🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.2

Radius: 14.3

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.49 AU - 0.73 AU

Year: 335 Days

Day: 6.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 57,007,297 km

• M1: 177,872 km (0.071 R)
• M2: 637,287 km (0.109 R)
• M3: 1,224,010 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.2

Radius: 15

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.83 AU - 1.07 AU

Year: 651 Days

Day: 13.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,007,297 km

• M1: 186,549 km (0.046 R)
• M2: 947,553 km (0.111 R)
• M3: 1,613,114 km (0.109 R)
• M4: 2,188,467 km (0.092 R)
• M5: 2,734,350 km (0.08 R)
• M6: 3,828,658 km (0.059 R)
• M7: 4,542,390 km (0.104 R)
• M8: 5,693,396 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.7

Radius: 12.3

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.89 AU - 1.05 AU

Year: 672 Days

Day: 6.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,007,297 km

• M1: 153,039 km (0.108 R)
• M2: 570,417 km (0.109 R)
• M3: 1,115,252 km (0.025 R)
• M4: 1,568,683 km (0.088 R)
• M5: 1,977,385 km (0.086 R)
• M6: 2,413,014 km (0.087 R)
• M7: 2,821,565 km (0.065 R)
• M8: 3,310,152 km (0.1 R)
• M9: 4,901,275 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.8

Radius: 8.6

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.89 AU - 1.23 AU

Year: 767 Days

Day: 5.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,007,297 km

• M1: 106,962 km (0.115 R)
• M2: 379,979 km (0.069 R)
• M3: 691,890 km (0.044 R)
• M4: 1,098,198 km (0.079 R)
• M5: 1,474,437 km (0.069 R)
• M6: 1,842,747 km (0.1 R)
• M7: 2,121,896 km (0.098 R)
• M8: 3,381,959 km (0.084 R)
• M9: 4,028,072 km (0.092 R)
• M10: 5,423,372 km (0.064 R)
• M11: 6,211,453 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.3

Radius: 14.4

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.11 AU - 1.25 AU

Year: 901 Days

Day: 7.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,007,297 km

• M1: 179,069 km (0.101 R)
• M2: 687,851 km (0.117 R)
• M3: 1,359,246 km (0.106 R)
• M4: 1,873,713 km (0.112 R)
• M5: 2,326,696 km (0.09 R)
• M6: 3,658,416 km (0.11 R)
• M7: 4,592,954 km (0.073 R)
• M8: 5,282,151 km (0.06 R)
• M9: 6,141,890 km (0.094 R)
• M10: 7,322,666 km (0.053 R)
• M11: 8,215,616 km (0.089 R)
• M12: 8,780,198 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.9

Radius: 13.6

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.17 AU - 1.25 AU

Year: 936 Days

Day: 9.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,007,297 km

• M1: 170,242 km (0.081 R)
• M2: 798,703 km (0.111 R)
• M3: 1,393,205 km (0.038 R)
• M4: 2,277,777 km (0.107 R)
• M5: 3,986,783 km (0.069 R)
• M6: 4,419,869 km (0.118 R)
• M7: 5,167,410 km (0.036 R)
• M8: 5,704,616 km (0.12 R)
• M9: 6,389,475 km (0.038 R)
• M10: 7,445,037 km (0.103 R)
• M11: 8,778,403 km (0.098 R)
• M12: 10,296,223 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778

Radius: 13.5

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.56 AU - 2.46 AU

Year: 2003 Days

Day: 9 Hours

Environment

Temp: -198 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,007,297 km

• M1: 168,447 km (0.099 R)
• M2: 1,120,338 km (0.116 R)
• M3: 2,031,090 km (0.071 R)
• M4: 2,607,042 km (0.096 R)
• M5: 3,113,431 km (0.118 R)
• M6: 3,632,087 km (0.088 R)
• M7: 4,632,896 km (0.09 R)
• M8: 5,175,937 km (0.114 R)
• M9: 6,057,966 km (0.093 R)
• M10: 6,871,928 km (0.071 R)
• M11: 8,526,480 km (0.114 R)
• M12: 9,896,647 km (0.087 R)
• M13: 11,102,256 km (0.118 R)
• M14: 11,525,170 km (0.056 R)
• M15: 12,650,744 km (0.05 R)
• M16: 13,672,797 km (0.116 R)
• M17: 15,355,324 km (0.058 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.1

Radius: 14.3

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.05 AU - 2.45 AU

Year: 2372 Days

Day: 13.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,007,297 km

• M1: 177,872 km (0.09 R)
• M2: 1,613,712 km (0.11 R)
• M3: 2,220,631 km (0.109 R)
• M4: 3,755,206 km (0.075 R)
• M5: 4,621,527 km (0.112 R)
• M6: 7,030,053 km (0.078 R)
• M7: 7,729,423 km (0.096 R)
• M8: 10,001,366 km (0.042 R)
• M9: 11,039,724 km (0.055 R)
• M10: 17,235,470 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 11

Radius: 5.1

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.2 AU - 7.48 AU

Year: 11221 Days

Day: 19.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,007,297 km

• M1: 65,075 km (0.101 R)
• M2: 345,721 km (0.075 R)
• M3: 574,157 km (0.05 R)
• M4: 1,911,861 km (0.118 R)
• M5: 2,075,820 km (0.103 R)
• M6: 11,814,043 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 748.3

Radius: 7.4

Gravity: 13.67 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 5.84 AU - 7.72 AU

Year: 12409 Days

Day: 23.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,007,297 km

• M1: 92,003 km (0.108 R)
• M2: 619,186 km (0.036 R)
• M3: 1,328,130 km (0.092 R)
• M4: 1,722,769 km (0.069 R)
• M5: 2,511,449 km (0.112 R)
• M6: 2,836,974 km (0.104 R)
• M7: 3,680,257 km (0.047 R)
• M8: 4,338,937 km (0.072 R)
• M9: 5,740,968 km (0.073 R)
• M10: 6,505,114 km (0.086 R)
• M11: 6,870,432 km (0.097 R)
• M12: 7,641,908 km (0.071 R)
• M13: 8,327,814 km (0.033 R)
• M14: 9,104,078 km (0.118 R)
• M15: 9,458,325 km (0.076 R)
• M16: 10,302,955 km (0.068 R)
• M17: 12,447,291 km (0.058 R)
• M18: 15,082,009 km (0.081 R)
• M19: 15,364,449 km (0.102 R)
• M20: 16,380,668 km (0.059 R)
• M21: 18,627,029 km (0.081 R)
• M22: 19,116,214 km (0.114 R)
• M23: 19,781,775 km (0.103 R)
• M24: 32,050,895 km (0.106 R)
• M25: 34,310,122 km (0.075 R)
• M26: 34,553,967 km (0.061 R)
• M27: 36,419,751 km (0.119 R)
• M28: 38,220,760 km (0.058 R)
• M29: 42,558,949 km (0.085 R)
• M30: 42,840,492 km (0.041 R)
• M31: 43,692,601 km (0.094 R)
• M32: 44,555,931 km (0.083 R)
• M33: 46,168,147 km (0.116 R)
• M34: 48,735,845 km (0.051 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: 176 - 10,787 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit