🌌 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: 54.1

Radius: 11.8

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.55 AU - 0.65 AU

Year: 315 Days

Day: 11.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 69,549,209 km

• M1: 146,756 km (0.089 R)
• M2: 577,149 km (0.114 R)
• M3: 999,763 km (0.115 R)
• M4: 1,481,019 km (0.071 R)
• M5: 1,945,670 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850

Radius: 12

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.59 AU - 0.61 AU

Year: 315 Days

Day: 10.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,549,209 km

• M1: 149,299 km (0.118 R)
• M2: 850,913 km (0.114 R)
• M3: 1,403,078 km (0.07 R)
• M4: 1,824,645 km (0.077 R)
• M5: 2,348,687 km (0.028 R)
• M6: 2,821,117 km (0.106 R)
• M7: 3,214,110 km (0.105 R)
• M8: 3,715,114 km (0.053 R)
• M9: 4,163,458 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.5

Radius: 12.7

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.67 AU - 0.79 AU

Year: 423 Days

Day: 10.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,549,209 km

• M1: 157,975 km (0.106 R)
• M2: 553,063 km (0.117 R)
• M3: 996,920 km (0.083 R)
• M4: 1,425,369 km (0.116 R)
• M5: 1,826,141 km (0.081 R)
• M6: 2,374,717 km (0.084 R)
• M7: 2,874,972 km (0.118 R)
• M8: 3,539,635 km (0.099 R)
• M9: 4,209,834 km (0.116 R)
• M10: 4,785,187 km (0.027 R)
• M11: 5,286,041 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.9

Radius: 13.9

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.6 AU - 2.26 AU

Year: 1819 Days

Day: 13.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,549,209 km

• M1: 173,085 km (0.05 R)
• M2: 784,042 km (0.102 R)
• M3: 1,558,062 km (0.039 R)
• M4: 2,020,768 km (0.105 R)
• M5: 2,564,108 km (0.109 R)
• M6: 3,917,220 km (0.082 R)
• M7: 4,676,878 km (0.057 R)
• M8: 5,202,864 km (0.104 R)
• M9: 6,100,003 km (0.082 R)
• M10: 7,402,103 km (0.117 R)
• M11: 8,679,968 km (0.117 R)
• M12: 9,356,599 km (0.075 R)
• M13: 11,600,118 km (0.118 R)
• M14: 12,095,885 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.7

Radius: 13.8

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.82 AU - 2.88 AU

Year: 3263 Days

Day: 12.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,549,209 km

• M1: 171,589 km (0.095 R)
• M2: 611,406 km (0.046 R)
• M3: 1,064,239 km (0.114 R)
• M4: 1,862,194 km (0.08 R)
• M5: 2,359,757 km (0.089 R)
• M6: 2,946,480 km (0.101 R)
• M7: 3,590,199 km (0.075 R)
• M8: 4,719,364 km (0.11 R)
• M9: 5,794,374 km (0.069 R)
• M10: 6,273,686 km (0.118 R)
• M11: 9,536,715 km (0.104 R)
• M12: 10,909,126 km (0.065 R)
• M13: 12,828,616 km (0.093 R)
• M14: 13,993,385 km (0.101 R)
• M15: 14,652,962 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.1

Radius: 9.7

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.8 AU - 6.18 AU

Year: 7560 Days

Day: 12.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,549,209 km

• M1: 120,576 km (0.083 R)
• M2: 746,045 km (0.088 R)
• M3: 1,050,327 km (0.07 R)
• M4: 1,451,548 km (0.11 R)
• M5: 2,071,033 km (0.074 R)
• M6: 2,839,218 km (0.074 R)
• M7: 3,330,497 km (0.106 R)
• M8: 4,041,536 km (0.05 R)
• M9: 5,096,500 km (0.115 R)
• M10: 5,613,810 km (0.091 R)
• M11: 6,229,255 km (0.062 R)
• M12: 6,686,426 km (0.114 R)
• M13: 7,165,888 km (0.12 R)
• M14: 8,904,215 km (0.07 R)
• M15: 9,741,664 km (0.09 R)
• M16: 10,630,574 km (0.093 R)
• M17: 11,669,831 km (0.089 R)
• M18: 12,264,482 km (0.109 R)
• M19: 14,506,206 km (0.081 R)
• M20: 16,204,890 km (0.113 R)
• M21: 16,696,020 km (0.053 R)
• M22: 17,387,461 km (0.028 R)
• M23: 17,837,302 km (0.11 R)
• M24: 18,360,895 km (0.088 R)
• M25: 20,558,487 km (0.111 R)
• M26: 25,551,765 km (0.067 R)
• M27: 26,979,826 km (0.108 R)
• M28: 30,735,032 km (0.11 R)
• M29: 31,204,171 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834.1

Radius: 4.4

Gravity: 43.08 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 7.5 AU - 8.84 AU

Year: 15839 Days

Day: 25 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,549,209 km

• M1: 54,753 km (0.074 R)
• M2: 303,684 km (0.116 R)
• M3: 487,689 km (0.074 R)
• M4: 716,873 km (0.062 R)
• M5: 1,207,105 km (0.118 R)
• M6: 1,453,194 km (0.079 R)
• M7: 1,949,859 km (0.114 R)
• M8: 2,574,879 km (0.072 R)
• M9: 3,324,214 km (0.104 R)
• M10: 3,603,514 km (0.114 R)
• M11: 4,740,009 km (0.107 R)
• M12: 5,351,864 km (0.097 R)
• M13: 6,345,343 km (0.12 R)
• M14: 7,692,323 km (0.039 R)
• M15: 8,586,170 km (0.098 R)
• M16: 11,743,433 km (0.105 R)
• M17: 12,193,872 km (0.119 R)
• M18: 12,789,571 km (0.109 R)
• M19: 14,182,776 km (0.083 R)
• M20: 14,990,604 km (0.082 R)
• M21: 16,537,147 km (0.083 R)
• M22: 19,316,376 km (0.075 R)
• M23: 21,522,646 km (0.063 R)
• M24: 24,927,493 km (0.098 R)
• M25: 25,244,192 km (0.098 R)
• M26: 26,210,145 km (0.099 R)
• M27: 30,681,775 km (0.052 R)
• M28: 31,781,320 km (0.11 R)
• M29: 36,442,490 km (0.093 R)
• M30: 46,770,428 km (0.091 R)
• M31: 47,736,830 km (0.077 R)
• M32: 47,899,293 km (0.1 R)
• M33: 52,079,208 km (0.048 R)
• M34: 52,251,245 km (0.079 R)
• M35: 53,641,608 km (0.055 R)
• M36: 65,062,807 km (0.077 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: 293 - 11,819 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit