🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.92 AU - 1.12 AU

Year: 474 Days

Day: 45.2 Hours

Environment

Temp: -88 °C

Axial Tilt: 30 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.38 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.6

Radius: 8

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.96 AU - 4.52 AU

Year: 3328 Days

Day: 10.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 92,991,987 km

• M1: 99,483 km (0.087 R)
• M2: 475,272 km (0.045 R)
• M3: 783,594 km (0.086 R)
• M4: 1,244,355 km (0.094 R)
• M5: 1,675,047 km (0.071 R)
• M6: 3,431,925 km (0.119 R)
• M7: 4,874,048 km (0.115 R)
• M8: 5,239,965 km (0.105 R)
• M9: 6,081,901 km (0.114 R)
• M10: 8,132,589 km (0.091 R)
• M11: 8,931,890 km (0.058 R)
• M12: 10,485,016 km (0.085 R)
• M13: 10,807,848 km (0.047 R)
• M14: 12,522,838 km (0.082 R)
• M15: 14,560,510 km (0.101 R)
• M16: 15,736,649 km (0.074 R)
• M17: 20,950,733 km (0.037 R)
• M18: 21,398,928 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.1

Radius: 12.5

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.75 AU - 4.91 AU

Year: 4146 Days

Day: 13.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 92,991,987 km

• M1: 155,731 km (0.049 R)
• M2: 554,709 km (0.031 R)
• M3: 990,488 km (0.106 R)
• M4: 1,653,056 km (0.072 R)
• M5: 2,120,999 km (0.119 R)
• M6: 3,089,495 km (0.103 R)
• M7: 3,564,020 km (0.111 R)
• M8: 6,056,919 km (0.092 R)
• M9: 6,620,005 km (0.113 R)
• M10: 7,217,798 km (0.092 R)
• M11: 7,681,103 km (0.083 R)
• M12: 8,778,253 km (0.102 R)
• M13: 10,344,842 km (0.086 R)
• M14: 11,998,946 km (0.118 R)
• M15: 16,214,165 km (0.075 R)
• M16: 16,838,288 km (0.096 R)
• M17: 18,622,093 km (0.117 R)
• M18: 20,991,872 km (0.091 R)
• M19: 22,562,500 km (0.107 R)
• M20: 22,984,815 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.2

Radius: 11.9

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 5.68 AU - 5.7 AU

Year: 6246 Days

Day: 8.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 92,991,987 km

• M1: 148,102 km (0.091 R)
• M2: 581,487 km (0.104 R)
• M3: 958,174 km (0.101 R)
• M4: 1,506,899 km (0.041 R)
• M5: 2,407,927 km (0.107 R)
• M6: 3,209,024 km (0.115 R)
• M7: 4,588,017 km (0.082 R)
• M8: 5,788,091 km (0.059 R)
• M9: 7,009,259 km (0.088 R)
• M10: 7,775,050 km (0.052 R)
• M11: 8,276,502 km (0.116 R)
• M12: 11,455,756 km (0.092 R)
• M13: 13,867,573 km (0.075 R)
• M14: 14,433,651 km (0.106 R)
• M15: 15,431,320 km (0.089 R)
• M16: 17,959,823 km (0.098 R)
• M17: 18,496,730 km (0.108 R)
• M18: 19,322,360 km (0.106 R)
• M19: 21,946,905 km (0.066 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 289.1

Radius: 7.9

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 9.03 AU - 12.93 AU

Year: 16743 Days

Day: 17.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 92,991,987 km

• M1: 98,884 km (0.106 R)
• M2: 580,290 km (0.116 R)
• M3: 1,029,233 km (0.076 R)
• M4: 3,076,630 km (0.051 R)
• M5: 3,360,866 km (0.081 R)
• M6: 3,846,909 km (0.07 R)
• M7: 4,556,901 km (0.113 R)
• M8: 4,832,909 km (0.048 R)
• M9: 5,418,734 km (0.095 R)
• M10: 5,870,520 km (0.091 R)
• M11: 8,608,460 km (0.059 R)
• M12: 11,192,015 km (0.114 R)
• M13: 12,749,927 km (0.074 R)
• M14: 13,929,507 km (0.077 R)
• M15: 14,251,591 km (0.088 R)
• M16: 15,659,307 km (0.089 R)
• M17: 16,719,806 km (0.109 R)
• M18: 17,527,485 km (0.07 R)
• M19: 17,903,125 km (0.063 R)
• M20: 18,904,982 km (0.097 R)
• M21: 19,700,544 km (0.11 R)
• M22: 20,768,074 km (0.042 R)
• M23: 21,188,743 km (0.07 R)
• M24: 24,855,686 km (0.095 R)
• M25: 26,591,171 km (0.055 R)
• M26: 27,488,609 km (0.11 R)
• M27: 29,555,004 km (0.12 R)
• M28: 32,618,769 km (0.12 R)
• M29: 38,731,786 km (0.05 R)
• M30: 45,566,464 km (0.06 R)
• M31: 46,994,675 km (0.058 R)
• M32: 47,283,848 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 219.9

Radius: 6.8

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 11.04 AU - 15.7 AU

Year: 22497 Days

Day: 21 Hours

Environment

Temp: -209 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 92,991,987 km

• M1: 93,499 km (0.118 R)
• M2: 423,811 km (0.063 R)
• M3: 717,023 km (0.065 R)
• M4: 1,893,909 km (0.108 R)
• M5: 2,435,453 km (0.061 R)
• M6: 3,473,812 km (0.118 R)
• M7: 5,669,011 km (0.083 R)
• M8: 6,744,620 km (0.061 R)
• M9: 7,417,212 km (0.1 R)
• M10: 10,071,826 km (0.099 R)
• M11: 18,407,868 km (0.092 R)
• M12: 19,136,410 km (0.103 R)
• M13: 22,334,364 km (0.068 R)
• M14: 22,884,435 km (0.087 R)
• M15: 39,349,775 km (0.059 R)
• M16: 48,629,929 km (0.086 R)
• M17: 52,073,972 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 618.6

Radius: 6.6

Gravity: 14.2 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 14.46 AU - 16.8 AU

Year: 28435 Days

Day: 22.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 92,991,987 km

• M1: 88,412 km (0.075 R)
• M2: 359,484 km (0.115 R)
• M3: 1,993,242 km (0.05 R)
• M4: 5,593,464 km (0.095 R)
• M5: 5,895,502 km (0.099 R)
• M6: 7,164,092 km (0.05 R)
• M7: 8,833,904 km (0.085 R)
• M8: 10,486,212 km (0.083 R)
• M9: 14,875,264 km (0.036 R)
• M10: 18,874,165 km (0.102 R)
• M11: 19,261,025 km (0.12 R)
• M12: 20,150,684 km (0.074 R)
• M13: 20,554,598 km (0.117 R)
• M14: 21,067,270 km (0.113 R)
• M15: 23,313,931 km (0.082 R)
• M16: 24,666,894 km (0.083 R)
• M17: 30,736,678 km (0.114 R)
• M18: 33,195,319 km (0.111 R)
• M19: 35,929,369 km (0.074 R)
• M20: 38,037,503 km (0.097 R)
• M21: 38,654,594 km (0.109 R)
• M22: 49,093,384 km (0.047 R)
• M23: 64,482,965 km (0.1 R)
• M24: 79,740,751 km (0.091 R)
• M25: 92,435,627 km (0.082 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 12,070 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit