🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.5

Radius: 8.8

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.57 AU - 0.63 AU

Year: 315 Days

Day: 9 Hours

Environment

Temp: -159 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 23,500,084 km

• M1: 109,805 km (0.073 R)
• M2: 416,780 km (0.114 R)
• M3: 699,819 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.8

Radius: 11.7

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.24 AU - 1.92 AU

Year: 1347 Days

Day: 6 Hours

Environment

Temp: -195 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 23,500,084 km

• M1: 145,559 km (0.113 R)
• M2: 671,395 km (0.087 R)
• M3: 1,162,824 km (0.087 R)
• M4: 1,809,985 km (0.111 R)
• M5: 2,323,105 km (0.041 R)
• M6: 3,794,849 km (0.112 R)
• M7: 4,436,474 km (0.097 R)
• M8: 4,837,397 km (0.113 R)
• M9: 7,410,331 km (0.074 R)
• M10: 8,155,328 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.9

Radius: 10.8

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.46 AU - 1.72 AU

Year: 1360 Days

Day: 6.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 159.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,500,084 km

• M1: 134,339 km (0.065 R)
• M2: 502,050 km (0.082 R)
• M3: 887,714 km (0.116 R)
• M4: 1,625,830 km (0.069 R)
• M5: 2,095,268 km (0.04 R)
• M6: 2,677,054 km (0.065 R)
• M7: 3,088,747 km (0.105 R)
• M8: 3,844,665 km (0.064 R)
• M9: 4,419,869 km (0.115 R)
• M10: 5,268,837 km (0.082 R)
• M11: 5,999,473 km (0.056 R)
• M12: 6,410,418 km (0.102 R)
• M13: 8,523,488 km (0.026 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.9

Radius: 10.5

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.42 AU - 3.16 AU

Year: 3161 Days

Day: 14.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,500,084 km

• M1: 135,835 km (0.113 R)
• M2: 489,634 km (0.032 R)
• M3: 822,938 km (0.063 R)
• M4: 1,194,240 km (0.081 R)
• M5: 1,946,119 km (0.095 R)
• M6: 2,343,301 km (0.055 R)
• M7: 2,694,258 km (0.118 R)
• M8: 3,319,876 km (0.079 R)
• M9: 3,676,368 km (0.085 R)
• M10: 4,692,287 km (0.067 R)
• M11: 6,831,836 km (0.118 R)
• M12: 8,514,662 km (0.04 R)
• M13: 9,154,492 km (0.047 R)
• M14: 12,968,639 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.9

Radius: 9.5

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.23 AU - 3.67 AU

Year: 3437 Days

Day: 7.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 23,500,084 km

• M1: 118,332 km (0.115 R)
• M2: 427,102 km (0.045 R)
• M3: 1,023,249 km (0.078 R)
• M4: 1,558,959 km (0.12 R)
• M5: 1,862,045 km (0.082 R)
• M6: 2,314,429 km (0.072 R)
• M7: 3,496,252 km (0.089 R)
• M8: 4,534,162 km (0.037 R)
• M9: 5,950,255 km (0.12 R)
• M10: 6,586,495 km (0.117 R)
• M11: 7,085,254 km (0.112 R)
• M12: 7,864,510 km (0.065 R)
• M13: 8,358,781 km (0.092 R)
• M14: 9,300,799 km (0.057 R)
• M15: 15,096,968 km (0.079 R)
• M16: 16,597,285 km (0.085 R)
• M17: 17,744,103 km (0.091 R)
• M18: 18,942,830 km (0.088 R)
• M19: 19,295,133 km (0.077 R)
• M20: 19,952,167 km (0.096 R)
• M21: 20,378,072 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 295.4

Radius: 6.2

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 5.81 AU - 6.43 AU

Year: 10269 Days

Day: 20.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 23,500,084 km

• M1: 77,043 km (0.08 R)
• M2: 274,213 km (0.113 R)
• M3: 490,531 km (0.109 R)
• M4: 686,953 km (0.043 R)
• M5: 964,906 km (0.116 R)
• M6: 2,111,424 km (0.094 R)
• M7: 2,448,917 km (0.098 R)
• M8: 2,900,703 km (0.042 R)
• M9: 3,104,754 km (0.068 R)
• M10: 3,944,896 km (0.095 R)
• M11: 4,457,717 km (0.059 R)
• M12: 4,730,285 km (0.03 R)
• M13: 6,097,160 km (0.045 R)
• M14: 7,179,800 km (0.098 R)
• M15: 7,747,375 km (0.08 R)
• M16: 8,885,964 km (0.1 R)
• M17: 9,406,565 km (0.109 R)
• M18: 9,719,523 km (0.118 R)
• M19: 10,178,490 km (0.099 R)
• M20: 10,460,930 km (0.028 R)
• M21: 14,268,944 km (0.058 R)
• M22: 15,225,323 km (0.102 R)
• M23: 17,532,422 km (0.049 R)
• M24: 18,558,962 km (0.12 R)
• M25: 21,878,389 km (0.091 R)
• M26: 23,472,953 km (0.108 R)
• M27: 30,823,594 km (0.099 R)
• M28: 31,315,771 km (0.051 R)
• M29: 35,443,775 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 51.6

Radius: 4.7

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.93 AU - 8.03 AU

Year: 12508 Days

Day: 15.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,500,084 km

• M1: 64,028 km (0.105 R)
• M2: 281,842 km (0.099 R)
• M3: 530,175 km (0.074 R)
• M4: 1,004,400 km (0.092 R)
• M5: 1,170,454 km (0.097 R)
• M6: 3,790,810 km (0.119 R)
• M7: 5,836,561 km (0.057 R)
• M8: 9,634,851 km (0.042 R)
• M9: 17,090,510 km (0.112 R)
• M10: 18,193,345 km (0.093 R)
• M11: 19,841,016 km (0.062 R)
• M12: 20,156,668 km (0.066 R)
• M13: 22,324,789 km (0.117 R)
• M14: 22,529,290 km (0.079 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 20,256 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit