🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.4 AU - 0.6 AU

Year: 123 Days

Day: 46.3 Hours

Environment

Temp: 260 °C

Axial Tilt: 19.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.51 AU - 0.63 AU

Year: 150 Days

Day: 27.7 Hours

Environment

Temp: 196 °C

Axial Tilt: 44.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.64 AU - 1.04 AU

Year: 268 Days

Day: 28.1 Hours

Environment

Temp: 156 °C

Axial Tilt: 24.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.95 AU - 1.45 AU

Year: 458 Days

Day: 45 Hours

Environment

Temp: 33 °C

Axial Tilt: 24.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 1.91 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.27 AU - 2.95 AU

Year: 1468 Days

Day: 13.9 Hours

Environment

Temp: -74 °C

Axial Tilt: 12.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.5

Radius: 13.7

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 6.66 AU - 6.72 AU

Year: 6026 Days

Day: 13.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 93,457,826 km

• M1: 181,163 km (0.09 R)
• M2: 662,868 km (0.056 R)
• M3: 1,182,122 km (0.105 R)
• M4: 1,722,470 km (0.106 R)
• M5: 3,006,468 km (0.083 R)
• M6: 3,607,702 km (0.099 R)
• M7: 5,561,600 km (0.061 R)
• M8: 8,801,591 km (0.093 R)
• M9: 9,362,433 km (0.118 R)
• M10: 10,225,164 km (0.071 R)
• M11: 10,651,967 km (0.117 R)
• M12: 12,533,459 km (0.093 R)
• M13: 15,048,648 km (0.077 R)
• M14: 15,852,138 km (0.093 R)
• M15: 20,454,816 km (0.103 R)
• M16: 23,590,537 km (0.089 R)
• M17: 25,618,635 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.7

Radius: 9

Gravity: 9.47 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 7.52 AU - 9.92 AU

Year: 8967 Days

Day: 12.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 93,457,826 km

• M1: 127,757 km (0.047 R)
• M2: 481,256 km (0.101 R)
• M3: 980,913 km (0.04 R)
• M4: 1,333,665 km (0.069 R)
• M5: 2,194,900 km (0.101 R)
• M6: 2,978,942 km (0.104 R)
• M7: 3,556,839 km (0.103 R)
• M8: 3,991,271 km (0.101 R)
• M9: 4,432,136 km (0.058 R)
• M10: 4,783,841 km (0.077 R)
• M11: 5,510,288 km (0.084 R)
• M12: 5,952,499 km (0.057 R)
• M13: 6,236,137 km (0.047 R)
• M14: 7,301,274 km (0.117 R)
• M15: 8,263,188 km (0.116 R)
• M16: 11,329,346 km (0.033 R)
• M17: 11,766,321 km (0.045 R)
• M18: 12,101,421 km (0.114 R)
• M19: 14,122,189 km (0.089 R)
• M20: 16,635,882 km (0.119 R)
• M21: 18,744,464 km (0.096 R)
• M22: 24,829,656 km (0.11 R)
• M23: 25,754,021 km (0.051 R)
• M24: 31,896,809 km (0.092 R)
• M25: 33,544,331 km (0.107 R)
• M26: 34,105,921 km (0.055 R)
• M27: 35,132,611 km (0.1 R)
• M28: 38,703,512 km (0.106 R)
• M29: 42,509,282 km (0.105 R)
• M30: 44,233,248 km (0.089 R)
• M31: 45,316,935 km (0.112 R)
• M32: 45,727,880 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.1

Radius: 12.1

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 6.98 AU - 10.86 AU

Year: 9278 Days

Day: 9.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 93,457,826 km

• M1: 150,495 km (0.091 R)
• M2: 1,114,803 km (0.049 R)
• M3: 1,762,712 km (0.049 R)
• M4: 2,466,270 km (0.118 R)
• M5: 2,924,339 km (0.08 R)
• M6: 3,695,067 km (0.101 R)
• M7: 4,167,647 km (0.105 R)
• M8: 5,671,554 km (0.11 R)
• M9: 6,337,415 km (0.092 R)
• M10: 6,834,080 km (0.094 R)
• M11: 7,746,028 km (0.054 R)
• M12: 9,308,728 km (0.059 R)
• M13: 10,140,791 km (0.103 R)
• M14: 11,794,446 km (0.057 R)
• M15: 17,005,987 km (0.104 R)
• M16: 17,551,121 km (0.092 R)
• M17: 19,699,945 km (0.066 R)
• M18: 20,837,787 km (0.103 R)
• M19: 23,161,042 km (0.059 R)
• M20: 25,035,054 km (0.072 R)
• M21: 26,098,994 km (0.085 R)
• M22: 26,916,397 km (0.115 R)
• M23: 29,276,752 km (0.1 R)
• M24: 31,363,493 km (0.07 R)
• M25: 35,720,381 km (0.115 R)
• M26: 37,985,293 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 37.2

Radius: 5.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 14.37 AU - 20.47 AU

Year: 25320 Days

Day: 21.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 93,457,826 km

• M1: 68,366 km (0.08 R)
• M2: 245,640 km (0.097 R)
• M3: 563,236 km (0.085 R)
• M4: 1,450,351 km (0.118 R)
• M5: 3,955,218 km (0.115 R)
• M6: 13,539,954 km (0.073 R)
• M7: 14,840,857 km (0.075 R)
• M8: 16,723,396 km (0.029 R)
• M9: 29,655,983 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 765.3

Radius: 5.1

Gravity: 29.42 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 17.27 AU - 17.97 AU

Year: 25757 Days

Day: 21.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 93,457,826 km

• M1: 63,429 km (0.1 R)
• M2: 1,260,063 km (0.082 R)
• M3: 2,069,986 km (0.091 R)
• M4: 5,027,984 km (0.055 R)
• M5: 5,603,487 km (0.074 R)
• M6: 6,835,576 km (0.098 R)
• M7: 7,132,228 km (0.097 R)
• M8: 10,263,461 km (0.11 R)
• M9: 12,379,523 km (0.063 R)
• M10: 12,894,738 km (0.085 R)
• M11: 17,818,602 km (0.12 R)
• M12: 19,147,331 km (0.099 R)
• M13: 22,321,947 km (0.119 R)
• M14: 25,124,514 km (0.076 R)
• M15: 29,819,942 km (0.077 R)
• M16: 31,146,277 km (0.117 R)
• M17: 33,773,514 km (0.107 R)
• M18: 37,603,070 km (0.081 R)
• M19: 40,738,492 km (0.104 R)
• M20: 42,535,163 km (0.093 R)
• M21: 47,167,610 km (0.103 R)
• M22: 54,631,646 km (0.119 R)
• M23: 55,024,191 km (0.053 R)
• M24: 59,260,504 km (0.066 R)
• M25: 67,244,243 km (0.07 R)
• M26: 67,469,388 km (0.032 R)
• M27: 68,602,891 km (0.117 R)
• M28: 76,403,971 km (0.087 R)
• M29: 79,632,742 km (0.111 R)
• M30: 79,884,814 km (0.098 R)
• M31: 83,210,375 km (0.057 R)
• M32: 87,160,656 km (0.032 R)

Kuiper Belt

Range: 31.5 - 60.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 11,021 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit