🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.1

Radius: 8.3

Gravity: 10.82 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.39 AU - 1.47 AU

Year: 1087 Days

Day: 8.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,607,791 km

• M1: 103,372 km (0.077 R)
• M2: 406,607 km (0.069 R)
• M3: 842,386 km (0.034 R)
• M4: 1,816,567 km (0.095 R)
• M5: 2,319,365 km (0.099 R)
• M6: 2,979,092 km (0.115 R)
• M7: 3,586,310 km (0.051 R)
• M8: 4,273,413 km (0.039 R)
• M9: 4,987,443 km (0.109 R)
• M10: 5,464,960 km (0.103 R)
• M11: 5,994,387 km (0.069 R)
• M12: 7,131,031 km (0.118 R)
• M13: 8,598,886 km (0.083 R)
• M14: 9,198,025 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.4

Radius: 12

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.88 AU - 2.06 AU

Year: 1758 Days

Day: 8.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 79.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,607,791 km

• M1: 149,299 km (0.114 R)
• M2: 549,623 km (0.111 R)
• M3: 1,119,740 km (0.073 R)
• M4: 2,239,779 km (0.086 R)
• M5: 2,990,162 km (0.077 R)
• M6: 3,395,423 km (0.075 R)
• M7: 3,869,499 km (0.112 R)
• M8: 4,249,477 km (0.092 R)
• M9: 4,764,393 km (0.111 R)
• M10: 5,202,116 km (0.11 R)
• M11: 5,920,037 km (0.052 R)
• M12: 6,796,680 km (0.068 R)
• M13: 7,655,222 km (0.104 R)
• M14: 8,150,840 km (0.12 R)
• M15: 8,667,850 km (0.046 R)
• M16: 9,499,016 km (0.101 R)
• M17: 9,888,569 km (0.116 R)
• M18: 10,796,179 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539

Radius: 14.9

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.03 AU - 2.85 AU

Year: 2423 Days

Day: 12 Hours

Environment

Temp: -197 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 26,607,791 km

• M1: 185,352 km (0.075 R)
• M2: 908,657 km (0.115 R)
• M3: 1,510,041 km (0.08 R)
• M4: 2,325,050 km (0.086 R)
• M5: 3,237,896 km (0.099 R)
• M6: 3,769,567 km (0.11 R)
• M7: 5,418,285 km (0.086 R)
• M8: 6,275,331 km (0.088 R)
• M9: 6,886,439 km (0.107 R)
• M10: 8,136,329 km (0.06 R)
• M11: 8,962,708 km (0.056 R)
• M12: 9,464,459 km (0.096 R)
• M13: 10,634,913 km (0.04 R)
• M14: 11,121,704 km (0.09 R)
• M15: 12,713,874 km (0.067 R)
• M16: 13,305,683 km (0.101 R)
• M17: 14,499,175 km (0.065 R)
• M18: 15,005,414 km (0.098 R)
• M19: 16,004,728 km (0.105 R)
• M20: 17,048,024 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.1

Radius: 13.6

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.54 AU - 2.72 AU

Year: 2712 Days

Day: 6.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,607,791 km

• M1: 169,494 km (0.11 R)
• M2: 811,718 km (0.11 R)
• M3: 1,390,213 km (0.114 R)
• M4: 2,743,775 km (0.107 R)
• M5: 3,377,770 km (0.119 R)
• M6: 3,941,605 km (0.106 R)
• M7: 4,775,613 km (0.118 R)
• M8: 6,915,012 km (0.11 R)
• M9: 8,575,848 km (0.109 R)
• M10: 9,745,553 km (0.085 R)
• M11: 10,569,239 km (0.057 R)
• M12: 12,855,394 km (0.072 R)
• M13: 13,846,629 km (0.073 R)
• M14: 14,336,114 km (0.082 R)
• M15: 15,401,998 km (0.092 R)
• M16: 16,195,316 km (0.103 R)
• M17: 16,794,156 km (0.07 R)
• M18: 17,691,594 km (0.073 R)
• M19: 18,326,936 km (0.035 R)
• M20: 19,338,816 km (0.066 R)
• M21: 20,075,286 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.8

Radius: 14.2

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.19 AU - 3.31 AU

Year: 2900 Days

Day: 9.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,607,791 km

• M1: 177,124 km (0.036 R)
• M2: 632,799 km (0.092 R)
• M3: 1,211,892 km (0.092 R)
• M4: 1,736,981 km (0.104 R)
• M5: 2,468,814 km (0.045 R)
• M6: 4,052,158 km (0.093 R)
• M7: 4,962,461 km (0.059 R)
• M8: 6,339,659 km (0.053 R)
• M9: 11,442,143 km (0.109 R)
• M10: 12,244,735 km (0.092 R)
• M11: 12,743,943 km (0.074 R)
• M12: 16,629,748 km (0.117 R)
• M13: 17,139,578 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.5

Radius: 10

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 4.16 AU - 4.48 AU

Year: 5709 Days

Day: 10 Hours

Environment

Temp: -206 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,607,791 km

• M1: 172,486 km (0.046 R)
• M2: 622,776 km (0.097 R)
• M3: 1,156,092 km (0.088 R)
• M4: 1,532,181 km (0.113 R)
• M5: 2,505,615 km (0.053 R)
• M6: 2,998,689 km (0.114 R)
• M7: 3,826,714 km (0.076 R)
• M8: 4,926,407 km (0.089 R)
• M9: 8,525,283 km (0.113 R)
• M10: 9,523,251 km (0.093 R)
• M11: 9,968,155 km (0.115 R)
• M12: 10,726,018 km (0.101 R)
• M13: 11,658,461 km (0.12 R)
• M14: 11,980,845 km (0.118 R)
• M15: 22,121,037 km (0.107 R)
• M16: 23,336,221 km (0.086 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 16,881 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit