🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.4

Radius: 12.4

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.41 AU - 0.61 AU

Year: 251 Days

Day: 12.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 14,488,846 km

• M1: 154,235 km (0.078 R)
• M2: 567,874 km (0.114 R)
• M3: 958,922 km (0.117 R)
• M4: 1,699,581 km (0.067 R)
• M5: 2,143,438 km (0.115 R)
• M6: 2,937,653 km (0.113 R)
• M7: 3,323,765 km (0.074 R)
• M8: 3,790,062 km (0.076 R)
• M9: 4,389,501 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.8

Radius: 11.4

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.46 AU - 0.68 AU

Year: 297 Days

Day: 8.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 14,488,846 km

• M1: 141,968 km (0.079 R)
• M2: 498,460 km (0.113 R)
• M3: 870,061 km (0.078 R)
• M4: 1,449,603 km (0.119 R)
• M5: 1,917,396 km (0.117 R)
• M6: 2,413,911 km (0.057 R)
• M7: 3,448,530 km (0.086 R)
• M8: 3,873,238 km (0.083 R)
• M9: 4,857,293 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881

Radius: 9.8

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.61 AU - 0.63 AU

Year: 337 Days

Day: 10.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 14,488,846 km

• M1: 121,922 km (0.093 R)
• M2: 444,605 km (0.102 R)
• M3: 843,882 km (0.107 R)
• M4: 1,164,470 km (0.093 R)
• M5: 1,476,681 km (0.118 R)
• M6: 1,961,078 km (0.117 R)
• M7: 2,320,113 km (0.086 R)
• M8: 2,635,017 km (0.077 R)
• M9: 3,216,953 km (0.089 R)
• M10: 3,550,855 km (0.108 R)
• M11: 3,920,511 km (0.079 R)
• M12: 4,288,821 km (0.105 R)
• M13: 5,156,339 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.6

Radius: 9.6

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.82 AU - 0.92 AU

Year: 560 Days

Day: 13.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 14,488,846 km

• M1: 119,529 km (0.086 R)
• M2: 570,117 km (0.074 R)
• M3: 885,619 km (0.075 R)
• M4: 1,521,710 km (0.089 R)
• M5: 1,907,223 km (0.11 R)
• M6: 2,269,848 km (0.067 R)
• M7: 2,832,935 km (0.062 R)
• M8: 3,258,092 km (0.081 R)
• M9: 3,644,653 km (0.112 R)
• M10: 4,357,337 km (0.081 R)
• M11: 4,958,870 km (0.101 R)
• M12: 5,401,680 km (0.057 R)
• M13: 5,760,116 km (0.082 R)
• M14: 6,386,184 km (0.053 R)
• M15: 6,746,565 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.4

Radius: 13.1

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.93 AU - 1.09 AU

Year: 701 Days

Day: 10.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 14,488,846 km

• M1: 168,447 km (0.042 R)
• M2: 761,902 km (0.115 R)
• M3: 1,206,208 km (0.118 R)
• M4: 1,703,770 km (0.097 R)
• M5: 2,139,998 km (0.095 R)
• M6: 2,804,062 km (0.114 R)
• M7: 3,510,464 km (0.112 R)
• M8: 4,151,042 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.4

Radius: 13.1

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.5 AU - 1.54 AU

Year: 1294 Days

Day: 9.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 14,488,846 km

• M1: 179,368 km (0.094 R)
• M2: 769,681 km (0.09 R)
• M3: 3,209,772 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.6

Radius: 11.4

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.7 AU - 2.6 AU

Year: 2176 Days

Day: 8.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 14,488,846 km

• M1: 146,606 km (0.118 R)
• M2: 520,601 km (0.118 R)
• M3: 909,705 km (0.064 R)
• M4: 3,321,671 km (0.119 R)
• M5: 4,738,363 km (0.026 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.9

Radius: 9.4

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.86 AU - 2.82 AU

Year: 2471 Days

Day: 13.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 14,488,846 km

• M1: 117,285 km (0.108 R)
• M2: 532,718 km (0.082 R)
• M3: 956,379 km (0.116 R)
• M4: 1,409,212 km (0.117 R)
• M5: 1,716,336 km (0.092 R)
• M6: 2,305,303 km (0.09 R)
• M7: 2,600,460 km (0.089 R)
• M8: 2,979,391 km (0.071 R)
• M9: 3,427,437 km (0.08 R)
• M10: 3,796,794 km (0.119 R)
• M11: 4,858,789 km (0.071 R)
• M12: 7,069,098 km (0.1 R)
• M13: 7,365,451 km (0.12 R)
• M14: 8,157,721 km (0.108 R)
• M15: 10,282,909 km (0.038 R)
• M16: 10,805,005 km (0.117 R)
• M17: 12,792,563 km (0.078 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 14,393 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit