🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.41 AU - 1.75 AU

Year: 886 Days

Day: 44.2 Hours

Environment

Temp: -102 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.29 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.8

Radius: 8.3

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.38 AU - 3.6 AU

Year: 2307 Days

Day: 11.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,421,439 km

• M1: 104,868 km (0.082 R)
• M2: 449,841 km (0.067 R)
• M3: 862,432 km (0.029 R)
• M4: 1,209,349 km (0.07 R)
• M5: 2,085,394 km (0.1 R)
• M6: 2,363,048 km (0.094 R)
• M7: 2,665,385 km (0.053 R)
• M8: 3,038,333 km (0.094 R)
• M9: 3,612,190 km (0.112 R)
• M10: 4,275,208 km (0.059 R)
• M11: 5,038,157 km (0.038 R)
• M12: 5,319,102 km (0.082 R)
• M13: 5,656,146 km (0.09 R)
• M14: 6,152,212 km (0.078 R)
• M15: 7,589,100 km (0.069 R)
• M16: 7,872,588 km (0.09 R)
• M17: 8,192,578 km (0.048 R)
• M18: 8,983,801 km (0.051 R)
• M19: 9,398,037 km (0.118 R)
• M20: 10,093,967 km (0.082 R)
• M21: 11,038,827 km (0.091 R)
• M22: 13,388,561 km (0.113 R)
• M23: 14,441,430 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.7

Radius: 13.4

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.15 AU - 4.89 AU

Year: 3597 Days

Day: 9.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,421,439 km

• M1: 166,802 km (0.071 R)
• M2: 643,271 km (0.036 R)
• M3: 1,453,044 km (0.101 R)
• M4: 1,968,110 km (0.098 R)
• M5: 2,737,940 km (0.1 R)
• M6: 4,777,558 km (0.062 R)
• M7: 5,764,455 km (0.116 R)
• M8: 6,382,593 km (0.119 R)
• M9: 7,342,263 km (0.109 R)
• M10: 8,105,512 km (0.065 R)
• M11: 9,036,459 km (0.069 R)
• M12: 10,037,419 km (0.111 R)
• M13: 14,418,692 km (0.078 R)
• M14: 14,900,846 km (0.104 R)
• M15: 15,449,271 km (0.088 R)
• M16: 16,297,042 km (0.073 R)
• M17: 17,717,773 km (0.075 R)
• M18: 20,266,921 km (0.046 R)
• M19: 21,077,143 km (0.072 R)
• M20: 21,838,746 km (0.108 R)
• M21: 23,051,685 km (0.074 R)
• M22: 23,860,262 km (0.12 R)
• M23: 24,993,167 km (0.089 R)
• M24: 27,284,707 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.7

Radius: 8.8

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.48 AU - 4.92 AU

Year: 3841 Days

Day: 11.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,421,439 km

• M1: 119,230 km (0.095 R)
• M2: 608,863 km (0.115 R)
• M3: 1,077,553 km (0.03 R)
• M4: 1,680,433 km (0.078 R)
• M5: 2,322,208 km (0.073 R)
• M6: 3,087,251 km (0.086 R)
• M7: 4,743,300 km (0.059 R)
• M8: 5,042,645 km (0.086 R)
• M9: 5,331,818 km (0.034 R)
• M10: 10,896,111 km (0.058 R)
• M11: 12,235,011 km (0.093 R)
• M12: 15,421,297 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.1

Radius: 8.1

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 5.56 AU - 7.72 AU

Year: 7635 Days

Day: 11.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 132.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,421,439 km

• M1: 104,719 km (0.079 R)
• M2: 388,356 km (0.106 R)
• M3: 1,382,284 km (0.064 R)
• M4: 3,935,471 km (0.104 R)
• M5: 5,274,522 km (0.064 R)
• M6: 7,075,082 km (0.096 R)
• M7: 7,479,146 km (0.108 R)
• M8: 10,313,427 km (0.064 R)
• M9: 10,914,810 km (0.112 R)
• M10: 11,968,727 km (0.092 R)
• M11: 12,319,983 km (0.108 R)
• M12: 20,558,637 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.7

Radius: 13.6

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.76 AU - 7.66 AU

Year: 7756 Days

Day: 13.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,421,439 km

• M1: 169,644 km (0.099 R)
• M2: 613,800 km (0.109 R)
• M3: 1,090,120 km (0.082 R)
• M4: 1,538,614 km (0.076 R)
• M5: 2,319,216 km (0.072 R)
• M6: 2,964,132 km (0.113 R)
• M7: 4,915,038 km (0.099 R)
• M8: 5,954,294 km (0.096 R)
• M9: 7,800,332 km (0.101 R)
• M10: 9,823,195 km (0.057 R)
• M11: 10,553,831 km (0.054 R)
• M12: 10,980,484 km (0.11 R)
• M13: 11,617,322 km (0.089 R)
• M14: 12,278,544 km (0.091 R)
• M15: 13,235,522 km (0.101 R)
• M16: 13,788,286 km (0.092 R)
• M17: 15,722,886 km (0.095 R)
• M18: 19,199,241 km (0.112 R)
• M19: 20,782,286 km (0.032 R)
• M20: 21,303,934 km (0.071 R)
• M21: 23,079,212 km (0.056 R)
• M22: 27,811,441 km (0.113 R)
• M23: 31,759,329 km (0.052 R)
• M24: 33,053,201 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.7

Radius: 5.3

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 9.95 AU - 10.95 AU

Year: 15074 Days

Day: 15.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,421,439 km

• M1: 65,973 km (0.093 R)
• M2: 273,166 km (0.097 R)
• M3: 749,635 km (0.09 R)
• M4: 1,006,046 km (0.077 R)
• M5: 1,392,158 km (0.109 R)
• M6: 3,724,389 km (0.066 R)
• M7: 3,997,405 km (0.078 R)
• M8: 4,230,628 km (0.088 R)
• M9: 4,528,028 km (0.071 R)
• M10: 5,891,912 km (0.11 R)
• M11: 11,380,508 km (0.1 R)
• M12: 12,223,492 km (0.084 R)
• M13: 12,994,520 km (0.116 R)
• M14: 16,470,576 km (0.098 R)
• M15: 16,936,125 km (0.063 R)
• M16: 18,243,760 km (0.081 R)
• M17: 20,981,101 km (0.096 R)
• M18: 24,149,883 km (0.046 R)
• M19: 29,820,989 km (0.1 R)
• M20: 34,021,847 km (0.073 R)
• M21: 34,559,801 km (0.089 R)
• M22: 35,103,290 km (0.079 R)
• M23: 39,303,549 km (0.102 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: 308 - 19,102 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit