🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.6

Radius: 12.3

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.54 AU - 0.72 AU

Year: 345 Days

Day: 11.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 30,815,135 km

• M1: 153,487 km (0.088 R)
• M2: 715,975 km (0.056 R)
• M3: 1,233,883 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.2

Radius: 8.3

Gravity: 12.01 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.92 AU - 1.54 AU

Year: 942 Days

Day: 7.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,815,135 km

• M1: 103,522 km (0.102 R)
• M2: 403,017 km (0.097 R)
• M3: 700,268 km (0.118 R)
• M4: 1,134,849 km (0.074 R)
• M5: 1,834,219 km (0.112 R)
• M6: 2,165,579 km (0.093 R)
• M7: 2,681,841 km (0.032 R)
• M8: 3,630,292 km (0.099 R)
• M9: 4,359,581 km (0.109 R)
• M10: 4,991,632 km (0.116 R)
• M11: 5,319,999 km (0.074 R)
• M12: 6,281,615 km (0.044 R)
• M13: 6,850,535 km (0.036 R)
• M14: 7,403,898 km (0.086 R)
• M15: 7,908,940 km (0.092 R)
• M16: 8,847,816 km (0.11 R)
• M17: 9,799,409 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.9

Radius: 8.6

Gravity: 8.44 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.2 AU - 1.7 AU

Year: 1205 Days

Day: 9.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,815,135 km

• M1: 108,309 km (0.083 R)
• M2: 386,561 km (0.078 R)
• M3: 1,044,044 km (0.112 R)
• M4: 1,388,119 km (0.109 R)
• M5: 1,704,219 km (0.052 R)
• M6: 4,620,629 km (0.109 R)
• M7: 5,134,498 km (0.102 R)
• M8: 5,728,102 km (0.114 R)
• M9: 6,097,011 km (0.1 R)
• M10: 6,954,805 km (0.117 R)
• M11: 8,238,953 km (0.115 R)
• M12: 8,994,722 km (0.048 R)
• M13: 9,464,010 km (0.119 R)
• M14: 11,336,676 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.6

Radius: 10.7

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.46 AU - 1.64 AU

Year: 1332 Days

Day: 11 Hours

Environment

Temp: -196 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 30,815,135 km

• M1: 133,142 km (0.055 R)
• M2: 605,871 km (0.068 R)
• M3: 1,165,068 km (0.086 R)
• M4: 2,382,795 km (0.078 R)
• M5: 4,377,234 km (0.097 R)
• M6: 5,476,928 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.3

Radius: 13.3

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.89 AU - 2.53 AU

Year: 2268 Days

Day: 10.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,815,135 km

• M1: 166,652 km (0.111 R)
• M2: 688,449 km (0.097 R)
• M3: 1,506,451 km (0.078 R)
• M4: 2,190,562 km (0.036 R)
• M5: 3,718,405 km (0.074 R)
• M6: 4,316,347 km (0.096 R)
• M7: 5,070,021 km (0.071 R)
• M8: 5,787,194 km (0.095 R)
• M9: 7,163,344 km (0.075 R)
• M10: 7,766,224 km (0.093 R)
• M11: 8,195,420 km (0.119 R)
• M12: 8,693,880 km (0.116 R)
• M13: 9,550,777 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.3

Radius: 14.2

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2 AU - 3.26 AU

Year: 2944 Days

Day: 14.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,815,135 km

• M1: 176,825 km (0.065 R)
• M2: 730,786 km (0.09 R)
• M3: 1,180,776 km (0.112 R)
• M4: 2,811,243 km (0.105 R)
• M5: 3,342,465 km (0.118 R)
• M6: 4,277,003 km (0.083 R)
• M7: 5,303,544 km (0.106 R)
• M8: 6,066,194 km (0.113 R)
• M9: 8,075,742 km (0.113 R)
• M10: 8,764,341 km (0.059 R)
• M11: 9,491,686 km (0.063 R)
• M12: 10,497,283 km (0.11 R)
• M13: 12,093,193 km (0.055 R)
• M14: 12,903,265 km (0.085 R)
• M15: 15,087,544 km (0.077 R)
• M16: 18,022,205 km (0.076 R)
• M17: 19,259,978 km (0.06 R)
• M18: 20,806,521 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.6

Radius: 13.1

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 5.27 AU - 5.73 AU

Year: 8903 Days

Day: 10.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,815,135 km

• M1: 168,597 km (0.119 R)
• M2: 857,645 km (0.066 R)
• M3: 1,315,264 km (0.083 R)
• M4: 3,088,448 km (0.097 R)
• M5: 3,510,613 km (0.1 R)
• M6: 4,522,792 km (0.12 R)
• M7: 5,431,450 km (0.103 R)
• M8: 6,331,131 km (0.086 R)
• M9: 6,984,425 km (0.102 R)
• M10: 7,974,314 km (0.053 R)
• M11: 8,464,696 km (0.105 R)
• M12: 8,935,331 km (0.114 R)
• M13: 10,995,144 km (0.11 R)
• M14: 11,892,133 km (0.111 R)
• M15: 16,817,493 km (0.087 R)
• M16: 20,208,578 km (0.096 R)
• M17: 23,033,883 km (0.113 R)
• M18: 24,659,563 km (0.091 R)
• M19: 27,537,078 km (0.057 R)
• M20: 29,012,562 km (0.089 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 17,448 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit