🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.44 AU - 0.6 AU

Year: 242 Days

Day: 22.6 Hours

Environment

Temp: -109 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.5 AU - 0.58 AU

Year: 256 Days

Day: 43.6 Hours

Environment

Temp: -123 °C

Axial Tilt: 88.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.84 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.5

Radius: 11.2

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.39 AU - 3.89 AU

Year: 3593 Days

Day: 12.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,859,755 km

• M1: 139,276 km (0.084 R)
• M2: 540,198 km (0.104 R)
• M3: 1,383,032 km (0.079 R)
• M4: 1,795,773 km (0.065 R)
• M5: 2,365,292 km (0.086 R)
• M6: 3,158,460 km (0.043 R)
• M7: 5,512,831 km (0.07 R)
• M8: 7,637,869 km (0.1 R)
• M9: 10,502,967 km (0.086 R)
• M10: 10,963,729 km (0.118 R)
• M11: 11,512,155 km (0.076 R)
• M12: 12,506,083 km (0.069 R)
• M13: 13,145,614 km (0.087 R)
• M14: 13,722,912 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.6

Radius: 11

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.46 AU - 5.16 AU

Year: 6811 Days

Day: 9.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,859,755 km

• M1: 136,882 km (0.105 R)
• M2: 703,858 km (0.06 R)
• M3: 1,133,204 km (0.106 R)
• M4: 1,495,979 km (0.117 R)
• M5: 2,259,077 km (0.092 R)
• M6: 2,738,239 km (0.099 R)
• M7: 3,205,134 km (0.109 R)
• M8: 3,812,951 km (0.09 R)
• M9: 4,471,331 km (0.088 R)
• M10: 5,484,408 km (0.079 R)
• M11: 6,579,314 km (0.099 R)
• M12: 8,034,303 km (0.078 R)
• M13: 9,116,793 km (0.105 R)
• M14: 12,147,945 km (0.064 R)
• M15: 12,999,606 km (0.1 R)
• M16: 13,413,843 km (0.119 R)
• M17: 13,998,022 km (0.037 R)
• M18: 16,028,963 km (0.074 R)
• M19: 16,686,894 km (0.082 R)
• M20: 18,966,616 km (0.098 R)
• M21: 19,975,205 km (0.11 R)
• M22: 21,735,075 km (0.104 R)
• M23: 23,443,333 km (0.099 R)
• M24: 24,135,522 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.1

Radius: 14.7

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 5.2 AU - 6.12 AU

Year: 8694 Days

Day: 9.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,859,755 km

• M1: 182,958 km (0.041 R)
• M2: 1,081,892 km (0.088 R)
• M3: 1,559,558 km (0.086 R)
• M4: 2,242,322 km (0.08 R)
• M5: 2,804,212 km (0.044 R)
• M6: 3,543,824 km (0.096 R)
• M7: 5,330,771 km (0.102 R)
• M8: 6,187,069 km (0.103 R)
• M9: 6,730,707 km (0.05 R)
• M10: 12,552,159 km (0.037 R)
• M11: 13,479,516 km (0.095 R)
• M12: 15,183,286 km (0.102 R)
• M13: 17,906,267 km (0.068 R)
• M14: 19,756,643 km (0.064 R)
• M15: 21,297,501 km (0.104 R)
• M16: 23,834,681 km (0.084 R)
• M17: 24,935,871 km (0.04 R)
• M18: 27,409,471 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 435.7

Radius: 6.6

Gravity: 10 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 7.91 AU - 9.01 AU

Year: 15888 Days

Day: 22.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,859,755 km

• M1: 82,578 km (0.072 R)
• M2: 303,085 km (0.118 R)
• M3: 670,797 km (0.058 R)
• M4: 947,403 km (0.098 R)
• M5: 1,325,587 km (0.08 R)
• M6: 1,565,243 km (0.076 R)
• M7: 1,867,430 km (0.077 R)
• M8: 2,151,666 km (0.109 R)
• M9: 3,085,157 km (0.086 R)
• M10: 3,944,746 km (0.056 R)
• M11: 5,087,824 km (0.12 R)
• M12: 9,055,159 km (0.066 R)
• M13: 9,663,274 km (0.063 R)
• M14: 10,083,644 km (0.097 R)
• M15: 12,431,733 km (0.102 R)
• M16: 14,096,159 km (0.1 R)
• M17: 15,903,899 km (0.106 R)
• M18: 17,549,625 km (0.056 R)
• M19: 18,413,703 km (0.081 R)
• M20: 22,609,624 km (0.039 R)
• M21: 23,350,133 km (0.071 R)
• M22: 28,030,901 km (0.061 R)
• M23: 28,349,245 km (0.065 R)
• M24: 30,646,021 km (0.119 R)
• M25: 33,300,785 km (0.071 R)
• M26: 33,657,875 km (0.083 R)
• M27: 34,867,075 km (0.075 R)
• M28: 41,212,568 km (0.109 R)
• M29: 47,831,675 km (0.082 R)
• M30: 49,823,122 km (0.068 R)
• M31: 50,134,286 km (0.071 R)
• M32: 52,028,793 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.1

Radius: 3.1

Gravity: 14.99 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 7.65 AU - 12.23 AU

Year: 20235 Days

Day: 16.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,859,755 km

• M1: 42,935 km (0.079 R)
• M2: 208,240 km (0.106 R)
• M3: 442,660 km (0.026 R)
• M4: 600,187 km (0.05 R)
• M5: 1,691,054 km (0.119 R)
• M6: 4,416,279 km (0.066 R)
• M7: 6,784,114 km (0.062 R)
• M8: 7,619,768 km (0.063 R)
• M9: 14,493,191 km (0.074 R)
• M10: 16,005,476 km (0.064 R)
• M11: 24,524,925 km (0.083 R)
• M12: 26,093,309 km (0.034 R)
• M13: 36,220,038 km (0.106 R)
• M14: 42,533,517 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301

Radius: 5.1

Gravity: 11.57 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 9.95 AU - 11.15 AU

Year: 22126 Days

Day: 23.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,859,755 km

• M1: 69,114 km (0.116 R)
• M2: 298,149 km (0.109 R)
• M3: 1,006,195 km (0.045 R)
• M4: 3,901,961 km (0.061 R)
• M5: 4,292,561 km (0.098 R)
• M6: 4,943,761 km (0.114 R)
• M7: 9,850,870 km (0.077 R)
• M8: 10,860,656 km (0.106 R)
• M9: 12,061,478 km (0.054 R)
• M10: 17,038,599 km (0.047 R)
• M11: 18,077,706 km (0.047 R)
• M12: 24,908,793 km (0.037 R)
• M13: 26,140,582 km (0.049 R)
• M14: 34,772,080 km (0.044 R)
• M15: 48,039,317 km (0.079 R)
• M16: 51,403,923 km (0.115 R)
• M17: 57,885,400 km (0.056 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158

Radius: 5.9

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 9.35 AU - 12.15 AU

Year: 22758 Days

Day: 21.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,859,755 km

• M1: 93,199 km (0.086 R)
• M2: 4,578,892 km (0.119 R)
• M3: 4,857,293 km (0.058 R)
• M4: 5,379,839 km (0.105 R)
• M5: 5,867,228 km (0.11 R)
• M6: 6,652,917 km (0.088 R)
• M7: 7,720,148 km (0.094 R)
• M8: 8,662,016 km (0.038 R)
• M9: 20,653,183 km (0.097 R)
• M10: 22,279,461 km (0.081 R)
• M11: 28,075,332 km (0.114 R)
• M12: 29,746,639 km (0.107 R)
• M13: 31,372,768 km (0.054 R)
• M14: 32,602,313 km (0.095 R)
• M15: 34,919,434 km (0.079 R)
• M16: 44,446,575 km (0.071 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 13,235 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit