🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21

Radius: 14.1

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.57 AU - 0.81 AU

Year: 396 Days

Day: 7.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 52.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 37,905,106 km

• M1: 175,329 km (0.086 R)
• M2: 921,523 km (0.099 R)
• M3: 1,435,392 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.5

Radius: 9.1

Gravity: 10 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.72 AU - 0.76 AU

Year: 439 Days

Day: 5.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,905,106 km

• M1: 113,096 km (0.118 R)
• M2: 455,974 km (0.095 R)
• M3: 1,180,926 km (0.05 R)
• M4: 1,573,171 km (0.064 R)
• M5: 1,868,328 km (0.07 R)
• M6: 2,301,862 km (0.086 R)
• M7: 2,779,977 km (0.118 R)
• M8: 3,100,117 km (0.084 R)
• M9: 3,457,207 km (0.064 R)
• M10: 3,775,701 km (0.118 R)
• M11: 4,113,792 km (0.075 R)
• M12: 4,696,924 km (0.096 R)
• M13: 5,024,693 km (0.117 R)
• M14: 5,367,572 km (0.105 R)
• M15: 6,284,607 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981

Radius: 14

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.65 AU - 2.29 AU

Year: 1909 Days

Day: 12.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,905,106 km

• M1: 174,132 km (0.091 R)
• M2: 811,419 km (0.102 R)
• M3: 1,258,866 km (0.119 R)
• M4: 1,900,491 km (0.112 R)
• M5: 3,510,912 km (0.073 R)
• M6: 3,947,888 km (0.105 R)
• M7: 6,102,546 km (0.071 R)
• M8: 7,929,136 km (0.101 R)
• M9: 8,558,494 km (0.047 R)
• M10: 10,060,906 km (0.099 R)
• M11: 10,723,923 km (0.11 R)
• M12: 15,094,276 km (0.066 R)
• M13: 16,612,993 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.4

Radius: 8.6

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.77 AU - 2.95 AU

Year: 3339 Days

Day: 6.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,905,106 km

• M1: 106,962 km (0.068 R)
• M2: 385,663 km (0.112 R)
• M3: 815,009 km (0.083 R)
• M4: 1,088,175 km (0.081 R)
• M5: 2,001,171 km (0.097 R)
• M6: 2,789,851 km (0.118 R)
• M7: 3,372,834 km (0.098 R)
• M8: 4,396,532 km (0.075 R)
• M9: 5,064,187 km (0.072 R)
• M10: 6,259,773 km (0.12 R)
• M11: 7,569,951 km (0.069 R)
• M12: 9,306,932 km (0.092 R)
• M13: 10,484,118 km (0.104 R)
• M14: 13,833,016 km (0.095 R)
• M15: 16,406,847 km (0.037 R)
• M16: 19,164,983 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.7

Radius: 9.8

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.41 AU - 5.29 AU

Year: 6262 Days

Day: 6.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,905,106 km

• M1: 121,922 km (0.088 R)
• M2: 460,013 km (0.114 R)
• M3: 764,894 km (0.069 R)
• M4: 1,136,794 km (0.114 R)
• M5: 1,654,403 km (0.067 R)
• M6: 2,845,052 km (0.087 R)
• M7: 3,783,629 km (0.114 R)
• M8: 4,632,896 km (0.115 R)
• M9: 5,321,795 km (0.09 R)
• M10: 5,807,988 km (0.094 R)
• M11: 6,417,898 km (0.058 R)
• M12: 7,658,065 km (0.069 R)
• M13: 9,091,212 km (0.111 R)
• M14: 9,496,473 km (0.107 R)
• M15: 10,126,878 km (0.116 R)
• M16: 15,805,613 km (0.074 R)
• M17: 19,746,769 km (0.068 R)
• M18: 20,289,959 km (0.073 R)
• M19: 21,979,667 km (0.105 R)
• M20: 23,306,899 km (0.029 R)
• M21: 25,317,495 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.2

Radius: 14

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.62 AU - 6.02 AU

Year: 8470 Days

Day: 5.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,905,106 km

• M1: 174,282 km (0.119 R)
• M2: 615,446 km (0.104 R)
• M3: 1,113,457 km (0.075 R)
• M4: 1,710,053 km (0.11 R)
• M5: 2,147,926 km (0.097 R)
• M6: 2,699,194 km (0.094 R)
• M7: 3,775,252 km (0.106 R)
• M8: 5,327,779 km (0.119 R)
• M9: 6,417,449 km (0.093 R)
• M10: 8,654,386 km (0.093 R)
• M11: 9,430,051 km (0.11 R)
• M12: 10,728,411 km (0.112 R)
• M13: 14,198,484 km (0.101 R)
• M14: 18,010,686 km (0.038 R)
• M15: 19,564,858 km (0.098 R)
• M16: 21,206,994 km (0.116 R)
• M17: 21,826,329 km (0.07 R)
• M18: 22,939,188 km (0.066 R)
• M19: 23,674,312 km (0.04 R)
• M20: 26,953,048 km (0.088 R)
• M21: 30,916,644 km (0.079 R)
• M22: 36,452,663 km (0.068 R)
• M23: 37,006,773 km (0.114 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 11,636 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit