🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.78 AU - 0.8 AU

Year: 300 Days

Day: 22.6 Hours

Environment

Temp: 3 °C

Axial Tilt: 31.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.82 AU - 1.98 AU

Year: 1120 Days

Day: 28.5 Hours

Environment

Temp: -109 °C

Axial Tilt: 124.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.4

Radius: 12.8

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.15 AU - 5.01 AU

Year: 3523 Days

Day: 6.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,052,054 km

• M1: 160,519 km (0.061 R)
• M2: 594,801 km (0.095 R)
• M3: 1,308,233 km (0.042 R)
• M4: 1,903,035 km (0.062 R)
• M5: 4,413,137 km (0.117 R)
• M6: 6,129,922 km (0.099 R)
• M7: 6,659,050 km (0.112 R)
• M8: 7,444,588 km (0.118 R)
• M9: 10,054,772 km (0.114 R)
• M10: 10,708,814 km (0.094 R)
• M11: 12,514,909 km (0.11 R)
• M12: 13,417,583 km (0.072 R)
• M13: 14,414,054 km (0.095 R)
• M14: 16,498,252 km (0.071 R)
• M15: 17,994,978 km (0.076 R)
• M16: 20,601,272 km (0.093 R)
• M17: 23,877,167 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.8

Radius: 8.8

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 7.47 AU - 10.63 AU

Year: 11639 Days

Day: 9.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,052,054 km

• M1: 109,506 km (0.099 R)
• M2: 862,133 km (0.099 R)
• M3: 1,193,342 km (0.119 R)
• M4: 1,764,507 km (0.097 R)
• M5: 3,131,233 km (0.108 R)
• M6: 4,976,972 km (0.118 R)
• M7: 5,565,490 km (0.092 R)
• M8: 5,994,387 km (0.077 R)
• M9: 10,703,129 km (0.1 R)
• M10: 11,006,215 km (0.084 R)
• M11: 13,998,770 km (0.038 R)
• M12: 16,875,089 km (0.089 R)
• M13: 20,663,655 km (0.097 R)
• M14: 25,428,646 km (0.086 R)
• M15: 27,260,472 km (0.082 R)
• M16: 30,070,369 km (0.065 R)
• M17: 32,117,167 km (0.082 R)
• M18: 35,694,501 km (0.107 R)
• M19: 36,714,459 km (0.039 R)
• M20: 40,498,388 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.3

Radius: 5.8

Gravity: 24.03 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 10.13 AU - 14.75 AU

Year: 18757 Days

Day: 15.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 40,052,054 km

• M1: 73,004 km (0.117 R)
• M2: 477,516 km (0.096 R)
• M3: 735,124 km (0.116 R)
• M4: 2,027,949 km (0.1 R)
• M5: 2,320,861 km (0.042 R)
• M6: 2,617,813 km (0.069 R)
• M7: 3,260,186 km (0.12 R)
• M8: 5,653,004 km (0.07 R)
• M9: 6,539,372 km (0.052 R)
• M10: 6,763,320 km (0.1 R)
• M11: 9,182,616 km (0.063 R)
• M12: 9,984,311 km (0.049 R)
• M13: 11,019,379 km (0.1 R)
• M14: 11,791,903 km (0.095 R)
• M15: 15,401,849 km (0.091 R)
• M16: 15,879,066 km (0.06 R)
• M17: 16,863,420 km (0.107 R)
• M18: 17,800,800 km (0.089 R)
• M19: 19,043,360 km (0.07 R)
• M20: 21,404,314 km (0.119 R)
• M21: 24,810,208 km (0.093 R)
• M22: 28,323,066 km (0.063 R)
• M23: 29,159,767 km (0.044 R)
• M24: 32,025,015 km (0.083 R)
• M25: 33,591,903 km (0.115 R)
• M26: 36,736,749 km (0.075 R)
• M27: 40,521,725 km (0.089 R)
• M28: 41,736,609 km (0.112 R)
• M29: 43,920,888 km (0.077 R)
• M30: 47,171,649 km (0.078 R)
• M31: 53,601,815 km (0.087 R)
• M32: 58,262,237 km (0.083 R)
• M33: 64,406,970 km (0.117 R)
• M34: 69,235,391 km (0.083 R)
• M35: 73,178,342 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 108.8

Radius: 4.6

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 12.28 AU - 12.96 AU

Year: 19165 Days

Day: 15.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 40,052,054 km

• M1: 58,792 km (0.057 R)
• M2: 589,565 km (0.115 R)
• M3: 752,028 km (0.116 R)
• M4: 1,053,019 km (0.117 R)
• M5: 1,343,389 km (0.12 R)
• M6: 2,357,363 km (0.106 R)
• M7: 3,975,563 km (0.087 R)
• M8: 4,908,007 km (0.105 R)
• M9: 5,208,100 km (0.073 R)
• M10: 5,425,167 km (0.111 R)
• M11: 5,745,905 km (0.043 R)
• M12: 5,977,931 km (0.087 R)
• M13: 7,118,615 km (0.091 R)
• M14: 7,309,202 km (0.111 R)
• M15: 9,315,011 km (0.063 R)
• M16: 9,868,523 km (0.093 R)
• M17: 10,201,378 km (0.098 R)
• M18: 10,990,208 km (0.091 R)
• M19: 11,765,873 km (0.111 R)
• M20: 14,799,418 km (0.08 R)
• M21: 15,172,515 km (0.113 R)
• M22: 15,488,316 km (0.092 R)
• M23: 22,433,397 km (0.113 R)
• M24: 22,678,738 km (0.086 R)
• M25: 23,174,655 km (0.097 R)
• M26: 23,847,097 km (0.099 R)
• M27: 28,252,306 km (0.088 R)
• M28: 33,595,343 km (0.05 R)
• M29: 33,809,268 km (0.12 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: 260 - 15,481 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit