🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.2

Radius: 11.4

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.59 AU - 0.89 AU

Year: 405 Days

Day: 5.4 Hours

Environment

Temp: -134 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,035,622 km

• M1: 141,819 km (0.108 R)
• M2: 526,585 km (0.093 R)
• M3: 1,216,829 km (0.113 R)
• M4: 1,685,968 km (0.051 R)
• M5: 2,117,857 km (0.098 R)
• M6: 4,449,340 km (0.106 R)
• M7: 4,985,499 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.4

Radius: 9.3

Gravity: 10.27 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.66 AU - 0.9 AU

Year: 438 Days

Day: 6.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,035,622 km

• M1: 115,639 km (0.106 R)
• M2: 674,088 km (0.069 R)
• M3: 1,081,593 km (0.068 R)
• M4: 1,650,813 km (0.077 R)
• M5: 2,166,177 km (0.058 R)
• M6: 2,566,950 km (0.109 R)
• M7: 3,108,195 km (0.075 R)
• M8: 3,493,409 km (0.115 R)
• M9: 3,923,952 km (0.119 R)
• M10: 4,463,103 km (0.083 R)
• M11: 5,181,173 km (0.071 R)
• M12: 6,083,248 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.5

Radius: 14.5

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.87 AU - 1.13 AU

Year: 636 Days

Day: 9.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,035,622 km

• M1: 180,265 km (0.111 R)
• M2: 639,232 km (0.119 R)
• M3: 1,127,968 km (0.116 R)
• M4: 1,663,379 km (0.119 R)
• M5: 2,196,994 km (0.052 R)
• M6: 2,811,692 km (0.117 R)
• M7: 3,487,874 km (0.064 R)
• M8: 5,151,552 km (0.056 R)
• M9: 5,644,926 km (0.086 R)
• M10: 6,645,437 km (0.082 R)
• M11: 7,339,870 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.1

Radius: 12.8

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.43 AU - 2.25 AU

Year: 1587 Days

Day: 9.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,035,622 km

• M1: 159,471 km (0.1 R)
• M2: 579,841 km (0.063 R)
• M3: 1,230,442 km (0.089 R)
• M4: 1,646,624 km (0.084 R)
• M5: 2,352,427 km (0.114 R)
• M6: 2,752,900 km (0.111 R)
• M7: 3,225,779 km (0.1 R)
• M8: 3,885,805 km (0.095 R)
• M9: 4,288,672 km (0.079 R)
• M10: 4,823,035 km (0.119 R)
• M11: 6,963,332 km (0.07 R)
• M12: 7,897,421 km (0.056 R)
• M13: 9,072,812 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.8

Radius: 10.1

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.54 AU - 2.88 AU

Year: 2837 Days

Day: 13.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 22,035,622 km

• M1: 125,662 km (0.117 R)
• M2: 468,241 km (0.104 R)
• M3: 794,813 km (0.032 R)
• M4: 1,337,106 km (0.12 R)
• M5: 1,795,174 km (0.104 R)
• M6: 2,192,357 km (0.074 R)
• M7: 3,064,064 km (0.067 R)
• M8: 3,486,678 km (0.092 R)
• M9: 4,028,521 km (0.095 R)
• M10: 6,406,828 km (0.114 R)
• M11: 7,622,311 km (0.085 R)
• M12: 8,638,828 km (0.031 R)
• M13: 9,020,452 km (0.115 R)
• M14: 9,449,649 km (0.083 R)
• M15: 10,310,285 km (0.066 R)
• M16: 12,317,290 km (0.039 R)
• M17: 15,364,449 km (0.097 R)
• M18: 18,138,592 km (0.096 R)
• M19: 18,881,046 km (0.075 R)
• M20: 19,822,615 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.2

Radius: 8.2

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.72 AU - 2.76 AU

Year: 2884 Days

Day: 10.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 22,035,622 km

• M1: 102,026 km (0.05 R)
• M2: 374,443 km (0.097 R)
• M3: 677,080 km (0.054 R)
• M4: 1,181,524 km (0.085 R)
• M5: 2,645,489 km (0.093 R)
• M6: 3,115,226 km (0.083 R)
• M7: 3,754,907 km (0.077 R)
• M8: 5,933,800 km (0.112 R)
• M9: 6,538,474 km (0.119 R)
• M10: 7,397,615 km (0.086 R)
• M11: 8,098,032 km (0.117 R)
• M12: 8,498,356 km (0.033 R)
• M13: 8,841,833 km (0.065 R)
• M14: 9,816,163 km (0.101 R)
• M15: 10,156,349 km (0.117 R)
• M16: 10,820,264 km (0.079 R)
• M17: 11,471,464 km (0.114 R)
• M18: 15,224,575 km (0.097 R)
• M19: 15,989,918 km (0.07 R)
• M20: 16,408,493 km (0.115 R)
• M21: 17,431,892 km (0.12 R)
• M22: 18,842,450 km (0.101 R)
• M23: 19,724,479 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.4

Radius: 12.8

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.68 AU - 3.72 AU

Year: 3640 Days

Day: 13.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 22,035,622 km

• M1: 159,172 km (0.079 R)
• M2: 649,853 km (0.062 R)
• M3: 1,205,609 km (0.077 R)
• M4: 1,947,465 km (0.049 R)
• M5: 2,812,590 km (0.099 R)
• M6: 4,471,780 km (0.045 R)
• M7: 5,076,005 km (0.099 R)
• M8: 5,474,534 km (0.064 R)
• M9: 5,920,934 km (0.119 R)
• M10: 6,477,139 km (0.113 R)
• M11: 7,159,904 km (0.088 R)
• M12: 7,566,810 km (0.094 R)
• M13: 9,168,554 km (0.032 R)
• M14: 10,904,189 km (0.119 R)
• M15: 11,871,489 km (0.117 R)
• M16: 13,264,843 km (0.084 R)
• M17: 14,416,298 km (0.064 R)
• M18: 16,160,310 km (0.095 R)
• M19: 17,361,282 km (0.034 R)
• M20: 19,513,995 km (0.072 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 14,626 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit