🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.8

Radius: 9.1

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.76 AU - 1.24 AU

Year: 703 Days

Day: 10.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,463,931 km

• M1: 113,096 km (0.096 R)
• M2: 431,440 km (0.048 R)
• M3: 835,504 km (0.082 R)
• M4: 1,184,366 km (0.12 R)
• M5: 1,742,366 km (0.068 R)
• M6: 2,313,381 km (0.078 R)
• M7: 2,670,621 km (0.09 R)
• M8: 3,378,818 km (0.075 R)
• M9: 3,686,989 km (0.118 R)
• M10: 4,453,529 km (0.106 R)
• M11: 4,791,769 km (0.098 R)
• M12: 5,078,249 km (0.051 R)
• M13: 5,465,857 km (0.049 R)
• M14: 5,835,215 km (0.089 R)
• M15: 6,320,510 km (0.116 R)
• M16: 6,853,378 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.5

Radius: 10.1

Gravity: 8.61 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.96 AU - 1.2 AU

Year: 789 Days

Day: 7 Hours

Environment

Temp: -169 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,463,931 km

• M1: 141,968 km (0.088 R)
• M2: 456,124 km (0.11 R)
• M3: 777,161 km (0.077 R)
• M4: 1,217,577 km (0.106 R)
• M5: 1,647,521 km (0.072 R)
• M6: 1,970,204 km (0.117 R)
• M7: 2,557,675 km (0.114 R)
• M8: 2,981,785 km (0.103 R)
• M9: 3,299,381 km (0.094 R)
• M10: 3,639,567 km (0.075 R)
• M11: 4,424,806 km (0.102 R)
• M12: 5,952,050 km (0.056 R)
• M13: 6,415,654 km (0.102 R)
• M14: 7,344,208 km (0.119 R)
• M15: 7,828,457 km (0.104 R)
• M16: 8,489,829 km (0.109 R)
• M17: 9,410,454 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.5

Radius: 13

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.96 AU - 1.44 AU

Year: 924 Days

Day: 9 Hours

Environment

Temp: -188 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 24,463,931 km

• M1: 161,715 km (0.089 R)
• M2: 962,961 km (0.085 R)
• M3: 1,449,753 km (0.096 R)
• M4: 2,071,183 km (0.054 R)
• M5: 2,996,745 km (0.063 R)
• M6: 3,517,495 km (0.075 R)
• M7: 4,455,922 km (0.08 R)
• M8: 4,946,753 km (0.107 R)
• M9: 5,353,509 km (0.076 R)
• M10: 6,102,995 km (0.063 R)
• M11: 6,756,737 km (0.098 R)
• M12: 7,431,873 km (0.086 R)
• M13: 7,993,463 km (0.119 R)
• M14: 8,749,082 km (0.079 R)
• M15: 10,247,604 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.3

Radius: 10.3

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.13 AU - 1.47 AU

Year: 1042 Days

Day: 10.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,463,931 km

• M1: 128,056 km (0.096 R)
• M2: 543,788 km (0.087 R)
• M3: 908,657 km (0.116 R)
• M4: 1,805,796 km (0.082 R)
• M5: 2,231,701 km (0.036 R)
• M6: 3,079,622 km (0.096 R)
• M7: 3,401,856 km (0.117 R)
• M8: 4,129,350 km (0.073 R)
• M9: 4,522,792 km (0.113 R)
• M10: 5,280,206 km (0.079 R)
• M11: 5,689,656 km (0.103 R)
• M12: 6,333,675 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.2

Radius: 9.9

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.17 AU - 1.93 AU

Year: 1356 Days

Day: 14.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 24,463,931 km

• M1: 123,119 km (0.089 R)
• M2: 451,038 km (0.038 R)
• M3: 791,822 km (0.079 R)
• M4: 1,461,272 km (0.097 R)
• M5: 1,919,939 km (0.109 R)
• M6: 2,277,478 km (0.094 R)
• M7: 2,679,747 km (0.118 R)
• M8: 3,218,897 km (0.085 R)
• M9: 3,794,999 km (0.069 R)
• M10: 4,161,813 km (0.059 R)
• M11: 4,533,264 km (0.063 R)
• M12: 5,069,872 km (0.106 R)
• M13: 6,536,529 km (0.116 R)
• M14: 7,169,777 km (0.108 R)
• M15: 7,677,961 km (0.109 R)
• M16: 8,354,143 km (0.084 R)
• M17: 9,285,689 km (0.092 R)
• M18: 9,792,976 km (0.078 R)
• M19: 10,351,873 km (0.071 R)
• M20: 12,344,966 km (0.12 R)
• M21: 13,352,208 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.9

Radius: 11.5

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.99 AU - 4.83 AU

Year: 6510 Days

Day: 12.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,463,931 km

• M1: 162,014 km (0.105 R)
• M2: 565,630 km (0.115 R)
• M3: 1,608,028 km (0.108 R)
• M4: 2,315,177 km (0.098 R)
• M5: 2,749,609 km (0.074 R)
• M6: 3,805,022 km (0.097 R)
• M7: 4,937,627 km (0.095 R)
• M8: 6,791,295 km (0.109 R)
• M9: 7,327,603 km (0.11 R)
• M10: 7,824,118 km (0.117 R)
• M11: 8,774,364 km (0.077 R)
• M12: 9,760,663 km (0.116 R)
• M13: 11,117,067 km (0.08 R)
• M14: 11,684,491 km (0.118 R)
• M15: 14,099,749 km (0.066 R)
• M16: 23,103,746 km (0.088 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: 468 - 10,818 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit