🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.6 AU - 0.76 AU

Year: 203 Days

Day: 45 Hours

Environment

Temp: 121 °C

Axial Tilt: 12.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.96 AU - 1.02 AU

Year: 356 Days

Day: 17.3 Hours

Environment

Temp: 40 °C

Axial Tilt: 11.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 53,439,302 km

• M1: 147,803 km (0.045 R)
• M2: 196,272 km (0.106 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.73 AU - 1.99 AU

Year: 917 Days

Day: 29.7 Hours

Environment

Temp: -55 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.24 AU - 2.7 AU

Year: 1404 Days

Day: 18.2 Hours

Environment

Temp: -80 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.79 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.5

Radius: 12.1

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.66 AU - 5.54 AU

Year: 4165 Days

Day: 6.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,439,302 km

• M1: 150,795 km (0.099 R)
• M2: 658,829 km (0.096 R)
• M3: 1,076,656 km (0.047 R)
• M4: 2,413,462 km (0.054 R)
• M5: 2,795,386 km (0.107 R)
• M6: 3,855,885 km (0.12 R)
• M7: 8,881,775 km (0.049 R)
• M8: 10,309,388 km (0.119 R)
• M9: 11,790,556 km (0.116 R)
• M10: 12,557,844 km (0.104 R)
• M11: 13,358,043 km (0.063 R)
• M12: 14,839,959 km (0.045 R)
• M13: 17,083,030 km (0.095 R)
• M14: 17,940,674 km (0.104 R)
• M15: 18,698,537 km (0.082 R)
• M16: 20,755,209 km (0.091 R)
• M17: 21,170,043 km (0.065 R)
• M18: 24,460,299 km (0.077 R)
• M19: 27,825,503 km (0.033 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 745.3

Radius: 3.7

Gravity: 54.44 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 13.53 AU - 17.65 AU

Year: 22262 Days

Day: 15.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 53,439,302 km

• M1: 46,076 km (0.06 R)
• M2: 230,530 km (0.106 R)
• M3: 437,275 km (0.087 R)
• M4: 569,369 km (0.115 R)
• M5: 698,173 km (0.098 R)
• M6: 892,650 km (0.034 R)
• M7: 1,296,565 km (0.12 R)
• M8: 1,505,553 km (0.097 R)
• M9: 2,548,699 km (0.111 R)
• M10: 3,176,112 km (0.084 R)
• M11: 5,709,702 km (0.107 R)
• M12: 6,225,515 km (0.119 R)
• M13: 7,349,444 km (0.118 R)
• M14: 7,498,892 km (0.044 R)
• M15: 7,907,145 km (0.057 R)
• M16: 10,865,144 km (0.113 R)
• M17: 15,440,295 km (0.089 R)
• M18: 16,778,299 km (0.111 R)
• M19: 18,010,686 km (0.099 R)
• M20: 21,862,083 km (0.11 R)
• M21: 22,379,093 km (0.118 R)
• M22: 22,693,099 km (0.112 R)
• M23: 23,010,097 km (0.114 R)
• M24: 23,869,836 km (0.097 R)
• M25: 24,197,755 km (0.084 R)
• M26: 24,862,418 km (0.068 R)
• M27: 26,344,185 km (0.061 R)
• M28: 31,011,190 km (0.085 R)
• M29: 34,225,898 km (0.043 R)
• M30: 34,642,678 km (0.108 R)
• M31: 35,486,410 km (0.118 R)
• M32: 36,056,528 km (0.111 R)
• M33: 38,248,735 km (0.047 R)
• M34: 39,149,912 km (0.081 R)
• M35: 40,683,291 km (0.119 R)
• M36: 45,022,227 km (0.074 R)
• M37: 46,364,718 km (0.077 R)
• M38: 48,428,122 km (0.055 R)
• M39: 53,293,045 km (0.099 R)
• M40: 53,665,843 km (0.108 R)
• M41: 63,979,419 km (0.117 R)
• M42: 70,940,208 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.7

Radius: 4.7

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 13.99 AU - 23.11 AU

Year: 28894 Days

Day: 21.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,439,302 km

• M1: 293,960 km (0.113 R)
• M2: 531,970 km (0.078 R)
• M3: 1,648,718 km (0.087 R)
• M4: 1,824,047 km (0.119 R)
• M5: 2,366,788 km (0.067 R)
• M6: 3,398,564 km (0.077 R)
• M7: 3,710,626 km (0.037 R)
• M8: 6,262,017 km (0.055 R)
• M9: 6,611,627 km (0.076 R)
• M10: 7,265,221 km (0.092 R)
• M11: 8,747,287 km (0.047 R)
• M12: 9,788,937 km (0.098 R)
• M13: 10,745,316 km (0.089 R)
• M14: 11,189,771 km (0.076 R)
• M15: 12,596,889 km (0.108 R)
• M16: 15,127,935 km (0.034 R)
• M17: 15,756,695 km (0.068 R)
• M18: 17,901,330 km (0.118 R)
• M19: 24,523,579 km (0.038 R)

Kuiper Belt

Range: 30.3 - 56.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 14,675 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit