🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.79 AU - 0.89 AU

Year: 283 Days

Day: 22.9 Hours

Environment

Temp: 116 °C

Axial Tilt: 32.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 33,441,244 km

• M1: 93,947 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.86 AU - 1.4 AU

Year: 441 Days

Day: 39 Hours

Environment

Temp: 7 °C

Axial Tilt: 38.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.83 AU - 2.39 AU

Year: 1125 Days

Day: 22.4 Hours

Environment

Temp: -70 °C

Axial Tilt: 47.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.1 AU - 3.1 AU

Year: 1539 Days

Day: 13.4 Hours

Environment

Temp: -99 °C

Axial Tilt: 16.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.39 AU - 3.31 AU

Year: 1766 Days

Day: 41.8 Hours

Environment

Temp: -94 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,441,244 km

• M1: 438,771 km (0.095 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.32 AU - 3.6 AU

Year: 1869 Days

Day: 43.9 Hours

Environment

Temp: -94 °C

Axial Tilt: 47 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.29 AU - 3.51 AU

Year: 2301 Days

Day: 21.7 Hours

Environment

Temp: -119 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33

Radius: 8.6

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.3 AU - 6.78 AU

Year: 4787 Days

Day: 5.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 33,441,244 km

• M1: 108,758 km (0.095 R)
• M2: 221,554 km (0.098 R)
• M3: 294,259 km (0.034 R)
• M4: 387,458 km (0.106 R)
• M5: 642,672 km (0.099 R)
• M6: 873,801 km (0.083 R)
• M7: 1,051,972 km (0.107 R)
• M8: 1,451,548 km (0.107 R)
• M9: 1,782,608 km (0.086 R)
• M10: 2,201,632 km (0.11 R)
• M11: 2,690,219 km (0.098 R)
• M12: 2,820,069 km (0.073 R)
• M13: 3,159,208 km (0.094 R)
• M14: 3,424,744 km (0.076 R)
• M15: 3,631,488 km (0.067 R)
• M16: 3,819,982 km (0.077 R)
• M17: 3,887,301 km (0.115 R)
• M18: 4,034,505 km (0.065 R)
• M19: 4,206,692 km (0.055 R)
• M20: 4,322,930 km (0.118 R)
• M21: 4,463,701 km (0.111 R)
• M22: 4,546,429 km (0.118 R)
• M23: 4,822,287 km (0.097 R)
• M24: 5,940,232 km (0.082 R)
• M25: 6,031,487 km (0.091 R)
• M26: 6,215,343 km (0.105 R)
• M27: 6,374,515 km (0.116 R)
• M28: 6,481,328 km (0.092 R)
• M29: 6,535,033 km (0.054 R)
• M30: 6,615,667 km (0.108 R)
• M31: 7,024,518 km (0.039 R)
• M32: 7,148,684 km (0.106 R)
• M33: 7,204,185 km (0.097 R)
• M34: 7,441,447 km (0.06 R)
• M35: 7,511,608 km (0.061 R)
• M36: 7,624,555 km (0.086 R)
• M37: 7,866,305 km (0.034 R)
• M38: 8,053,003 km (0.116 R)
• M39: 8,562,683 km (0.103 R)
• M40: 8,814,157 km (0.09 R)
• M41: 9,037,955 km (0.109 R)
• M42: 9,128,013 km (0.101 R)
• M43: 9,278,808 km (0.087 R)
• M44: 9,659,235 km (0.058 R)
• M45: 9,859,248 km (0.113 R)
• M46: 10,216,188 km (0.072 R)
• M47: 10,325,694 km (0.09 R)
• M48: 10,435,648 km (0.113 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.3

Radius: 9

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.81 AU - 7.25 AU

Year: 5436 Days

Day: 6 Hours

Environment

Temp: -147 °C

Axial Tilt: 131.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 33,441,244 km

• M1: 123,717 km (0.065 R)
• M2: 259,852 km (0.061 R)
• M3: 320,887 km (0.071 R)
• M4: 378,632 km (0.102 R)
• M5: 715,975 km (0.037 R)
• M6: 782,846 km (0.098 R)
• M7: 866,022 km (0.113 R)
• M8: 923,318 km (0.114 R)
• M9: 1,150,108 km (0.104 R)
• M10: 1,462,918 km (0.098 R)
• M11: 1,567,187 km (0.092 R)
• M12: 1,692,251 km (0.114 R)
• M13: 1,802,056 km (0.119 R)
• M14: 2,028,846 km (0.116 R)
• M15: 2,407,030 km (0.079 R)
• M16: 2,785,512 km (0.089 R)
• M17: 3,070,646 km (0.113 R)
• M18: 3,551,154 km (0.12 R)
• M19: 4,030,615 km (0.114 R)
• M20: 4,658,627 km (0.11 R)
• M21: 4,839,940 km (0.09 R)
• M22: 5,182,968 km (0.09 R)
• M23: 5,479,321 km (0.058 R)
• M24: 5,588,528 km (0.119 R)
• M25: 5,892,511 km (0.066 R)
• M26: 6,574,378 km (0.071 R)
• M27: 7,310,998 km (0.07 R)
• M28: 7,796,293 km (0.098 R)
• M29: 7,857,628 km (0.1 R)
• M30: 8,198,263 km (0.077 R)
• M31: 8,702,258 km (0.109 R)
• M32: 8,861,879 km (0.077 R)
• M33: 9,086,874 km (0.09 R)
• M34: 9,248,739 km (0.118 R)
• M35: 9,444,263 km (0.104 R)
• M36: 9,575,461 km (0.083 R)
• M37: 10,172,954 km (0.082 R)
• M38: 10,408,721 km (0.054 R)
• M39: 11,057,527 km (0.029 R)
• M40: 11,684,192 km (0.045 R)
• M41: 12,001,788 km (0.108 R)
• M42: 12,609,605 km (0.08 R)
• M43: 13,008,283 km (0.094 R)
• M44: 13,117,788 km (0.088 R)
• M45: 13,521,703 km (0.075 R)
• M46: 13,595,604 km (0.082 R)
• M47: 13,706,606 km (0.093 R)
• M48: 14,530,441 km (0.1 R)
• M49: 15,602,011 km (0.091 R)
• M50: 15,912,875 km (0.111 R)
• M51: 16,304,223 km (0.095 R)
• M52: 16,897,379 km (0.08 R)
• M53: 17,056,700 km (0.106 R)
• M54: 17,376,840 km (0.103 R)
• M55: 17,618,440 km (0.038 R)
• M56: 18,186,164 km (0.11 R)
• M57: 18,308,535 km (0.086 R)
• M58: 19,131,922 km (0.08 R)
• M59: 19,673,466 km (0.038 R)
• M60: 19,841,166 km (0.055 R)
• M61: 20,135,724 km (0.113 R)
• M62: 21,371,402 km (0.074 R)
• M63: 22,412,603 km (0.089 R)
• M64: 22,543,950 km (0.055 R)
• M65: 23,204,275 km (0.042 R)
• M66: 24,005,222 km (0.077 R)
• M67: 24,589,252 km (0.027 R)
• M68: 24,679,460 km (0.091 R)
• M69: 25,177,920 km (0.066 R)
• M70: 25,908,855 km (0.119 R)
• M71: 26,785,948 km (0.073 R)
• M72: 27,111,473 km (0.095 R)
• M73: 27,578,816 km (0.036 R)
• M74: 27,672,614 km (0.03 R)
• M75: 28,095,976 km (0.081 R)
• M76: 28,758,994 km (0.116 R)
• M77: 30,003,648 km (0.093 R)
• M78: 31,119,349 km (0.103 R)
• M79: 31,756,038 km (0.108 R)
• M80: 32,694,166 km (0.094 R)
• M81: 32,892,832 km (0.038 R)
• M82: 33,341,326 km (0.078 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 407 - 14,141 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit