🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.89 AU - 1.15 AU

Year: 373 Days

Day: 39.4 Hours

Environment

Temp: 41 °C

Axial Tilt: 24.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.01 AU - 1.43 AU

Year: 487 Days

Day: 41.8 Hours

Environment

Temp: 2 °C

Axial Tilt: 25.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.11 AU - 3.07 AU

Year: 1507 Days

Day: 30.3 Hours

Environment

Temp: -89 °C

Axial Tilt: 24 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.71 AU - 2.73 AU

Year: 1622 Days

Day: 44.1 Hours

Environment

Temp: -82 °C

Axial Tilt: 16.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 99,390,213 km

• M1: 23,337 km (0.083 R)
• M2: 797,506 km (0.054 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.07 AU - 3.35 AU

Year: 2080 Days

Day: 46.9 Hours

Environment

Temp: -102 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.3

Radius: 10.5

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 4.55 AU - 7.29 AU

Year: 5209 Days

Day: 12.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 99,390,213 km

• M1: 131,347 km (0.113 R)
• M2: 507,286 km (0.115 R)
• M3: 947,104 km (0.118 R)
• M4: 1,879,099 km (0.112 R)
• M5: 2,230,803 km (0.038 R)
• M6: 2,958,597 km (0.098 R)
• M7: 4,128,303 km (0.096 R)
• M8: 4,754,669 km (0.115 R)
• M9: 5,333,164 km (0.088 R)
• M10: 5,840,899 km (0.091 R)
• M11: 6,599,360 km (0.083 R)
• M12: 7,664,348 km (0.092 R)
• M13: 8,535,606 km (0.111 R)
• M14: 9,922,827 km (0.083 R)
• M15: 11,363,305 km (0.111 R)
• M16: 13,189,296 km (0.047 R)
• M17: 14,013,880 km (0.091 R)
• M18: 17,475,126 km (0.054 R)
• M19: 18,029,984 km (0.104 R)
• M20: 18,787,847 km (0.118 R)
• M21: 20,913,184 km (0.048 R)
• M22: 21,679,424 km (0.116 R)
• M23: 23,639,456 km (0.116 R)
• M24: 25,165,503 km (0.109 R)
• M25: 27,000,471 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.4

Radius: 13.9

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 9.1 AU - 11.06 AU

Year: 11574 Days

Day: 14 Hours

Environment

Temp: -177 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 99,390,213 km

• M1: 174,282 km (0.119 R)
• M2: 876,943 km (0.057 R)
• M3: 1,363,435 km (0.054 R)
• M4: 2,315,775 km (0.049 R)
• M5: 3,065,111 km (0.077 R)
• M6: 4,284,184 km (0.09 R)
• M7: 6,210,556 km (0.087 R)
• M8: 7,078,822 km (0.088 R)
• M9: 10,467,363 km (0.12 R)
• M10: 11,857,726 km (0.104 R)
• M11: 12,292,457 km (0.061 R)
• M12: 13,898,689 km (0.068 R)
• M13: 14,814,827 km (0.117 R)
• M14: 15,576,429 km (0.057 R)
• M15: 18,376,902 km (0.09 R)
• M16: 26,678,835 km (0.041 R)
• M17: 27,332,877 km (0.112 R)
• M18: 33,818,543 km (0.071 R)
• M19: 35,362,693 km (0.114 R)
• M20: 37,416,522 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 707.2

Radius: 6.7

Gravity: 15.75 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 17.58 AU - 19.94 AU

Year: 29386 Days

Day: 24.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 86.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 99,390,213 km

• M1: 83,326 km (0.117 R)
• M2: 327,619 km (0.079 R)
• M3: 1,672,504 km (0.1 R)
• M4: 2,382,196 km (0.113 R)
• M5: 4,021,041 km (0.09 R)
• M6: 7,129,984 km (0.065 R)
• M7: 8,145,305 km (0.041 R)
• M8: 8,370,898 km (0.09 R)
• M9: 10,327,938 km (0.093 R)
• M10: 10,793,636 km (0.089 R)
• M11: 11,412,672 km (0.078 R)
• M12: 12,128,049 km (0.074 R)
• M13: 20,066,909 km (0.119 R)
• M14: 21,748,838 km (0.087 R)
• M15: 24,328,204 km (0.079 R)
• M16: 27,104,441 km (0.12 R)
• M17: 28,763,631 km (0.072 R)
• M18: 29,551,713 km (0.102 R)
• M19: 32,282,921 km (0.085 R)
• M20: 33,854,447 km (0.109 R)
• M21: 38,241,105 km (0.076 R)
• M22: 41,811,109 km (0.114 R)
• M23: 61,935,164 km (0.088 R)
• M24: 64,803,105 km (0.035 R)
• M25: 66,839,581 km (0.08 R)
• M26: 71,517,057 km (0.108 R)
• M27: 80,996,626 km (0.051 R)
• M28: 87,395,674 km (0.052 R)
• M29: 87,943,651 km (0.085 R)
• M30: 95,857,828 km (0.114 R)
• M31: 96,440,661 km (0.115 R)

Kuiper Belt

Range: 30.3 - 53.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 16,477 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit