🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.1

Radius: 14.3

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.85 AU - 0.91 AU

Year: 525 Days

Day: 14.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,966,425 km

• M1: 178,021 km (0.096 R)
• M2: 739,013 km (0.042 R)
• M3: 1,243,757 km (0.108 R)
• M4: 1,775,428 km (0.066 R)
• M5: 2,266,557 km (0.081 R)
• M6: 2,796,882 km (0.066 R)
• M7: 3,245,975 km (0.095 R)
• M8: 3,859,475 km (0.114 R)
• M9: 4,593,851 km (0.093 R)
• M10: 5,065,533 km (0.113 R)
• M11: 5,519,413 km (0.11 R)
• M12: 6,143,237 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.5

Radius: 11.6

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.26 AU - 1.82 AU

Year: 1215 Days

Day: 12.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,966,425 km

• M1: 144,362 km (0.096 R)
• M2: 564,732 km (0.093 R)
• M3: 949,498 km (0.09 R)
• M4: 1,320,351 km (0.079 R)
• M5: 1,707,809 km (0.085 R)
• M6: 2,108,432 km (0.115 R)
• M7: 3,258,541 km (0.078 R)
• M8: 3,660,959 km (0.084 R)
• M9: 5,492,785 km (0.092 R)
• M10: 6,401,742 km (0.055 R)
• M11: 7,183,989 km (0.102 R)
• M12: 8,434,328 km (0.115 R)
• M13: 8,853,501 km (0.097 R)
• M14: 9,404,321 km (0.105 R)
• M15: 10,447,018 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.1

Radius: 8.6

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.64 AU - 2.14 AU

Year: 1652 Days

Day: 10 Hours

Environment

Temp: -178 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,966,425 km

• M1: 106,962 km (0.051 R)
• M2: 375,191 km (0.12 R)
• M3: 667,805 km (0.1 R)
• M4: 1,187,209 km (0.109 R)
• M5: 1,456,784 km (0.1 R)
• M6: 1,967,062 km (0.119 R)
• M7: 2,893,821 km (0.06 R)
• M8: 4,344,472 km (0.085 R)
• M9: 4,792,517 km (0.112 R)
• M10: 5,379,390 km (0.086 R)
• M11: 5,919,737 km (0.116 R)
• M12: 6,874,471 km (0.113 R)
• M13: 7,483,633 km (0.096 R)
• M14: 8,508,977 km (0.119 R)
• M15: 10,319,710 km (0.06 R)
• M16: 11,957,507 km (0.1 R)
• M17: 12,877,534 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.6

Radius: 12.5

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.18 AU - 5.22 AU

Year: 5473 Days

Day: 6.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,966,425 km

• M1: 155,432 km (0.095 R)
• M2: 551,867 km (0.117 R)
• M3: 945,309 km (0.111 R)
• M4: 1,363,884 km (0.119 R)
• M5: 2,325,648 km (0.115 R)
• M6: 3,132,430 km (0.097 R)
• M7: 3,936,818 km (0.03 R)
• M8: 5,137,340 km (0.103 R)
• M9: 6,536,679 km (0.095 R)
• M10: 8,361,623 km (0.066 R)
• M11: 12,349,304 km (0.063 R)
• M12: 13,348,319 km (0.04 R)
• M13: 13,867,723 km (0.09 R)
• M14: 17,211,385 km (0.113 R)
• M15: 17,826,980 km (0.089 R)
• M16: 18,457,385 km (0.116 R)
• M17: 19,430,669 km (0.12 R)
• M18: 21,268,479 km (0.106 R)
• M19: 27,641,797 km (0.044 R)
• M20: 28,657,716 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.9

Radius: 11

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 5.02 AU - 6.42 AU

Year: 8698 Days

Day: 8.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,966,425 km

• M1: 136,732 km (0.112 R)
• M2: 650,601 km (0.101 R)
• M3: 1,048,232 km (0.083 R)
• M4: 1,476,980 km (0.104 R)
• M5: 3,654,526 km (0.077 R)
• M6: 4,399,225 km (0.102 R)
• M7: 5,300,103 km (0.096 R)
• M8: 7,838,629 km (0.116 R)
• M9: 9,117,691 km (0.1 R)
• M10: 10,484,716 km (0.089 R)
• M11: 10,905,984 km (0.078 R)
• M12: 12,864,220 km (0.063 R)
• M13: 13,842,889 km (0.109 R)
• M14: 17,464,953 km (0.114 R)
• M15: 19,284,063 km (0.1 R)
• M16: 22,746,356 km (0.088 R)
• M17: 23,533,241 km (0.07 R)
• M18: 24,013,899 km (0.061 R)
• M19: 33,323,524 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.2

Radius: 11.1

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 5.63 AU - 6.09 AU

Year: 9019 Days

Day: 7.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,966,425 km

• M1: 138,378 km (0.089 R)
• M2: 523,144 km (0.078 R)
• M3: 1,171,800 km (0.088 R)
• M4: 1,677,142 km (0.116 R)
• M5: 2,124,439 km (0.1 R)
• M6: 2,708,170 km (0.117 R)
• M7: 3,112,234 km (0.105 R)
• M8: 3,626,701 km (0.114 R)
• M9: 4,171,537 km (0.086 R)
• M10: 4,913,991 km (0.043 R)
• M11: 5,456,433 km (0.116 R)
• M12: 5,971,797 km (0.106 R)
• M13: 7,100,364 km (0.111 R)
• M14: 8,491,624 km (0.102 R)
• M15: 11,033,591 km (0.073 R)
• M16: 11,441,544 km (0.112 R)
• M17: 11,859,521 km (0.057 R)
• M18: 14,524,607 km (0.084 R)
• M19: 15,139,305 km (0.091 R)
• M20: 17,223,652 km (0.062 R)
• M21: 17,842,837 km (0.095 R)
• M22: 18,691,356 km (0.106 R)
• M23: 19,125,639 km (0.113 R)
• M24: 20,089,648 km (0.044 R)
• M25: 22,600,498 km (0.104 R)
• M26: 23,509,904 km (0.108 R)
• M27: 24,529,563 km (0.113 R)
• M28: 28,331,593 km (0.066 R)
• M29: 29,976,421 km (0.052 R)
• M30: 35,512,291 km (0.09 R)

Asteroid Belt

Center: 6.32 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 965.8

Radius: 7.2

Gravity: 18.63 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.15 AU - 8.39 AU

Year: 11200 Days

Day: 20.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 57,966,425 km

• M1: 91,105 km (0.086 R)
• M2: 518,656 km (0.059 R)
• M3: 1,915,750 km (0.074 R)
• M4: 2,767,411 km (0.096 R)
• M5: 3,341,119 km (0.045 R)
• M6: 3,710,925 km (0.078 R)
• M7: 4,377,533 km (0.1 R)
• M8: 5,434,143 km (0.098 R)
• M9: 5,686,365 km (0.116 R)
• M10: 6,331,580 km (0.111 R)
• M11: 6,570,638 km (0.099 R)
• M12: 7,066,854 km (0.087 R)
• M13: 7,367,695 km (0.057 R)
• M14: 7,721,943 km (0.082 R)
• M15: 10,751,599 km (0.113 R)
• M16: 11,035,237 km (0.046 R)
• M17: 14,151,959 km (0.111 R)
• M18: 15,764,923 km (0.087 R)
• M19: 18,855,764 km (0.116 R)
• M20: 20,369,695 km (0.084 R)
• M21: 20,716,912 km (0.096 R)
• M22: 22,420,083 km (0.077 R)
• M23: 23,164,333 km (0.047 R)
• M24: 26,822,300 km (0.054 R)
• M25: 27,134,810 km (0.045 R)
• M26: 29,390,446 km (0.098 R)
• M27: 30,057,055 km (0.09 R)
• M28: 31,536,278 km (0.061 R)
• M29: 32,117,915 km (0.116 R)
• M30: 32,470,218 km (0.097 R)
• M31: 36,518,635 km (0.055 R)
• M32: 48,622,898 km (0.096 R)
• M33: 50,816,751 km (0.084 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 275 - 14,349 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit