🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.54 AU - 0.56 AU

Year: 263 Days

Day: 34.9 Hours

Environment

Temp: -124 °C

Axial Tilt: 3.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,665,695 km

• M1: 179,517 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.5

Radius: 8.2

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.25 AU - 1.95 AU

Year: 1307 Days

Day: 5.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,665,695 km

• M1: 102,026 km (0.094 R)
• M2: 432,936 km (0.115 R)
• M3: 900,280 km (0.104 R)
• M4: 1,219,223 km (0.043 R)
• M5: 1,714,990 km (0.12 R)
• M6: 2,582,807 km (0.031 R)
• M7: 3,620,268 km (0.077 R)
• M8: 4,494,818 km (0.119 R)
• M9: 4,952,288 km (0.12 R)
• M10: 5,336,006 km (0.117 R)
• M11: 7,301,722 km (0.091 R)
• M12: 8,460,657 km (0.091 R)
• M13: 9,429,752 km (0.093 R)
• M14: 9,737,625 km (0.08 R)
• M15: 11,070,542 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.9

Radius: 13.9

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.56 AU - 1.76 AU

Year: 1381 Days

Day: 13.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,665,695 km

• M1: 172,935 km (0.043 R)
• M2: 750,832 km (0.113 R)
• M3: 3,017,987 km (0.12 R)
• M4: 3,819,533 km (0.115 R)
• M5: 5,124,625 km (0.077 R)
• M6: 6,088,633 km (0.047 R)
• M7: 6,590,833 km (0.071 R)
• M8: 10,627,433 km (0.051 R)
• M9: 11,597,425 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.6

Radius: 15

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.83 AU - 2.45 AU

Year: 2021 Days

Day: 5.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,665,695 km

• M1: 186,698 km (0.063 R)
• M2: 726,447 km (0.102 R)
• M3: 1,231,789 km (0.108 R)
• M4: 2,383,393 km (0.113 R)
• M5: 3,484,134 km (0.053 R)
• M6: 4,335,197 km (0.114 R)
• M7: 5,108,767 km (0.069 R)
• M8: 5,996,331 km (0.086 R)
• M9: 6,652,169 km (0.049 R)
• M10: 7,851,644 km (0.086 R)
• M11: 12,982,402 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.9

Radius: 9.8

Gravity: 9.86 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.68 AU - 3.2 AU

Year: 3255 Days

Day: 6.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,665,695 km

• M1: 122,371 km (0.098 R)
• M2: 460,911 km (0.088 R)
• M3: 1,285,195 km (0.069 R)
• M4: 1,601,894 km (0.068 R)
• M5: 1,958,236 km (0.069 R)
• M6: 2,666,283 km (0.051 R)
• M7: 3,360,118 km (0.093 R)
• M8: 4,037,198 km (0.103 R)
• M9: 5,233,532 km (0.106 R)
• M10: 6,027,747 km (0.027 R)
• M11: 6,349,233 km (0.097 R)
• M12: 8,168,193 km (0.116 R)
• M13: 9,197,277 km (0.101 R)
• M14: 9,862,988 km (0.101 R)
• M15: 10,476,788 km (0.085 R)
• M16: 11,159,403 km (0.066 R)
• M17: 11,600,866 km (0.075 R)
• M18: 12,145,851 km (0.055 R)
• M19: 15,617,868 km (0.06 R)
• M20: 16,338,930 km (0.097 R)
• M21: 16,793,558 km (0.069 R)
• M22: 20,021,880 km (0.087 R)
• M23: 21,543,589 km (0.065 R)
• M24: 23,642,298 km (0.098 R)
• M25: 24,741,244 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.2

Radius: 14.9

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.27 AU - 6.49 AU

Year: 8057 Days

Day: 11.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,665,695 km

• M1: 185,352 km (0.105 R)
• M2: 684,261 km (0.08 R)
• M3: 1,950,008 km (0.064 R)
• M4: 2,604,349 km (0.075 R)
• M5: 3,114,628 km (0.072 R)
• M6: 4,258,004 km (0.091 R)
• M7: 6,699,292 km (0.115 R)
• M8: 7,886,351 km (0.081 R)
• M9: 8,464,397 km (0.084 R)
• M10: 13,205,752 km (0.112 R)
• M11: 14,397,149 km (0.065 R)
• M12: 17,418,877 km (0.074 R)
• M13: 18,569,883 km (0.061 R)
• M14: 19,249,955 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149.8

Radius: 6.3

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 7.37 AU - 11.85 AU

Year: 19235 Days

Day: 17.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,665,695 km

• M1: 78,539 km (0.101 R)
• M2: 424,409 km (0.052 R)
• M3: 702,512 km (0.03 R)
• M4: 1,282,203 km (0.106 R)
• M5: 1,724,714 km (0.063 R)
• M6: 2,039,617 km (0.088 R)
• M7: 2,563,808 km (0.083 R)
• M8: 5,618,447 km (0.111 R)
• M9: 5,820,704 km (0.114 R)
• M10: 6,027,747 km (0.062 R)
• M11: 6,275,631 km (0.114 R)
• M12: 9,757,521 km (0.063 R)
• M13: 10,756,237 km (0.055 R)
• M14: 14,472,397 km (0.043 R)
• M15: 14,981,928 km (0.058 R)
• M16: 15,635,521 km (0.115 R)
• M17: 16,036,593 km (0.081 R)
• M18: 18,146,222 km (0.055 R)
• M19: 19,191,163 km (0.066 R)
• M20: 24,752,464 km (0.093 R)
• M21: 27,848,990 km (0.046 R)
• M22: 31,510,996 km (0.078 R)
• M23: 32,691,024 km (0.091 R)
• M24: 36,290,648 km (0.092 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 522 - 19,328 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit