🌌 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: 792.7

Radius: 12.5

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.59 AU - 0.85 AU

Year: 422 Days

Day: 5 Hours

Environment

Temp: -160 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,048,492 km

• M1: 155,432 km (0.066 R)
• M2: 704,157 km (0.074 R)
• M3: 1,149,360 km (0.071 R)
• M4: 1,551,031 km (0.034 R)
• M5: 2,336,420 km (0.102 R)
• M6: 3,062,717 km (0.112 R)
• M7: 3,752,962 km (0.088 R)
• M8: 4,315,899 km (0.12 R)
• M9: 4,919,077 km (0.109 R)
• M10: 5,412,152 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.3

Radius: 13.1

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.72 AU - 0.96 AU

Year: 531 Days

Day: 13.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,048,492 km

• M1: 162,912 km (0.115 R)
• M2: 603,777 km (0.116 R)
• M3: 1,070,822 km (0.051 R)
• M4: 1,630,916 km (0.083 R)
• M5: 2,720,437 km (0.09 R)
• M6: 3,584,365 km (0.094 R)
• M7: 4,221,951 km (0.104 R)
• M8: 4,777,258 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.4

Radius: 14.6

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.83 AU - 1.29 AU

Year: 753 Days

Day: 7.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,048,492 km

• M1: 181,612 km (0.076 R)
• M2: 710,889 km (0.077 R)
• M3: 1,188,106 km (0.117 R)
• M4: 1,805,796 km (0.063 R)
• M5: 2,284,060 km (0.037 R)
• M6: 2,802,267 km (0.056 R)
• M7: 3,283,524 km (0.042 R)
• M8: 3,891,489 km (0.081 R)
• M9: 4,936,281 km (0.07 R)
• M10: 5,700,726 km (0.099 R)
• M11: 6,400,395 km (0.116 R)
• M12: 7,534,347 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.1

Radius: 10.9

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.95 AU - 1.99 AU

Year: 1909 Days

Day: 5.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,048,492 km

• M1: 135,536 km (0.104 R)
• M2: 481,406 km (0.077 R)
• M3: 879,635 km (0.096 R)
• M4: 1,412,353 km (0.089 R)
• M5: 2,474,349 km (0.098 R)
• M6: 2,887,837 km (0.081 R)
• M7: 3,380,762 km (0.107 R)
• M8: 5,695,191 km (0.092 R)
• M9: 6,240,924 km (0.047 R)
• M10: 7,013,148 km (0.081 R)
• M11: 7,494,853 km (0.072 R)
• M12: 8,089,654 km (0.118 R)
• M13: 8,683,558 km (0.105 R)
• M14: 9,888,718 km (0.104 R)
• M15: 11,278,333 km (0.097 R)
• M16: 11,940,453 km (0.087 R)
• M17: 13,774,972 km (0.057 R)
• M18: 14,351,223 km (0.093 R)
• M19: 15,128,982 km (0.077 R)
• M20: 16,031,207 km (0.112 R)
• M21: 16,668,943 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.1

Radius: 8

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.58 AU - 2.46 AU

Year: 1982 Days

Day: 11.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,048,492 km

• M1: 99,782 km (0.102 R)
• M2: 865,124 km (0.114 R)
• M3: 1,705,715 km (0.051 R)
• M4: 2,052,483 km (0.088 R)
• M5: 2,414,809 km (0.088 R)
• M6: 3,557,437 km (0.074 R)
• M7: 4,449,789 km (0.086 R)
• M8: 5,233,532 km (0.102 R)
• M9: 5,893,558 km (0.098 R)
• M10: 6,184,526 km (0.077 R)
• M11: 6,587,393 km (0.078 R)
• M12: 7,423,346 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.6

Radius: 11.5

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.54 AU - 2.68 AU

Year: 2911 Days

Day: 14.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,048,492 km

• M1: 143,315 km (0.119 R)
• M2: 525,986 km (0.05 R)
• M3: 1,440,029 km (0.061 R)
• M4: 1,931,458 km (0.087 R)
• M5: 2,576,823 km (0.091 R)
• M6: 3,800,534 km (0.026 R)
• M7: 4,596,395 km (0.059 R)
• M8: 5,749,794 km (0.109 R)
• M9: 6,518,278 km (0.075 R)
• M10: 6,970,812 km (0.112 R)
• M11: 7,444,140 km (0.112 R)
• M12: 8,002,439 km (0.085 R)
• M13: 10,104,439 km (0.085 R)
• M14: 11,183,338 km (0.118 R)
• M15: 11,586,654 km (0.04 R)
• M16: 12,681,262 km (0.079 R)
• M17: 14,308,887 km (0.082 R)
• M18: 15,221,883 km (0.099 R)
• M19: 17,593,308 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.3

Radius: 11

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.7 AU - 4.42 AU

Year: 4636 Days

Day: 12.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,048,492 km

• M1: 136,882 km (0.108 R)
• M2: 528,230 km (0.07 R)
• M3: 1,037,760 km (0.109 R)
• M4: 1,824,645 km (0.057 R)
• M5: 5,772,982 km (0.098 R)
• M6: 6,332,029 km (0.053 R)
• M7: 6,961,088 km (0.115 R)
• M8: 9,100,487 km (0.077 R)
• M9: 9,601,491 km (0.113 R)
• M10: 9,945,566 km (0.098 R)
• M11: 10,522,415 km (0.12 R)
• M12: 11,262,924 km (0.107 R)
• M13: 12,539,742 km (0.109 R)
• M14: 12,951,436 km (0.107 R)
• M15: 13,965,560 km (0.101 R)
• M16: 14,974,298 km (0.027 R)
• M17: 15,614,278 km (0.116 R)
• M18: 16,762,441 km (0.071 R)
• M19: 17,325,677 km (0.094 R)
• M20: 20,192,421 km (0.101 R)
• M21: 22,146,020 km (0.098 R)
• M22: 23,906,937 km (0.087 R)
• M23: 26,847,731 km (0.064 R)
• M24: 28,848,154 km (0.102 R)
• M25: 30,574,065 km (0.119 R)
• M26: 31,133,112 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.9

Radius: 8

Gravity: 13.62 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.08 AU - 6.42 AU

Year: 9517 Days

Day: 24.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 52,048,492 km

• M1: 100,530 km (0.119 R)
• M2: 354,697 km (0.057 R)
• M3: 1,236,426 km (0.076 R)
• M4: 1,682,378 km (0.097 R)
• M5: 2,420,344 km (0.085 R)
• M6: 3,456,459 km (0.059 R)
• M7: 3,710,775 km (0.034 R)
• M8: 3,977,508 km (0.112 R)
• M9: 4,731,781 km (0.108 R)
• M10: 5,374,154 km (0.073 R)
• M11: 6,037,172 km (0.11 R)
• M12: 7,193,414 km (0.082 R)
• M13: 8,490,726 km (0.107 R)
• M14: 11,429,427 km (0.107 R)
• M15: 11,710,671 km (0.11 R)
• M16: 13,004,094 km (0.062 R)
• M17: 14,131,015 km (0.114 R)
• M18: 14,718,336 km (0.119 R)
• M19: 16,011,610 km (0.092 R)
• M20: 20,343,964 km (0.113 R)
• M21: 21,008,627 km (0.07 R)
• M22: 21,346,270 km (0.07 R)
• M23: 22,733,341 km (0.086 R)
• M24: 23,995,648 km (0.117 R)
• M25: 26,169,604 km (0.063 R)
• M26: 28,989,225 km (0.078 R)
• M27: 30,580,049 km (0.065 R)
• M28: 34,517,016 km (0.061 R)
• M29: 34,987,352 km (0.111 R)
• M30: 35,941,038 km (0.11 R)
• M31: 37,280,388 km (0.111 R)
• M32: 41,763,088 km (0.091 R)
• M33: 44,896,864 km (0.112 R)
• M34: 48,183,978 km (0.054 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.4

Radius: 4.9

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 5.11 AU - 7.93 AU

Year: 11492 Days

Day: 18.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,048,492 km

• M1: 71,508 km (0.109 R)
• M2: 499,358 km (0.085 R)
• M3: 1,923,829 km (0.082 R)
• M4: 3,019,035 km (0.104 R)
• M5: 3,771,512 km (0.065 R)
• M6: 5,423,521 km (0.117 R)
• M7: 6,086,090 km (0.082 R)
• M8: 12,398,223 km (0.081 R)
• M9: 14,394,008 km (0.084 R)
• M10: 16,259,045 km (0.058 R)
• M11: 19,132,072 km (0.115 R)
• M12: 23,300,168 km (0.096 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 280.5

Radius: 5.9

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.89 AU - 10.49 AU

Year: 17682 Days

Day: 18 Hours

Environment

Temp: -238 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,048,492 km

• M1: 75,098 km (0.084 R)
• M2: 270,623 km (0.112 R)
• M3: 482,902 km (0.066 R)
• M4: 3,681,753 km (0.083 R)
• M5: 4,653,541 km (0.103 R)
• M6: 5,165,465 km (0.06 R)
• M7: 7,680,654 km (0.086 R)
• M8: 10,319,560 km (0.111 R)
• M9: 10,532,288 km (0.057 R)
• M10: 12,045,621 km (0.064 R)
• M11: 12,520,594 km (0.105 R)
• M12: 14,948,268 km (0.073 R)
• M13: 15,289,351 km (0.074 R)
• M14: 16,633,338 km (0.069 R)
• M15: 20,710,928 km (0.112 R)
• M16: 21,306,178 km (0.117 R)
• M17: 22,620,096 km (0.081 R)
• M18: 26,585,038 km (0.069 R)
• M19: 27,186,720 km (0.104 R)
• M20: 28,417,462 km (0.072 R)
• M21: 28,730,720 km (0.107 R)
• M22: 29,258,202 km (0.106 R)
• M23: 36,837,877 km (0.113 R)
• M24: 44,917,509 km (0.105 R)
• M25: 47,509,591 km (0.112 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 18,942 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit