🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237

Radius: 11.3

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.53 AU - 0.69 AU

Year: 329 Days

Day: 7.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 21,255,576 km

• M1: 140,472 km (0.066 R)
• M2: 547,229 km (0.118 R)
• M3: 903,721 km (0.086 R)
• M4: 1,403,228 km (0.104 R)
• M5: 2,233,347 km (0.063 R)
• M6: 2,857,619 km (0.119 R)
• M7: 3,424,295 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.4

Radius: 13

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.1 AU - 1.18 AU

Year: 840 Days

Day: 5.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,255,576 km

• M1: 162,463 km (0.062 R)
• M2: 937,380 km (0.045 R)
• M3: 2,194,002 km (0.08 R)
• M4: 2,891,876 km (0.112 R)
• M5: 3,564,169 km (0.101 R)
• M6: 4,028,222 km (0.118 R)
• M7: 4,548,972 km (0.105 R)
• M8: 5,405,569 km (0.116 R)
• M9: 5,882,637 km (0.085 R)
• M10: 7,009,857 km (0.072 R)
• M11: 7,625,153 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.8

Radius: 13.7

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.59 AU - 1.81 AU

Year: 1530 Days

Day: 9 Hours

Environment

Temp: -201 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,255,576 km

• M1: 170,841 km (0.048 R)
• M2: 608,714 km (0.12 R)
• M3: 1,123,480 km (0.056 R)
• M4: 1,649,915 km (0.09 R)
• M5: 2,162,138 km (0.111 R)
• M6: 2,648,032 km (0.117 R)
• M7: 3,220,693 km (0.083 R)
• M8: 4,705,751 km (0.099 R)
• M9: 5,712,395 km (0.093 R)
• M10: 6,321,557 km (0.113 R)
• M11: 6,950,317 km (0.105 R)
• M12: 8,177,319 km (0.085 R)
• M13: 9,864,334 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.4

Radius: 8.3

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.82 AU - 2.84 AU

Year: 3286 Days

Day: 14.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 21,255,576 km

• M1: 103,372 km (0.086 R)
• M2: 455,974 km (0.09 R)
• M3: 1,136,794 km (0.11 R)
• M4: 1,800,410 km (0.115 R)
• M5: 2,391,621 km (0.088 R)
• M6: 2,661,945 km (0.039 R)
• M7: 3,021,877 km (0.114 R)
• M8: 3,384,053 km (0.078 R)
• M9: 4,462,654 km (0.12 R)
• M10: 4,894,543 km (0.051 R)
• M11: 5,170,850 km (0.094 R)
• M12: 5,929,910 km (0.061 R)
• M13: 6,290,142 km (0.104 R)
• M14: 6,761,076 km (0.099 R)
• M15: 10,840,610 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.7

Radius: 14.4

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.57 AU - 3.39 AU

Year: 3551 Days

Day: 9.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 21,255,576 km

• M1: 179,368 km (0.054 R)
• M2: 633,996 km (0.097 R)
• M3: 1,569,880 km (0.087 R)
• M4: 2,493,198 km (0.092 R)
• M5: 3,180,152 km (0.098 R)
• M6: 4,034,954 km (0.058 R)
• M7: 4,517,407 km (0.053 R)
• M8: 6,172,857 km (0.079 R)
• M9: 7,073,586 km (0.103 R)
• M10: 7,744,682 km (0.111 R)
• M11: 8,203,349 km (0.083 R)
• M12: 9,371,409 km (0.053 R)
• M13: 11,127,239 km (0.056 R)
• M14: 12,036,645 km (0.115 R)
• M15: 13,143,071 km (0.12 R)
• M16: 14,527,300 km (0.105 R)
• M17: 15,337,222 km (0.052 R)
• M18: 18,567,190 km (0.113 R)
• M19: 24,187,433 km (0.051 R)
• M20: 25,557,599 km (0.104 R)
• M21: 26,182,919 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469

Radius: 10.6

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.29 AU - 3.69 AU

Year: 3569 Days

Day: 13.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 21,255,576 km

• M1: 131,945 km (0.107 R)
• M2: 702,212 km (0.088 R)
• M3: 1,201,869 km (0.118 R)
• M4: 1,609,075 km (0.111 R)
• M5: 2,147,926 km (0.119 R)
• M6: 2,756,490 km (0.105 R)
• M7: 3,258,840 km (0.102 R)
• M8: 4,064,425 km (0.1 R)
• M9: 4,997,616 km (0.099 R)
• M10: 6,067,839 km (0.113 R)
• M11: 6,599,510 km (0.083 R)
• M12: 7,011,054 km (0.098 R)
• M13: 9,441,271 km (0.119 R)
• M14: 9,813,172 km (0.082 R)
• M15: 10,272,287 km (0.042 R)
• M16: 11,993,112 km (0.069 R)
• M17: 12,562,780 km (0.118 R)
• M18: 17,958,327 km (0.072 R)
• M19: 21,255,613 km (0.107 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 17,736 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit