🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.58 AU - 2.02 AU

Year: 861 Days

Day: 42 Hours

Environment

Temp: -45 °C

Axial Tilt: 3.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.39 AU - 2.23 AU

Year: 868 Days

Day: 25.3 Hours

Environment

Temp: -50 °C

Axial Tilt: 15.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,667,977 km

• M1: 319,092 km (0.065 R)

Asteroid Belt

Center: 3.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.3

Radius: 12.8

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.54 AU - 6.1 AU

Year: 4374 Days

Day: 10.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,667,977 km

• M1: 159,172 km (0.067 R)
• M2: 755,918 km (0.105 R)
• M3: 1,236,576 km (0.064 R)
• M4: 2,348,836 km (0.12 R)
• M5: 3,495,653 km (0.115 R)
• M6: 4,673,437 km (0.099 R)
• M7: 6,411,166 km (0.028 R)
• M8: 7,763,681 km (0.046 R)
• M9: 8,469,184 km (0.096 R)
• M10: 9,016,114 km (0.105 R)
• M11: 9,669,857 km (0.106 R)
• M12: 10,620,252 km (0.042 R)
• M13: 16,750,773 km (0.064 R)
• M14: 17,302,340 km (0.095 R)
• M15: 17,802,895 km (0.045 R)
• M16: 18,832,876 km (0.09 R)
• M17: 19,766,516 km (0.113 R)
• M18: 22,529,888 km (0.101 R)
• M19: 23,051,835 km (0.092 R)
• M20: 25,864,873 km (0.117 R)
• M21: 27,777,482 km (0.078 R)
• M22: 28,550,903 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.9

Radius: 13.3

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.46 AU - 6.84 AU

Year: 4787 Days

Day: 5.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,667,977 km

• M1: 165,455 km (0.068 R)
• M2: 623,973 km (0.115 R)
• M3: 1,206,058 km (0.071 R)
• M4: 1,662,631 km (0.106 R)
• M5: 2,129,526 km (0.083 R)
• M6: 2,940,795 km (0.056 R)
• M7: 4,715,474 km (0.097 R)
• M8: 5,878,748 km (0.061 R)
• M9: 6,349,382 km (0.092 R)
• M10: 7,474,358 km (0.098 R)
• M11: 9,011,177 km (0.054 R)
• M12: 9,510,984 km (0.068 R)
• M13: 10,657,652 km (0.101 R)
• M14: 12,344,367 km (0.087 R)
• M15: 13,545,788 km (0.104 R)
• M16: 14,823,803 km (0.105 R)
• M17: 17,172,190 km (0.068 R)
• M18: 18,269,790 km (0.083 R)
• M19: 19,004,465 km (0.115 R)
• M20: 22,368,173 km (0.08 R)
• M21: 24,390,138 km (0.054 R)
• M22: 25,859,488 km (0.12 R)
• M23: 27,300,863 km (0.099 R)
• M24: 30,250,485 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294

Radius: 15

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 6.55 AU - 8.55 AU

Year: 7395 Days

Day: 7.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,667,977 km

• M1: 186,549 km (0.081 R)
• M2: 1,011,880 km (0.085 R)
• M3: 1,811,481 km (0.108 R)
• M4: 3,859,027 km (0.096 R)
• M5: 4,365,415 km (0.059 R)
• M6: 5,048,031 km (0.087 R)
• M7: 6,189,911 km (0.052 R)
• M8: 11,662,800 km (0.094 R)
• M9: 14,021,808 km (0.041 R)
• M10: 15,172,665 km (0.102 R)
• M11: 18,357,005 km (0.082 R)
• M12: 18,938,941 km (0.09 R)
• M13: 21,963,361 km (0.108 R)
• M14: 24,356,029 km (0.065 R)
• M15: 25,856,346 km (0.111 R)
• M16: 27,501,325 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.1

Radius: 11.3

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 6.97 AU - 10.81 AU

Year: 9448 Days

Day: 12.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,667,977 km

• M1: 141,071 km (0.113 R)
• M2: 715,377 km (0.115 R)
• M3: 1,926,821 km (0.05 R)
• M4: 2,480,034 km (0.068 R)
• M5: 2,857,170 km (0.105 R)
• M6: 3,412,327 km (0.111 R)
• M7: 5,229,642 km (0.1 R)
• M8: 6,530,695 km (0.104 R)
• M9: 10,608,883 km (0.115 R)
• M10: 11,998,198 km (0.058 R)
• M11: 15,134,966 km (0.112 R)
• M12: 16,337,583 km (0.1 R)
• M13: 18,333,369 km (0.067 R)
• M14: 18,781,265 km (0.074 R)
• M15: 22,717,933 km (0.118 R)
• M16: 23,148,176 km (0.114 R)
• M17: 27,755,791 km (0.095 R)
• M18: 28,247,668 km (0.089 R)
• M19: 31,535,082 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.2

Radius: 14

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 10.88 AU - 11.1 AU

Year: 12986 Days

Day: 10.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,667,977 km

• M1: 174,132 km (0.092 R)
• M2: 639,082 km (0.115 R)
• M3: 2,743,775 km (0.086 R)
• M4: 3,640,763 km (0.092 R)
• M5: 4,404,311 km (0.049 R)
• M6: 5,028,134 km (0.084 R)
• M7: 6,212,052 km (0.072 R)
• M8: 6,785,460 km (0.106 R)
• M9: 7,620,216 km (0.045 R)
• M10: 9,025,090 km (0.111 R)
• M11: 11,178,402 km (0.065 R)
• M12: 13,520,356 km (0.079 R)
• M13: 16,711,279 km (0.094 R)
• M14: 17,421,121 km (0.072 R)
• M15: 18,900,943 km (0.059 R)
• M16: 20,374,183 km (0.12 R)
• M17: 24,743,488 km (0.096 R)
• M18: 25,666,058 km (0.107 R)
• M19: 27,579,714 km (0.086 R)
• M20: 29,473,024 km (0.112 R)
• M21: 30,393,351 km (0.085 R)
• M22: 33,641,420 km (0.073 R)
• M23: 35,542,509 km (0.102 R)
• M24: 39,558,015 km (0.104 R)
• M25: 44,313,732 km (0.049 R)
• M26: 50,247,232 km (0.066 R)
• M27: 58,472,572 km (0.094 R)
• M28: 59,742,508 km (0.093 R)
• M29: 60,845,643 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 265.3

Radius: 3.8

Gravity: 18.37 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 17.99 AU - 18.83 AU

Year: 28156 Days

Day: 21.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,667,977 km

• M1: 47,273 km (0.067 R)
• M2: 259,552 km (0.118 R)
• M3: 1,592,021 km (0.07 R)
• M4: 2,061,758 km (0.089 R)
• M5: 3,032,199 km (0.078 R)
• M6: 4,604,024 km (0.101 R)
• M7: 5,621,290 km (0.074 R)
• M8: 7,092,435 km (0.094 R)
• M9: 13,631,059 km (0.077 R)
• M10: 14,201,027 km (0.113 R)
• M11: 15,464,381 km (0.057 R)
• M12: 17,044,433 km (0.062 R)
• M13: 18,212,494 km (0.088 R)
• M14: 23,117,808 km (0.032 R)
• M15: 25,602,329 km (0.102 R)
• M16: 26,578,156 km (0.115 R)
• M17: 30,609,071 km (0.096 R)
• M18: 34,242,803 km (0.111 R)
• M19: 41,755,458 km (0.077 R)
• M20: 43,714,891 km (0.103 R)
• M21: 44,329,888 km (0.073 R)
• M22: 44,950,719 km (0.09 R)
• M23: 47,491,789 km (0.117 R)
• M24: 51,480,517 km (0.082 R)
• M25: 53,556,038 km (0.093 R)
• M26: 56,228,005 km (0.095 R)
• M27: 58,614,391 km (0.117 R)
• M28: 62,610,598 km (0.117 R)
• M29: 65,774,444 km (0.115 R)

Kuiper Belt

Range: 30.8 - 47.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 530 - 13,601 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit