🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.7

Radius: 9.1

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.55 AU - 0.89 AU

Year: 414 Days

Day: 7.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,265,959 km

• M1: 113,694 km (0.084 R)
• M2: 461,061 km (0.061 R)
• M3: 759,957 km (0.066 R)
• M4: 1,321,548 km (0.094 R)
• M5: 1,749,697 km (0.092 R)
• M6: 2,102,299 km (0.11 R)
• M7: 2,672,566 km (0.113 R)
• M8: 3,202,142 km (0.099 R)
• M9: 3,593,042 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292

Radius: 11.7

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.71 AU - 0.99 AU

Year: 532 Days

Day: 8 Hours

Environment

Temp: -162 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,265,959 km

• M1: 145,559 km (0.097 R)
• M2: 515,215 km (0.104 R)
• M3: 904,170 km (0.107 R)
• M4: 1,275,621 km (0.099 R)
• M5: 1,723,966 km (0.08 R)
• M6: 2,227,213 km (0.092 R)
• M7: 2,701,139 km (0.097 R)
• M8: 3,166,538 km (0.055 R)
• M9: 3,533,203 km (0.064 R)
• M10: 3,990,673 km (0.038 R)
• M11: 4,569,916 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.8

Radius: 8.3

Gravity: 12.2 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.8 AU - 0.92 AU

Year: 541 Days

Day: 8.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,265,959 km

• M1: 103,223 km (0.073 R)
• M2: 370,404 km (0.093 R)
• M3: 798,553 km (0.102 R)
• M4: 1,236,576 km (0.107 R)
• M5: 1,786,647 km (0.107 R)
• M6: 2,221,977 km (0.072 R)
• M7: 2,953,511 km (0.084 R)
• M8: 4,626,763 km (0.09 R)
• M9: 5,521,209 km (0.076 R)
• M10: 5,962,223 km (0.047 R)
• M11: 7,019,730 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.3

Radius: 9.1

Gravity: 10.45 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.35 AU - 1.69 AU

Year: 1271 Days

Day: 5.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,265,959 km

• M1: 113,545 km (0.117 R)
• M2: 398,230 km (0.09 R)
• M3: 820,096 km (0.069 R)
• M4: 1,131,259 km (0.103 R)
• M5: 1,612,964 km (0.082 R)
• M6: 2,960,392 km (0.084 R)
• M7: 3,549,209 km (0.097 R)
• M8: 4,053,803 km (0.111 R)
• M9: 4,529,225 km (0.069 R)
• M10: 6,111,073 km (0.078 R)
• M11: 7,892,484 km (0.108 R)
• M12: 8,575,997 km (0.077 R)
• M13: 8,872,351 km (0.109 R)
• M14: 10,191,953 km (0.073 R)
• M15: 12,297,693 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.4

Radius: 8.3

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.74 AU - 1.92 AU

Year: 1679 Days

Day: 8.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,265,959 km

• M1: 103,522 km (0.114 R)
• M2: 373,247 km (0.104 R)
• M3: 655,388 km (0.115 R)
• M4: 1,058,854 km (0.081 R)
• M5: 1,584,690 km (0.084 R)
• M6: 2,347,789 km (0.102 R)
• M7: 3,048,057 km (0.08 R)
• M8: 3,320,624 km (0.101 R)
• M9: 3,932,778 km (0.054 R)
• M10: 4,368,557 km (0.119 R)
• M11: 4,736,269 km (0.101 R)
• M12: 5,445,662 km (0.099 R)
• M13: 5,826,089 km (0.051 R)
• M14: 6,128,875 km (0.106 R)
• M15: 7,074,783 km (0.084 R)
• M16: 7,339,122 km (0.098 R)
• M17: 7,803,773 km (0.089 R)
• M18: 9,347,623 km (0.091 R)
• M19: 9,959,329 km (0.084 R)
• M20: 10,700,885 km (0.048 R)
• M21: 11,660,406 km (0.046 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.9

Radius: 11.1

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.54 AU - 3.82 AU

Year: 3846 Days

Day: 5.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,265,959 km

• M1: 141,669 km (0.099 R)
• M2: 572,511 km (0.057 R)
• M3: 1,377,198 km (0.099 R)
• M4: 2,974,754 km (0.092 R)
• M5: 4,320,087 km (0.113 R)
• M6: 4,695,279 km (0.025 R)
• M7: 5,287,088 km (0.112 R)
• M8: 8,398,574 km (0.098 R)
• M9: 9,637,544 km (0.117 R)
• M10: 14,715,793 km (0.081 R)
• M11: 19,738,541 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.6

Radius: 9.7

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.93 AU - 5.21 AU

Year: 6626 Days

Day: 12.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 41,265,959 km

• M1: 122,072 km (0.067 R)
• M2: 605,123 km (0.084 R)
• M3: 1,141,731 km (0.055 R)
• M4: 1,770,042 km (0.081 R)
• M5: 2,115,015 km (0.11 R)
• M6: 2,541,069 km (0.09 R)
• M7: 2,843,257 km (0.085 R)
• M8: 3,874,286 km (0.067 R)
• M9: 4,199,362 km (0.101 R)
• M10: 5,719,127 km (0.077 R)
• M11: 7,653,128 km (0.112 R)
• M12: 8,167,445 km (0.089 R)
• M13: 9,849,823 km (0.099 R)
• M14: 11,042,716 km (0.078 R)
• M15: 12,223,044 km (0.118 R)
• M16: 14,832,629 km (0.079 R)
• M17: 18,484,762 km (0.103 R)
• M18: 18,979,781 km (0.041 R)
• M19: 21,510,977 km (0.107 R)
• M20: 22,776,725 km (0.034 R)
• M21: 23,675,209 km (0.079 R)
• M22: 24,512,509 km (0.063 R)
• M23: 25,456,022 km (0.114 R)
• M24: 27,142,439 km (0.091 R)
• M25: 34,211,238 km (0.103 R)
• M26: 34,636,395 km (0.075 R)
• M27: 35,065,143 km (0.058 R)
• M28: 36,593,734 km (0.087 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.6

Radius: 13.7

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.85 AU - 5.65 AU

Year: 7022 Days

Day: 14.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 41,265,959 km

• M1: 171,888 km (0.05 R)
• M2: 629,807 km (0.079 R)
• M3: 1,109,567 km (0.105 R)
• M4: 1,756,279 km (0.06 R)
• M5: 2,609,436 km (0.078 R)
• M6: 3,153,374 km (0.093 R)
• M7: 3,700,004 km (0.07 R)
• M8: 5,731,693 km (0.114 R)
• M9: 6,551,040 km (0.11 R)
• M10: 7,884,257 km (0.106 R)
• M11: 9,483,159 km (0.102 R)
• M12: 10,829,839 km (0.115 R)
• M13: 11,549,404 km (0.084 R)
• M14: 13,256,466 km (0.102 R)
• M15: 15,895,073 km (0.044 R)
• M16: 16,757,355 km (0.103 R)
• M17: 18,939,838 km (0.12 R)
• M18: 20,444,643 km (0.077 R)
• M19: 22,436,240 km (0.092 R)
• M20: 23,521,423 km (0.08 R)
• M21: 24,206,581 km (0.113 R)
• M22: 25,706,449 km (0.1 R)
• M23: 27,549,645 km (0.026 R)
• M24: 29,380,723 km (0.043 R)
• M25: 30,477,275 km (0.065 R)
• M26: 36,486,771 km (0.036 R)
• M27: 37,405,152 km (0.052 R)
• M28: 37,870,103 km (0.07 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.6

Radius: 8

Gravity: 9.03 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.28 AU - 5.64 AU

Year: 7492 Days

Day: 14 Hours

Environment

Temp: -233 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 41,265,959 km

• M1: 99,483 km (0.108 R)
• M2: 485,445 km (0.111 R)
• M3: 917,334 km (0.068 R)
• M4: 1,177,485 km (0.044 R)
• M5: 1,589,777 km (0.12 R)
• M6: 1,896,303 km (0.045 R)
• M7: 2,859,713 km (0.109 R)
• M8: 3,187,332 km (0.093 R)
• M9: 3,749,521 km (0.094 R)
• M10: 5,998,575 km (0.115 R)
• M11: 6,926,681 km (0.092 R)
• M12: 7,219,294 km (0.036 R)
• M13: 7,519,986 km (0.073 R)
• M14: 8,639,427 km (0.097 R)
• M15: 9,282,847 km (0.104 R)
• M16: 9,593,861 km (0.087 R)
• M17: 9,865,980 km (0.065 R)
• M18: 11,304,662 km (0.06 R)
• M19: 12,338,384 km (0.084 R)
• M20: 14,063,247 km (0.079 R)
• M21: 15,196,600 km (0.088 R)
• M22: 15,691,470 km (0.118 R)
• M23: 17,174,434 km (0.078 R)
• M24: 17,508,785 km (0.078 R)
• M25: 20,045,965 km (0.039 R)
• M26: 22,979,280 km (0.094 R)
• M27: 24,045,315 km (0.041 R)
• M28: 26,187,107 km (0.092 R)
• M29: 32,855,732 km (0.098 R)
• M30: 36,358,566 km (0.101 R)
• M31: 36,799,431 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.9

Radius: 6.6

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 7.55 AU - 10.47 AU

Year: 18343 Days

Day: 17.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,265,959 km

• M1: 84,972 km (0.114 R)
• M2: 544,985 km (0.112 R)
• M3: 1,644,380 km (0.065 R)
• M4: 2,698,147 km (0.117 R)
• M5: 3,089,944 km (0.054 R)
• M6: 3,614,285 km (0.083 R)
• M7: 4,038,694 km (0.104 R)
• M8: 5,707,458 km (0.088 R)
• M9: 8,034,752 km (0.109 R)
• M10: 10,136,752 km (0.115 R)
• M11: 10,928,872 km (0.116 R)
• M12: 18,303,898 km (0.108 R)
• M13: 18,519,917 km (0.09 R)
• M14: 19,104,546 km (0.088 R)
• M15: 28,339,521 km (0.117 R)
• M16: 28,920,111 km (0.104 R)
• M17: 29,410,044 km (0.088 R)
• M18: 35,727,711 km (0.101 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 203 - 11,043 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit