🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.63 AU - 0.71 AU

Year: 360 Days

Day: 26.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.5

Radius: 10.1

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.71 AU - 0.71 AU

Year: 392 Days

Day: 8.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,378,832 km

• M1: 125,961 km (0.104 R)
• M2: 474,824 km (0.099 R)
• M3: 866,770 km (0.042 R)
• M4: 1,365,380 km (0.097 R)
• M5: 2,154,808 km (0.082 R)
• M6: 2,480,632 km (0.091 R)
• M7: 3,073,488 km (0.069 R)
• M8: 3,418,760 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.3

Radius: 11.7

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.17 AU - 3.13 AU

Year: 2830 Days

Day: 8.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,378,832 km

• M1: 145,559 km (0.085 R)
• M2: 656,735 km (0.104 R)
• M3: 1,134,251 km (0.105 R)
• M4: 1,703,471 km (0.105 R)
• M5: 2,221,678 km (0.089 R)
• M6: 2,681,542 km (0.028 R)
• M7: 3,813,848 km (0.083 R)
• M8: 4,416,578 km (0.067 R)
• M9: 5,310,425 km (0.109 R)
• M10: 6,114,215 km (0.116 R)
• M11: 8,656,032 km (0.079 R)
• M12: 10,088,880 km (0.09 R)
• M13: 11,013,545 km (0.082 R)
• M14: 12,155,874 km (0.12 R)
• M15: 13,245,844 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.1

Radius: 13.8

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.15 AU - 5.01 AU

Year: 5406 Days

Day: 10.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,378,832 km

• M1: 171,589 km (0.111 R)
• M2: 696,079 km (0.081 R)
• M3: 1,414,747 km (0.089 R)
• M4: 2,707,721 km (0.052 R)
• M5: 4,092,100 km (0.097 R)
• M6: 6,259,474 km (0.114 R)
• M7: 7,819,182 km (0.094 R)
• M8: 8,855,296 km (0.05 R)
• M9: 9,406,714 km (0.12 R)
• M10: 13,932,648 km (0.119 R)
• M11: 14,797,324 km (0.11 R)
• M12: 15,393,322 km (0.064 R)
• M13: 16,005,476 km (0.083 R)
• M14: 16,825,273 km (0.104 R)
• M15: 18,276,521 km (0.083 R)
• M16: 18,824,349 km (0.109 R)
• M17: 22,113,408 km (0.03 R)
• M18: 25,682,663 km (0.12 R)
• M19: 26,719,077 km (0.068 R)
• M20: 29,807,226 km (0.088 R)
• M21: 32,324,061 km (0.104 R)
• M22: 35,294,925 km (0.067 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 536.2

Radius: 7.8

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 5.11 AU - 8.07 AU

Year: 11098 Days

Day: 17.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 29,378,832 km

• M1: 97,687 km (0.081 R)
• M2: 341,682 km (0.098 R)
• M3: 620,981 km (0.094 R)
• M4: 927,507 km (0.1 R)
• M5: 1,297,911 km (0.054 R)
• M6: 1,719,179 km (0.113 R)
• M7: 1,970,802 km (0.112 R)
• M8: 2,608,987 km (0.09 R)
• M9: 2,857,170 km (0.117 R)
• M10: 3,401,706 km (0.101 R)
• M11: 3,827,910 km (0.069 R)
• M12: 4,177,521 km (0.086 R)
• M13: 4,971,885 km (0.091 R)
• M14: 6,365,389 km (0.085 R)
• M15: 6,779,776 km (0.066 R)
• M16: 8,440,312 km (0.092 R)
• M17: 8,710,785 km (0.098 R)
• M18: 10,202,276 km (0.106 R)
• M19: 10,457,938 km (0.097 R)
• M20: 11,413,719 km (0.079 R)
• M21: 13,620,886 km (0.114 R)
• M22: 15,285,611 km (0.049 R)
• M23: 16,867,459 km (0.027 R)
• M24: 22,781,661 km (0.047 R)
• M25: 23,751,205 km (0.09 R)
• M26: 27,607,988 km (0.045 R)
• M27: 28,608,349 km (0.11 R)
• M28: 31,537,475 km (0.048 R)
• M29: 33,186,193 km (0.093 R)
• M30: 35,355,811 km (0.091 R)
• M31: 37,254,956 km (0.102 R)
• M32: 46,366,514 km (0.115 R)
• M33: 46,927,805 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 102.4

Radius: 4.6

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 6.65 AU - 7.55 AU

Year: 12411 Days

Day: 23.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,378,832 km

• M1: 170,691 km (0.072 R)
• M2: 340,485 km (0.091 R)
• M3: 572,511 km (0.09 R)
• M4: 1,009,038 km (0.115 R)
• M5: 1,261,260 km (0.076 R)
• M6: 1,976,337 km (0.11 R)
• M7: 2,967,423 km (0.106 R)
• M8: 4,180,064 km (0.056 R)
• M9: 4,522,044 km (0.094 R)
• M10: 11,463,834 km (0.036 R)
• M11: 13,706,007 km (0.111 R)
• M12: 19,566,055 km (0.075 R)
• M13: 25,276,355 km (0.105 R)
• M14: 25,435,827 km (0.114 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 18,642 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit