🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.22 AU - 1.48 AU

Year: 594 Days

Day: 38.2 Hours

Environment

Temp: -28 °C

Axial Tilt: 12.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.38 AU - 2.18 AU

Year: 899 Days

Day: 14.7 Hours

Environment

Temp: -69 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.11 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.3

Radius: 9.5

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5 AU - 7.86 AU

Year: 6175 Days

Day: 10.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 54,858,154 km

• M1: 156,928 km (0.08 R)
• M2: 671,096 km (0.07 R)
• M3: 1,133,353 km (0.063 R)
• M4: 1,557,314 km (0.083 R)
• M5: 2,247,259 km (0.03 R)
• M6: 3,256,147 km (0.058 R)
• M7: 3,613,537 km (0.038 R)
• M8: 5,135,396 km (0.118 R)
• M9: 5,621,589 km (0.106 R)
• M10: 6,305,999 km (0.117 R)
• M11: 6,615,966 km (0.026 R)
• M12: 7,118,315 km (0.08 R)
• M13: 7,880,068 km (0.069 R)
• M14: 8,199,459 km (0.063 R)
• M15: 9,254,124 km (0.116 R)
• M16: 9,791,480 km (0.114 R)
• M17: 10,254,934 km (0.092 R)
• M18: 11,579,773 km (0.11 R)
• M19: 13,181,966 km (0.116 R)
• M20: 13,862,337 km (0.111 R)
• M21: 17,553,365 km (0.105 R)
• M22: 18,516,626 km (0.072 R)
• M23: 19,226,019 km (0.081 R)
• M24: 20,926,199 km (0.092 R)
• M25: 21,773,970 km (0.055 R)
• M26: 24,793,454 km (0.103 R)
• M27: 27,075,270 km (0.12 R)
• M28: 32,765,524 km (0.082 R)
• M29: 36,492,306 km (0.099 R)
• M30: 37,719,458 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25

Radius: 8

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 9.12 AU - 12.08 AU

Year: 13071 Days

Day: 10.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,858,154 km

• M1: 99,632 km (0.114 R)
• M2: 565,480 km (0.058 R)
• M3: 903,272 km (0.051 R)
• M4: 1,374,206 km (0.096 R)
• M5: 2,216,741 km (0.1 R)
• M6: 2,505,764 km (0.077 R)
• M7: 7,546,016 km (0.081 R)
• M8: 10,601,104 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.2

Radius: 9

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 9.32 AU - 14.16 AU

Year: 15235 Days

Day: 5.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,858,154 km

• M1: 112,049 km (0.117 R)
• M2: 575,802 km (0.079 R)
• M3: 969,245 km (0.106 R)
• M4: 1,566,290 km (0.101 R)
• M5: 2,144,186 km (0.12 R)
• M6: 2,597,767 km (0.034 R)
• M7: 4,576,947 km (0.106 R)
• M8: 5,020,205 km (0.047 R)
• M9: 7,478,398 km (0.061 R)
• M10: 8,010,218 km (0.116 R)
• M11: 10,244,313 km (0.112 R)
• M12: 11,584,560 km (0.116 R)
• M13: 12,408,994 km (0.108 R)
• M14: 13,096,246 km (0.12 R)
• M15: 13,389,907 km (0.078 R)
• M16: 23,005,161 km (0.101 R)
• M17: 30,716,931 km (0.099 R)
• M18: 31,236,185 km (0.112 R)
• M19: 32,399,308 km (0.083 R)
• M20: 36,292,144 km (0.12 R)
• M21: 37,341,274 km (0.099 R)
• M22: 38,771,579 km (0.033 R)
• M23: 42,763,449 km (0.094 R)
• M24: 43,281,058 km (0.058 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 686.9

Radius: 4.8

Gravity: 29.81 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 12.69 AU - 13.51 AU

Year: 17958 Days

Day: 22.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 54,858,154 km

• M1: 64,177 km (0.097 R)
• M2: 215,271 km (0.095 R)
• M3: 715,527 km (0.072 R)
• M4: 1,014,423 km (0.105 R)
• M5: 1,261,858 km (0.066 R)
• M6: 2,490,954 km (0.116 R)
• M7: 3,096,227 km (0.091 R)
• M8: 3,255,100 km (0.096 R)
• M9: 4,764,393 km (0.059 R)
• M10: 5,929,611 km (0.107 R)
• M11: 8,340,979 km (0.114 R)
• M12: 8,494,317 km (0.111 R)
• M13: 9,126,667 km (0.094 R)
• M14: 9,344,332 km (0.101 R)
• M15: 12,497,257 km (0.11 R)
• M16: 13,453,636 km (0.086 R)
• M17: 14,457,737 km (0.101 R)
• M18: 15,129,132 km (0.066 R)
• M19: 16,775,905 km (0.115 R)
• M20: 19,599,266 km (0.084 R)
• M21: 24,456,110 km (0.044 R)
• M22: 29,699,665 km (0.118 R)
• M23: 30,298,057 km (0.113 R)
• M24: 34,581,792 km (0.065 R)
• M25: 43,094,808 km (0.025 R)
• M26: 43,553,625 km (0.099 R)
• M27: 49,819,382 km (0.079 R)
• M28: 51,861,692 km (0.113 R)
• M29: 53,782,230 km (0.07 R)
• M30: 56,294,576 km (0.118 R)
• M31: 58,509,223 km (0.079 R)
• M32: 63,505,642 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 284.7

Radius: 5.7

Gravity: 8.76 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 11.44 AU - 18.78 AU

Year: 22246 Days

Day: 15.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 54,858,154 km

• M1: 113,844 km (0.061 R)
• M2: 311,014 km (0.09 R)
• M3: 495,169 km (0.12 R)
• M4: 773,720 km (0.112 R)
• M5: 1,080,545 km (0.11 R)
• M6: 1,602,492 km (0.11 R)
• M7: 1,798,466 km (0.105 R)
• M8: 3,281,728 km (0.107 R)
• M9: 3,654,975 km (0.03 R)
• M10: 4,811,217 km (0.074 R)
• M11: 6,555,079 km (0.054 R)
• M12: 7,411,079 km (0.062 R)
• M13: 8,195,271 km (0.047 R)
• M14: 8,387,504 km (0.105 R)
• M15: 13,823,142 km (0.074 R)
• M16: 14,096,009 km (0.086 R)
• M17: 15,514,047 km (0.034 R)
• M18: 17,815,461 km (0.099 R)
• M19: 18,547,892 km (0.117 R)
• M20: 20,247,174 km (0.112 R)
• M21: 23,952,115 km (0.066 R)
• M22: 24,643,856 km (0.053 R)
• M23: 28,743,136 km (0.116 R)
• M24: 34,259,857 km (0.106 R)
• M25: 35,645,732 km (0.113 R)
• M26: 40,303,462 km (0.054 R)
• M27: 44,457,495 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.4

Radius: 3.6

Gravity: 12.45 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 14.7 AU - 18.16 AU

Year: 25223 Days

Day: 22.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,858,154 km

• M1: 44,879 km (0.113 R)
• M2: 179,667 km (0.075 R)
• M3: 359,184 km (0.081 R)
• M4: 581,936 km (0.093 R)
• M5: 1,662,032 km (0.078 R)
• M6: 2,123,991 km (0.066 R)
• M7: 2,538,676 km (0.11 R)
• M8: 6,814,482 km (0.064 R)
• M9: 7,315,785 km (0.074 R)
• M10: 7,575,487 km (0.115 R)
• M11: 9,015,964 km (0.105 R)
• M12: 18,605,038 km (0.07 R)
• M13: 19,580,267 km (0.064 R)
• M14: 21,809,275 km (0.118 R)
• M15: 30,711,545 km (0.071 R)
• M16: 42,311,065 km (0.099 R)
• M17: 42,588,270 km (0.107 R)
• M18: 48,388,778 km (0.046 R)
• M19: 51,005,544 km (0.039 R)
• M20: 54,203,049 km (0.081 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 15,513 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit