🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.8

Radius: 10.9

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.74 AU - 1.04 AU

Year: 534 Days

Day: 12.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 168.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,560,139 km

• M1: 135,536 km (0.072 R)
• M2: 571,314 km (0.055 R)
• M3: 950,395 km (0.055 R)
• M4: 1,521,111 km (0.102 R)
• M5: 2,147,777 km (0.087 R)
• M6: 2,746,318 km (0.05 R)
• M7: 3,142,154 km (0.109 R)
• M8: 3,564,917 km (0.114 R)
• M9: 4,328,465 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632

Radius: 12.6

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.89 AU - 0.99 AU

Year: 579 Days

Day: 8.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,560,139 km

• M1: 156,629 km (0.071 R)
• M2: 804,388 km (0.112 R)
• M3: 1,250,339 km (0.062 R)
• M4: 1,768,995 km (0.099 R)
• M5: 2,880,058 km (0.119 R)
• M6: 3,499,094 km (0.071 R)
• M7: 4,248,879 km (0.068 R)
• M8: 5,287,238 km (0.098 R)
• M9: 6,013,236 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.4

Radius: 9.9

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.03 AU - 1.57 AU

Year: 942 Days

Day: 5.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,560,139 km

• M1: 123,119 km (0.033 R)
• M2: 658,679 km (0.114 R)
• M3: 1,046,288 km (0.1 R)
• M4: 1,399,338 km (0.074 R)
• M5: 2,227,064 km (0.116 R)
• M6: 2,868,090 km (0.073 R)
• M7: 3,251,061 km (0.093 R)
• M8: 3,600,821 km (0.043 R)
• M9: 4,047,819 km (0.056 R)
• M10: 4,500,203 km (0.029 R)
• M11: 4,986,097 km (0.08 R)
• M12: 6,414,906 km (0.097 R)
• M13: 6,780,075 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.8

Radius: 10.7

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.57 AU - 2.19 AU

Year: 1639 Days

Day: 12.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,560,139 km

• M1: 134,339 km (0.097 R)
• M2: 670,049 km (0.069 R)
• M3: 1,057,358 km (0.116 R)
• M4: 1,448,107 km (0.119 R)
• M5: 1,844,392 km (0.081 R)
• M6: 2,824,258 km (0.106 R)
• M7: 3,636,126 km (0.102 R)
• M8: 4,152,538 km (0.067 R)
• M9: 5,408,262 km (0.115 R)
• M10: 6,397,553 km (0.085 R)
• M11: 6,812,238 km (0.117 R)
• M12: 8,864,871 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647

Radius: 10

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.96 AU - 2.28 AU

Year: 1963 Days

Day: 9 Hours

Environment

Temp: -191 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,560,139 km

• M1: 124,914 km (0.116 R)
• M2: 455,675 km (0.044 R)
• M3: 995,873 km (0.104 R)
• M4: 1,334,114 km (0.112 R)
• M5: 1,678,339 km (0.113 R)
• M6: 2,082,402 km (0.101 R)
• M7: 3,042,671 km (0.115 R)
• M8: 3,443,743 km (0.056 R)
• M9: 4,121,272 km (0.094 R)
• M10: 4,532,367 km (0.055 R)
• M11: 5,836,262 km (0.1 R)
• M12: 6,561,961 km (0.119 R)
• M13: 7,042,021 km (0.089 R)
• M14: 7,923,451 km (0.097 R)
• M15: 8,314,350 km (0.084 R)
• M16: 8,973,030 km (0.066 R)
• M17: 9,904,875 km (0.106 R)
• M18: 10,609,182 km (0.098 R)
• M19: 11,158,954 km (0.073 R)
• M20: 11,882,409 km (0.111 R)
• M21: 13,380,931 km (0.111 R)
• M22: 15,835,683 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.9

Radius: 13.7

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.31 AU - 4.17 AU

Year: 4599 Days

Day: 9 Hours

Environment

Temp: -208 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 44,560,139 km

• M1: 170,392 km (0.043 R)
• M2: 651,798 km (0.088 R)
• M3: 1,234,033 km (0.106 R)
• M4: 1,756,279 km (0.081 R)
• M5: 2,822,613 km (0.091 R)
• M6: 3,531,856 km (0.061 R)
• M7: 4,021,939 km (0.09 R)
• M8: 4,608,512 km (0.096 R)
• M9: 6,297,023 km (0.056 R)
• M10: 7,334,784 km (0.075 R)
• M11: 7,876,328 km (0.037 R)
• M12: 8,483,396 km (0.099 R)
• M13: 9,621,088 km (0.074 R)
• M14: 10,539,320 km (0.093 R)
• M15: 11,902,455 km (0.077 R)
• M16: 13,862,636 km (0.1 R)
• M17: 14,580,257 km (0.068 R)
• M18: 15,091,433 km (0.111 R)
• M19: 16,391,588 km (0.085 R)
• M20: 16,882,569 km (0.12 R)
• M21: 19,417,804 km (0.063 R)
• M22: 19,967,725 km (0.082 R)
• M23: 21,606,869 km (0.071 R)
• M24: 22,048,781 km (0.05 R)
• M25: 26,722,668 km (0.101 R)
• M26: 28,534,447 km (0.106 R)
• M27: 29,696,225 km (0.1 R)
• M28: 30,703,766 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.2

Radius: 10.7

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.96 AU - 4.28 AU

Year: 5317 Days

Day: 13.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,560,139 km

• M1: 138,228 km (0.117 R)
• M2: 508,633 km (0.104 R)
• M3: 1,061,846 km (0.065 R)
• M4: 1,564,943 km (0.099 R)
• M5: 2,554,234 km (0.068 R)
• M6: 4,998,962 km (0.1 R)
• M7: 5,864,087 km (0.11 R)
• M8: 6,636,311 km (0.109 R)
• M9: 8,798,748 km (0.071 R)
• M10: 9,671,353 km (0.086 R)
• M11: 11,049,299 km (0.037 R)
• M12: 16,555,398 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.5

Radius: 14

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.34 AU - 5.18 AU

Year: 6603 Days

Day: 7.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,560,139 km

• M1: 174,132 km (0.115 R)
• M2: 991,983 km (0.082 R)
• M3: 2,293,784 km (0.061 R)
• M4: 3,005,571 km (0.079 R)
• M5: 4,961,114 km (0.115 R)
• M6: 6,609,384 km (0.114 R)
• M7: 8,138,872 km (0.04 R)
• M8: 11,314,685 km (0.097 R)
• M9: 15,491,308 km (0.092 R)
• M10: 19,543,466 km (0.116 R)
• M11: 31,986,119 km (0.091 R)
• M12: 32,818,781 km (0.119 R)
• M13: 33,986,991 km (0.084 R)
• M14: 39,056,713 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 571.2

Radius: 4.4

Gravity: 29.5 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.52 AU - 6.88 AU

Year: 9816 Days

Day: 19.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,560,139 km

• M1: 54,753 km (0.115 R)
• M2: 201,957 km (0.087 R)
• M3: 515,813 km (0.042 R)
• M4: 1,129,015 km (0.076 R)
• M5: 1,499,419 km (0.087 R)
• M6: 1,713,045 km (0.032 R)
• M7: 3,447,184 km (0.072 R)
• M8: 5,132,105 km (0.116 R)
• M9: 6,169,267 km (0.099 R)
• M10: 6,869,833 km (0.098 R)
• M11: 7,219,593 km (0.037 R)
• M12: 8,559,841 km (0.093 R)
• M13: 8,873,697 km (0.116 R)
• M14: 9,335,356 km (0.055 R)
• M15: 12,618,580 km (0.114 R)
• M16: 13,864,282 km (0.072 R)
• M17: 15,254,794 km (0.1 R)
• M18: 20,611,295 km (0.073 R)
• M19: 24,773,557 km (0.093 R)
• M20: 24,954,421 km (0.086 R)
• M21: 26,527,592 km (0.107 R)
• M22: 27,580,013 km (0.119 R)
• M23: 29,361,724 km (0.109 R)
• M24: 29,665,856 km (0.113 R)
• M25: 30,383,926 km (0.111 R)
• M26: 31,535,530 km (0.025 R)
• M27: 37,256,602 km (0.107 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: 357 - 19,869 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit