🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.3

Radius: 13.6

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.99 AU - 1.35 AU

Year: 817 Days

Day: 12 Hours

Environment

Temp: -170 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,436,003 km

• M1: 181,761 km (0.092 R)
• M2: 1,020,108 km (0.092 R)
• M3: 1,599,949 km (0.048 R)
• M4: 2,272,990 km (0.117 R)
• M5: 3,219,496 km (0.081 R)
• M6: 3,711,822 km (0.058 R)
• M7: 5,240,713 km (0.077 R)
• M8: 5,906,274 km (0.079 R)
• M9: 6,606,392 km (0.11 R)
• M10: 7,043,666 km (0.102 R)
• M11: 8,575,100 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.6

Radius: 12.3

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.62 AU - 1.9 AU

Year: 1508 Days

Day: 7.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 19,436,003 km

• M1: 153,039 km (0.111 R)
• M2: 598,840 km (0.039 R)
• M3: 984,354 km (0.118 R)
• M4: 1,464,414 km (0.039 R)
• M5: 2,351,230 km (0.097 R)
• M6: 4,148,050 km (0.093 R)
• M7: 4,608,662 km (0.044 R)
• M8: 5,297,859 km (0.082 R)
• M9: 6,961,088 km (0.116 R)
• M10: 7,727,029 km (0.07 R)
• M11: 8,886,562 km (0.102 R)
• M12: 9,426,910 km (0.048 R)
• M13: 10,056,866 km (0.103 R)
• M14: 10,573,727 km (0.117 R)
• M15: 11,000,081 km (0.061 R)
• M16: 12,116,081 km (0.099 R)
• M17: 12,981,505 km (0.086 R)
• M18: 14,184,870 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.3

Radius: 13.6

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.64 AU - 2.06 AU

Year: 1625 Days

Day: 13.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 19,436,003 km

• M1: 170,841 km (0.047 R)
• M2: 647,310 km (0.055 R)
• M3: 1,441,076 km (0.078 R)
• M4: 2,514,441 km (0.063 R)
• M5: 2,984,029 km (0.096 R)
• M6: 3,662,754 km (0.091 R)
• M7: 4,214,322 km (0.045 R)
• M8: 5,007,938 km (0.107 R)
• M9: 5,441,024 km (0.062 R)
• M10: 6,041,660 km (0.102 R)
• M11: 7,052,193 km (0.114 R)
• M12: 8,470,231 km (0.098 R)
• M13: 9,183,215 km (0.092 R)
• M14: 9,868,672 km (0.094 R)
• M15: 10,800,069 km (0.115 R)
• M16: 11,379,162 km (0.1 R)
• M17: 11,902,755 km (0.112 R)
• M18: 12,958,168 km (0.099 R)
• M19: 14,117,701 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.1

Radius: 14.8

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.35 AU - 3.25 AU

Year: 3025 Days

Day: 5 Hours

Environment

Temp: -204 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 19,436,003 km

• M1: 188,942 km (0.076 R)
• M2: 663,616 km (0.12 R)
• M3: 1,130,810 km (0.117 R)
• M4: 1,774,231 km (0.111 R)
• M5: 2,721,933 km (0.101 R)
• M6: 3,516,896 km (0.036 R)
• M7: 4,353,597 km (0.067 R)
• M8: 4,839,342 km (0.095 R)
• M9: 5,766,400 km (0.116 R)
• M10: 6,907,831 km (0.075 R)
• M11: 7,467,028 km (0.096 R)
• M12: 8,222,647 km (0.114 R)
• M13: 9,088,519 km (0.09 R)
• M14: 9,761,411 km (0.071 R)
• M15: 10,599,308 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.1

Radius: 10.7

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.23 AU - 3.41 AU

Year: 3906 Days

Day: 7.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 19,436,003 km

• M1: 133,142 km (0.065 R)
• M2: 586,424 km (0.076 R)
• M3: 1,640,789 km (0.109 R)
• M4: 2,232,299 km (0.08 R)
• M5: 2,696,651 km (0.076 R)
• M6: 4,376,785 km (0.111 R)
• M7: 5,084,084 km (0.118 R)
• M8: 5,676,641 km (0.099 R)
• M9: 6,816,277 km (0.093 R)
• M10: 7,249,363 km (0.057 R)
• M11: 8,412,935 km (0.113 R)
• M12: 9,851,618 km (0.106 R)
• M13: 10,325,544 km (0.08 R)
• M14: 12,150,189 km (0.07 R)
• M15: 13,933,695 km (0.104 R)
• M16: 14,380,395 km (0.063 R)
• M17: 15,198,246 km (0.095 R)
• M18: 17,095,147 km (0.109 R)
• M19: 18,071,273 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.5

Radius: 11.9

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.11 AU - 4.15 AU

Year: 5419 Days

Day: 11.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 19,436,003 km

• M1: 150,495 km (0.078 R)
• M2: 1,040,453 km (0.087 R)
• M3: 3,068,552 km (0.1 R)
• M4: 3,853,192 km (0.06 R)
• M5: 5,109,964 km (0.096 R)
• M6: 6,456,794 km (0.086 R)
• M7: 10,939,195 km (0.099 R)
• M8: 13,837,354 km (0.105 R)
• M9: 17,159,474 km (0.115 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 549 - 15,830 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit