🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.14 AU - 1.62 AU

Year: 624 Days

Day: 37.4 Hours

Environment

Temp: -39 °C

Axial Tilt: 48.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.54 AU - 1.58 AU

Year: 750 Days

Day: 21.6 Hours

Environment

Temp: -62 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.42 AU - 2.16 AU

Year: 922 Days

Day: 18.9 Hours

Environment

Temp: -74 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.54 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 11.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.9

Radius: 11.8

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 10.59 AU - 11.99 AU

Year: 14605 Days

Day: 5.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 89,376,471 km

• M1: 146,756 km (0.05 R)
• M2: 615,446 km (0.115 R)
• M3: 1,340,247 km (0.026 R)
• M4: 1,835,566 km (0.119 R)
• M5: 2,535,385 km (0.096 R)
• M6: 4,624,669 km (0.095 R)
• M7: 5,055,510 km (0.108 R)
• M8: 6,075,768 km (0.063 R)
• M9: 6,842,906 km (0.094 R)
• M10: 7,764,877 km (0.037 R)
• M11: 9,694,391 km (0.091 R)
• M12: 13,995,180 km (0.104 R)
• M13: 19,255,640 km (0.062 R)
• M14: 19,853,582 km (0.113 R)
• M15: 20,907,649 km (0.079 R)
• M16: 21,906,065 km (0.035 R)
• M17: 24,096,327 km (0.094 R)
• M18: 28,137,714 km (0.106 R)
• M19: 29,019,294 km (0.066 R)
• M20: 29,805,730 km (0.092 R)
• M21: 32,011,850 km (0.116 R)
• M22: 35,841,555 km (0.079 R)
• M23: 48,358,409 km (0.094 R)
• M24: 54,053,451 km (0.11 R)
• M25: 54,561,485 km (0.058 R)
• M26: 55,759,315 km (0.105 R)
• M27: 60,726,114 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 592.6

Radius: 6.2

Gravity: 15.42 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 10.7 AU - 13.86 AU

Year: 16568 Days

Day: 23.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 89,376,471 km

• M1: 79,885 km (0.078 R)
• M2: 425,307 km (0.088 R)
• M3: 729,738 km (0.06 R)
• M4: 1,265,748 km (0.109 R)
• M5: 1,998,328 km (0.072 R)
• M6: 2,815,582 km (0.084 R)
• M7: 3,082,015 km (0.068 R)
• M8: 3,526,770 km (0.103 R)
• M9: 3,924,551 km (0.099 R)
• M10: 4,775,463 km (0.101 R)
• M11: 5,407,514 km (0.093 R)
• M12: 5,858,701 km (0.106 R)
• M13: 7,229,467 km (0.026 R)
• M14: 9,109,912 km (0.111 R)
• M15: 12,030,661 km (0.109 R)
• M16: 12,603,920 km (0.046 R)
• M17: 12,798,995 km (0.05 R)
• M18: 13,328,871 km (0.111 R)
• M19: 14,574,872 km (0.064 R)
• M20: 15,896,569 km (0.076 R)
• M21: 16,586,365 km (0.05 R)
• M22: 17,456,576 km (0.118 R)
• M23: 17,780,455 km (0.08 R)
• M24: 19,459,990 km (0.04 R)
• M25: 20,427,440 km (0.082 R)
• M26: 23,034,332 km (0.104 R)
• M27: 23,620,457 km (0.036 R)
• M28: 24,016,741 km (0.12 R)
• M29: 24,619,322 km (0.091 R)
• M30: 29,123,414 km (0.092 R)
• M31: 32,534,994 km (0.041 R)
• M32: 33,520,993 km (0.116 R)
• M33: 34,021,398 km (0.096 R)
• M34: 35,811,935 km (0.047 R)
• M35: 36,995,703 km (0.09 R)
• M36: 37,664,555 km (0.079 R)
• M37: 43,160,482 km (0.059 R)
• M38: 44,651,075 km (0.104 R)
• M39: 46,330,161 km (0.075 R)
• M40: 49,489,818 km (0.103 R)
• M41: 55,359,889 km (0.1 R)
• M42: 63,757,715 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 444.9

Radius: 6.4

Gravity: 10.86 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 9.75 AU - 16.09 AU

Year: 17880 Days

Day: 17.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 142.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 89,376,471 km

• M1: 82,877 km (0.084 R)
• M2: 306,975 km (0.104 R)
• M3: 3,073,787 km (0.077 R)
• M4: 3,988,130 km (0.112 R)
• M5: 4,227,337 km (0.068 R)
• M6: 4,935,084 km (0.035 R)
• M7: 5,211,242 km (0.098 R)
• M8: 5,570,726 km (0.102 R)
• M9: 6,062,903 km (0.08 R)
• M10: 6,379,751 km (0.09 R)
• M11: 6,960,939 km (0.063 R)
• M12: 10,074,818 km (0.109 R)
• M13: 17,557,554 km (0.108 R)
• M14: 18,201,872 km (0.112 R)
• M15: 18,695,246 km (0.108 R)
• M16: 20,316,887 km (0.025 R)
• M17: 23,837,224 km (0.088 R)
• M18: 25,535,908 km (0.05 R)
• M19: 25,740,857 km (0.113 R)
• M20: 26,050,524 km (0.064 R)
• M21: 28,178,255 km (0.112 R)
• M22: 31,347,785 km (0.092 R)
• M23: 33,875,391 km (0.113 R)
• M24: 37,188,983 km (0.108 R)
• M25: 39,195,689 km (0.029 R)
• M26: 40,433,761 km (0.068 R)
• M27: 44,304,008 km (0.099 R)
• M28: 45,196,509 km (0.085 R)
• M29: 46,252,670 km (0.081 R)
• M30: 49,998,900 km (0.089 R)
• M31: 52,110,174 km (0.083 R)
• M32: 52,771,546 km (0.098 R)
• M33: 53,271,203 km (0.091 R)
• M34: 59,516,316 km (0.105 R)
• M35: 60,602,397 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.7

Radius: 4.9

Gravity: 20.06 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 14.58 AU - 22.2 AU

Year: 30363 Days

Day: 22.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,376,471 km

• M1: 71,508 km (0.1 R)
• M2: 368,460 km (0.098 R)
• M3: 936,333 km (0.098 R)
• M4: 4,368,557 km (0.083 R)
• M5: 5,863,339 km (0.06 R)
• M6: 6,773,193 km (0.032 R)
• M7: 7,617,374 km (0.112 R)
• M8: 9,274,918 km (0.103 R)
• M9: 15,495,497 km (0.115 R)
• M10: 16,428,090 km (0.107 R)
• M11: 29,657,778 km (0.106 R)
• M12: 36,400,603 km (0.093 R)
• M13: 36,992,412 km (0.051 R)
• M14: 40,519,481 km (0.086 R)
• M15: 47,001,407 km (0.055 R)
• M16: 50,212,974 km (0.12 R)
• M17: 55,105,722 km (0.095 R)
• M18: 56,475,141 km (0.087 R)
• M19: 81,324,993 km (0.061 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: 540 - 18,358 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit