🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.6

Radius: 9.6

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.65 AU - 0.83 AU

Year: 439 Days

Day: 14.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,275,951 km

• M1: 119,379 km (0.071 R)
• M2: 440,865 km (0.089 R)
• M3: 752,328 km (0.108 R)
• M4: 1,068,727 km (0.074 R)
• M5: 1,496,278 km (0.085 R)
• M6: 1,872,068 km (0.051 R)
• M7: 2,210,309 km (0.117 R)
• M8: 2,530,149 km (0.115 R)
• M9: 2,913,419 km (0.054 R)
• M10: 3,492,961 km (0.047 R)
• M11: 3,876,380 km (0.111 R)
• M12: 4,245,438 km (0.116 R)
• M13: 4,637,983 km (0.095 R)
• M14: 5,215,131 km (0.086 R)
• M15: 5,546,640 km (0.031 R)
• M16: 6,070,382 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.7

Radius: 9.6

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.7 AU - 1.04 AU

Year: 560 Days

Day: 8 Hours

Environment

Temp: -175 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,275,951 km

• M1: 119,529 km (0.095 R)
• M2: 432,487 km (0.044 R)
• M3: 745,895 km (0.052 R)
• M4: 1,054,515 km (0.082 R)
• M5: 1,450,800 km (0.097 R)
• M6: 1,856,061 km (0.078 R)
• M7: 2,167,224 km (0.076 R)
• M8: 2,857,020 km (0.109 R)
• M9: 3,220,992 km (0.067 R)
• M10: 3,627,449 km (0.096 R)
• M11: 4,248,879 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599

Radius: 10.7

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.15 AU - 1.79 AU

Year: 1230 Days

Day: 9.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,275,951 km

• M1: 133,740 km (0.091 R)
• M2: 500,255 km (0.104 R)
• M3: 834,158 km (0.049 R)
• M4: 1,181,524 km (0.08 R)
• M5: 1,745,209 km (0.096 R)
• M6: 2,330,585 km (0.081 R)
• M7: 2,868,689 km (0.109 R)
• M8: 3,238,644 km (0.084 R)
• M9: 4,042,583 km (0.108 R)
• M10: 5,741,865 km (0.1 R)
• M11: 6,221,177 km (0.088 R)
• M12: 6,726,967 km (0.102 R)
• M13: 7,717,006 km (0.11 R)
• M14: 8,886,712 km (0.113 R)
• M15: 9,291,973 km (0.083 R)
• M16: 9,709,650 km (0.096 R)
• M17: 10,170,860 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.4

Radius: 12.9

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.26 AU - 4.94 AU

Year: 5730 Days

Day: 12.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 27,275,951 km

• M1: 160,369 km (0.114 R)
• M2: 841,488 km (0.056 R)
• M3: 1,395,449 km (0.107 R)
• M4: 2,017,926 km (0.104 R)
• M5: 2,466,719 km (0.054 R)
• M6: 3,718,255 km (0.119 R)
• M7: 4,164,356 km (0.048 R)
• M8: 4,721,758 km (0.106 R)
• M9: 5,608,275 km (0.079 R)
• M10: 8,144,706 km (0.084 R)
• M11: 9,872,711 km (0.083 R)
• M12: 10,514,337 km (0.069 R)
• M13: 12,313,251 km (0.117 R)
• M14: 15,020,374 km (0.115 R)
• M15: 16,277,146 km (0.033 R)
• M16: 16,751,072 km (0.076 R)
• M17: 18,355,659 km (0.103 R)
• M18: 19,925,539 km (0.072 R)
• M19: 22,083,787 km (0.117 R)
• M20: 22,738,577 km (0.09 R)
• M21: 23,406,232 km (0.09 R)
• M22: 26,451,596 km (0.059 R)
• M23: 27,356,215 km (0.083 R)
• M24: 28,366,449 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.3

Radius: 9.9

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.43 AU - 4.75 AU

Year: 6788 Days

Day: 7.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 27,275,951 km

• M1: 124,017 km (0.061 R)
• M2: 454,030 km (0.095 R)
• M3: 784,042 km (0.071 R)
• M4: 1,263,204 km (0.11 R)
• M5: 1,632,711 km (0.109 R)
• M6: 2,579,366 km (0.09 R)
• M7: 2,954,558 km (0.094 R)
• M8: 4,884,221 km (0.102 R)
• M9: 5,700,128 km (0.118 R)
• M10: 7,248,017 km (0.045 R)
• M11: 7,634,279 km (0.082 R)
• M12: 8,034,154 km (0.057 R)
• M13: 9,931,354 km (0.11 R)
• M14: 10,448,962 km (0.114 R)
• M15: 10,776,283 km (0.104 R)
• M16: 11,843,663 km (0.108 R)
• M17: 12,154,827 km (0.049 R)
• M18: 13,215,925 km (0.109 R)
• M19: 14,691,109 km (0.096 R)
• M20: 19,960,395 km (0.064 R)
• M21: 22,638,197 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173

Radius: 10.6

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.5 AU - 6.2 AU

Year: 8542 Days

Day: 6.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,275,951 km

• M1: 258,206 km (0.045 R)
• M2: 2,171,712 km (0.105 R)
• M3: 2,655,063 km (0.035 R)
• M4: 3,627,599 km (0.103 R)
• M5: 4,501,699 km (0.112 R)
• M6: 5,265,247 km (0.101 R)
• M7: 7,552,000 km (0.086 R)
• M8: 11,131,278 km (0.07 R)
• M9: 12,236,507 km (0.086 R)
• M10: 13,873,856 km (0.103 R)
• M11: 16,860,578 km (0.116 R)
• M12: 18,629,722 km (0.108 R)
• M13: 22,533,628 km (0.099 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 19,432 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit