🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.6

Radius: 12.8

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.91 AU - 1.01 AU

Year: 607 Days

Day: 6.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,964,893 km

• M1: 159,471 km (0.089 R)
• M2: 595,100 km (0.105 R)
• M3: 1,081,593 km (0.079 R)
• M4: 2,026,303 km (0.06 R)
• M5: 2,513,244 km (0.045 R)
• M6: 3,054,489 km (0.066 R)
• M7: 4,005,782 km (0.041 R)
• M8: 4,527,580 km (0.037 R)
• M9: 5,600,047 km (0.102 R)
• M10: 6,005,607 km (0.107 R)
• M11: 6,530,246 km (0.09 R)
• M12: 7,170,376 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901

Radius: 13.1

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.53 AU - 1.89 AU

Year: 1444 Days

Day: 12.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,964,893 km

• M1: 163,660 km (0.075 R)
• M2: 991,235 km (0.099 R)
• M3: 1,896,303 km (0.093 R)
• M4: 2,351,230 km (0.048 R)
• M5: 3,891,639 km (0.094 R)
• M6: 4,736,269 km (0.106 R)
• M7: 5,586,433 km (0.038 R)
• M8: 7,208,972 km (0.075 R)
• M9: 7,842,369 km (0.104 R)
• M10: 8,939,370 km (0.115 R)
• M11: 9,935,094 km (0.091 R)
• M12: 12,610,053 km (0.102 R)
• M13: 13,085,176 km (0.082 R)
• M14: 13,737,423 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.1

Radius: 8.1

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.43 AU - 2.01 AU

Year: 1456 Days

Day: 14.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 26,964,893 km

• M1: 102,175 km (0.075 R)
• M2: 568,921 km (0.088 R)
• M3: 851,661 km (0.111 R)
• M4: 1,267,692 km (0.085 R)
• M5: 1,607,429 km (0.049 R)
• M6: 2,039,468 km (0.054 R)
• M7: 2,460,885 km (0.1 R)
• M8: 2,844,304 km (0.068 R)
• M9: 3,208,426 km (0.067 R)
• M10: 3,463,041 km (0.077 R)
• M11: 4,116,485 km (0.112 R)
• M12: 4,454,426 km (0.089 R)
• M13: 4,791,470 km (0.106 R)
• M14: 6,290,890 km (0.102 R)
• M15: 7,210,767 km (0.093 R)
• M16: 7,863,014 km (0.101 R)
• M17: 10,737,537 km (0.073 R)
• M18: 11,208,321 km (0.09 R)
• M19: 11,868,945 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.4

Radius: 10.6

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.05 AU - 2.05 AU

Year: 1895 Days

Day: 11.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,964,893 km

• M1: 131,796 km (0.1 R)
• M2: 483,052 km (0.117 R)
• M3: 817,852 km (0.101 R)
• M4: 1,175,091 km (0.074 R)
• M5: 1,915,152 km (0.114 R)
• M6: 2,511,898 km (0.075 R)
• M7: 2,927,032 km (0.094 R)
• M8: 3,436,413 km (0.058 R)
• M9: 4,358,983 km (0.091 R)
• M10: 5,461,220 km (0.095 R)
• M11: 6,409,371 km (0.074 R)
• M12: 7,744,831 km (0.103 R)
• M13: 8,268,274 km (0.037 R)
• M14: 9,193,238 km (0.109 R)
• M15: 10,358,007 km (0.058 R)
• M16: 10,957,894 km (0.116 R)
• M17: 11,996,552 km (0.111 R)
• M18: 14,528,347 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.3

Radius: 10.7

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.91 AU - 2.55 AU

Year: 2150 Days

Day: 7.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,964,893 km

• M1: 139,874 km (0.032 R)
• M2: 775,366 km (0.106 R)
• M3: 1,231,490 km (0.051 R)
• M4: 2,506,662 km (0.105 R)
• M5: 3,722,145 km (0.11 R)
• M6: 6,293,582 km (0.044 R)
• M7: 6,715,897 km (0.099 R)
• M8: 8,888,357 km (0.07 R)
• M9: 9,353,158 km (0.074 R)
• M10: 10,586,443 km (0.11 R)
• M11: 14,935,702 km (0.11 R)
• M12: 15,403,644 km (0.045 R)
• M13: 15,929,480 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.1

Radius: 8.3

Gravity: 10.86 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.17 AU - 3.45 AU

Year: 3888 Days

Day: 12 Hours

Environment

Temp: -201 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 26,964,893 km

• M1: 103,223 km (0.08 R)
• M2: 370,853 km (0.109 R)
• M3: 969,544 km (0.097 R)
• M4: 1,656,946 km (0.059 R)
• M5: 2,259,227 km (0.056 R)
• M6: 3,577,783 km (0.079 R)
• M7: 3,871,892 km (0.068 R)
• M8: 5,732,740 km (0.066 R)
• M9: 6,315,573 km (0.095 R)
• M10: 6,937,452 km (0.04 R)
• M11: 8,230,576 km (0.05 R)
• M12: 9,879,743 km (0.087 R)
• M13: 11,331,141 km (0.119 R)
• M14: 13,066,476 km (0.092 R)
• M15: 13,716,180 km (0.12 R)
• M16: 15,906,891 km (0.099 R)
• M17: 19,972,064 km (0.025 R)
• M18: 23,422,389 km (0.087 R)
• M19: 25,518,405 km (0.054 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.3

Radius: 14.2

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 3.65 AU - 4.09 AU

Year: 4916 Days

Day: 12.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,964,893 km

• M1: 176,675 km (0.074 R)
• M2: 651,499 km (0.099 R)
• M3: 1,250,489 km (0.099 R)
• M4: 2,622,899 km (0.066 R)
• M5: 3,145,445 km (0.061 R)
• M6: 3,683,997 km (0.091 R)
• M7: 6,861,755 km (0.095 R)
• M8: 8,799,646 km (0.115 R)
• M9: 10,485,315 km (0.045 R)
• M10: 13,340,390 km (0.079 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258

Radius: 9

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.51 AU - 5.17 AU

Year: 6875 Days

Day: 11.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,964,893 km

• M1: 114,143 km (0.071 R)
• M2: 688,898 km (0.067 R)
• M3: 1,303,147 km (0.077 R)
• M4: 1,585,438 km (0.111 R)
• M5: 2,542,565 km (0.082 R)
• M6: 3,137,666 km (0.089 R)
• M7: 4,506,935 km (0.077 R)
• M8: 4,802,540 km (0.064 R)
• M9: 5,137,490 km (0.093 R)
• M10: 6,058,415 km (0.086 R)
• M11: 9,048,876 km (0.11 R)
• M12: 9,521,306 km (0.064 R)
• M13: 10,176,545 km (0.037 R)
• M14: 11,853,238 km (0.085 R)
• M15: 19,106,341 km (0.069 R)
• M16: 22,132,107 km (0.089 R)
• M17: 23,869,687 km (0.101 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: 508 - 16,058 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit