🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.1

Radius: 13.8

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.68 AU - 1.72 AU

Year: 1454 Days

Day: 12.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,418,228 km

• M1: 171,589 km (0.114 R)
• M2: 643,869 km (0.089 R)
• M3: 1,307,037 km (0.117 R)
• M4: 1,985,613 km (0.114 R)
• M5: 2,575,477 km (0.073 R)
• M6: 3,096,975 km (0.084 R)
• M7: 3,757,300 km (0.12 R)
• M8: 4,279,995 km (0.093 R)
• M9: 5,745,456 km (0.095 R)
• M10: 6,195,895 km (0.094 R)
• M11: 6,669,971 km (0.067 R)
• M12: 8,876,689 km (0.102 R)
• M13: 9,909,961 km (0.049 R)
• M14: 12,292,756 km (0.096 R)
• M15: 12,883,668 km (0.087 R)
• M16: 13,411,000 km (0.094 R)
• M17: 13,910,508 km (0.097 R)
• M18: 14,379,347 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.5

Radius: 13.1

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.69 AU - 2.45 AU

Year: 1954 Days

Day: 5.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,418,228 km

• M1: 163,810 km (0.029 R)
• M2: 579,542 km (0.108 R)
• M3: 1,395,150 km (0.08 R)
• M4: 1,934,600 km (0.048 R)
• M5: 2,612,128 km (0.07 R)
• M6: 3,341,119 km (0.111 R)
• M7: 4,782,046 km (0.068 R)
• M8: 6,416,402 km (0.118 R)
• M9: 7,017,786 km (0.07 R)
• M10: 9,151,051 km (0.103 R)
• M11: 10,238,329 km (0.049 R)
• M12: 11,253,949 km (0.073 R)
• M13: 12,048,613 km (0.101 R)
• M14: 12,459,857 km (0.095 R)
• M15: 13,180,620 km (0.054 R)
• M16: 14,798,521 km (0.104 R)
• M17: 16,046,915 km (0.042 R)
• M18: 16,849,208 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.5

Radius: 14.8

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.38 AU - 2.96 AU

Year: 2862 Days

Day: 12 Hours

Environment

Temp: -205 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,418,228 km

• M1: 184,005 km (0.049 R)
• M2: 804,238 km (0.116 R)
• M3: 1,294,919 km (0.073 R)
• M4: 1,918,593 km (0.077 R)
• M5: 3,208,126 km (0.115 R)
• M6: 4,257,705 km (0.115 R)
• M7: 4,871,954 km (0.046 R)
• M8: 5,823,396 km (0.077 R)
• M9: 6,986,819 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.1

Radius: 12.7

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.88 AU - 3.42 AU

Year: 3668 Days

Day: 14.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,418,228 km

• M1: 158,723 km (0.046 R)
• M2: 778,807 km (0.093 R)
• M3: 2,743,924 km (0.096 R)
• M4: 3,212,764 km (0.077 R)
• M5: 3,671,431 km (0.099 R)
• M6: 4,313,804 km (0.12 R)
• M7: 5,617,849 km (0.116 R)
• M8: 6,142,489 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.5

Radius: 13.3

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3 AU - 3.98 AU

Year: 4277 Days

Day: 9.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,418,228 km

• M1: 165,455 km (0.066 R)
• M2: 632,350 km (0.119 R)
• M3: 1,494,333 km (0.105 R)
• M4: 2,604,200 km (0.058 R)
• M5: 3,206,481 km (0.102 R)
• M6: 5,286,490 km (0.083 R)
• M7: 7,431,573 km (0.075 R)
• M8: 8,618,483 km (0.096 R)
• M9: 10,392,714 km (0.089 R)
• M10: 14,929,419 km (0.114 R)
• M11: 17,116,240 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.7

Radius: 12.7

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.18 AU - 3.96 AU

Year: 4425 Days

Day: 11 Hours

Environment

Temp: -200 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,418,228 km

• M1: 159,471 km (0.106 R)
• M2: 627,713 km (0.074 R)
• M3: 1,271,283 km (0.117 R)
• M4: 1,775,278 km (0.113 R)
• M5: 2,224,371 km (0.109 R)
• M6: 2,967,573 km (0.047 R)
• M7: 5,002,254 km (0.099 R)
• M8: 5,529,736 km (0.114 R)
• M9: 5,972,246 km (0.1 R)
• M10: 9,598,648 km (0.081 R)
• M11: 10,460,182 km (0.071 R)
• M12: 11,001,577 km (0.084 R)
• M13: 11,752,409 km (0.079 R)
• M14: 12,942,310 km (0.099 R)
• M15: 13,886,422 km (0.06 R)
• M16: 14,763,664 km (0.09 R)
• M17: 15,158,902 km (0.036 R)
• M18: 15,735,751 km (0.095 R)
• M19: 16,148,193 km (0.062 R)
• M20: 18,191,251 km (0.119 R)
• M21: 22,412,005 km (0.088 R)
• M22: 24,473,314 km (0.069 R)
• M23: 27,840,613 km (0.1 R)
• M24: 28,881,814 km (0.081 R)
• M25: 30,310,324 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.4

Radius: 12.8

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.97 AU - 4.87 AU

Year: 5091 Days

Day: 10.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,418,228 km

• M1: 159,471 km (0.04 R)
• M2: 571,913 km (0.112 R)
• M3: 1,426,416 km (0.107 R)
• M4: 1,868,777 km (0.076 R)
• M5: 2,371,276 km (0.06 R)
• M6: 3,876,380 km (0.055 R)
• M7: 4,781,597 km (0.108 R)
• M8: 5,883,385 km (0.113 R)
• M9: 6,413,859 km (0.081 R)
• M10: 6,840,961 km (0.12 R)
• M11: 7,322,068 km (0.115 R)
• M12: 7,974,015 km (0.102 R)
• M13: 9,946,314 km (0.051 R)
• M14: 10,655,707 km (0.057 R)
• M15: 11,493,754 km (0.08 R)
• M16: 12,526,578 km (0.078 R)
• M17: 13,781,554 km (0.073 R)
• M18: 14,384,134 km (0.109 R)
• M19: 15,176,255 km (0.073 R)
• M20: 15,700,745 km (0.054 R)
• M21: 16,237,353 km (0.083 R)
• M22: 20,413,078 km (0.117 R)
• M23: 20,909,294 km (0.069 R)
• M24: 22,823,549 km (0.11 R)
• M25: 27,339,011 km (0.059 R)
• M26: 29,805,730 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 900.9

Radius: 3.7

Gravity: 65.81 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 6.06 AU - 8.32 AU

Year: 12647 Days

Day: 15.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 61,418,228 km

• M1: 89,310 km (0.109 R)
• M2: 214,374 km (0.119 R)
• M3: 342,280 km (0.095 R)
• M4: 622,477 km (0.093 R)
• M5: 1,004,998 km (0.063 R)
• M6: 1,364,632 km (0.11 R)
• M7: 1,770,192 km (0.066 R)
• M8: 2,981,635 km (0.096 R)
• M9: 3,334,537 km (0.053 R)
• M10: 4,691,090 km (0.091 R)
• M11: 5,751,141 km (0.069 R)
• M12: 6,706,772 km (0.096 R)
• M13: 7,534,946 km (0.118 R)
• M14: 9,817,659 km (0.069 R)
• M15: 10,594,671 km (0.118 R)
• M16: 12,779,249 km (0.053 R)
• M17: 14,886,035 km (0.047 R)
• M18: 15,612,183 km (0.061 R)
• M19: 17,213,479 km (0.088 R)
• M20: 18,421,931 km (0.118 R)
• M21: 18,753,589 km (0.108 R)
• M22: 32,541,127 km (0.098 R)
• M23: 36,162,293 km (0.12 R)
• M24: 41,727,035 km (0.088 R)
• M25: 44,192,408 km (0.098 R)
• M26: 45,990,125 km (0.052 R)
• M27: 46,141,967 km (0.091 R)
• M28: 49,252,107 km (0.046 R)
• M29: 55,540,603 km (0.044 R)
• M30: 57,280,127 km (0.114 R)
• M31: 60,138,344 km (0.088 R)
• M32: 61,234,298 km (0.119 R)
• M33: 61,418,154 km (0.107 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: 443 - 11,957 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit