🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.44 AU - 0.58 AU

Year: 239 Days

Day: 19.6 Hours

Environment

Temp: -110 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.53 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700

Radius: 15

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.28 AU - 2.82 AU

Year: 2671 Days

Day: 7.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,678,742 km

• M1: 186,549 km (0.118 R)
• M2: 738,415 km (0.095 R)
• M3: 1,456,186 km (0.09 R)
• M4: 2,181,287 km (0.12 R)
• M5: 2,802,716 km (0.112 R)
• M6: 3,380,463 km (0.041 R)
• M7: 4,117,681 km (0.057 R)
• M8: 5,100,091 km (0.064 R)
• M9: 5,685,317 km (0.111 R)
• M10: 6,591,133 km (0.12 R)
• M11: 7,167,832 km (0.113 R)
• M12: 8,623,270 km (0.095 R)
• M13: 10,079,755 km (0.089 R)
• M14: 10,768,803 km (0.12 R)
• M15: 11,694,963 km (0.105 R)
• M16: 12,586,417 km (0.074 R)
• M17: 13,205,602 km (0.025 R)
• M18: 14,219,577 km (0.086 R)
• M19: 16,298,987 km (0.064 R)
• M20: 17,035,308 km (0.099 R)
• M21: 17,683,964 km (0.069 R)
• M22: 18,237,028 km (0.101 R)
• M23: 19,611,682 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.2

Radius: 12.8

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.56 AU - 3.96 AU

Year: 3861 Days

Day: 8.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,678,742 km

• M1: 160,070 km (0.105 R)
• M2: 654,790 km (0.098 R)
• M3: 1,060,948 km (0.081 R)
• M4: 1,625,381 km (0.101 R)
• M5: 3,787,070 km (0.111 R)
• M6: 5,235,327 km (0.048 R)
• M7: 6,537,726 km (0.084 R)
• M8: 7,455,060 km (0.043 R)
• M9: 8,426,698 km (0.093 R)
• M10: 11,479,692 km (0.066 R)
• M11: 12,578,189 km (0.081 R)
• M12: 13,173,140 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.4

Radius: 10.9

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.74 AU - 4.48 AU

Year: 4500 Days

Day: 12.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,678,742 km

• M1: 136,433 km (0.114 R)
• M2: 548,575 km (0.113 R)
• M3: 1,184,366 km (0.119 R)
• M4: 3,074,535 km (0.1 R)
• M5: 3,716,909 km (0.081 R)
• M6: 4,736,568 km (0.048 R)
• M7: 7,007,164 km (0.107 R)
• M8: 7,563,369 km (0.066 R)
• M9: 8,526,031 km (0.106 R)
• M10: 10,220,527 km (0.039 R)
• M11: 11,868,945 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 849.4

Radius: 7.5

Gravity: 15.1 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 5.47 AU - 7.63 AU

Year: 10997 Days

Day: 24.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,678,742 km

• M1: 94,546 km (0.073 R)
• M2: 357,689 km (0.066 R)
• M3: 622,626 km (0.093 R)
• M4: 869,463 km (0.114 R)
• M5: 2,008,351 km (0.047 R)
• M6: 3,098,621 km (0.117 R)
• M7: 4,036,300 km (0.098 R)
• M8: 4,539,697 km (0.077 R)
• M9: 7,358,719 km (0.067 R)
• M10: 9,867,326 km (0.072 R)
• M11: 10,397,501 km (0.105 R)
• M12: 11,399,358 km (0.054 R)
• M13: 16,714,271 km (0.09 R)
• M14: 17,929,903 km (0.1 R)
• M15: 18,799,216 km (0.11 R)
• M16: 20,707,188 km (0.092 R)
• M17: 24,710,277 km (0.092 R)
• M18: 25,786,185 km (0.072 R)
• M19: 26,084,932 km (0.099 R)
• M20: 27,200,034 km (0.066 R)
• M21: 27,717,344 km (0.058 R)
• M22: 28,665,046 km (0.075 R)
• M23: 34,446,705 km (0.102 R)
• M24: 37,037,590 km (0.104 R)
• M25: 38,445,306 km (0.051 R)
• M26: 43,021,356 km (0.085 R)
• M27: 47,947,763 km (0.1 R)
• M28: 48,248,754 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.6

Radius: 4.4

Gravity: 15.01 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 7.25 AU - 9.71 AU

Year: 16200 Days

Day: 16.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,678,742 km

• M1: 54,753 km (0.073 R)
• M2: 232,475 km (0.075 R)
• M3: 698,772 km (0.044 R)
• M4: 978,220 km (0.057 R)
• M5: 2,074,773 km (0.083 R)
• M6: 2,408,825 km (0.038 R)
• M7: 3,653,030 km (0.09 R)
• M8: 4,667,753 km (0.11 R)
• M9: 6,912,170 km (0.106 R)
• M10: 8,957,621 km (0.091 R)
• M11: 11,373,926 km (0.118 R)
• M12: 11,767,369 km (0.096 R)
• M13: 13,063,335 km (0.102 R)
• M14: 14,256,677 km (0.072 R)
• M15: 15,796,189 km (0.104 R)
• M16: 16,285,823 km (0.087 R)
• M17: 16,930,290 km (0.117 R)
• M18: 19,280,024 km (0.08 R)
• M19: 19,839,221 km (0.099 R)
• M20: 20,163,549 km (0.093 R)
• M21: 21,838,447 km (0.101 R)
• M22: 25,177,471 km (0.096 R)
• M23: 26,232,136 km (0.116 R)
• M24: 28,326,656 km (0.101 R)
• M25: 31,398,648 km (0.039 R)
• M26: 32,172,069 km (0.057 R)
• M27: 38,822,443 km (0.105 R)
• M28: 43,821,854 km (0.027 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 13,021 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit