🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.4

Radius: 10.4

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.52 AU - 0.62 AU

Year: 297 Days

Day: 11 Hours

Environment

Temp: -147 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,190,763 km

• M1: 129,402 km (0.087 R)
• M2: 454,927 km (0.092 R)
• M3: 806,781 km (0.101 R)
• M4: 1,425,817 km (0.115 R)
• M5: 2,169,319 km (0.11 R)
• M6: 3,163,097 km (0.111 R)
• M7: 3,746,080 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.1

Radius: 10.6

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.61 AU - 0.67 AU

Year: 353 Days

Day: 11 Hours

Environment

Temp: -151 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,190,763 km

• M1: 131,796 km (0.112 R)
• M2: 465,997 km (0.026 R)
• M3: 905,217 km (0.114 R)
• M4: 1,398,441 km (0.066 R)
• M5: 1,867,729 km (0.073 R)
• M6: 2,326,845 km (0.07 R)
• M7: 2,796,433 km (0.098 R)
• M8: 3,485,032 km (0.071 R)
• M9: 3,881,317 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.4

Radius: 14.3

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.18 AU - 1.72 AU

Year: 1205 Days

Day: 10 Hours

Environment

Temp: -184 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 41,190,763 km

• M1: 252,970 km (0.107 R)
• M2: 785,987 km (0.111 R)
• M3: 1,273,227 km (0.049 R)
• M4: 2,373,819 km (0.039 R)
• M5: 2,957,849 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.1

Radius: 14.5

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.73 AU - 1.95 AU

Year: 1723 Days

Day: 14.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,190,763 km

• M1: 180,265 km (0.103 R)
• M2: 772,523 km (0.109 R)
• M3: 1,577,958 km (0.052 R)
• M4: 2,117,259 km (0.089 R)
• M5: 2,739,586 km (0.064 R)
• M6: 4,413,287 km (0.106 R)
• M7: 5,184,165 km (0.112 R)
• M8: 6,160,141 km (0.106 R)
• M9: 7,202,988 km (0.072 R)
• M10: 8,074,246 km (0.08 R)
• M11: 9,896,348 km (0.096 R)
• M12: 13,006,637 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.1

Radius: 12.1

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.18 AU - 2.48 AU

Year: 2455 Days

Day: 12.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 41,190,763 km

• M1: 153,039 km (0.11 R)
• M2: 1,123,929 km (0.107 R)
• M3: 1,758,673 km (0.049 R)
• M4: 4,672,989 km (0.033 R)
• M5: 5,667,815 km (0.086 R)
• M6: 7,088,097 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.1

Radius: 12

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.66 AU - 4.14 AU

Year: 4327 Days

Day: 12.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 152.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,190,763 km

• M1: 149,299 km (0.119 R)
• M2: 553,063 km (0.056 R)
• M3: 967,300 km (0.114 R)
• M4: 1,346,979 km (0.081 R)
• M5: 1,816,118 km (0.117 R)
• M6: 2,242,472 km (0.105 R)
• M7: 3,500,141 km (0.115 R)
• M8: 4,354,345 km (0.092 R)
• M9: 4,843,829 km (0.092 R)
• M10: 6,443,928 km (0.106 R)
• M11: 7,415,716 km (0.073 R)
• M12: 7,795,545 km (0.11 R)
• M13: 9,288,532 km (0.088 R)
• M14: 10,875,915 km (0.12 R)
• M15: 12,395,231 km (0.097 R)
• M16: 13,231,034 km (0.059 R)
• M17: 13,688,504 km (0.072 R)
• M18: 17,494,424 km (0.12 R)
• M19: 19,248,459 km (0.111 R)
• M20: 20,911,239 km (0.06 R)
• M21: 23,323,804 km (0.086 R)
• M22: 24,673,476 km (0.064 R)
• M23: 27,118,803 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.3

Radius: 10.7

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.93 AU - 4.31 AU

Year: 4754 Days

Day: 5.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,190,763 km

• M1: 133,142 km (0.1 R)
• M2: 496,216 km (0.109 R)
• M3: 892,351 km (0.112 R)
• M4: 1,347,578 km (0.113 R)
• M5: 1,791,734 km (0.075 R)
• M6: 2,812,440 km (0.116 R)
• M7: 7,849,251 km (0.1 R)
• M8: 8,263,188 km (0.08 R)
• M9: 11,061,117 km (0.086 R)
• M10: 13,723,809 km (0.044 R)
• M11: 15,406,786 km (0.027 R)
• M12: 18,183,172 km (0.083 R)
• M13: 28,398,613 km (0.068 R)
• M14: 31,117,554 km (0.086 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.6

Radius: 12.5

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.39 AU - 5.31 AU

Year: 6262 Days

Day: 13.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,190,763 km

• M1: 155,432 km (0.046 R)
• M2: 618,886 km (0.087 R)
• M3: 1,174,343 km (0.099 R)
• M4: 1,652,308 km (0.12 R)
• M5: 2,642,946 km (0.099 R)
• M6: 3,818,486 km (0.11 R)
• M7: 5,343,486 km (0.055 R)
• M8: 7,516,246 km (0.098 R)
• M9: 8,418,919 km (0.086 R)
• M10: 11,703,041 km (0.065 R)
• M11: 13,066,028 km (0.104 R)
• M12: 13,785,893 km (0.105 R)
• M13: 14,477,932 km (0.078 R)
• M14: 15,361,308 km (0.105 R)
• M15: 17,235,619 km (0.034 R)
• M16: 18,354,612 km (0.07 R)
• M17: 20,875,336 km (0.117 R)
• M18: 21,504,544 km (0.113 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.4

Radius: 11.5

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.52 AU - 4.86 AU

Year: 7011 Days

Day: 7.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 164.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 41,190,763 km

• M1: 143,165 km (0.088 R)
• M2: 739,313 km (0.073 R)
• M3: 1,330,673 km (0.113 R)
• M4: 1,728,005 km (0.116 R)
• M5: 2,377,709 km (0.117 R)
• M6: 3,429,382 km (0.045 R)
• M7: 3,833,894 km (0.082 R)
• M8: 4,825,878 km (0.115 R)
• M9: 5,212,588 km (0.056 R)
• M10: 5,981,521 km (0.102 R)
• M11: 6,570,787 km (0.073 R)
• M12: 7,784,924 km (0.114 R)
• M13: 10,020,813 km (0.106 R)
• M14: 11,837,081 km (0.107 R)
• M15: 14,404,181 km (0.077 R)
• M16: 19,472,856 km (0.072 R)
• M17: 20,304,470 km (0.074 R)
• M18: 22,775,378 km (0.115 R)
• M19: 24,212,415 km (0.098 R)
• M20: 24,909,242 km (0.099 R)
• M21: 25,798,901 km (0.088 R)
• M22: 27,266,456 km (0.109 R)
• M23: 28,115,873 km (0.056 R)
• M24: 30,367,021 km (0.037 R)
• M25: 32,106,396 km (0.119 R)
• M26: 33,803,284 km (0.07 R)
• M27: 36,915,219 km (0.069 R)
• M28: 39,132,709 km (0.114 R)
• M29: 39,851,078 km (0.042 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 11,477 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit