🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.02 AU - 1.4 AU

Year: 477 Days

Day: 31.9 Hours

Environment

Temp: 20 °C

Axial Tilt: 34.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.33 AU - 2.03 AU

Year: 780 Days

Day: 43.8 Hours

Environment

Temp: -50 °C

Axial Tilt: 2.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.91 AU - 4.61 AU

Year: 2611 Days

Day: 30.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,913,048 km

• M1: 71,508 km (0.056 R)

Asteroid Belt

Center: 4.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.8

Radius: 14.1

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.54 AU - 7.06 AU

Year: 5003 Days

Day: 9 Hours

Environment

Temp: -143 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,913,048 km

• M1: 175,478 km (0.065 R)
• M2: 701,464 km (0.034 R)
• M3: 1,418,786 km (0.111 R)
• M4: 1,936,993 km (0.048 R)
• M5: 2,428,871 km (0.028 R)
• M6: 3,223,385 km (0.106 R)
• M7: 3,716,310 km (0.107 R)
• M8: 4,460,709 km (0.063 R)
• M9: 5,777,769 km (0.12 R)
• M10: 7,448,777 km (0.03 R)
• M11: 8,046,271 km (0.072 R)
• M12: 10,212,598 km (0.104 R)
• M13: 13,167,455 km (0.067 R)
• M14: 15,309,996 km (0.091 R)
• M15: 16,402,210 km (0.119 R)
• M16: 17,287,081 km (0.105 R)
• M17: 19,014,787 km (0.068 R)
• M18: 19,499,035 km (0.039 R)
• M19: 21,818,401 km (0.102 R)
• M20: 26,396,395 km (0.071 R)
• M21: 28,864,161 km (0.081 R)
• M22: 31,578,315 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.9

Radius: 9.4

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 5.26 AU - 6.7 AU

Year: 5238 Days

Day: 12.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,913,048 km

• M1: 116,836 km (0.069 R)
• M2: 450,140 km (0.088 R)
• M3: 1,144,573 km (0.041 R)
• M4: 1,568,534 km (0.056 R)
• M5: 2,185,326 km (0.101 R)
• M6: 3,307,759 km (0.118 R)
• M7: 3,724,987 km (0.073 R)
• M8: 5,004,498 km (0.086 R)
• M9: 6,444,676 km (0.117 R)
• M10: 7,127,291 km (0.061 R)
• M11: 7,455,808 km (0.11 R)
• M12: 8,143,360 km (0.12 R)
• M13: 9,973,241 km (0.101 R)
• M14: 10,847,042 km (0.073 R)
• M15: 13,009,330 km (0.108 R)
• M16: 14,332,523 km (0.079 R)
• M17: 16,302,129 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.6

Radius: 13.7

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 9.89 AU - 11.59 AU

Year: 12606 Days

Day: 6.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,913,048 km

• M1: 217,515 km (0.108 R)
• M2: 716,723 km (0.111 R)
• M3: 1,182,571 km (0.082 R)
• M4: 1,647,970 km (0.107 R)
• M5: 2,296,327 km (0.086 R)
• M6: 3,654,526 km (0.1 R)
• M7: 4,291,813 km (0.038 R)
• M8: 5,174,590 km (0.074 R)
• M9: 7,659,710 km (0.034 R)
• M10: 8,807,724 km (0.084 R)
• M11: 9,423,170 km (0.081 R)
• M12: 9,903,529 km (0.076 R)
• M13: 12,812,459 km (0.071 R)
• M14: 14,638,451 km (0.046 R)
• M15: 16,786,826 km (0.099 R)
• M16: 24,385,650 km (0.12 R)
• M17: 25,704,355 km (0.069 R)
• M18: 28,043,617 km (0.032 R)
• M19: 33,510,671 km (0.036 R)
• M20: 38,285,237 km (0.076 R)
• M21: 39,511,640 km (0.077 R)
• M22: 50,283,734 km (0.111 R)
• M23: 57,569,449 km (0.074 R)
• M24: 60,634,261 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 361.7

Radius: 4.6

Gravity: 17.09 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 12.17 AU - 14.87 AU

Year: 17805 Days

Day: 18.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,913,048 km

• M1: 104,419 km (0.114 R)
• M2: 277,205 km (0.083 R)
• M3: 823,686 km (0.046 R)
• M4: 977,921 km (0.088 R)
• M5: 1,502,112 km (0.071 R)
• M6: 3,918,716 km (0.081 R)
• M7: 4,239,454 km (0.119 R)
• M8: 7,206,877 km (0.093 R)
• M9: 7,914,027 km (0.1 R)
• M10: 11,265,617 km (0.097 R)
• M11: 12,276,749 km (0.081 R)
• M12: 13,938,034 km (0.111 R)
• M13: 14,138,944 km (0.06 R)
• M14: 14,961,582 km (0.1 R)
• M15: 15,384,795 km (0.074 R)
• M16: 17,620,834 km (0.074 R)
• M17: 18,492,242 km (0.098 R)
• M18: 21,903,522 km (0.112 R)
• M19: 29,938,274 km (0.103 R)
• M20: 46,680,520 km (0.092 R)

Kuiper Belt

Range: 30.6 - 48.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 19,767 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit