🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.2

Radius: 11.8

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.87 AU - 1.29 AU

Year: 761 Days

Day: 12 Hours

Environment

Temp: -176 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,867,650 km

• M1: 146,756 km (0.114 R)
• M2: 539,450 km (0.059 R)
• M3: 935,136 km (0.081 R)
• M4: 1,325,587 km (0.101 R)
• M5: 2,041,113 km (0.111 R)
• M6: 2,454,751 km (0.09 R)
• M7: 3,038,183 km (0.085 R)
• M8: 3,596,034 km (0.109 R)
• M9: 3,968,981 km (0.08 R)
• M10: 4,585,923 km (0.095 R)
• M11: 5,303,544 km (0.058 R)
• M12: 5,910,013 km (0.087 R)
• M13: 6,562,260 km (0.119 R)
• M14: 7,099,765 km (0.118 R)
• M15: 7,545,866 km (0.07 R)
• M16: 8,212,175 km (0.089 R)
• M17: 8,730,681 km (0.12 R)
• M18: 9,298,555 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.2

Radius: 9.7

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.5 AU - 1.7 AU

Year: 1373 Days

Day: 8 Hours

Environment

Temp: -186 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,867,650 km

• M1: 120,576 km (0.087 R)
• M2: 546,780 km (0.103 R)
• M3: 1,008,589 km (0.052 R)
• M4: 1,551,779 km (0.076 R)
• M5: 1,854,864 km (0.049 R)
• M6: 2,624,545 km (0.116 R)
• M7: 4,033,907 km (0.098 R)
• M8: 6,074,122 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.3

Radius: 10.5

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.63 AU - 5.23 AU

Year: 7424 Days

Day: 9.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,867,650 km

• M1: 130,599 km (0.089 R)
• M2: 523,443 km (0.099 R)
• M3: 934,987 km (0.081 R)
• M4: 1,308,383 km (0.098 R)
• M5: 1,670,859 km (0.103 R)
• M6: 2,915,662 km (0.083 R)
• M7: 3,340,221 km (0.105 R)
• M8: 5,192,243 km (0.107 R)
• M9: 6,184,825 km (0.088 R)
• M10: 7,148,534 km (0.089 R)
• M11: 7,924,648 km (0.042 R)
• M12: 10,397,950 km (0.088 R)
• M13: 12,235,909 km (0.097 R)
• M14: 16,478,654 km (0.084 R)
• M15: 26,526,246 km (0.101 R)
• M16: 27,073,624 km (0.104 R)
• M17: 28,856,681 km (0.119 R)
• M18: 32,034,738 km (0.112 R)
• M19: 33,284,329 km (0.119 R)
• M20: 35,548,942 km (0.055 R)
• M21: 36,103,053 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.2

Radius: 9.2

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.44 AU - 5.76 AU

Year: 8988 Days

Day: 6.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,867,650 km

• M1: 116,986 km (0.119 R)
• M2: 435,180 km (0.111 R)
• M3: 836,850 km (0.086 R)
• M4: 1,283,550 km (0.052 R)
• M5: 1,756,429 km (0.107 R)
• M6: 2,852,981 km (0.071 R)
• M7: 3,571,649 km (0.074 R)
• M8: 4,097,635 km (0.069 R)
• M9: 5,011,678 km (0.119 R)
• M10: 7,128,189 km (0.103 R)
• M11: 7,499,940 km (0.071 R)
• M12: 9,917,142 km (0.099 R)
• M13: 10,522,714 km (0.076 R)
• M14: 12,757,108 km (0.099 R)
• M15: 15,047,152 km (0.1 R)
• M16: 16,935,377 km (0.113 R)
• M17: 17,800,651 km (0.052 R)
• M18: 19,691,568 km (0.112 R)
• M19: 27,771,798 km (0.094 R)
• M20: 29,826,524 km (0.085 R)
• M21: 31,880,653 km (0.103 R)
• M22: 32,383,152 km (0.037 R)
• M23: 35,726,066 km (0.106 R)
• M24: 36,159,451 km (0.033 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 52.1

Radius: 7

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 5.03 AU - 6.87 AU

Year: 9844 Days

Day: 24.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,867,650 km

• M1: 87,664 km (0.065 R)
• M2: 683,213 km (0.069 R)
• M3: 1,358,049 km (0.09 R)
• M4: 1,898,247 km (0.061 R)
• M5: 4,562,137 km (0.068 R)
• M6: 5,607,676 km (0.118 R)
• M7: 6,490,453 km (0.117 R)
• M8: 7,555,590 km (0.104 R)
• M9: 8,162,658 km (0.083 R)
• M10: 8,394,385 km (0.086 R)
• M11: 8,836,297 km (0.045 R)
• M12: 9,115,746 km (0.058 R)
• M13: 10,293,680 km (0.082 R)
• M14: 10,839,712 km (0.071 R)
• M15: 11,445,883 km (0.12 R)
• M16: 14,384,434 km (0.08 R)
• M17: 14,820,511 km (0.039 R)
• M18: 16,919,968 km (0.112 R)
• M19: 18,124,380 km (0.116 R)
• M20: 18,747,605 km (0.095 R)
• M21: 19,561,418 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 403.2

Radius: 4.1

Gravity: 23.99 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 7.7 AU - 11.12 AU

Year: 19578 Days

Day: 23.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,867,650 km

• M1: 51,162 km (0.086 R)
• M2: 516,711 km (0.111 R)
• M3: 2,563,808 km (0.12 R)
• M4: 3,951,777 km (0.112 R)
• M5: 5,549,183 km (0.063 R)
• M6: 6,085,941 km (0.102 R)
• M7: 14,591,477 km (0.098 R)
• M8: 21,412,990 km (0.116 R)
• M9: 39,175,494 km (0.099 R)
• M10: 53,908,490 km (0.108 R)
• M11: 55,453,687 km (0.103 R)
• M12: 55,627,220 km (0.099 R)
• M13: 59,536,213 km (0.058 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 407 - 11,359 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit