🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456

Radius: 13.1

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.58 AU - 0.8 AU

Year: 396 Days

Day: 14 Hours

Environment

Temp: -157 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,173,988 km

• M1: 163,361 km (0.113 R)
• M2: 641,176 km (0.083 R)
• M3: 1,348,475 km (0.084 R)
• M4: 1,815,520 km (0.062 R)
• M5: 2,340,608 km (0.104 R)
• M6: 3,108,644 km (0.094 R)
• M7: 3,529,911 km (0.109 R)
• M8: 4,292,113 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.4

Radius: 13.9

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.99 AU - 1.13 AU

Year: 753 Days

Day: 12.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,173,988 km

• M1: 172,935 km (0.104 R)
• M2: 619,634 km (0.117 R)
• M3: 1,157,888 km (0.069 R)
• M4: 1,883,437 km (0.089 R)
• M5: 2,504,268 km (0.111 R)
• M6: 3,160,405 km (0.113 R)
• M7: 3,691,776 km (0.107 R)
• M8: 4,577,695 km (0.092 R)
• M9: 5,122,979 km (0.105 R)
• M10: 5,655,996 km (0.118 R)
• M11: 7,088,695 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.3

Radius: 10.3

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.02 AU - 1.28 AU

Year: 851 Days

Day: 12.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,173,988 km

• M1: 130,599 km (0.068 R)
• M2: 561,890 km (0.111 R)
• M3: 895,044 km (0.094 R)
• M4: 1,366,128 km (0.107 R)
• M5: 1,774,081 km (0.093 R)
• M6: 2,420,344 km (0.082 R)
• M7: 2,876,917 km (0.07 R)
• M8: 3,282,925 km (0.073 R)
• M9: 3,612,340 km (0.066 R)
• M10: 4,306,324 km (0.116 R)
• M11: 4,979,814 km (0.116 R)
• M12: 6,515,436 km (0.095 R)
• M13: 7,174,115 km (0.114 R)
• M14: 7,828,457 km (0.074 R)
• M15: 8,727,689 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.8

Radius: 15

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.14 AU - 1.22 AU

Year: 885 Days

Day: 8 Hours

Environment

Temp: -182 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,173,988 km

• M1: 186,549 km (0.114 R)
• M2: 656,136 km (0.118 R)
• M3: 1,163,871 km (0.082 R)
• M4: 1,759,121 km (0.073 R)
• M5: 2,336,868 km (0.053 R)
• M6: 3,628,945 km (0.097 R)
• M7: 4,153,286 km (0.12 R)
• M8: 4,645,163 km (0.114 R)
• M9: 6,139,048 km (0.113 R)
• M10: 7,651,333 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.6

Radius: 14.8

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.09 AU - 4.31 AU

Year: 4913 Days

Day: 10.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,173,988 km

• M1: 217,366 km (0.085 R)
• M2: 728,392 km (0.081 R)
• M3: 1,598,902 km (0.101 R)
• M4: 2,669,574 km (0.112 R)
• M5: 4,841,885 km (0.12 R)
• M6: 7,098,269 km (0.088 R)
• M7: 8,232,820 km (0.11 R)
• M8: 9,526,093 km (0.091 R)
• M9: 10,682,036 km (0.069 R)
• M10: 11,550,003 km (0.117 R)
• M11: 13,479,067 km (0.113 R)
• M12: 17,343,480 km (0.087 R)
• M13: 24,285,569 km (0.1 R)
• M14: 25,226,539 km (0.065 R)
• M15: 28,453,066 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.7

Radius: 8.8

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.4 AU - 4.76 AU

Year: 6766 Days

Day: 10.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 28,173,988 km

• M1: 109,506 km (0.076 R)
• M2: 578,495 km (0.073 R)
• M3: 1,166,115 km (0.059 R)
• M4: 1,464,862 km (0.085 R)
• M5: 2,403,589 km (0.112 R)
• M6: 2,895,018 km (0.059 R)
• M7: 3,365,204 km (0.1 R)
• M8: 3,861,719 km (0.064 R)
• M9: 4,724,600 km (0.108 R)
• M10: 6,089,531 km (0.043 R)
• M11: 6,827,796 km (0.119 R)
• M12: 7,255,048 km (0.115 R)
• M13: 8,241,945 km (0.07 R)
• M14: 8,644,363 km (0.117 R)
• M15: 9,841,745 km (0.092 R)
• M16: 10,762,071 km (0.102 R)
• M17: 12,667,349 km (0.062 R)
• M18: 13,755,674 km (0.056 R)
• M19: 18,874,614 km (0.038 R)
• M20: 21,026,878 km (0.119 R)
• M21: 26,069,224 km (0.069 R)
• M22: 28,457,255 km (0.103 R)
• M23: 30,508,092 km (0.102 R)
• M24: 30,891,212 km (0.044 R)
• M25: 34,279,006 km (0.115 R)
• M26: 34,901,482 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.9

Radius: 15

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 4.67 AU - 5.97 AU

Year: 8470 Days

Day: 13.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,173,988 km

• M1: 186,698 km (0.026 R)
• M2: 737,368 km (0.065 R)
• M3: 1,514,230 km (0.063 R)
• M4: 2,586,846 km (0.118 R)
• M5: 3,419,059 km (0.109 R)
• M6: 4,167,348 km (0.113 R)
• M7: 5,590,921 km (0.11 R)
• M8: 10,720,034 km (0.036 R)
• M9: 16,189,332 km (0.12 R)
• M10: 19,520,428 km (0.107 R)
• M11: 22,337,356 km (0.087 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 18,535 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit