4,060,535 km (0.113 R)
• M9: 4,827,822 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.7

Radius: 12

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.05 AU - 1.29 AU

Year: 858 Days

Day: 12.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,864,842 km

• M1: 149,299 km (0.112 R)
• M2: 553,961 km (0.08 R)
• M3: 1,042,847 km (0.08 R)
• M4: 1,593,517 km (0.094 R)
• M5: 2,013,139 km (0.114 R)
• M6: 2,408,376 km (0.038 R)
• M7: 3,145,744 km (0.056 R)
• M8: 3,741,592 km (0.097 R)
• M9: 5,141,978 km (0.093 R)
• M10: 5,555,766 km (0.118 R)
• M11: 8,069,160 km (0.111 R)
• M12: 8,787,229 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.5

Radius: 11.5

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.02 AU - 2.78 AU

Year: 2522 Days

Day: 11.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,864,842 km

• M1: 151,094 km (0.117 R)
• M2: 874,400 km (0.06 R)
• M3: 1,471,594 km (0.07 R)
• M4: 2,246,062 km (0.095 R)
• M5: 2,868,838 km (0.107 R)
• M6: 3,257,045 km (0.108 R)
• M7: 5,323,440 km (0.119 R)
• M8: 5,729,598 km (0.066 R)
• M9: 6,266,356 km (0.096 R)
• M10: 8,080,828 km (0.119 R)
• M11: 8,653,190 km (0.07 R)
• M12: 9,361,087 km (0.112 R)
• M13: 11,176,607 km (0.108 R)
• M14: 16,967,241 km (0.109 R)
• M15: 18,997,583 km (0.107 R)
• M16: 20,561,330 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899

Radius: 9.4

Gravity: 10.17 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.75 AU - 4.01 AU

Year: 5184 Days

Day: 9.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,864,842 km

• M1: 120,127 km (0.045 R)
• M2: 425,008 km (0.076 R)
• M3: 841,937 km (0.108 R)
• M4: 1,161,777 km (0.046 R)
• M5: 1,478,775 km (0.062 R)
• M6: 1,798,765 km (0.105 R)
• M7: 2,180,987 km (0.117 R)
• M8: 4,834,854 km (0.086 R)
• M9: 5,198,227 km (0.027 R)
• M10: 5,948,909 km (0.108 R)
• M11: 7,776,995 km (0.082 R)
• M12: 11,251,705 km (0.1 R)
• M13: 12,297,992 km (0.094 R)
• M14: 12,765,785 km (0.118 R)
• M15: 13,191,540 km (0.1 R)
• M16: 14,015,376 km (0.114 R)
• M17: 17,525,690 km (0.032 R)
• M18: 23,668,328 km (0.113 R)
• M19: 24,311,449 km (0.065 R)
• M20: 25,381,074 km (0.085 R)
• M21: 26,740,320 km (0.101 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: 488 - 17,887 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit