🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.45 AU - 0.73 AU

Year: 288 Days

Day: 24.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 5.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.3

Radius: 14.4

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.19 AU - 1.31 AU

Year: 889 Days

Day: 6.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 131.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 90,915,237 km

• M1: 179,069 km (0.085 R)
• M2: 690,693 km (0.053 R)
• M3: 1,150,707 km (0.111 R)
• M4: 1,754,484 km (0.091 R)
• M5: 2,532,243 km (0.078 R)
• M6: 3,190,324 km (0.103 R)
• M7: 4,797,903 km (0.046 R)
• M8: 5,445,961 km (0.043 R)
• M9: 6,326,793 km (0.093 R)
• M10: 6,965,426 km (0.102 R)
• M11: 8,372,394 km (0.108 R)
• M12: 9,722,814 km (0.031 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.9

Radius: 8.6

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.64 AU - 3.94 AU

Year: 3794 Days

Day: 10.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 90,915,237 km

• M1: 106,962 km (0.055 R)
• M2: 442,959 km (0.114 R)
• M3: 714,479 km (0.086 R)
• M4: 1,007,691 km (0.109 R)
• M5: 1,409,661 km (0.069 R)
• M6: 1,784,553 km (0.043 R)
• M7: 2,693,809 km (0.057 R)
• M8: 3,178,656 km (0.071 R)
• M9: 3,685,044 km (0.119 R)
• M10: 5,142,726 km (0.118 R)
• M11: 5,461,220 km (0.089 R)
• M12: 6,238,830 km (0.112 R)
• M13: 6,869,085 km (0.118 R)
• M14: 7,426,188 km (0.064 R)
• M15: 8,567,320 km (0.083 R)
• M16: 11,382,902 km (0.045 R)
• M17: 13,613,257 km (0.091 R)
• M18: 14,762,767 km (0.114 R)
• M19: 15,175,358 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.3

Radius: 13.2

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.99 AU - 5.59 AU

Year: 6666 Days

Day: 8.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 90,915,237 km

• M1: 164,258 km (0.107 R)
• M2: 686,505 km (0.105 R)
• M3: 1,136,645 km (0.048 R)
• M4: 1,661,883 km (0.037 R)
• M5: 2,100,504 km (0.054 R)
• M6: 2,670,023 km (0.106 R)
• M7: 3,138,713 km (0.088 R)
• M8: 3,662,455 km (0.105 R)
• M9: 4,220,006 km (0.111 R)
• M10: 4,727,442 km (0.115 R)
• M11: 5,247,295 km (0.067 R)
• M12: 5,804,996 km (0.067 R)
• M13: 6,599,211 km (0.108 R)
• M14: 8,482,648 km (0.111 R)
• M15: 9,421,225 km (0.042 R)
• M16: 11,650,832 km (0.039 R)
• M17: 13,553,118 km (0.08 R)
• M18: 14,324,295 km (0.111 R)
• M19: 14,892,917 km (0.051 R)
• M20: 17,965,208 km (0.056 R)
• M21: 22,790,188 km (0.115 R)
• M22: 23,881,056 km (0.067 R)
• M23: 25,582,283 km (0.108 R)
• M24: 26,760,366 km (0.114 R)
• M25: 28,684,345 km (0.107 R)
• M26: 29,680,218 km (0.097 R)
• M27: 30,512,131 km (0.046 R)
• M28: 31,169,764 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.9

Radius: 12.1

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.15 AU - 6.19 AU

Year: 7474 Days

Day: 9.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,915,237 km

• M1: 150,495 km (0.077 R)
• M2: 660,774 km (0.066 R)
• M3: 1,060,051 km (0.109 R)
• M4: 1,672,953 km (0.101 R)
• M5: 2,062,506 km (0.096 R)
• M6: 2,466,869 km (0.091 R)
• M7: 2,941,842 km (0.102 R)
• M8: 3,438,806 km (0.095 R)
• M9: 4,747,040 km (0.116 R)
• M10: 5,705,064 km (0.067 R)
• M11: 7,231,561 km (0.098 R)
• M12: 9,473,884 km (0.078 R)
• M13: 10,397,501 km (0.111 R)
• M14: 11,074,880 km (0.088 R)
• M15: 11,917,116 km (0.068 R)
• M16: 13,829,426 km (0.047 R)
• M17: 19,366,043 km (0.108 R)
• M18: 20,851,699 km (0.103 R)
• M19: 21,656,536 km (0.071 R)
• M20: 24,268,365 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 554.5

Radius: 4.5

Gravity: 27.38 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 6.44 AU - 6.6 AU

Year: 10585 Days

Day: 19.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 90,915,237 km

• M1: 56,099 km (0.116 R)
• M2: 363,822 km (0.071 R)
• M3: 1,307,186 km (0.026 R)
• M4: 1,588,879 km (0.088 R)
• M5: 2,519,378 km (0.08 R)
• M6: 2,868,838 km (0.064 R)
• M7: 3,440,601 km (0.058 R)
• M8: 3,792,156 km (0.106 R)
• M9: 4,030,615 km (0.067 R)
• M10: 4,392,642 km (0.12 R)
• M11: 4,745,544 km (0.103 R)
• M12: 5,277,813 km (0.111 R)
• M13: 6,131,418 km (0.099 R)
• M14: 6,275,930 km (0.111 R)
• M15: 6,459,935 km (0.107 R)
• M16: 7,682,449 km (0.102 R)
• M17: 8,729,036 km (0.049 R)
• M18: 9,239,015 km (0.073 R)
• M19: 9,817,809 km (0.099 R)
• M20: 11,643,801 km (0.074 R)
• M21: 13,994,133 km (0.09 R)
• M22: 14,372,017 km (0.111 R)
• M23: 16,572,602 km (0.077 R)
• M24: 16,853,696 km (0.107 R)
• M25: 20,079,774 km (0.105 R)
• M26: 20,319,131 km (0.052 R)
• M27: 21,461,311 km (0.089 R)
• M28: 22,388,069 km (0.118 R)
• M29: 22,818,163 km (0.083 R)
• M30: 25,983,654 km (0.037 R)
• M31: 32,946,986 km (0.089 R)
• M32: 40,293,139 km (0.073 R)
• M33: 44,479,486 km (0.042 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 892.8

Radius: 6.8

Gravity: 19.31 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 8.81 AU - 12.99 AU

Year: 22881 Days

Day: 18.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 90,915,237 km

• M1: 86,318 km (0.098 R)
• M2: 318,195 km (0.047 R)
• M3: 530,773 km (0.106 R)
• M4: 999,912 km (0.062 R)
• M5: 2,277,029 km (0.12 R)
• M6: 3,145,445 km (0.118 R)
• M7: 3,686,241 km (0.103 R)
• M8: 4,912,944 km (0.053 R)
• M9: 5,472,589 km (0.073 R)
• M10: 5,810,980 km (0.097 R)
• M11: 7,106,647 km (0.05 R)
• M12: 7,407,488 km (0.034 R)
• M13: 7,981,196 km (0.118 R)
• M14: 8,810,866 km (0.062 R)
• M15: 12,347,210 km (0.096 R)
• M16: 13,003,945 km (0.059 R)
• M17: 15,032,192 km (0.072 R)
• M18: 15,950,574 km (0.049 R)
• M19: 20,600,225 km (0.08 R)
• M20: 21,523,244 km (0.067 R)
• M21: 23,231,801 km (0.108 R)
• M22: 28,518,889 km (0.059 R)
• M23: 29,407,351 km (0.097 R)
• M24: 29,923,314 km (0.112 R)
• M25: 35,274,280 km (0.081 R)
• M26: 40,431,069 km (0.071 R)
• M27: 42,528,730 km (0.037 R)
• M28: 43,188,456 km (0.104 R)
• M29: 44,867,693 km (0.037 R)
• M30: 45,723,392 km (0.098 R)
• M31: 46,415,731 km (0.114 R)
• M32: 51,645,822 km (0.113 R)
• M33: 53,154,816 km (0.12 R)
• M34: 62,194,417 km (0.083 R)
• M35: 70,582,968 km (0.112 R)
• M36: 74,329,647 km (0.088 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: 403 - 12,232 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit