🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.9

Radius: 8.5

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.48 AU - 0.7 AU

Year: 302 Days

Day: 13 Hours

Environment

Temp: -146 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,953,098 km

• M1: 105,766 km (0.11 R)
• M2: 392,096 km (0.108 R)
• M3: 694,882 km (0.075 R)
• M4: 981,811 km (0.049 R)
• M5: 1,704,518 km (0.031 R)
• M6: 2,256,085 km (0.095 R)
• M7: 2,760,530 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.2

Radius: 11.1

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.93 AU - 1.01 AU

Year: 637 Days

Day: 13.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,953,098 km

• M1: 138,079 km (0.082 R)
• M2: 492,626 km (0.083 R)
• M3: 897,288 km (0.117 R)
• M4: 1,292,974 km (0.113 R)
• M5: 1,718,880 km (0.03 R)
• M6: 2,295,729 km (0.057 R)
• M7: 2,940,496 km (0.112 R)
• M8: 3,756,403 km (0.102 R)
• M9: 4,528,328 km (0.099 R)
• M10: 4,944,210 km (0.076 R)
• M11: 5,455,685 km (0.109 R)
• M12: 6,545,056 km (0.096 R)
• M13: 7,036,037 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369

Radius: 11.1

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.94 AU - 1.14 AU

Year: 707 Days

Day: 14.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 95 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,953,098 km

• M1: 138,079 km (0.096 R)
• M2: 485,295 km (0.111 R)
• M3: 838,047 km (0.068 R)
• M4: 1,570,179 km (0.06 R)
• M5: 2,024,508 km (0.028 R)
• M6: 2,436,650 km (0.111 R)
• M7: 2,904,742 km (0.112 R)
• M8: 4,009,672 km (0.087 R)
• M9: 4,544,035 km (0.091 R)
• M10: 5,392,106 km (0.106 R)
• M11: 5,773,879 km (0.107 R)
• M12: 6,476,092 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.9

Radius: 13.3

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.44 AU - 3.02 AU

Year: 3008 Days

Day: 10.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,953,098 km

• M1: 165,455 km (0.11 R)
• M2: 744,399 km (0.098 R)
• M3: 1,898,098 km (0.097 R)
• M4: 2,564,108 km (0.075 R)
• M5: 3,418,611 km (0.118 R)
• M6: 6,068,288 km (0.069 R)
• M7: 6,664,884 km (0.115 R)
• M8: 7,145,393 km (0.054 R)
• M9: 8,142,612 km (0.073 R)
• M10: 9,157,484 km (0.084 R)
• M11: 13,834,063 km (0.086 R)
• M12: 14,568,888 km (0.093 R)
• M13: 15,432,816 km (0.043 R)
• M14: 17,543,941 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.2

Radius: 11.1

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.82 AU - 3.22 AU

Year: 3500 Days

Day: 9.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,953,098 km

• M1: 138,228 km (0.111 R)
• M2: 515,664 km (0.077 R)
• M3: 1,546,992 km (0.119 R)
• M4: 2,629,482 km (0.084 R)
• M5: 3,477,851 km (0.117 R)
• M6: 4,881,827 km (0.077 R)
• M7: 5,841,049 km (0.044 R)
• M8: 6,351,926 km (0.094 R)
• M9: 6,747,163 km (0.108 R)
• M10: 8,262,290 km (0.115 R)
• M11: 8,837,644 km (0.1 R)
• M12: 10,106,084 km (0.094 R)
• M13: 10,646,282 km (0.067 R)
• M14: 12,081,075 km (0.072 R)
• M15: 13,410,252 km (0.113 R)
• M16: 13,827,331 km (0.118 R)
• M17: 16,200,253 km (0.112 R)
• M18: 18,717,835 km (0.096 R)
• M19: 20,250,615 km (0.026 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.1

Radius: 11.6

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.64 AU - 3.84 AU

Year: 4823 Days

Day: 14.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,953,098 km

• M1: 144,212 km (0.118 R)
• M2: 577,747 km (0.059 R)
• M3: 1,072,168 km (0.085 R)
• M4: 1,494,184 km (0.064 R)
• M5: 1,999,226 km (0.074 R)
• M6: 4,137,877 km (0.053 R)
• M7: 5,062,093 km (0.111 R)
• M8: 5,994,686 km (0.072 R)
• M9: 6,699,890 km (0.085 R)
• M10: 7,567,408 km (0.108 R)
• M11: 8,626,412 km (0.071 R)
• M12: 9,653,102 km (0.058 R)
• M13: 11,037,181 km (0.03 R)
• M14: 11,655,469 km (0.053 R)
• M15: 17,654,494 km (0.103 R)
• M16: 18,171,953 km (0.088 R)
• M17: 19,785,515 km (0.041 R)
• M18: 23,372,872 km (0.116 R)
• M19: 24,472,566 km (0.081 R)
• M20: 25,035,204 km (0.106 R)
• M21: 25,771,375 km (0.103 R)
• M22: 29,218,409 km (0.063 R)
• M23: 29,942,911 km (0.066 R)
• M24: 31,145,828 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 450.4

Radius: 5.1

Gravity: 17.32 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 9.49 AU - 10.63 AU

Year: 21278 Days

Day: 17.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,953,098 km

• M1: 67,169 km (0.115 R)
• M2: 273,465 km (0.115 R)
• M3: 536,009 km (0.111 R)
• M4: 1,015,770 km (0.097 R)
• M5: 2,278,675 km (0.101 R)
• M6: 2,584,453 km (0.087 R)
• M7: 2,941,842 km (0.033 R)
• M8: 3,224,283 km (0.11 R)
• M9: 4,811,367 km (0.1 R)
• M10: 13,366,121 km (0.089 R)
• M11: 16,721,302 km (0.064 R)
• M12: 20,597,832 km (0.113 R)
• M13: 32,254,797 km (0.093 R)
• M14: 38,186,053 km (0.105 R)
• M15: 41,628,151 km (0.114 R)
• M16: 46,531,370 km (0.078 R)
• M17: 51,125,671 km (0.104 R)
• M18: 51,635,201 km (0.113 R)
• M19: 53,532,252 km (0.059 R)
• M20: 59,314,359 km (0.095 R)
• M21: 63,522,397 km (0.12 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 17,909 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit