🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.9

Radius: 11.4

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.68 AU - 0.82 AU

Year: 433 Days

Day: 13 Hours

Environment

Temp: -163 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,544,374 km

• M1: 141,819 km (0.104 R)
• M2: 498,909 km (0.104 R)
• M3: 1,105,379 km (0.075 R)
• M4: 1,493,436 km (0.107 R)
• M5: 2,334,475 km (0.095 R)
• M6: 2,899,656 km (0.111 R)
• M7: 3,516,896 km (0.045 R)
• M8: 4,348,361 km (0.12 R)
• M9: 5,030,378 km (0.1 R)
• M10: 5,422,624 km (0.093 R)
• M11: 6,213,548 km (0.025 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.7

Radius: 15

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.14 AU - 1.78 AU

Year: 1176 Days

Day: 6.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 81,544,374 km

• M1: 186,549 km (0.046 R)
• M2: 653,144 km (0.069 R)
• M3: 1,334,712 km (0.029 R)
• M4: 1,819,409 km (0.072 R)
• M5: 2,379,504 km (0.075 R)
• M6: 4,780,400 km (0.102 R)
• M7: 5,374,304 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.2

Radius: 10.8

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.29 AU - 1.79 AU

Year: 1274 Days

Day: 6.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,544,374 km

• M1: 134,339 km (0.045 R)
• M2: 509,082 km (0.082 R)
• M3: 912,248 km (0.06 R)
• M4: 1,288,935 km (0.078 R)
• M5: 1,879,248 km (0.047 R)
• M6: 2,232,299 km (0.03 R)
• M7: 3,399,312 km (0.118 R)
• M8: 3,746,529 km (0.099 R)
• M9: 4,384,714 km (0.075 R)
• M10: 5,572,221 km (0.069 R)
• M11: 6,171,810 km (0.107 R)
• M12: 6,764,816 km (0.112 R)
• M13: 7,685,291 km (0.08 R)
• M14: 8,175,823 km (0.069 R)
• M15: 9,931,653 km (0.082 R)
• M16: 10,415,602 km (0.097 R)
• M17: 10,813,981 km (0.113 R)
• M18: 11,222,533 km (0.091 R)
• M19: 11,605,952 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.4

Radius: 13.6

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.17 AU - 2.21 AU

Year: 2161 Days

Day: 12.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,544,374 km

• M1: 171,888 km (0.069 R)
• M2: 796,010 km (0.09 R)
• M3: 1,669,811 km (0.097 R)
• M4: 3,187,631 km (0.105 R)
• M5: 4,449,041 km (0.035 R)
• M6: 5,105,027 km (0.092 R)
• M7: 6,131,269 km (0.055 R)
• M8: 9,431,099 km (0.088 R)
• M9: 11,006,663 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.6

Radius: 8.5

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.5 AU - 3.18 AU

Year: 3192 Days

Day: 9.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 174.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,544,374 km

• M1: 105,915 km (0.053 R)
• M2: 384,018 km (0.079 R)
• M3: 1,304,793 km (0.044 R)
• M4: 1,872,965 km (0.097 R)
• M5: 3,312,246 km (0.103 R)
• M6: 3,590,648 km (0.096 R)
• M7: 3,945,494 km (0.092 R)
• M8: 4,345,220 km (0.103 R)
• M9: 4,611,504 km (0.034 R)
• M10: 4,912,345 km (0.1 R)
• M11: 5,201,668 km (0.111 R)
• M12: 7,062,366 km (0.03 R)
• M13: 7,338,075 km (0.094 R)
• M14: 9,147,162 km (0.089 R)
• M15: 11,235,099 km (0.052 R)
• M16: 12,434,276 km (0.096 R)
• M17: 13,019,054 km (0.097 R)
• M18: 14,389,819 km (0.07 R)
• M19: 15,034,436 km (0.104 R)
• M20: 15,698,202 km (0.112 R)
• M21: 16,595,490 km (0.094 R)
• M22: 17,084,226 km (0.116 R)
• M23: 18,492,092 km (0.082 R)
• M24: 19,432,913 km (0.091 R)
• M25: 19,975,804 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.7

Radius: 11.1

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.95 AU - 3.53 AU

Year: 3889 Days

Day: 14.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,544,374 km

• M1: 138,079 km (0.096 R)
• M2: 622,028 km (0.102 R)
• M3: 1,171,501 km (0.082 R)
• M4: 1,590,525 km (0.081 R)
• M5: 1,966,763 km (0.091 R)
• M6: 2,644,741 km (0.108 R)
• M7: 3,125,997 km (0.092 R)
• M8: 3,906,150 km (0.095 R)
• M9: 7,963,992 km (0.103 R)
• M10: 9,678,982 km (0.077 R)
• M11: 11,456,055 km (0.096 R)
• M12: 14,971,007 km (0.069 R)
• M13: 15,964,187 km (0.038 R)
• M14: 17,224,549 km (0.069 R)
• M15: 18,966,766 km (0.094 R)
• M16: 19,634,122 km (0.088 R)
• M17: 21,468,641 km (0.05 R)
• M18: 22,127,021 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873

Radius: 12.1

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.03 AU - 4.39 AU

Year: 4765 Days

Day: 14.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,544,374 km

• M1: 150,645 km (0.098 R)
• M2: 1,028,336 km (0.053 R)
• M3: 3,122,856 km (0.12 R)
• M4: 3,931,432 km (0.082 R)
• M5: 4,311,710 km (0.094 R)
• M6: 5,315,063 km (0.083 R)
• M7: 5,811,578 km (0.094 R)
• M8: 8,003,187 km (0.082 R)
• M9: 8,422,510 km (0.078 R)
• M10: 8,856,344 km (0.089 R)
• M11: 10,248,501 km (0.106 R)
• M12: 11,066,951 km (0.111 R)
• M13: 11,830,499 km (0.107 R)
• M14: 12,731,078 km (0.065 R)
• M15: 21,289,871 km (0.041 R)
• M16: 22,023,051 km (0.098 R)
• M17: 24,086,604 km (0.085 R)
• M18: 27,981,235 km (0.1 R)
• M19: 28,949,881 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.5

Radius: 11.1

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.07 AU - 4.27 AU

Year: 5679 Days

Day: 10 Hours

Environment

Temp: -216 °C

Axial Tilt: 149 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,544,374 km

• M1: 138,079 km (0.056 R)
• M2: 498,909 km (0.077 R)
• M3: 937,530 km (0.112 R)
• M4: 1,526,048 km (0.098 R)
• M5: 1,989,352 km (0.084 R)
• M6: 2,672,267 km (0.083 R)
• M7: 3,314,640 km (0.098 R)
• M8: 5,872,913 km (0.116 R)
• M9: 8,600,681 km (0.12 R)
• M10: 9,724,310 km (0.092 R)
• M11: 11,113,177 km (0.117 R)
• M12: 12,398,821 km (0.106 R)
• M13: 14,029,438 km (0.105 R)
• M14: 17,653,596 km (0.073 R)
• M15: 20,929,939 km (0.087 R)
• M16: 22,265,249 km (0.079 R)
• M17: 23,444,230 km (0.11 R)

Asteroid Belt

Center: 7.07 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 767.6

Radius: 3.3

Gravity: 70.49 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 7.8 AU - 12.12 AU

Year: 20961 Days

Day: 21.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 81,544,374 km

• M1: 41,738 km (0.119 R)
• M2: 316,100 km (0.095 R)
• M3: 463,005 km (0.088 R)
• M4: 582,534 km (0.095 R)
• M5: 817,552 km (0.098 R)
• M6: 1,540,708 km (0.119 R)
• M7: 2,330,884 km (0.093 R)
• M8: 2,564,257 km (0.12 R)
• M9: 3,023,672 km (0.107 R)
• M10: 3,446,436 km (0.086 R)
• M11: 4,102,871 km (0.095 R)
• M12: 4,478,063 km (0.049 R)
• M13: 7,517,592 km (0.089 R)
• M14: 10,537,674 km (0.081 R)
• M15: 11,173,615 km (0.115 R)
• M16: 12,591,802 km (0.065 R)
• M17: 13,453,785 km (0.069 R)
• M18: 14,354,364 km (0.119 R)
• M19: 14,741,225 km (0.105 R)
• M20: 15,454,956 km (0.082 R)
• M21: 24,995,859 km (0.077 R)
• M22: 35,257,077 km (0.109 R)
• M23: 36,816,784 km (0.067 R)
• M24: 46,140,022 km (0.071 R)
• M25: 47,661,582 km (0.059 R)
• M26: 52,608,485 km (0.101 R)
• M27: 52,974,401 km (0.116 R)
• M28: 54,829,265 km (0.069 R)
• M29: 56,153,206 km (0.104 R)
• M30: 69,919,950 km (0.041 R)
• M31: 81,300,160 km (0.059 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 18,129 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit