🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.65 AU - 0.93 AU

Year: 259 Days

Day: 25.5 Hours

Environment

Temp: 91 °C

Axial Tilt: 6.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.1 AU - 1.64 AU

Year: 592 Days

Day: 30.3 Hours

Environment

Temp: -25 °C

Axial Tilt: 2.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 12.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.7

Radius: 13.9

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 10 AU - 14.36 AU

Year: 15684 Days

Day: 5.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,708,279 km

• M1: 172,935 km (0.057 R)
• M2: 642,972 km (0.052 R)
• M3: 1,155,045 km (0.075 R)
• M4: 1,617,003 km (0.052 R)
• M5: 2,615,569 km (0.077 R)
• M6: 3,487,874 km (0.059 R)
• M7: 6,901,399 km (0.099 R)
• M8: 8,174,177 km (0.032 R)
• M9: 10,539,918 km (0.084 R)
• M10: 13,197,674 km (0.11 R)
• M11: 15,520,181 km (0.096 R)
• M12: 36,860,467 km (0.115 R)
• M13: 37,394,082 km (0.029 R)
• M14: 38,068,469 km (0.079 R)
• M15: 44,657,807 km (0.067 R)
• M16: 45,722,944 km (0.092 R)
• M17: 50,644,714 km (0.06 R)
• M18: 52,472,800 km (0.059 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 194.2

Radius: 5.9

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 11.18 AU - 13.28 AU

Year: 15780 Days

Day: 24.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,708,279 km

• M1: 89,908 km (0.083 R)
• M2: 301,739 km (0.046 R)
• M3: 788,231 km (0.051 R)
• M4: 998,715 km (0.045 R)
• M5: 1,618,499 km (0.099 R)
• M6: 1,963,472 km (0.032 R)
• M7: 2,504,867 km (0.051 R)
• M8: 3,275,445 km (0.12 R)
• M9: 3,484,583 km (0.057 R)
• M10: 4,904,117 km (0.097 R)
• M11: 5,147,663 km (0.114 R)
• M12: 5,758,620 km (0.062 R)
• M13: 6,561,363 km (0.054 R)
• M14: 9,093,755 km (0.111 R)
• M15: 12,490,525 km (0.092 R)
• M16: 13,768,090 km (0.109 R)
• M17: 14,009,541 km (0.11 R)
• M18: 17,338,842 km (0.1 R)
• M19: 19,449,369 km (0.067 R)
• M20: 19,753,202 km (0.108 R)
• M21: 26,332,068 km (0.108 R)
• M22: 28,324,262 km (0.053 R)
• M23: 29,208,087 km (0.076 R)
• M24: 29,407,052 km (0.101 R)
• M25: 30,414,893 km (0.061 R)
• M26: 31,341,651 km (0.028 R)
• M27: 39,442,975 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 509

Radius: 5.8

Gravity: 15.13 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 12.06 AU - 15.26 AU

Year: 18627 Days

Day: 16 Hours

Environment

Temp: -199 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 59,708,279 km

• M1: 72,256 km (0.089 R)
• M2: 326,273 km (0.114 R)
• M3: 1,049,579 km (0.08 R)
• M4: 1,239,418 km (0.12 R)
• M5: 5,112,208 km (0.071 R)
• M6: 5,626,825 km (0.075 R)
• M7: 6,215,941 km (0.119 R)
• M8: 7,562,322 km (0.057 R)
• M9: 8,527,677 km (0.077 R)
• M10: 9,902,033 km (0.064 R)
• M11: 12,230,972 km (0.113 R)
• M12: 12,882,172 km (0.067 R)
• M13: 15,493,552 km (0.116 R)
• M14: 15,871,436 km (0.104 R)
• M15: 21,360,332 km (0.097 R)
• M16: 23,077,865 km (0.109 R)
• M17: 24,070,746 km (0.094 R)
• M18: 26,569,330 km (0.098 R)
• M19: 27,439,241 km (0.073 R)
• M20: 34,194,184 km (0.034 R)
• M21: 34,834,762 km (0.104 R)
• M22: 39,544,701 km (0.118 R)
• M23: 40,820,921 km (0.084 R)
• M24: 58,341,225 km (0.119 R)
• M25: 58,705,795 km (0.103 R)
• M26: 59,439,423 km (0.11 R)
• M27: 61,866,050 km (0.09 R)
• M28: 62,435,270 km (0.09 R)
• M29: 63,584,331 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 320.5

Radius: 4.7

Gravity: 14.51 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 12.73 AU - 18.21 AU

Year: 22450 Days

Day: 17.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,708,279 km

• M1: 63,878 km (0.114 R)
• M2: 576,101 km (0.111 R)
• M3: 1,258,118 km (0.037 R)
• M4: 2,031,838 km (0.062 R)
• M5: 3,132,579 km (0.1 R)
• M6: 3,927,393 km (0.111 R)
• M7: 7,789,561 km (0.119 R)
• M8: 9,021,051 km (0.081 R)
• M9: 10,955,351 km (0.087 R)
• M10: 13,083,231 km (0.083 R)
• M11: 16,072,795 km (0.094 R)
• M12: 19,836,678 km (0.109 R)
• M13: 20,907,200 km (0.056 R)
• M14: 35,332,324 km (0.101 R)
• M15: 35,720,381 km (0.117 R)
• M16: 36,373,525 km (0.106 R)
• M17: 38,790,728 km (0.096 R)
• M18: 41,170,082 km (0.119 R)
• M19: 46,992,282 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 555.1

Radius: 6.8

Gravity: 12 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 15.83 AU - 16.05 AU

Year: 23481 Days

Day: 15.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,708,279 km

• M1: 85,271 km (0.117 R)
• M2: 1,671,607 km (0.081 R)
• M3: 2,892,924 km (0.044 R)
• M4: 3,951,029 km (0.084 R)
• M5: 4,798,651 km (0.087 R)
• M6: 5,019,009 km (0.114 R)
• M7: 5,323,440 km (0.117 R)
• M8: 6,802,365 km (0.064 R)
• M9: 7,710,723 km (0.026 R)
• M10: 8,220,104 km (0.093 R)
• M11: 9,824,541 km (0.083 R)
• M12: 10,669,320 km (0.111 R)
• M13: 15,155,311 km (0.103 R)
• M14: 17,033,812 km (0.118 R)
• M15: 17,289,624 km (0.1 R)
• M16: 17,809,327 km (0.109 R)
• M17: 20,952,229 km (0.083 R)
• M18: 23,067,692 km (0.03 R)
• M19: 24,990,923 km (0.093 R)
• M20: 32,431,622 km (0.108 R)
• M21: 41,995,114 km (0.099 R)
• M22: 45,339,973 km (0.076 R)
• M23: 49,722,143 km (0.09 R)
• M24: 54,194,073 km (0.075 R)
• M25: 57,192,612 km (0.064 R)
• M26: 57,959,152 km (0.113 R)
• M27: 58,732,423 km (0.045 R)
• M28: 68,988,105 km (0.093 R)
• M29: 74,992,665 km (0.096 R)
• M30: 76,141,576 km (0.108 R)
• M31: 78,946,536 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.6

Radius: 3.1

Gravity: 16.82 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 14.57 AU - 21.81 AU

Year: 28624 Days

Day: 17 Hours

Environment

Temp: -195 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,708,279 km

• M1: 46,076 km (0.095 R)
• M2: 1,434,494 km (0.108 R)
• M3: 4,151,042 km (0.117 R)
• M4: 5,884,582 km (0.09 R)
• M5: 8,525,732 km (0.057 R)
• M6: 9,278,658 km (0.095 R)
• M7: 9,486,749 km (0.073 R)
• M8: 14,746,610 km (0.067 R)
• M9: 18,635,556 km (0.069 R)
• M10: 20,769,570 km (0.118 R)
• M11: 28,463,987 km (0.107 R)
• M12: 29,346,465 km (0.064 R)
• M13: 38,523,845 km (0.116 R)
• M14: 41,398,817 km (0.09 R)
• M15: 44,266,758 km (0.052 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 13,819 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit