🌌 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: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.8 AU - 0.86 AU

Year: 286 Days

Day: 25.6 Hours

Environment

Temp: 77 °C

Axial Tilt: 33.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.9 AU - 1.42 AU

Year: 473 Days

Day: 43.5 Hours

Environment

Temp: -13 °C

Axial Tilt: 20.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.4 AU - 1.48 AU

Year: 654 Days

Day: 13 Hours

Environment

Temp: -50 °C

Axial Tilt: 12.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.47 AU - 1.55 AU

Year: 703 Days

Day: 39.3 Hours

Environment

Temp: -52 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.55 AU - 1.61 AU

Year: 752 Days

Day: 35.1 Hours

Environment

Temp: -59 °C

Axial Tilt: 20.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 31,112,343 km

• M1: 516,262 km (0.118 R)
• M2: 1,536,370 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.9

Radius: 11

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.01 AU - 5.73 AU

Year: 4713 Days

Day: 10.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 31,112,343 km

• M1: 145,858 km (0.1 R)
• M2: 214,673 km (0.026 R)
• M3: 397,332 km (0.093 R)
• M4: 600,336 km (0.106 R)
• M5: 897,438 km (0.097 R)
• M6: 969,843 km (0.101 R)
• M7: 1,160,281 km (0.118 R)
• M8: 1,267,094 km (0.076 R)
• M9: 1,391,260 km (0.12 R)
• M10: 1,804,300 km (0.114 R)
• M11: 2,089,882 km (0.061 R)
• M12: 2,338,963 km (0.099 R)
• M13: 2,527,905 km (0.087 R)
• M14: 2,633,072 km (0.11 R)
• M15: 3,219,197 km (0.105 R)
• M16: 3,449,278 km (0.087 R)
• M17: 3,844,964 km (0.085 R)
• M18: 4,130,696 km (0.106 R)
• M19: 4,529,524 km (0.092 R)
• M20: 4,896,937 km (0.102 R)
• M21: 5,296,662 km (0.105 R)
• M22: 5,500,415 km (0.11 R)
• M23: 5,591,819 km (0.109 R)
• M24: 5,729,898 km (0.034 R)
• M25: 5,915,848 km (0.107 R)
• M26: 6,127,379 km (0.079 R)
• M27: 6,413,410 km (0.116 R)
• M28: 6,533,986 km (0.098 R)
• M29: 6,777,083 km (0.088 R)
• M30: 8,535,456 km (0.093 R)
• M31: 8,881,775 km (0.12 R)
• M32: 9,151,500 km (0.055 R)
• M33: 9,451,145 km (0.069 R)
• M34: 9,588,476 km (0.067 R)
• M35: 10,739,332 km (0.069 R)
• M36: 10,940,242 km (0.11 R)
• M37: 11,403,995 km (0.119 R)
• M38: 11,963,192 km (0.115 R)
• M39: 12,290,961 km (0.118 R)
• M40: 12,773,115 km (0.117 R)
• M41: 12,985,993 km (0.116 R)
• M42: 13,169,400 km (0.082 R)
• M43: 13,261,402 km (0.065 R)
• M44: 13,476,973 km (0.097 R)
• M45: 13,786,940 km (0.045 R)
• M46: 14,005,353 km (0.107 R)
• M47: 14,287,793 km (0.117 R)
• M48: 14,445,619 km (0.095 R)
• M49: 14,540,464 km (0.118 R)
• M50: 15,501,331 km (0.071 R)
• M51: 15,858,721 km (0.099 R)
• M52: 16,153,129 km (0.034 R)
• M53: 16,350,598 km (0.077 R)
• M54: 16,515,605 km (0.073 R)
• M55: 17,382,824 km (0.06 R)
• M56: 17,652,549 km (0.069 R)
• M57: 17,855,852 km (0.104 R)
• M58: 18,128,120 km (0.078 R)
• M59: 18,676,696 km (0.083 R)
• M60: 18,849,332 km (0.08 R)
• M61: 18,918,446 km (0.109 R)
• M62: 19,126,537 km (0.112 R)
• M63: 19,405,088 km (0.119 R)
• M64: 19,579,968 km (0.111 R)
• M65: 19,860,613 km (0.049 R)
• M66: 20,072,145 km (0.09 R)
• M67: 20,532,906 km (0.118 R)
• M68: 21,032,862 km (0.089 R)
• M69: 21,464,751 km (0.071 R)
• M70: 21,573,210 km (0.094 R)
• M71: 22,704,170 km (0.101 R)
• M72: 22,999,177 km (0.111 R)
• M73: 23,891,678 km (0.073 R)
• M74: 23,966,626 km (0.075 R)
• M75: 24,154,222 km (0.075 R)
• M76: 24,682,003 km (0.087 R)
• M77: 24,833,546 km (0.113 R)
• M78: 25,595,747 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.6

Radius: 14

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 5.08 AU - 6.28 AU

Year: 5127 Days

Day: 12 Hours

Environment

Temp: -161 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 31,112,343 km

• M1: 175,030 km (0.113 R)
• M2: 275,110 km (0.104 R)
• M3: 430,991 km (0.065 R)
• M4: 663,317 km (0.064 R)
• M5: 848,070 km (0.119 R)
• M6: 1,396,347 km (0.082 R)
• M7: 1,864,737 km (0.09 R)
• M8: 2,080,308 km (0.059 R)
• M9: 2,228,859 km (0.098 R)
• M10: 2,361,851 km (0.109 R)
• M11: 2,941,244 km (0.067 R)
• M12: 3,301,475 km (0.105 R)
• M13: 3,631,339 km (0.11 R)
• M14: 4,442,458 km (0.103 R)
• M15: 4,856,545 km (0.119 R)
• M16: 5,030,677 km (0.086 R)
• M17: 5,827,136 km (0.108 R)
• M18: 6,039,116 km (0.119 R)
• M19: 6,226,712 km (0.07 R)
• M20: 6,443,479 km (0.084 R)
• M21: 7,709,227 km (0.108 R)
• M22: 8,177,618 km (0.075 R)
• M23: 8,535,157 km (0.106 R)
• M24: 8,958,668 km (0.073 R)
• M25: 9,700,824 km (0.049 R)
• M26: 11,014,143 km (0.103 R)
• M27: 11,475,353 km (0.042 R)
• M28: 12,484,989 km (0.11 R)
• M29: 14,123,685 km (0.08 R)
• M30: 14,337,759 km (0.085 R)
• M31: 14,732,997 km (0.075 R)
• M32: 15,095,472 km (0.033 R)
• M33: 15,314,334 km (0.05 R)
• M34: 15,607,845 km (0.12 R)
• M35: 16,424,649 km (0.05 R)
• M36: 16,687,493 km (0.038 R)
• M37: 16,989,531 km (0.095 R)
• M38: 17,369,659 km (0.089 R)
• M39: 17,867,970 km (0.111 R)
• M40: 18,293,426 km (0.091 R)
• M41: 18,526,948 km (0.065 R)
• M42: 19,510,255 km (0.048 R)
• M43: 19,868,542 km (0.11 R)
• M44: 20,028,462 km (0.113 R)
• M45: 20,269,016 km (0.077 R)
• M46: 20,389,741 km (0.096 R)
• M47: 21,037,500 km (0.096 R)
• M48: 22,063,143 km (0.098 R)
• M49: 22,895,356 km (0.116 R)
• M50: 23,063,055 km (0.075 R)
• M51: 23,315,277 km (0.077 R)
• M52: 23,907,535 km (0.071 R)
• M53: 24,077,777 km (0.103 R)
• M54: 24,719,253 km (0.102 R)
• M55: 25,714,079 km (0.117 R)
• M56: 26,282,102 km (0.094 R)
• M57: 27,031,138 km (0.075 R)
• M58: 27,208,412 km (0.038 R)
• M59: 27,697,896 km (0.09 R)
• M60: 28,100,614 km (0.038 R)
• M61: 28,190,372 km (0.097 R)
• M62: 28,550,305 km (0.029 R)
• M63: 29,002,390 km (0.09 R)
• M64: 29,365,763 km (0.109 R)
• M65: 29,547,973 km (0.084 R)
• M66: 30,096,997 km (0.094 R)
• M67: 30,234,777 km (0.111 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 14,277 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit