🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.44 AU - 0.66 AU

Year: 259 Days

Day: 45.1 Hours

Environment

Temp: -124 °C

Axial Tilt: 12.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.17 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.6

Radius: 11.5

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.38 AU - 2.2 AU

Year: 1523 Days

Day: 9.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,664,746 km

• M1: 143,016 km (0.052 R)
• M2: 530,923 km (0.111 R)
• M3: 983,307 km (0.041 R)
• M4: 1,460,973 km (0.09 R)
• M5: 1,881,193 km (0.087 R)
• M6: 2,344,647 km (0.086 R)
• M7: 3,293,547 km (0.102 R)
• M8: 3,829,705 km (0.061 R)
• M9: 4,541,492 km (0.103 R)
• M10: 4,929,399 km (0.106 R)
• M11: 5,361,737 km (0.057 R)
• M12: 5,937,539 km (0.111 R)
• M13: 6,971,261 km (0.11 R)
• M14: 7,601,666 km (0.099 R)
• M15: 8,419,967 km (0.085 R)
• M16: 9,008,036 km (0.103 R)
• M17: 11,339,967 km (0.06 R)
• M18: 12,212,572 km (0.102 R)
• M19: 13,252,277 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.1

Radius: 13.7

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.86 AU - 1.9 AU

Year: 1639 Days

Day: 11.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,664,746 km

• M1: 173,982 km (0.108 R)
• M2: 707,448 km (0.119 R)
• M3: 1,593,965 km (0.054 R)
• M4: 2,954,259 km (0.103 R)
• M5: 5,436,686 km (0.11 R)
• M6: 6,934,460 km (0.053 R)
• M7: 7,901,909 km (0.119 R)
• M8: 12,503,540 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.9

Radius: 8.3

Gravity: 12.77 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.42 AU - 3.38 AU

Year: 3140 Days

Day: 5.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,664,746 km

• M1: 106,214 km (0.052 R)
• M2: 750,383 km (0.093 R)
• M3: 1,346,979 km (0.054 R)
• M4: 1,904,530 km (0.05 R)
• M5: 2,229,607 km (0.114 R)
• M6: 3,135,272 km (0.051 R)
• M7: 5,570,277 km (0.102 R)
• M8: 6,994,000 km (0.061 R)
• M9: 7,344,358 km (0.073 R)
• M10: 8,359,529 km (0.049 R)
• M11: 8,864,272 km (0.077 R)
• M12: 9,427,209 km (0.085 R)
• M13: 10,174,450 km (0.095 R)
• M14: 12,420,962 km (0.075 R)
• M15: 13,561,795 km (0.1 R)
• M16: 14,057,114 km (0.079 R)
• M17: 15,669,629 km (0.063 R)
• M18: 17,000,003 km (0.086 R)
• M19: 17,751,283 km (0.113 R)
• M20: 20,783,034 km (0.092 R)
• M21: 22,661,833 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.1

Radius: 10.9

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.69 AU - 3.49 AU

Year: 3454 Days

Day: 10.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,664,746 km

• M1: 135,536 km (0.06 R)
• M2: 508,184 km (0.095 R)
• M3: 889,210 km (0.044 R)
• M4: 1,378,694 km (0.061 R)
• M5: 2,083,300 km (0.111 R)
• M6: 3,848,256 km (0.096 R)
• M7: 5,021,253 km (0.103 R)
• M8: 5,393,153 km (0.116 R)
• M9: 8,364,017 km (0.104 R)
• M10: 8,995,918 km (0.091 R)
• M11: 11,759,739 km (0.093 R)
• M12: 12,240,397 km (0.072 R)
• M13: 13,287,732 km (0.054 R)
• M14: 17,454,930 km (0.119 R)
• M15: 18,370,319 km (0.082 R)
• M16: 20,234,458 km (0.102 R)
• M17: 20,672,331 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.2

Radius: 14.8

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.1 AU - 4.36 AU

Year: 4580 Days

Day: 10.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,664,746 km

• M1: 184,604 km (0.056 R)
• M2: 693,087 km (0.037 R)
• M3: 1,368,521 km (0.083 R)
• M4: 1,962,724 km (0.102 R)
• M5: 2,903,844 km (0.066 R)
• M6: 3,964,344 km (0.106 R)
• M7: 5,702,671 km (0.082 R)
• M8: 6,845,898 km (0.114 R)
• M9: 8,788,127 km (0.099 R)
• M10: 9,473,734 km (0.083 R)
• M11: 10,233,841 km (0.047 R)
• M12: 10,952,359 km (0.095 R)
• M13: 12,896,683 km (0.081 R)
• M14: 13,926,963 km (0.092 R)
• M15: 18,313,472 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.1

Radius: 10.2

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.56 AU - 5.4 AU

Year: 6029 Days

Day: 12.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,664,746 km

• M1: 126,859 km (0.116 R)
• M2: 487,839 km (0.078 R)
• M3: 856,897 km (0.059 R)
• M4: 1,317,957 km (0.034 R)
• M5: 1,722,769 km (0.062 R)
• M6: 2,241,574 km (0.067 R)
• M7: 2,714,902 km (0.084 R)
• M8: 3,132,729 km (0.06 R)
• M9: 3,749,222 km (0.107 R)
• M10: 4,319,040 km (0.084 R)
• M11: 4,756,763 km (0.11 R)
• M12: 6,744,321 km (0.089 R)
• M13: 8,422,061 km (0.053 R)
• M14: 10,407,075 km (0.027 R)
• M15: 13,210,539 km (0.098 R)
• M16: 13,804,443 km (0.094 R)
• M17: 14,415,999 km (0.1 R)
• M18: 19,282,418 km (0.067 R)
• M19: 19,766,516 km (0.106 R)
• M20: 20,686,992 km (0.11 R)
• M21: 21,858,792 km (0.057 R)
• M22: 24,414,522 km (0.111 R)
• M23: 24,981,199 km (0.056 R)
• M24: 29,015,853 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 164.6

Radius: 3.7

Gravity: 12.02 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 8.81 AU - 10.85 AU

Year: 19596 Days

Day: 20.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,664,746 km

• M1: 46,076 km (0.104 R)
• M2: 346,020 km (0.11 R)
• M3: 994,527 km (0.065 R)
• M4: 1,927,269 km (0.03 R)
• M5: 2,543,912 km (0.063 R)
• M6: 3,212,165 km (0.112 R)
• M7: 4,948,099 km (0.077 R)
• M8: 12,439,512 km (0.09 R)
• M9: 12,967,293 km (0.034 R)
• M10: 13,448,699 km (0.111 R)
• M11: 14,899,350 km (0.093 R)
• M12: 20,349,350 km (0.116 R)
• M13: 27,284,258 km (0.113 R)
• M14: 42,330,961 km (0.097 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 12,622 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit