🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.3

Radius: 10

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.64 AU - 0.78 AU

Year: 392 Days

Day: 5.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,945,868 km

• M1: 124,316 km (0.114 R)
• M2: 452,833 km (0.037 R)
• M3: 779,405 km (0.113 R)
• M4: 1,167,911 km (0.117 R)
• M5: 1,519,166 km (0.056 R)
• M6: 2,043,058 km (0.086 R)
• M7: 2,683,786 km (0.119 R)
• M8: 3,407,839 km (0.102 R)
• M9: 3,822,226 km (0.094 R)
• M10: 4,486,440 km (0.113 R)
• M11: 4,868,214 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.9

Radius: 9.8

Gravity: 9.27 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.85 AU - 1.21 AU

Year: 686 Days

Day: 7.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,945,868 km

• M1: 136,134 km (0.049 R)
• M2: 461,509 km (0.075 R)
• M3: 1,119,890 km (0.054 R)
• M4: 1,655,600 km (0.058 R)
• M5: 2,141,643 km (0.035 R)
• M6: 3,201,394 km (0.039 R)
• M7: 4,051,260 km (0.095 R)
• M8: 4,579,191 km (0.094 R)
• M9: 5,098,295 km (0.096 R)
• M10: 5,428,308 km (0.105 R)
• M11: 5,870,819 km (0.062 R)
• M12: 7,230,065 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.6

Radius: 8.1

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.56 AU - 2.02 AU

Year: 1571 Days

Day: 14 Hours

Environment

Temp: -180 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,945,868 km

• M1: 100,679 km (0.091 R)
• M2: 356,193 km (0.087 R)
• M3: 615,296 km (0.089 R)
• M4: 962,812 km (0.105 R)
• M5: 1,323,044 km (0.106 R)
• M6: 1,781,860 km (0.079 R)
• M7: 2,121,447 km (0.055 R)
• M8: 2,516,535 km (0.089 R)
• M9: 3,299,381 km (0.119 R)
• M10: 3,986,185 km (0.104 R)
• M11: 4,326,670 km (0.066 R)
• M12: 5,509,839 km (0.095 R)
• M13: 7,308,155 km (0.034 R)
• M14: 7,628,444 km (0.114 R)
• M15: 9,341,639 km (0.083 R)
• M16: 9,719,224 km (0.08 R)
• M17: 10,707,767 km (0.116 R)
• M18: 11,438,702 km (0.103 R)
• M19: 11,944,193 km (0.116 R)
• M20: 12,806,775 km (0.088 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182.6

Radius: 4.7

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.46 AU - 7.64 AU

Year: 10997 Days

Day: 17.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,945,868 km

• M1: 58,493 km (0.053 R)
• M2: 535,112 km (0.115 R)
• M3: 3,801,282 km (0.12 R)
• M4: 4,998,364 km (0.072 R)
• M5: 5,398,688 km (0.083 R)
• M6: 14,290,486 km (0.099 R)
• M7: 17,429,349 km (0.075 R)
• M8: 19,994,055 km (0.111 R)
• M9: 22,264,053 km (0.117 R)
• M10: 22,799,314 km (0.073 R)
• M11: 27,569,840 km (0.114 R)
• M12: 27,833,282 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 27.3

Radius: 4.3

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.75 AU - 9.03 AU

Year: 14539 Days

Day: 23.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,945,868 km

• M1: 54,005 km (0.064 R)
• M2: 295,456 km (0.113 R)
• M3: 884,572 km (0.049 R)
• M4: 1,425,219 km (0.073 R)
• M5: 2,752,750 km (0.034 R)
• M6: 3,017,539 km (0.12 R)
• M7: 6,614,619 km (0.101 R)
• M8: 7,491,712 km (0.086 R)
• M9: 10,465,717 km (0.097 R)
• M10: 15,434,611 km (0.096 R)
• M11: 19,719,393 km (0.062 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 345.5

Radius: 5.7

Gravity: 10.63 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 6.42 AU - 10.32 AU

Year: 15885 Days

Day: 23.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 51,945,868 km

• M1: 71,957 km (0.111 R)
• M2: 334,800 km (0.107 R)
• M3: 623,225 km (0.077 R)
• M4: 931,097 km (0.107 R)
• M5: 1,616,255 km (0.106 R)
• M6: 1,835,267 km (0.115 R)
• M7: 2,074,025 km (0.09 R)
• M8: 3,077,527 km (0.046 R)
• M9: 3,390,935 km (0.036 R)
• M10: 3,805,471 km (0.068 R)
• M11: 7,074,334 km (0.099 R)
• M12: 7,491,861 km (0.052 R)
• M13: 8,468,287 km (0.086 R)
• M14: 8,987,092 km (0.111 R)
• M15: 12,614,541 km (0.082 R)
• M16: 14,648,324 km (0.102 R)
• M17: 16,310,207 km (0.095 R)
• M18: 16,598,931 km (0.09 R)
• M19: 18,247,948 km (0.108 R)
• M20: 20,085,758 km (0.049 R)
• M21: 22,307,735 km (0.058 R)
• M22: 24,499,344 km (0.118 R)
• M23: 25,068,863 km (0.091 R)
• M24: 26,432,149 km (0.087 R)
• M25: 26,630,815 km (0.066 R)
• M26: 28,360,316 km (0.087 R)
• M27: 41,528,219 km (0.069 R)
• M28: 44,969,868 km (0.117 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: 422 - 12,718 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit