🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296

Radius: 11

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.18 AU - 1.2 AU

Year: 852 Days

Day: 14.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,024,374 km

• M1: 139,276 km (0.069 R)
• M2: 482,304 km (0.117 R)
• M3: 832,811 km (0.059 R)
• M4: 1,189,901 km (0.041 R)
• M5: 1,637,199 km (0.11 R)
• M6: 2,455,649 km (0.078 R)
• M7: 3,108,494 km (0.094 R)
• M8: 3,928,889 km (0.041 R)
• M9: 4,360,479 km (0.095 R)
• M10: 4,855,648 km (0.11 R)
• M11: 5,217,675 km (0.108 R)
• M12: 5,849,127 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.9

Radius: 11.9

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.2 AU - 1.42 AU

Year: 984 Days

Day: 5.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,024,374 km

• M1: 150,346 km (0.119 R)
• M2: 1,913,357 km (0.115 R)
• M3: 2,359,757 km (0.079 R)
• M4: 3,046,261 km (0.056 R)
• M5: 3,540,084 km (0.048 R)
• M6: 4,600,135 km (0.119 R)
• M7: 6,336,218 km (0.102 R)
• M8: 7,841,322 km (0.066 R)
• M9: 8,365,812 km (0.118 R)
• M10: 10,669,769 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.3

Radius: 11.2

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.7 AU - 1.94 AU

Year: 1611 Days

Day: 5 Hours

Environment

Temp: -187 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,024,374 km

• M1: 139,724 km (0.091 R)
• M2: 636,090 km (0.103 R)
• M3: 1,122,582 km (0.059 R)
• M4: 1,495,231 km (0.029 R)
• M5: 1,875,060 km (0.081 R)
• M6: 2,383,393 km (0.105 R)
• M7: 2,734,350 km (0.1 R)
• M8: 3,358,921 km (0.069 R)
• M9: 5,263,152 km (0.12 R)
• M10: 5,674,696 km (0.085 R)
• M11: 6,083,098 km (0.075 R)
• M12: 8,275,754 km (0.108 R)
• M13: 8,770,624 km (0.067 R)
• M14: 9,922,228 km (0.061 R)
• M15: 10,410,067 km (0.081 R)
• M16: 12,009,567 km (0.079 R)
• M17: 12,364,114 km (0.08 R)
• M18: 12,888,455 km (0.117 R)
• M19: 15,181,790 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.2

Radius: 10

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.88 AU - 2.1 AU

Year: 1842 Days

Day: 8.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,024,374 km

• M1: 125,064 km (0.097 R)
• M2: 478,863 km (0.115 R)
• M3: 819,647 km (0.079 R)
• M4: 1,161,179 km (0.101 R)
• M5: 1,717,982 km (0.115 R)
• M6: 2,255,188 km (0.074 R)
• M7: 2,814,385 km (0.069 R)
• M8: 3,316,585 km (0.091 R)
• M9: 4,422,113 km (0.107 R)
• M10: 5,687,113 km (0.075 R)
• M11: 7,681,701 km (0.118 R)
• M12: 8,510,772 km (0.108 R)
• M13: 9,170,948 km (0.049 R)
• M14: 10,207,362 km (0.057 R)
• M15: 10,880,253 km (0.093 R)
• M16: 13,365,523 km (0.069 R)
• M17: 14,431,707 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.9

Radius: 14.5

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.9 AU - 2.1 AU

Year: 1855 Days

Day: 11.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,024,374 km

• M1: 180,714 km (0.104 R)
• M2: 825,182 km (0.103 R)
• M3: 1,592,769 km (0.118 R)
• M4: 2,509,504 km (0.096 R)
• M5: 4,480,606 km (0.086 R)
• M6: 5,775,525 km (0.102 R)
• M7: 7,546,614 km (0.117 R)
• M8: 8,704,651 km (0.103 R)
• M9: 9,435,886 km (0.119 R)
• M10: 10,609,182 km (0.055 R)
• M11: 12,247,428 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.2

Radius: 12.7

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.48 AU - 4.58 AU

Year: 6325 Days

Day: 12.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,024,374 km

• M1: 158,125 km (0.043 R)
• M2: 1,305,241 km (0.056 R)
• M3: 2,763,521 km (0.105 R)
• M4: 3,169,380 km (0.076 R)
• M5: 3,814,895 km (0.078 R)
• M6: 4,689,145 km (0.119 R)
• M7: 5,310,575 km (0.11 R)
• M8: 6,603,848 km (0.092 R)
• M9: 7,660,309 km (0.088 R)
• M10: 9,050,222 km (0.106 R)
• M11: 9,480,915 km (0.035 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.8

Radius: 8

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 5.3 AU - 6.24 AU

Year: 9092 Days

Day: 11.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,024,374 km

• M1: 100,380 km (0.082 R)
• M2: 370,554 km (0.081 R)
• M3: 630,555 km (0.081 R)
• M4: 1,195,137 km (0.109 R)
• M5: 1,799,662 km (0.103 R)
• M6: 2,124,140 km (0.08 R)
• M7: 2,702,785 km (0.075 R)
• M8: 3,150,830 km (0.098 R)
• M9: 3,580,027 km (0.042 R)
• M10: 3,951,029 km (0.073 R)
• M11: 5,759,668 km (0.112 R)
• M12: 6,402,340 km (0.086 R)
• M13: 8,906,160 km (0.072 R)
• M14: 12,409,742 km (0.117 R)
• M15: 14,037,067 km (0.116 R)
• M16: 19,063,556 km (0.108 R)
• M17: 24,102,162 km (0.098 R)
• M18: 24,592,693 km (0.1 R)
• M19: 25,006,331 km (0.103 R)
• M20: 25,593,353 km (0.082 R)
• M21: 25,932,940 km (0.109 R)
• M22: 26,534,324 km (0.031 R)
• M23: 27,586,895 km (0.071 R)
• M24: 30,434,640 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 519.3

Radius: 3.2

Gravity: 50.71 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 6.19 AU - 7.45 AU

Year: 11684 Days

Day: 22 Hours

Environment

Temp: -218 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 66,024,374 km

• M1: 39,793 km (0.115 R)
• M2: 190,588 km (0.057 R)
• M3: 404,513 km (0.05 R)
• M4: 584,329 km (0.08 R)
• M5: 717,920 km (0.113 R)
• M6: 871,707 km (0.111 R)
• M7: 1,058,255 km (0.067 R)
• M8: 2,011,792 km (0.069 R)
• M9: 2,395,511 km (0.058 R)
• M10: 2,980,289 km (0.116 R)
• M11: 3,403,052 km (0.119 R)
• M12: 4,194,724 km (0.087 R)
• M13: 4,942,115 km (0.08 R)
• M14: 5,198,975 km (0.112 R)
• M15: 5,879,944 km (0.087 R)
• M16: 7,541,677 km (0.097 R)
• M17: 7,838,779 km (0.035 R)
• M18: 8,055,845 km (0.072 R)
• M19: 9,297,657 km (0.075 R)
• M20: 9,788,189 km (0.113 R)
• M21: 16,302,727 km (0.114 R)
• M22: 17,599,292 km (0.053 R)
• M23: 18,885,534 km (0.103 R)
• M24: 21,984,305 km (0.092 R)
• M25: 23,563,759 km (0.085 R)
• M26: 24,565,317 km (0.105 R)
• M27: 29,165,152 km (0.081 R)
• M28: 31,830,687 km (0.108 R)
• M29: 33,278,944 km (0.115 R)
• M30: 34,306,831 km (0.063 R)
• M31: 35,473,545 km (0.119 R)
• M32: 36,186,229 km (0.097 R)
• M33: 36,666,588 km (0.103 R)
• M34: 40,792,796 km (0.043 R)
• M35: 44,253,743 km (0.088 R)
• M36: 44,390,625 km (0.1 R)
• M37: 48,484,221 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 458.4

Radius: 3.2

Gravity: 44.77 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.56 AU - 8.18 AU

Year: 14483 Days

Day: 23.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,024,374 km

• M1: 39,793 km (0.074 R)
• M2: 160,369 km (0.12 R)
• M3: 322,383 km (0.074 R)
• M4: 667,057 km (0.09 R)
• M5: 838,197 km (0.107 R)
• M6: 1,167,312 km (0.098 R)
• M7: 1,591,572 km (0.069 R)
• M8: 1,880,894 km (0.114 R)
• M9: 3,628,945 km (0.12 R)
• M10: 7,800,332 km (0.094 R)
• M11: 9,158,681 km (0.093 R)
• M12: 9,357,646 km (0.049 R)
• M13: 15,811,448 km (0.082 R)
• M14: 24,715,064 km (0.095 R)
• M15: 26,683,024 km (0.085 R)
• M16: 26,885,281 km (0.079 R)
• M17: 34,991,391 km (0.086 R)
• M18: 42,073,952 km (0.094 R)
• M19: 44,017,977 km (0.103 R)

Asteroid Belt

Center: 8.39 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 588.1

Radius: 7.3

Gravity: 11.04 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 7.53 AU - 10.29 AU

Year: 17447 Days

Day: 17.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,024,374 km

• M1: 90,806 km (0.045 R)
• M2: 381,624 km (0.036 R)
• M3: 746,045 km (0.11 R)
• M4: 1,072,318 km (0.077 R)
• M5: 1,871,021 km (0.081 R)
• M6: 3,015,743 km (0.112 R)
• M7: 3,942,053 km (0.053 R)
• M8: 5,081,092 km (0.032 R)
• M9: 5,593,165 km (0.111 R)
• M10: 8,481,750 km (0.089 R)
• M11: 9,522,952 km (0.085 R)
• M12: 11,607,897 km (0.061 R)
• M13: 12,625,312 km (0.059 R)
• M14: 13,632,106 km (0.084 R)
• M15: 18,197,833 km (0.119 R)
• M16: 20,010,062 km (0.092 R)
• M17: 24,905,951 km (0.103 R)
• M18: 29,493,519 km (0.099 R)
• M19: 30,663,225 km (0.102 R)
• M20: 31,139,694 km (0.076 R)
• M21: 31,742,125 km (0.072 R)
• M22: 38,891,407 km (0.1 R)
• M23: 47,359,694 km (0.117 R)
• M24: 51,600,046 km (0.103 R)
• M25: 56,799,320 km (0.107 R)
• M26: 59,156,832 km (0.096 R)
• M27: 62,337,134 km (0.055 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 19,924 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit