🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.54 AU - 0.8 AU

Year: 349 Days

Day: 46.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 48.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.05 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.6

Radius: 13.7

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.07 AU - 1.77 AU

Year: 1076 Days

Day: 9.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,987,690 km

• M1: 170,392 km (0.079 R)
• M2: 662,719 km (0.072 R)
• M3: 1,171,351 km (0.105 R)
• M4: 1,866,682 km (0.113 R)
• M5: 2,478,089 km (0.103 R)
• M6: 2,958,148 km (0.083 R)
• M7: 3,611,143 km (0.083 R)
• M8: 5,065,085 km (0.102 R)
• M9: 6,043,754 km (0.073 R)
• M10: 6,749,557 km (0.117 R)
• M11: 8,104,614 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37

Radius: 15

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.26 AU - 1.62 AU

Year: 1099 Days

Day: 8.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 97.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 85,987,690 km

• M1: 187,745 km (0.09 R)
• M2: 665,112 km (0.12 R)
• M3: 1,174,493 km (0.074 R)
• M4: 2,114,267 km (0.114 R)
• M5: 3,158,460 km (0.105 R)
• M6: 3,809,809 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.2

Radius: 13.6

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.63 AU - 3.89 AU

Year: 3742 Days

Day: 12.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,987,690 km

• M1: 169,195 km (0.038 R)
• M2: 1,215,034 km (0.072 R)
• M3: 1,969,306 km (0.115 R)
• M4: 3,147,988 km (0.086 R)
• M5: 4,055,897 km (0.075 R)
• M6: 4,929,100 km (0.098 R)
• M7: 6,257,978 km (0.114 R)
• M8: 10,296,223 km (0.099 R)
• M9: 14,898,751 km (0.087 R)
• M10: 16,059,780 km (0.095 R)
• M11: 17,280,349 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468

Radius: 12.6

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.98 AU - 4.12 AU

Year: 4253 Days

Day: 13.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,987,690 km

• M1: 156,629 km (0.12 R)
• M2: 688,599 km (0.075 R)
• M3: 1,348,326 km (0.066 R)
• M4: 2,619,160 km (0.088 R)
• M5: 5,435,040 km (0.102 R)
• M6: 5,864,237 km (0.109 R)
• M7: 6,432,708 km (0.057 R)
• M8: 7,483,484 km (0.063 R)
• M9: 13,767,342 km (0.095 R)
• M10: 14,164,226 km (0.102 R)
• M11: 15,667,535 km (0.096 R)
• M12: 16,374,983 km (0.047 R)
• M13: 17,217,518 km (0.067 R)
• M14: 18,867,433 km (0.067 R)
• M15: 20,620,570 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.6

Radius: 14.7

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.43 AU - 3.89 AU

Year: 4452 Days

Day: 14.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 85,987,690 km

• M1: 183,257 km (0.062 R)
• M2: 700,118 km (0.109 R)
• M3: 1,419,534 km (0.103 R)
• M4: 2,277,478 km (0.03 R)
• M5: 4,273,862 km (0.046 R)
• M6: 5,156,788 km (0.111 R)
• M7: 5,771,935 km (0.04 R)
• M8: 7,562,472 km (0.064 R)
• M9: 8,739,059 km (0.108 R)
• M10: 9,699,328 km (0.029 R)
• M11: 11,501,383 km (0.116 R)
• M12: 14,043,201 km (0.028 R)
• M13: 15,759,986 km (0.048 R)
• M14: 16,579,782 km (0.1 R)
• M15: 17,551,121 km (0.099 R)
• M16: 18,753,589 km (0.083 R)
• M17: 20,145,896 km (0.09 R)
• M18: 22,765,056 km (0.03 R)
• M19: 23,435,105 km (0.11 R)
• M20: 24,118,169 km (0.037 R)
• M21: 25,844,079 km (0.057 R)
• M22: 27,399,748 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.4

Radius: 13.8

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.56 AU - 3.88 AU

Year: 4562 Days

Day: 14.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 85,987,690 km

• M1: 171,738 km (0.084 R)
• M2: 715,826 km (0.073 R)
• M3: 1,272,479 km (0.096 R)
• M4: 1,756,728 km (0.111 R)
• M5: 2,311,736 km (0.075 R)
• M6: 3,597,380 km (0.105 R)
• M7: 4,253,815 km (0.062 R)
• M8: 5,411,853 km (0.118 R)
• M9: 6,384,089 km (0.081 R)
• M10: 8,741,901 km (0.057 R)
• M11: 9,607,624 km (0.116 R)
• M12: 12,337,187 km (0.12 R)
• M13: 14,343,593 km (0.074 R)
• M14: 16,871,199 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 770.1

Radius: 6.4

Gravity: 18.8 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 9.71 AU - 11.95 AU

Year: 22661 Days

Day: 20.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,987,690 km

• M1: 79,885 km (0.084 R)
• M2: 597,494 km (0.049 R)
• M3: 2,541,069 km (0.079 R)
• M4: 3,223,385 km (0.109 R)
• M5: 3,669,037 km (0.062 R)
• M6: 4,982,058 km (0.11 R)
• M7: 7,298,282 km (0.083 R)
• M8: 7,907,893 km (0.078 R)
• M9: 8,387,055 km (0.057 R)
• M10: 10,002,114 km (0.099 R)
• M11: 10,436,097 km (0.063 R)
• M12: 11,408,483 km (0.111 R)
• M13: 15,166,382 km (0.066 R)
• M14: 17,102,777 km (0.119 R)
• M15: 24,220,793 km (0.106 R)
• M16: 35,459,183 km (0.119 R)
• M17: 46,073,751 km (0.113 R)
• M18: 50,273,711 km (0.055 R)
• M19: 57,041,369 km (0.046 R)
• M20: 71,661,419 km (0.069 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: 166 - 16,531 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit