🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.5

Radius: 10.8

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.93 AU - 1.03 AU

Year: 636 Days

Day: 5.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,585,044 km

• M1: 134,339 km (0.077 R)
• M2: 535,261 km (0.109 R)
• M3: 1,377,048 km (0.082 R)
• M4: 1,748,350 km (0.031 R)
• M5: 2,120,251 km (0.094 R)
• M6: 2,954,408 km (0.107 R)
• M7: 3,381,211 km (0.056 R)
• M8: 3,994,562 km (0.105 R)
• M9: 4,375,289 km (0.113 R)
• M10: 4,746,890 km (0.039 R)
• M11: 5,087,225 km (0.113 R)
• M12: 5,990,796 km (0.111 R)
• M13: 6,720,385 km (0.099 R)
• M14: 7,530,757 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.7

Radius: 12.7

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.78 AU - 1.78 AU

Year: 1558 Days

Day: 13.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,585,044 km

• M1: 158,723 km (0.09 R)
• M2: 623,524 km (0.113 R)
• M3: 1,274,723 km (0.089 R)
• M4: 1,695,243 km (0.089 R)
• M5: 2,610,184 km (0.111 R)
• M6: 3,059,276 km (0.094 R)
• M7: 4,414,633 km (0.114 R)
• M8: 4,952,737 km (0.115 R)
• M9: 6,861,007 km (0.09 R)
• M10: 7,781,184 km (0.112 R)
• M11: 8,183,452 km (0.116 R)
• M12: 8,812,811 km (0.064 R)
• M13: 9,377,692 km (0.096 R)
• M14: 11,038,976 km (0.092 R)
• M15: 12,456,566 km (0.071 R)
• M16: 13,330,965 km (0.095 R)
• M17: 14,416,597 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.8

Radius: 8.4

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.8 AU - 2.62 AU

Year: 2155 Days

Day: 10.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,585,044 km

• M1: 104,419 km (0.102 R)
• M2: 389,553 km (0.082 R)
• M3: 1,030,729 km (0.063 R)
• M4: 1,447,958 km (0.047 R)
• M5: 2,397,605 km (0.085 R)
• M6: 2,693,510 km (0.103 R)
• M7: 3,136,469 km (0.078 R)
• M8: 3,644,354 km (0.088 R)
• M9: 3,909,292 km (0.075 R)
• M10: 4,598,489 km (0.115 R)
• M11: 5,343,636 km (0.045 R)
• M12: 6,752,549 km (0.027 R)
• M13: 7,153,920 km (0.104 R)
• M14: 7,430,377 km (0.103 R)
• M15: 7,771,460 km (0.12 R)
• M16: 8,670,244 km (0.098 R)
• M17: 10,998,286 km (0.111 R)
• M18: 12,325,369 km (0.069 R)
• M19: 13,336,501 km (0.103 R)
• M20: 14,314,721 km (0.116 R)
• M21: 14,754,688 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.5

Radius: 12.2

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.72 AU - 2.86 AU

Year: 2273 Days

Day: 11.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,585,044 km

• M1: 152,291 km (0.06 R)
• M2: 655,538 km (0.073 R)
• M3: 1,329,775 km (0.069 R)
• M4: 1,741,170 km (0.108 R)
• M5: 2,666,881 km (0.029 R)
• M6: 3,460,648 km (0.083 R)
• M7: 4,311,859 km (0.103 R)
• M8: 5,406,168 km (0.104 R)
• M9: 6,089,830 km (0.117 R)
• M10: 6,677,451 km (0.081 R)
• M11: 7,090,041 km (0.054 R)
• M12: 8,138,723 km (0.106 R)
• M13: 8,761,199 km (0.095 R)
• M14: 10,926,479 km (0.067 R)
• M15: 12,749,778 km (0.113 R)
• M16: 13,713,338 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.6

Radius: 9.9

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 4.78 AU - 6.84 AU

Year: 9187 Days

Day: 10.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,585,044 km

• M1: 128,654 km (0.048 R)
• M2: 524,640 km (0.115 R)
• M3: 832,961 km (0.097 R)
• M4: 1,412,503 km (0.052 R)
• M5: 1,952,701 km (0.097 R)
• M6: 2,429,619 km (0.054 R)
• M7: 2,982,832 km (0.114 R)
• M8: 3,484,434 km (0.036 R)
• M9: 5,108,917 km (0.091 R)
• M10: 5,460,771 km (0.065 R)
• M11: 6,972,458 km (0.049 R)
• M12: 8,745,641 km (0.098 R)
• M13: 12,116,829 km (0.039 R)
• M14: 17,255,965 km (0.102 R)
• M15: 17,993,333 km (0.041 R)
• M16: 21,933,292 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 226.3

Radius: 4.5

Gravity: 11.18 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 6.51 AU - 8.55 AU

Year: 13555 Days

Day: 23.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,585,044 km

• M1: 56,249 km (0.071 R)
• M2: 644,767 km (0.082 R)
• M3: 844,929 km (0.081 R)
• M4: 1,205,908 km (0.082 R)
• M5: 2,332,979 km (0.068 R)
• M6: 2,478,687 km (0.106 R)
• M7: 2,849,241 km (0.097 R)
• M8: 3,391,982 km (0.115 R)
• M9: 4,399,524 km (0.095 R)
• M10: 7,097,521 km (0.036 R)
• M11: 7,601,217 km (0.098 R)
• M12: 14,439,486 km (0.111 R)
• M13: 14,684,677 km (0.057 R)
• M14: 16,479,253 km (0.048 R)
• M15: 18,775,879 km (0.095 R)
• M16: 19,736,447 km (0.104 R)
• M17: 22,076,906 km (0.074 R)
• M18: 28,148,934 km (0.118 R)
• M19: 34,042,043 km (0.089 R)
• M20: 34,695,037 km (0.07 R)
• M21: 35,356,110 km (0.113 R)
• M22: 39,739,926 km (0.07 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: 343 - 20,215 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit