🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.9

Radius: 11.1

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.49 AU - 0.59 AU

Year: 265 Days

Day: 13.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 61.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 30,317,301 km

• M1: 138,079 km (0.096 R)
• M2: 680,970 km (0.116 R)
• M3: 1,090,419 km (0.1 R)
• M4: 1,691,354 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341

Radius: 11.5

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.53 AU - 0.61 AU

Year: 287 Days

Day: 10.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,317,301 km

• M1: 143,016 km (0.111 R)
• M2: 530,474 km (0.054 R)
• M3: 1,030,580 km (0.114 R)
• M4: 1,522,458 km (0.075 R)
• M5: 2,069,088 km (0.058 R)
• M6: 2,972,809 km (0.087 R)
• M7: 3,499,693 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35

Radius: 10.9

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.55 AU - 0.69 AU

Year: 326 Days

Day: 9 Hours

Environment

Temp: -156 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 30,317,301 km

• M1: 135,835 km (0.05 R)
• M2: 607,068 km (0.072 R)
• M3: 1,067,530 km (0.093 R)
• M4: 1,412,503 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.2

Radius: 8.7

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.63 AU - 0.99 AU

Year: 486 Days

Day: 10.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,317,301 km

• M1: 108,309 km (0.098 R)
• M2: 448,644 km (0.065 R)
• M3: 962,961 km (0.112 R)
• M4: 1,278,015 km (0.092 R)
• M5: 1,669,512 km (0.093 R)
• M6: 2,004,163 km (0.074 R)
• M7: 2,374,268 km (0.113 R)
• M8: 2,768,608 km (0.043 R)
• M9: 3,676,966 km (0.048 R)
• M10: 4,110,501 km (0.106 R)
• M11: 4,908,905 km (0.034 R)
• M12: 5,652,855 km (0.062 R)
• M13: 5,946,067 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.4

Radius: 12.8

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.53 AU - 3.69 AU

Year: 3657 Days

Day: 14.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,317,301 km

• M1: 169,046 km (0.08 R)
• M2: 702,063 km (0.086 R)
• M3: 1,104,032 km (0.113 R)
• M4: 1,546,543 km (0.113 R)
• M5: 1,953,449 km (0.099 R)
• M6: 2,477,790 km (0.049 R)
• M7: 4,711,136 km (0.043 R)
• M8: 5,962,672 km (0.085 R)
• M9: 7,457,005 km (0.1 R)
• M10: 10,307,443 km (0.037 R)
• M11: 11,909,187 km (0.109 R)
• M12: 16,356,134 km (0.109 R)
• M13: 17,706,853 km (0.116 R)
• M14: 21,671,047 km (0.117 R)
• M15: 22,137,643 km (0.081 R)
• M16: 23,160,294 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.7

Radius: 14.7

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.86 AU - 6.6 AU

Year: 9147 Days

Day: 7.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 123.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 30,317,301 km

• M1: 184,155 km (0.119 R)
• M2: 647,310 km (0.057 R)
• M3: 1,199,925 km (0.105 R)
• M4: 2,008,651 km (0.114 R)
• M5: 2,567,399 km (0.093 R)
• M6: 3,048,655 km (0.094 R)
• M7: 4,059,338 km (0.086 R)
• M8: 5,251,035 km (0.098 R)
• M9: 5,719,575 km (0.058 R)
• M10: 6,252,742 km (0.07 R)
• M11: 11,740,142 km (0.074 R)
• M12: 13,698,827 km (0.053 R)
• M13: 14,204,916 km (0.094 R)
• M14: 18,792,036 km (0.103 R)
• M15: 19,338,517 km (0.111 R)
• M16: 20,792,758 km (0.097 R)
• M17: 21,546,731 km (0.117 R)
• M18: 24,284,073 km (0.108 R)
• M19: 28,659,212 km (0.056 R)
• M20: 29,909,252 km (0.117 R)
• M21: 31,086,737 km (0.111 R)
• M22: 32,294,889 km (0.102 R)
• M23: 35,274,879 km (0.026 R)
• M24: 37,075,139 km (0.105 R)
• M25: 39,569,983 km (0.12 R)
• M26: 44,891,778 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57

Radius: 3.9

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 8.01 AU - 9.61 AU

Year: 17438 Days

Day: 24.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,317,301 km

• M1: 49,367 km (0.032 R)
• M2: 756,666 km (0.045 R)
• M3: 958,922 km (0.103 R)
• M4: 1,670,410 km (0.114 R)
• M5: 3,333,639 km (0.107 R)
• M6: 3,480,394 km (0.03 R)
• M7: 4,207,141 km (0.113 R)
• M8: 4,378,580 km (0.097 R)
• M9: 5,893,408 km (0.116 R)
• M10: 6,108,380 km (0.059 R)
• M11: 6,751,352 km (0.105 R)
• M12: 7,123,701 km (0.074 R)
• M13: 11,158,954 km (0.066 R)
• M14: 12,314,149 km (0.072 R)
• M15: 19,100,357 km (0.105 R)
• M16: 20,535,449 km (0.106 R)
• M17: 21,100,630 km (0.09 R)
• M18: 22,041,002 km (0.081 R)
• M19: 23,236,289 km (0.069 R)
• M20: 28,799,684 km (0.091 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 17,347 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit