🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.64 AU - 0.9 AU

Year: 246 Days

Day: 12.2 Hours

Environment

Temp: 131 °C

Axial Tilt: 22.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.15 AU - 1.43 AU

Year: 532 Days

Day: 45.2 Hours

Environment

Temp: -13 °C

Axial Tilt: 1.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.7 AU - 1.98 AU

Year: 907 Days

Day: 43.9 Hours

Environment

Temp: -62 °C

Axial Tilt: 12 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,058,264 km

• M1: 61,784 km (0.059 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.89 AU - 3.83 AU

Year: 2238 Days

Day: 42.2 Hours

Environment

Temp: -104 °C

Axial Tilt: 44.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.83 AU - 4.05 AU

Year: 2842 Days

Day: 12.9 Hours

Environment

Temp: -122 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.8

Radius: 14.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 6.61 AU - 8.11 AU

Year: 7257 Days

Day: 8.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 35,058,264 km

• M1: 178,620 km (0.091 R)
• M2: 385,364 km (0.107 R)
• M3: 676,930 km (0.11 R)
• M4: 810,671 km (0.065 R)
• M5: 917,633 km (0.089 R)
• M6: 1,055,712 km (0.116 R)
• M7: 1,161,029 km (0.117 R)
• M8: 1,544,448 km (0.117 R)
• M9: 2,017,028 km (0.033 R)
• M10: 2,167,673 km (0.059 R)
• M11: 2,374,717 km (0.113 R)
• M12: 2,624,545 km (0.092 R)
• M13: 2,789,851 km (0.092 R)
• M14: 3,248,069 km (0.119 R)
• M15: 3,566,862 km (0.099 R)
• M16: 3,709,578 km (0.097 R)
• M17: 3,979,902 km (0.042 R)
• M18: 4,343,125 km (0.083 R)
• M19: 4,495,865 km (0.103 R)
• M20: 4,628,409 km (0.066 R)
• M21: 4,874,497 km (0.066 R)
• M22: 5,056,258 km (0.108 R)
• M23: 6,615,816 km (0.105 R)
• M24: 6,893,769 km (0.09 R)
• M25: 7,513,403 km (0.12 R)
• M26: 7,803,474 km (0.117 R)
• M27: 8,070,356 km (0.115 R)
• M28: 8,394,685 km (0.105 R)
• M29: 8,640,773 km (0.072 R)
• M30: 8,861,579 km (0.073 R)
• M31: 8,972,581 km (0.098 R)
• M32: 9,084,181 km (0.114 R)
• M33: 9,252,479 km (0.034 R)
• M34: 9,365,126 km (0.046 R)
• M35: 9,535,069 km (0.089 R)
• M36: 9,878,097 km (0.097 R)
• M37: 10,167,120 km (0.061 R)
• M38: 10,872,025 km (0.069 R)
• M39: 11,350,888 km (0.063 R)
• M40: 11,532,201 km (0.04 R)
• M41: 11,653,674 km (0.094 R)
• M42: 12,360,225 km (0.104 R)
• M43: 12,546,773 km (0.074 R)
• M44: 12,640,571 km (0.118 R)
• M45: 12,765,785 km (0.066 R)
• M46: 12,891,447 km (0.036 R)
• M47: 13,175,683 km (0.115 R)
• M48: 13,270,977 km (0.09 R)
• M49: 13,847,078 km (0.099 R)
• M50: 14,300,958 km (0.111 R)
• M51: 14,759,625 km (0.119 R)
• M52: 14,858,509 km (0.067 R)
• M53: 15,123,447 km (0.11 R)
• M54: 15,691,620 km (0.063 R)
• M55: 15,893,876 km (0.032 R)
• M56: 15,995,304 km (0.115 R)
• M57: 16,130,839 km (0.114 R)
• M58: 16,471,474 km (0.109 R)
• M59: 16,677,021 km (0.084 R)
• M60: 17,403,019 km (0.058 R)
• M61: 18,387,224 km (0.094 R)
• M62: 19,029,448 km (0.067 R)
• M63: 19,353,327 km (0.094 R)
• M64: 19,860,763 km (0.118 R)
• M65: 20,043,123 km (0.116 R)
• M66: 20,299,234 km (0.078 R)
• M67: 22,009,587 km (0.065 R)
• M68: 22,122,683 km (0.119 R)
• M69: 22,958,486 km (0.117 R)
• M70: 23,188,119 km (0.087 R)
• M71: 24,660,760 km (0.026 R)
• M72: 24,817,539 km (0.043 R)
• M73: 25,132,143 km (0.058 R)
• M74: 25,884,471 km (0.114 R)
• M75: 26,043,793 km (0.085 R)
• M76: 26,563,944 km (0.027 R)
• M77: 27,127,779 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.3

Radius: 6.6

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 13.01 AU - 13.09 AU

Year: 17133 Days

Day: 21.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 35,058,264 km

• M1: 111,899 km (0.087 R)
• M2: 159,621 km (0.051 R)
• M3: 204,051 km (0.046 R)
• M4: 301,290 km (0.109 R)
• M5: 484,847 km (0.057 R)
• M6: 1,238,222 km (0.105 R)
• M7: 1,375,552 km (0.099 R)
• M8: 1,499,868 km (0.096 R)
• M9: 1,875,060 km (0.112 R)
• M10: 2,013,288 km (0.026 R)
• M11: 2,073,576 km (0.111 R)
• M12: 2,686,628 km (0.069 R)
• M13: 2,730,909 km (0.108 R)
• M14: 3,691,178 km (0.081 R)
• M15: 5,292,025 km (0.107 R)
• M16: 6,295,078 km (0.059 R)
• M17: 6,712,606 km (0.119 R)
• M18: 7,016,140 km (0.119 R)
• M19: 7,169,777 km (0.118 R)
• M20: 7,858,376 km (0.095 R)
• M21: 8,017,847 km (0.061 R)
• M22: 8,699,116 km (0.09 R)
• M23: 8,765,089 km (0.092 R)
• M24: 9,197,277 km (0.055 R)
• M25: 9,466,553 km (0.109 R)
• M26: 9,670,306 km (0.097 R)
• M27: 10,047,741 km (0.069 R)
• M28: 10,290,389 km (0.067 R)
• M29: 10,605,143 km (0.045 R)
• M30: 10,816,824 km (0.085 R)
• M31: 12,115,632 km (0.096 R)
• M32: 12,448,039 km (0.096 R)
• M33: 13,539,355 km (0.102 R)
• M34: 13,961,221 km (0.039 R)
• M35: 14,857,313 km (0.038 R)
• M36: 15,932,921 km (0.118 R)
• M37: 16,459,655 km (0.076 R)
• M38: 17,115,792 km (0.06 R)
• M39: 17,198,370 km (0.115 R)
• M40: 17,613,504 km (0.106 R)
• M41: 18,158,040 km (0.064 R)
• M42: 18,284,450 km (0.077 R)
• M43: 19,263,718 km (0.102 R)
• M44: 19,435,755 km (0.105 R)
• M45: 19,998,393 km (0.03 R)
• M46: 20,742,194 km (0.085 R)
• M47: 22,527,644 km (0.098 R)
• M48: 23,576,475 km (0.091 R)
• M49: 24,828,011 km (0.098 R)
• M50: 25,627,013 km (0.097 R)
• M51: 25,958,372 km (0.088 R)
• M52: 26,195,934 km (0.059 R)
• M53: 26,482,114 km (0.043 R)
• M54: 26,817,213 km (0.035 R)
• M55: 26,865,234 km (0.041 R)
• M56: 27,588,391 km (0.077 R)
• M57: 27,927,978 km (0.116 R)
• M58: 28,269,061 km (0.116 R)
• M59: 28,513,504 km (0.039 R)
• M60: 29,300,538 km (0.065 R)
• M61: 29,448,939 km (0.059 R)
• M62: 29,696,823 km (0.08 R)
• M63: 29,945,305 km (0.092 R)
• M64: 30,344,282 km (0.113 R)
• M65: 30,494,479 km (0.115 R)
• M66: 32,059,871 km (0.056 R)
• M67: 32,365,948 km (0.117 R)
• M68: 32,416,961 km (0.11 R)
• M69: 33,547,921 km (0.102 R)
• M70: 33,806,725 km (0.119 R)
• M71: 33,910,397 km (0.069 R)
• M72: 34,014,217 km (0.102 R)

Kuiper Belt

Range: 30.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 238 - 14,762 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit