🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.49 AU - 0.53 AU

Year: 235 Days

Day: 16.7 Hours

Environment

Temp: -120 °C

Axial Tilt: 10 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.2

Radius: 13.8

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.08 AU - 1.12 AU

Year: 745 Days

Day: 7.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,763,996 km

• M1: 171,589 km (0.104 R)
• M2: 789,578 km (0.077 R)
• M3: 1,249,741 km (0.093 R)
• M4: 2,257,432 km (0.093 R)
• M5: 2,700,690 km (0.116 R)
• M6: 3,436,861 km (0.071 R)
• M7: 3,882,214 km (0.1 R)
• M8: 4,574,254 km (0.101 R)
• M9: 5,168,457 km (0.064 R)
• M10: 5,891,015 km (0.084 R)
• M11: 6,491,949 km (0.118 R)
• M12: 7,469,870 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843

Radius: 9.3

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.98 AU - 1.34 AU

Year: 807 Days

Day: 13.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,763,996 km

• M1: 116,238 km (0.115 R)
• M2: 411,843 km (0.065 R)
• M3: 704,008 km (0.084 R)
• M4: 1,130,960 km (0.089 R)
• M5: 1,447,808 km (0.093 R)
• M6: 1,752,838 km (0.091 R)
• M7: 2,051,585 km (0.063 R)
• M8: 2,634,419 km (0.111 R)
• M9: 2,927,032 km (0.102 R)
• M10: 3,726,034 km (0.105 R)
• M11: 4,128,602 km (0.086 R)
• M12: 4,822,437 km (0.111 R)
• M13: 6,120,797 km (0.039 R)
• M14: 7,114,875 km (0.098 R)
• M15: 8,445,548 km (0.039 R)
• M16: 9,169,901 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.6

Radius: 11

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.28 AU - 1.78 AU

Year: 1222 Days

Day: 7 Hours

Environment

Temp: -188 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,763,996 km

• M1: 136,882 km (0.098 R)
• M2: 599,139 km (0.101 R)
• M3: 1,005,746 km (0.058 R)
• M4: 1,438,533 km (0.094 R)
• M5: 1,928,317 km (0.085 R)
• M6: 3,023,822 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 733.5

Radius: 7.9

Gravity: 11.75 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 8.39 AU - 8.47 AU

Year: 15804 Days

Day: 22.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 51,763,996 km

• M1: 120,127 km (0.107 R)
• M2: 385,963 km (0.095 R)
• M3: 835,055 km (0.06 R)
• M4: 1,525,599 km (0.026 R)
• M5: 2,020,469 km (0.042 R)
• M6: 2,337,018 km (0.053 R)
• M7: 2,779,080 km (0.101 R)
• M8: 3,686,391 km (0.083 R)
• M9: 4,544,335 km (0.083 R)
• M10: 4,812,414 km (0.108 R)
• M11: 5,126,569 km (0.095 R)
• M12: 5,796,170 km (0.09 R)
• M13: 7,445,486 km (0.096 R)
• M14: 8,603,523 km (0.055 R)
• M15: 9,278,808 km (0.04 R)
• M16: 10,793,636 km (0.1 R)
• M17: 12,272,561 km (0.117 R)
• M18: 12,662,413 km (0.096 R)
• M19: 16,008,319 km (0.104 R)
• M20: 18,008,292 km (0.064 R)
• M21: 18,767,352 km (0.074 R)
• M22: 20,349,200 km (0.115 R)
• M23: 20,803,828 km (0.104 R)
• M24: 22,788,094 km (0.109 R)
• M25: 23,775,889 km (0.096 R)
• M26: 27,458,390 km (0.091 R)
• M27: 29,841,185 km (0.117 R)
• M28: 37,267,223 km (0.117 R)
• M29: 39,898,201 km (0.108 R)
• M30: 44,148,576 km (0.089 R)
• M31: 51,999,472 km (0.104 R)
• M32: 57,599,519 km (0.096 R)
• M33: 62,435,419 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 86.8

Radius: 8

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 7.47 AU - 11.51 AU

Year: 18876 Days

Day: 24.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 163.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,763,996 km

• M1: 100,829 km (0.065 R)
• M2: 429,495 km (0.082 R)
• M3: 1,417,440 km (0.087 R)
• M4: 2,111,724 km (0.119 R)
• M5: 2,464,176 km (0.042 R)
• M6: 2,934,661 km (0.06 R)
• M7: 3,553,997 km (0.11 R)
• M8: 4,601,631 km (0.107 R)
• M9: 5,590,173 km (0.106 R)
• M10: 6,267,702 km (0.102 R)
• M11: 9,533,872 km (0.099 R)
• M12: 15,324,507 km (0.116 R)
• M13: 21,991,186 km (0.112 R)
• M14: 22,304,594 km (0.115 R)
• M15: 25,692,088 km (0.105 R)
• M16: 27,917,655 km (0.073 R)
• M17: 28,193,065 km (0.071 R)
• M18: 28,842,769 km (0.113 R)
• M19: 30,656,493 km (0.107 R)
• M20: 34,933,496 km (0.1 R)
• M21: 36,662,249 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231

Radius: 4.4

Gravity: 11.93 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 8.48 AU - 10.8 AU

Year: 19326 Days

Day: 17.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,763,996 km

• M1: 57,595 km (0.034 R)
• M2: 287,078 km (0.087 R)
• M3: 995,424 km (0.072 R)
• M4: 1,655,600 km (0.1 R)
• M5: 3,290,256 km (0.107 R)
• M6: 4,080,581 km (0.097 R)
• M7: 6,635,414 km (0.096 R)
• M8: 8,846,919 km (0.063 R)
• M9: 9,184,412 km (0.089 R)
• M10: 12,558,292 km (0.087 R)
• M11: 12,923,012 km (0.054 R)
• M12: 16,894,387 km (0.103 R)
• M13: 20,005,574 km (0.12 R)
• M14: 23,204,874 km (0.041 R)
• M15: 26,828,882 km (0.099 R)
• M16: 34,814,865 km (0.119 R)
• M17: 37,126,003 km (0.088 R)
• M18: 37,625,211 km (0.074 R)
• M19: 38,002,646 km (0.111 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 18,089 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit