🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785

Radius: 11.2

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.57 AU - 0.73 AU

Year: 362 Days

Day: 5.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,912,544 km

• M1: 139,276 km (0.105 R)
• M2: 499,806 km (0.116 R)
• M3: 852,708 km (0.11 R)
• M4: 1,215,333 km (0.089 R)
• M5: 1,594,265 km (0.12 R)
• M6: 2,004,911 km (0.119 R)
• M7: 2,715,949 km (0.063 R)
• M8: 3,163,546 km (0.04 R)
• M9: 3,552,201 km (0.094 R)
• M10: 4,248,879 km (0.114 R)
• M11: 4,825,728 km (0.04 R)
• M12: 5,280,506 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.2

Radius: 9.2

Gravity: 10.08 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.83 AU - 1.05 AU

Year: 629 Days

Day: 5.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,912,544 km

• M1: 114,442 km (0.077 R)
• M2: 406,158 km (0.088 R)
• M3: 693,386 km (0.066 R)
• M4: 1,245,402 km (0.104 R)
• M5: 2,031,240 km (0.076 R)
• M6: 2,395,361 km (0.103 R)
• M7: 2,756,640 km (0.117 R)
• M8: 3,054,340 km (0.073 R)
• M9: 3,347,252 km (0.054 R)
• M10: 3,975,414 km (0.116 R)
• M11: 4,468,488 km (0.048 R)
• M12: 4,898,582 km (0.12 R)
• M13: 5,230,241 km (0.044 R)
• M14: 5,784,501 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.7

Radius: 13.8

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.81 AU - 1.33 AU

Year: 764 Days

Day: 8.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,912,544 km

• M1: 173,683 km (0.117 R)
• M2: 612,304 km (0.094 R)
• M3: 1,239,418 km (0.098 R)
• M4: 1,811,181 km (0.096 R)
• M5: 2,759,782 km (0.097 R)
• M6: 3,570,602 km (0.076 R)
• M7: 4,032,859 km (0.091 R)
• M8: 4,567,971 km (0.12 R)
• M9: 5,312,819 km (0.118 R)
• M10: 5,801,555 km (0.068 R)
• M11: 6,979,339 km (0.074 R)
• M12: 7,451,470 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.2

Radius: 11

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.97 AU - 2.93 AU

Year: 2647 Days

Day: 8.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,912,544 km

• M1: 137,331 km (0.051 R)
• M2: 708,795 km (0.06 R)
• M3: 1,272,180 km (0.091 R)
• M4: 2,054,278 km (0.057 R)
• M5: 2,530,448 km (0.08 R)
• M6: 3,495,205 km (0.058 R)
• M7: 3,968,682 km (0.104 R)
• M8: 4,876,891 km (0.104 R)
• M9: 5,651,658 km (0.112 R)
• M10: 6,138,001 km (0.06 R)
• M11: 7,508,916 km (0.111 R)
• M12: 8,716,619 km (0.09 R)
• M13: 10,205,716 km (0.098 R)
• M14: 11,988,624 km (0.078 R)
• M15: 12,431,284 km (0.102 R)
• M16: 13,302,691 km (0.102 R)
• M17: 15,064,655 km (0.086 R)
• M18: 15,632,678 km (0.085 R)
• M19: 16,322,474 km (0.115 R)
• M20: 18,222,666 km (0.117 R)
• M21: 18,749,400 km (0.111 R)
• M22: 20,704,944 km (0.057 R)
• M23: 21,667,008 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.7

Radius: 10.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.04 AU - 2.98 AU

Year: 2745 Days

Day: 8.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,912,544 km

• M1: 129,402 km (0.108 R)
• M2: 459,415 km (0.12 R)
• M3: 1,061,696 km (0.111 R)
• M4: 1,789,191 km (0.089 R)
• M5: 2,219,434 km (0.101 R)
• M6: 2,655,063 km (0.038 R)
• M7: 3,022,176 km (0.082 R)
• M8: 3,795,298 km (0.114 R)
• M9: 4,788,628 km (0.113 R)
• M10: 5,562,647 km (0.096 R)
• M11: 7,010,904 km (0.046 R)
• M12: 7,665,844 km (0.069 R)
• M13: 8,583,327 km (0.103 R)
• M14: 9,214,930 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.4

Radius: 9.2

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.49 AU - 3.81 AU

Year: 3859 Days

Day: 8.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,912,544 km

• M1: 114,442 km (0.117 R)
• M2: 422,614 km (0.118 R)
• M3: 741,557 km (0.091 R)
• M4: 2,320,263 km (0.055 R)
• M5: 3,125,100 km (0.028 R)
• M6: 4,251,272 km (0.111 R)
• M7: 5,476,030 km (0.067 R)
• M8: 5,835,663 km (0.097 R)
• M9: 6,321,258 km (0.111 R)
• M10: 6,688,521 km (0.097 R)
• M11: 7,528,064 km (0.069 R)
• M12: 9,415,690 km (0.113 R)
• M13: 10,160,388 km (0.053 R)
• M14: 11,515,894 km (0.091 R)
• M15: 11,851,592 km (0.111 R)
• M16: 12,719,559 km (0.104 R)
• M17: 17,320,292 km (0.112 R)
• M18: 17,984,806 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.2

Radius: 11.8

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 4.15 AU - 5.83 AU

Year: 7694 Days

Day: 14.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,912,544 km

• M1: 146,756 km (0.091 R)
• M2: 575,503 km (0.092 R)
• M3: 982,110 km (0.051 R)
• M4: 1,364,781 km (0.105 R)
• M5: 1,938,788 km (0.101 R)
• M6: 2,870,484 km (0.045 R)
• M7: 3,656,920 km (0.065 R)
• M8: 4,629,605 km (0.034 R)
• M9: 6,165,676 km (0.112 R)
• M10: 6,829,292 km (0.108 R)
• M11: 8,809,071 km (0.04 R)
• M12: 9,890,663 km (0.088 R)
• M13: 12,316,692 km (0.076 R)
• M14: 13,468,895 km (0.086 R)
• M15: 14,020,462 km (0.107 R)
• M16: 14,482,869 km (0.114 R)
• M17: 15,601,562 km (0.117 R)
• M18: 16,042,576 km (0.118 R)
• M19: 20,005,125 km (0.113 R)
• M20: 22,074,063 km (0.07 R)
• M21: 23,195,898 km (0.085 R)
• M22: 25,250,026 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 684

Radius: 8

Gravity: 10.69 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 8.03 AU - 8.57 AU

Year: 16505 Days

Day: 20.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 66,912,544 km

• M1: 99,483 km (0.048 R)
• M2: 451,486 km (0.103 R)
• M3: 1,011,581 km (0.079 R)
• M4: 1,328,878 km (0.114 R)
• M5: 1,695,542 km (0.109 R)
• M6: 2,772,198 km (0.042 R)
• M7: 3,429,232 km (0.115 R)
• M8: 3,679,509 km (0.067 R)
• M9: 3,942,053 km (0.055 R)
• M10: 4,439,915 km (0.084 R)
• M11: 5,486,053 km (0.095 R)
• M12: 5,752,188 km (0.117 R)
• M13: 6,026,849 km (0.102 R)
• M14: 7,534,796 km (0.077 R)
• M15: 8,252,267 km (0.079 R)
• M16: 9,602,687 km (0.085 R)
• M17: 10,273,335 km (0.077 R)
• M18: 12,538,097 km (0.106 R)
• M19: 12,801,239 km (0.062 R)
• M20: 15,339,466 km (0.091 R)
• M21: 16,022,979 km (0.106 R)
• M22: 16,411,335 km (0.073 R)
• M23: 19,836,678 km (0.073 R)
• M24: 20,830,756 km (0.111 R)
• M25: 22,048,183 km (0.075 R)
• M26: 22,528,841 km (0.027 R)
• M27: 24,623,959 km (0.09 R)
• M28: 27,615,169 km (0.114 R)
• M29: 30,959,728 km (0.085 R)
• M30: 35,606,687 km (0.087 R)
• M31: 42,006,035 km (0.114 R)
• M32: 48,643,992 km (0.107 R)
• M33: 49,786,919 km (0.094 R)
• M34: 54,188,538 km (0.086 R)
• M35: 64,731,896 km (0.064 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 355 - 13,681 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit