🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.41 AU - 0.59 AU

Year: 232 Days

Day: 13.2 Hours

Environment

Temp: -119 °C

Axial Tilt: 24.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.2

Radius: 8.4

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.74 AU - 0.96 AU

Year: 514 Days

Day: 9.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,083,448 km

• M1: 104,419 km (0.054 R)
• M2: 400,473 km (0.101 R)
• M3: 750,383 km (0.11 R)
• M4: 1,062,294 km (0.115 R)
• M5: 1,447,659 km (0.04 R)
• M6: 1,875,060 km (0.084 R)
• M7: 2,186,822 km (0.076 R)
• M8: 3,349,496 km (0.1 R)
• M9: 3,947,589 km (0.109 R)
• M10: 4,753,921 km (0.086 R)
• M11: 5,171,449 km (0.041 R)
• M12: 5,492,037 km (0.102 R)
• M13: 6,061,706 km (0.106 R)
• M14: 6,399,199 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698

Radius: 8.2

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.1 AU - 1.24 AU

Year: 830 Days

Day: 12.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,083,448 km

• M1: 102,624 km (0.092 R)
• M2: 375,042 km (0.11 R)
• M3: 661,372 km (0.106 R)
• M4: 968,347 km (0.114 R)
• M5: 1,299,108 km (0.078 R)
• M6: 1,687,614 km (0.102 R)
• M7: 2,043,208 km (0.063 R)
• M8: 2,549,148 km (0.056 R)
• M9: 3,096,975 km (0.081 R)
• M10: 3,946,841 km (0.115 R)
• M11: 4,230,029 km (0.102 R)
• M12: 5,676,641 km (0.106 R)
• M13: 6,079,508 km (0.073 R)
• M14: 6,785,759 km (0.075 R)
• M15: 7,356,475 km (0.099 R)
• M16: 8,083,072 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.2

Radius: 14.5

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.08 AU - 1.38 AU

Year: 895 Days

Day: 9.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,083,448 km

• M1: 180,415 km (0.109 R)
• M2: 755,619 km (0.093 R)
• M3: 1,765,255 km (0.08 R)
• M4: 2,216,143 km (0.05 R)
• M5: 3,624,308 km (0.068 R)
• M6: 4,304,529 km (0.111 R)
• M7: 5,420,828 km (0.086 R)
• M8: 6,253,789 km (0.11 R)
• M9: 6,827,348 km (0.109 R)
• M10: 7,346,751 km (0.098 R)
• M11: 7,915,822 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.2

Radius: 14.5

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.31 AU - 1.97 AU

Year: 1378 Days

Day: 11 Hours

Environment

Temp: -187 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,083,448 km

• M1: 180,864 km (0.097 R)
• M2: 654,640 km (0.045 R)
• M3: 1,132,905 km (0.082 R)
• M4: 1,866,233 km (0.09 R)
• M5: 2,365,292 km (0.109 R)
• M6: 2,853,430 km (0.032 R)
• M7: 3,339,623 km (0.112 R)
• M8: 3,927,842 km (0.099 R)
• M9: 4,498,857 km (0.112 R)
• M10: 5,257,168 km (0.1 R)
• M11: 5,953,098 km (0.101 R)
• M12: 8,337,538 km (0.088 R)

Asteroid Belt

Center: 2 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.7

Radius: 8.8

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.1 AU - 2.62 AU

Year: 2378 Days

Day: 7.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,083,448 km

• M1: 109,655 km (0.118 R)
• M2: 394,190 km (0.036 R)
• M3: 901,327 km (0.112 R)
• M4: 1,421,928 km (0.081 R)
• M5: 2,054,577 km (0.084 R)
• M6: 2,822,762 km (0.115 R)
• M7: 3,837,036 km (0.115 R)
• M8: 4,759,007 km (0.047 R)
• M9: 5,580,300 km (0.075 R)
• M10: 6,421,040 km (0.069 R)
• M11: 6,934,609 km (0.059 R)
• M12: 7,501,735 km (0.114 R)
• M13: 8,905,412 km (0.063 R)
• M14: 9,389,510 km (0.105 R)
• M15: 10,148,420 km (0.101 R)
• M16: 12,334,793 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.7

Radius: 14.6

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.35 AU - 4.15 AU

Year: 4764 Days

Day: 8.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 66.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,083,448 km

• M1: 208,988 km (0.11 R)
• M2: 1,549,535 km (0.099 R)
• M3: 2,292,288 km (0.065 R)
• M4: 3,264,674 km (0.076 R)
• M5: 4,096,289 km (0.1 R)
• M6: 4,651,746 km (0.103 R)
• M7: 6,237,184 km (0.118 R)
• M8: 8,028,768 km (0.102 R)
• M9: 8,492,073 km (0.071 R)
• M10: 10,372,817 km (0.041 R)
• M11: 12,872,298 km (0.102 R)
• M12: 16,479,103 km (0.117 R)
• M13: 20,041,028 km (0.087 R)
• M14: 20,650,191 km (0.101 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.3

Radius: 9.9

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.06 AU - 5.44 AU

Year: 6791 Days

Day: 9 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,083,448 km

• M1: 123,119 km (0.05 R)
• M2: 598,691 km (0.105 R)
• M3: 923,916 km (0.107 R)
• M4: 2,262,817 km (0.101 R)
• M5: 2,634,419 km (0.049 R)
• M6: 3,570,602 km (0.115 R)
• M7: 3,977,209 km (0.118 R)
• M8: 6,529,049 km (0.104 R)
• M9: 8,767,931 km (0.108 R)
• M10: 12,634,737 km (0.025 R)
• M11: 15,431,619 km (0.104 R)
• M12: 19,187,722 km (0.08 R)
• M13: 19,696,355 km (0.111 R)
• M14: 20,438,659 km (0.105 R)
• M15: 21,743,153 km (0.04 R)
• M16: 25,030,267 km (0.088 R)
• M17: 27,887,736 km (0.104 R)
• M18: 30,757,771 km (0.03 R)
• M19: 34,454,933 km (0.077 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.4

Radius: 8.4

Gravity: 10.21 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.81 AU - 6.31 AU

Year: 8600 Days

Day: 8.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 44,083,448 km

• M1: 104,419 km (0.116 R)
• M2: 712,385 km (0.057 R)
• M3: 1,210,696 km (0.06 R)
• M4: 1,532,032 km (0.103 R)
• M5: 2,055,475 km (0.089 R)
• M6: 2,442,335 km (0.069 R)
• M7: 2,713,257 km (0.048 R)
• M8: 3,247,770 km (0.107 R)
• M9: 3,699,555 km (0.057 R)
• M10: 4,006,081 km (0.115 R)
• M11: 4,329,662 km (0.065 R)
• M12: 4,877,489 km (0.098 R)
• M13: 5,701,324 km (0.081 R)
• M14: 6,288,197 km (0.058 R)
• M15: 6,839,016 km (0.106 R)
• M16: 15,844,958 km (0.119 R)
• M17: 17,925,864 km (0.031 R)
• M18: 18,289,536 km (0.063 R)
• M19: 20,417,865 km (0.065 R)
• M20: 24,087,950 km (0.094 R)
• M21: 27,208,562 km (0.12 R)
• M22: 27,592,430 km (0.116 R)
• M23: 29,264,934 km (0.105 R)
• M24: 32,379,412 km (0.112 R)
• M25: 34,462,113 km (0.1 R)
• M26: 35,024,751 km (0.081 R)
• M27: 35,937,747 km (0.09 R)
• M28: 37,811,011 km (0.12 R)
• M29: 39,625,334 km (0.118 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 12,403 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit