🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.2

Radius: 8.2

Gravity: 12.63 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.73 AU - 1.05 AU

Year: 551 Days

Day: 14.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,438,952 km

• M1: 102,026 km (0.118 R)
• M2: 388,356 km (0.104 R)
• M3: 658,380 km (0.075 R)
• M4: 935,585 km (0.101 R)
• M5: 1,253,331 km (0.099 R)
• M6: 1,514,379 km (0.103 R)
• M7: 1,975,589 km (0.094 R)
• M8: 2,283,761 km (0.097 R)
• M9: 2,613,026 km (0.078 R)
• M10: 3,367,747 km (0.101 R)
• M11: 3,685,792 km (0.083 R)
• M12: 4,490,928 km (0.079 R)
• M13: 5,232,784 km (0.095 R)
• M14: 6,034,928 km (0.081 R)
• M15: 7,043,068 km (0.103 R)
• M16: 7,454,163 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.4

Radius: 14

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.64 AU - 3.9 AU

Year: 3879 Days

Day: 7.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,438,952 km

• M1: 174,132 km (0.092 R)
• M2: 702,362 km (0.111 R)
• M3: 2,157,800 km (0.048 R)
• M4: 2,669,574 km (0.107 R)
• M5: 4,213,125 km (0.092 R)
• M6: 7,866,454 km (0.11 R)
• M7: 8,446,894 km (0.074 R)
• M8: 9,370,960 km (0.111 R)
• M9: 10,882,198 km (0.091 R)
• M10: 12,023,779 km (0.077 R)
• M11: 13,650,955 km (0.103 R)
• M12: 14,490,798 km (0.115 R)
• M13: 15,814,888 km (0.097 R)
• M14: 16,389,943 km (0.117 R)
• M15: 16,859,979 km (0.1 R)
• M16: 18,074,415 km (0.11 R)
• M17: 19,805,561 km (0.084 R)
• M18: 22,354,260 km (0.092 R)
• M19: 23,819,422 km (0.111 R)
• M20: 24,423,049 km (0.109 R)
• M21: 25,504,043 km (0.106 R)
• M22: 26,215,680 km (0.118 R)
• M23: 26,778,318 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.6

Radius: 8.3

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.18 AU - 6.44 AU

Year: 9187 Days

Day: 11.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,438,952 km

• M1: 107,112 km (0.053 R)
• M2: 533,915 km (0.109 R)
• M3: 803,191 km (0.072 R)
• M4: 1,514,529 km (0.106 R)
• M5: 1,834,070 km (0.111 R)
• M6: 2,261,471 km (0.101 R)
• M7: 2,920,599 km (0.057 R)
• M8: 3,234,156 km (0.102 R)
• M9: 3,769,118 km (0.025 R)
• M10: 4,238,556 km (0.109 R)
• M11: 4,641,723 km (0.119 R)
• M12: 4,906,661 km (0.039 R)
• M13: 5,672,751 km (0.115 R)
• M14: 6,100,152 km (0.034 R)
• M15: 8,256,755 km (0.1 R)
• M16: 9,049,026 km (0.092 R)
• M17: 11,877,173 km (0.056 R)
• M18: 12,526,578 km (0.119 R)
• M19: 15,188,223 km (0.116 R)
• M20: 19,203,280 km (0.065 R)
• M21: 19,888,738 km (0.082 R)
• M22: 23,099,258 km (0.077 R)
• M23: 23,639,904 km (0.116 R)
• M24: 26,639,491 km (0.119 R)
• M25: 27,924,687 km (0.09 R)
• M26: 29,161,113 km (0.116 R)
• M27: 30,157,734 km (0.081 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 360.9

Radius: 7.4

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 5.96 AU - 8.42 AU

Year: 12647 Days

Day: 15.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,438,952 km

• M1: 92,003 km (0.084 R)
• M2: 325,974 km (0.047 R)
• M3: 756,516 km (0.09 R)
• M4: 3,993,665 km (0.091 R)
• M5: 4,432,884 km (0.085 R)
• M6: 4,783,093 km (0.051 R)
• M7: 7,366,199 km (0.059 R)
• M8: 7,942,301 km (0.093 R)
• M9: 11,390,083 km (0.089 R)
• M10: 13,742,659 km (0.045 R)
• M11: 14,678,693 km (0.095 R)
• M12: 20,005,125 km (0.117 R)
• M13: 24,823,074 km (0.111 R)
• M14: 25,741,306 km (0.114 R)
• M15: 27,742,776 km (0.103 R)
• M16: 36,085,400 km (0.109 R)
• M17: 39,322,997 km (0.12 R)
• M18: 42,618,788 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 445.7

Radius: 3.7

Gravity: 32.56 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 9.27 AU - 9.51 AU

Year: 18876 Days

Day: 21.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,438,952 km

• M1: 48,919 km (0.099 R)
• M2: 182,061 km (0.074 R)
• M3: 325,675 km (0.106 R)
• M4: 538,104 km (0.046 R)
• M5: 787,483 km (0.098 R)
• M6: 1,001,259 km (0.09 R)
• M7: 1,147,416 km (0.074 R)
• M8: 1,673,402 km (0.097 R)
• M9: 2,408,077 km (0.037 R)
• M10: 2,882,153 km (0.079 R)
• M11: 3,003,626 km (0.094 R)
• M12: 3,835,390 km (0.102 R)
• M13: 4,012,514 km (0.12 R)
• M14: 6,712,008 km (0.032 R)
• M15: 7,781,483 km (0.096 R)
• M16: 8,210,230 km (0.112 R)
• M17: 10,650,620 km (0.09 R)
• M18: 11,479,692 km (0.114 R)
• M19: 12,543,183 km (0.109 R)
• M20: 16,201,150 km (0.113 R)
• M21: 20,155,172 km (0.097 R)
• M22: 21,696,778 km (0.087 R)
• M23: 26,258,615 km (0.111 R)
• M24: 34,363,379 km (0.109 R)
• M25: 35,512,889 km (0.075 R)
• M26: 37,753,566 km (0.028 R)
• M27: 40,086,844 km (0.063 R)
• M28: 41,074,788 km (0.103 R)
• M29: 53,543,920 km (0.112 R)
• M30: 55,607,922 km (0.118 R)
• M31: 60,628,875 km (0.096 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: 316 - 11,498 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit