🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.2

Radius: 12

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.81 AU - 1.11 AU

Year: 617 Days

Day: 14.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,375,449 km

• M1: 149,299 km (0.097 R)
• M2: 522,695 km (0.103 R)
• M3: 906,264 km (0.055 R)
• M4: 1,352,514 km (0.113 R)
• M5: 1,738,776 km (0.116 R)
• M6: 2,199,986 km (0.106 R)
• M7: 3,005,421 km (0.115 R)
• M8: 3,490,118 km (0.082 R)
• M9: 4,041,386 km (0.116 R)
• M10: 5,975,238 km (0.104 R)
• M11: 6,402,340 km (0.101 R)
• M12: 7,515,797 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279

Radius: 9

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.16 AU - 1.92 AU

Year: 1254 Days

Day: 14.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,375,449 km

• M1: 112,049 km (0.11 R)
• M2: 582,833 km (0.114 R)
• M3: 1,210,396 km (0.111 R)
• M4: 1,638,845 km (0.119 R)
• M5: 2,019,721 km (0.095 R)
• M6: 2,404,935 km (0.107 R)
• M7: 2,719,689 km (0.062 R)
• M8: 3,074,984 km (0.085 R)
• M9: 4,730,584 km (0.112 R)
• M10: 5,136,892 km (0.092 R)
• M11: 5,433,245 km (0.083 R)
• M12: 7,044,863 km (0.08 R)
• M13: 7,388,040 km (0.12 R)
• M14: 8,536,204 km (0.089 R)
• M15: 8,847,517 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.8

Radius: 14.7

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.91 AU - 2.47 AU

Year: 2126 Days

Day: 13.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,375,449 km

• M1: 183,108 km (0.081 R)
• M2: 715,975 km (0.079 R)
• M3: 1,192,295 km (0.046 R)
• M4: 1,865,934 km (0.068 R)
• M5: 3,353,236 km (0.114 R)
• M6: 5,261,208 km (0.099 R)
• M7: 5,731,842 km (0.12 R)
• M8: 6,572,732 km (0.076 R)
• M9: 7,033,942 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.4

Radius: 14.5

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.05 AU - 3.21 AU

Year: 2798 Days

Day: 8.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,375,449 km

• M1: 197,170 km (0.052 R)
• M2: 715,377 km (0.056 R)
• M3: 1,285,794 km (0.064 R)
• M4: 2,662,543 km (0.12 R)
• M5: 3,324,813 km (0.079 R)
• M6: 4,017,301 km (0.092 R)
• M7: 5,073,911 km (0.055 R)
• M8: 8,139,471 km (0.096 R)
• M9: 11,180,945 km (0.074 R)
• M10: 12,484,989 km (0.08 R)
• M11: 14,025,100 km (0.1 R)
• M12: 14,534,331 km (0.099 R)
• M13: 15,248,661 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.2

Radius: 10.3

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.7 AU - 3.14 AU

Year: 3273 Days

Day: 5.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 42,375,449 km

• M1: 128,355 km (0.089 R)
• M2: 811,718 km (0.081 R)
• M3: 1,334,563 km (0.095 R)
• M4: 1,663,080 km (0.081 R)
• M5: 1,993,541 km (0.079 R)
• M6: 3,299,231 km (0.093 R)
• M7: 3,766,426 km (0.088 R)
• M8: 4,434,978 km (0.065 R)
• M9: 5,079,895 km (0.101 R)
• M10: 6,149,220 km (0.108 R)
• M11: 6,556,875 km (0.069 R)
• M12: 7,589,998 km (0.038 R)
• M13: 8,266,928 km (0.07 R)
• M14: 8,728,138 km (0.083 R)
• M15: 9,244,101 km (0.111 R)
• M16: 10,664,383 km (0.08 R)
• M17: 11,601,016 km (0.085 R)
• M18: 12,591,653 km (0.085 R)
• M19: 15,314,035 km (0.069 R)
• M20: 16,953,328 km (0.113 R)
• M21: 18,346,683 km (0.089 R)
• M22: 18,949,263 km (0.085 R)
• M23: 20,321,375 km (0.111 R)
• M24: 21,228,237 km (0.109 R)
• M25: 22,983,918 km (0.095 R)
• M26: 23,402,493 km (0.117 R)
• M27: 23,755,095 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.8

Radius: 10.9

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.83 AU - 5.61 AU

Year: 6727 Days

Day: 6.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,375,449 km

• M1: 139,425 km (0.114 R)
• M2: 530,773 km (0.025 R)
• M3: 2,806,905 km (0.066 R)
• M4: 3,889,545 km (0.082 R)
• M5: 4,298,246 km (0.07 R)
• M6: 4,735,670 km (0.109 R)
• M7: 6,070,532 km (0.087 R)
• M8: 6,997,291 km (0.033 R)
• M9: 9,467,301 km (0.099 R)
• M10: 13,687,008 km (0.099 R)
• M11: 17,109,808 km (0.111 R)
• M12: 19,086,893 km (0.1 R)
• M13: 19,848,496 km (0.068 R)
• M14: 24,444,890 km (0.107 R)
• M15: 27,292,187 km (0.051 R)
• M16: 28,795,645 km (0.106 R)
• M17: 31,011,190 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.1

Radius: 9.5

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.86 AU - 4.9 AU

Year: 7072 Days

Day: 10.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,375,449 km

• M1: 118,332 km (0.108 R)
• M2: 872,006 km (0.03 R)
• M3: 1,185,114 km (0.111 R)
• M4: 2,362,450 km (0.064 R)
• M5: 2,671,220 km (0.115 R)
• M6: 3,542,178 km (0.107 R)
• M7: 4,361,825 km (0.098 R)
• M8: 7,293,345 km (0.066 R)
• M9: 8,534,708 km (0.12 R)
• M10: 9,999,720 km (0.077 R)
• M11: 14,243,812 km (0.095 R)
• M12: 18,269,939 km (0.107 R)
• M13: 21,413,140 km (0.094 R)
• M14: 22,157,689 km (0.077 R)
• M15: 26,734,935 km (0.11 R)
• M16: 27,598,114 km (0.076 R)
• M17: 30,299,104 km (0.049 R)
• M18: 32,291,598 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 324.8

Radius: 8

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 6.77 AU - 7.17 AU

Year: 12071 Days

Day: 15 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,375,449 km

• M1: 99,483 km (0.115 R)
• M2: 371,601 km (0.05 R)
• M3: 752,178 km (0.091 R)
• M4: 1,287,140 km (0.119 R)
• M5: 1,564,195 km (0.063 R)
• M6: 1,943,276 km (0.041 R)
• M7: 2,382,795 km (0.075 R)
• M8: 2,764,718 km (0.052 R)
• M9: 3,231,613 km (0.058 R)
• M10: 4,108,107 km (0.087 R)
• M11: 4,630,353 km (0.083 R)
• M12: 6,112,719 km (0.101 R)
• M13: 7,484,082 km (0.082 R)
• M14: 8,390,795 km (0.049 R)
• M15: 9,414,942 km (0.091 R)
• M16: 9,789,984 km (0.115 R)
• M17: 12,986,142 km (0.062 R)
• M18: 13,807,135 km (0.074 R)
• M19: 14,662,387 km (0.053 R)
• M20: 15,423,092 km (0.112 R)
• M21: 31,331,479 km (0.111 R)
• M22: 32,062,564 km (0.034 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: 381 - 20,118 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit