🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.41 AU - 0.63 AU

Year: 242 Days

Day: 27.4 Hours

Environment

Temp: -118 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.7

Radius: 12.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.94 AU - 1.5 AU

Year: 870 Days

Day: 14.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,549,882 km

• M1: 153,039 km (0.083 R)
• M2: 577,747 km (0.089 R)
• M3: 1,115,252 km (0.075 R)
• M4: 1,512,285 km (0.067 R)
• M5: 2,113,668 km (0.063 R)
• M6: 3,130,485 km (0.034 R)
• M7: 3,877,876 km (0.093 R)
• M8: 4,406,704 km (0.051 R)
• M9: 5,139,136 km (0.113 R)
• M10: 5,778,816 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.5

Radius: 8.8

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.73 AU - 3.89 AU

Year: 3888 Days

Day: 7.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,549,882 km

• M1: 109,655 km (0.104 R)
• M2: 650,452 km (0.051 R)
• M3: 958,773 km (0.036 R)
• M4: 1,633,160 km (0.074 R)
• M5: 2,140,147 km (0.096 R)
• M6: 2,748,711 km (0.09 R)
• M7: 3,286,216 km (0.096 R)
• M8: 3,852,295 km (0.108 R)
• M9: 4,415,980 km (0.08 R)
• M10: 5,786,146 km (0.088 R)
• M11: 6,272,489 km (0.117 R)
• M12: 7,451,021 km (0.115 R)
• M13: 8,059,735 km (0.092 R)
• M14: 9,934,047 km (0.098 R)
• M15: 10,992,751 km (0.065 R)
• M16: 13,333,060 km (0.095 R)
• M17: 14,182,028 km (0.042 R)
• M18: 14,521,615 km (0.062 R)
• M19: 17,771,778 km (0.064 R)
• M20: 18,509,894 km (0.116 R)
• M21: 20,475,610 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.6

Radius: 15

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.1 AU - 3.88 AU

Year: 4210 Days

Day: 10.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,549,882 km

• M1: 186,549 km (0.095 R)
• M2: 655,837 km (0.072 R)
• M3: 1,881,642 km (0.052 R)
• M4: 2,378,307 km (0.107 R)
• M5: 2,864,799 km (0.099 R)
• M6: 3,761,190 km (0.106 R)
• M7: 4,698,720 km (0.081 R)
• M8: 5,423,970 km (0.094 R)
• M9: 5,948,161 km (0.044 R)
• M10: 6,798,475 km (0.1 R)
• M11: 9,502,606 km (0.052 R)
• M12: 10,746,662 km (0.085 R)
• M13: 11,965,586 km (0.078 R)
• M14: 12,767,430 km (0.088 R)
• M15: 16,937,172 km (0.054 R)
• M16: 18,352,816 km (0.111 R)
• M17: 19,420,048 km (0.109 R)
• M18: 20,716,912 km (0.114 R)
• M19: 21,290,021 km (0.036 R)
• M20: 22,070,772 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913

Radius: 13.7

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.19 AU - 4.37 AU

Year: 4745 Days

Day: 8.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,549,882 km

• M1: 170,392 km (0.079 R)
• M2: 699,669 km (0.08 R)
• M3: 1,370,466 km (0.114 R)
• M4: 2,078,513 km (0.099 R)
• M5: 2,552,289 km (0.07 R)
• M6: 3,197,206 km (0.085 R)
• M7: 4,895,890 km (0.109 R)
• M8: 6,207,414 km (0.112 R)
• M9: 7,344,956 km (0.087 R)
• M10: 7,926,443 km (0.109 R)
• M11: 8,696,274 km (0.101 R)
• M12: 12,588,362 km (0.092 R)
• M13: 14,573,974 km (0.115 R)
• M14: 16,947,045 km (0.057 R)
• M15: 17,578,348 km (0.109 R)
• M16: 18,821,357 km (0.071 R)
• M17: 19,293,787 km (0.114 R)
• M18: 23,363,747 km (0.063 R)
• M19: 24,464,189 km (0.11 R)
• M20: 26,012,676 km (0.106 R)
• M21: 30,491,487 km (0.101 R)
• M22: 31,426,174 km (0.117 R)
• M23: 31,900,699 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.6

Radius: 8.8

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.56 AU - 5.12 AU

Year: 5838 Days

Day: 12.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,549,882 km

• M1: 109,506 km (0.11 R)
• M2: 394,639 km (0.117 R)
• M3: 856,897 km (0.11 R)
• M4: 1,134,700 km (0.098 R)
• M5: 1,580,053 km (0.066 R)
• M6: 1,918,293 km (0.047 R)
• M7: 2,206,868 km (0.105 R)
• M8: 3,041,774 km (0.09 R)
• M9: 3,455,711 km (0.102 R)
• M10: 5,709,702 km (0.12 R)
• M11: 6,748,510 km (0.096 R)
• M12: 7,049,800 km (0.032 R)
• M13: 8,108,354 km (0.096 R)
• M14: 8,906,608 km (0.116 R)
• M15: 10,141,988 km (0.111 R)
• M16: 10,699,240 km (0.085 R)
• M17: 11,109,736 km (0.073 R)
• M18: 12,359,477 km (0.053 R)
• M19: 14,233,938 km (0.1 R)
• M20: 14,831,282 km (0.103 R)
• M21: 16,944,053 km (0.081 R)
• M22: 17,728,694 km (0.038 R)
• M23: 18,072,320 km (0.116 R)
• M24: 20,228,026 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.5

Radius: 10.2

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.48 AU - 4.62 AU

Year: 6267 Days

Day: 11.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,549,882 km

• M1: 126,859 km (0.094 R)
• M2: 673,938 km (0.12 R)
• M3: 1,035,666 km (0.12 R)
• M4: 1,458,280 km (0.088 R)
• M5: 1,894,807 km (0.062 R)
• M6: 3,317,482 km (0.068 R)
• M7: 3,844,665 km (0.113 R)
• M8: 4,529,375 km (0.062 R)
• M9: 5,150,954 km (0.093 R)
• M10: 6,077,862 km (0.114 R)
• M11: 6,834,528 km (0.051 R)
• M12: 7,727,029 km (0.106 R)
• M13: 8,695,227 km (0.06 R)
• M14: 9,356,300 km (0.045 R)
• M15: 9,699,028 km (0.089 R)
• M16: 10,094,864 km (0.103 R)
• M17: 11,541,177 km (0.063 R)
• M18: 12,237,854 km (0.107 R)
• M19: 14,270,290 km (0.051 R)
• M20: 15,664,243 km (0.118 R)
• M21: 16,518,298 km (0.105 R)
• M22: 17,020,049 km (0.113 R)
• M23: 17,791,675 km (0.071 R)
• M24: 18,924,579 km (0.061 R)
• M25: 22,079,299 km (0.098 R)
• M26: 22,611,569 km (0.101 R)
• M27: 25,072,454 km (0.065 R)
• M28: 26,325,186 km (0.109 R)
• M29: 28,415,368 km (0.093 R)
• M30: 29,500,999 km (0.104 R)
• M31: 30,146,963 km (0.051 R)
• M32: 32,335,729 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774.6

Radius: 4.2

Gravity: 43.91 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 8.23 AU - 10.58 AU

Year: 18608 Days

Day: 23.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 75,549,882 km

• M1: 52,509 km (0.098 R)
• M2: 196,123 km (0.119 R)
• M3: 327,919 km (0.113 R)
• M4: 867,069 km (0.099 R)
• M5: 1,304,045 km (0.115 R)
• M6: 1,605,335 km (0.086 R)
• M7: 2,194,302 km (0.106 R)
• M8: 2,345,246 km (0.113 R)
• M9: 2,480,034 km (0.12 R)
• M10: 2,716,398 km (0.118 R)
• M11: 3,234,007 km (0.091 R)
• M12: 5,179,826 km (0.116 R)
• M13: 5,448,354 km (0.082 R)
• M14: 7,163,793 km (0.093 R)
• M15: 10,852,578 km (0.101 R)
• M16: 12,476,612 km (0.056 R)
• M17: 14,405,078 km (0.117 R)
• M18: 15,875,326 km (0.067 R)
• M19: 19,936,459 km (0.075 R)
• M20: 21,365,269 km (0.066 R)
• M21: 25,396,931 km (0.088 R)
• M22: 27,532,890 km (0.06 R)
• M23: 29,181,309 km (0.116 R)
• M24: 36,853,136 km (0.097 R)
• M25: 49,596,481 km (0.05 R)
• M26: 55,273,720 km (0.12 R)
• M27: 57,509,610 km (0.069 R)
• M28: 67,056,647 km (0.111 R)
• M29: 71,110,001 km (0.082 R)
• M30: 73,752,349 km (0.052 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: 282 - 17,289 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit