🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.07 AU - 1.27 AU

Year: 455 Days

Day: 12.5 Hours

Environment

Temp: 26 °C

Axial Tilt: 21.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.55 AU - 5.65 AU

Year: 3551 Days

Day: 20.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.92 AU - 5.8 AU

Year: 3856 Days

Day: 26.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 75.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.7

Radius: 10.2

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 8.06 AU - 8.5 AU

Year: 8575 Days

Day: 8.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,157,952 km

• M1: 126,859 km (0.114 R)
• M2: 492,626 km (0.098 R)
• M3: 903,122 km (0.106 R)
• M4: 1,874,162 km (0.103 R)
• M5: 3,033,695 km (0.116 R)
• M6: 3,647,495 km (0.038 R)
• M7: 5,722,418 km (0.096 R)
• M8: 8,998,910 km (0.095 R)
• M9: 10,757,284 km (0.09 R)
• M10: 11,549,554 km (0.087 R)
• M11: 12,480,502 km (0.052 R)
• M12: 12,887,258 km (0.109 R)
• M13: 18,157,591 km (0.12 R)
• M14: 18,812,381 km (0.113 R)
• M15: 27,858,564 km (0.026 R)
• M16: 29,798,699 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 855.4

Radius: 7.6

Gravity: 14.81 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 12.46 AU - 14.16 AU

Year: 17476 Days

Day: 22.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,157,952 km

• M1: 102,774 km (0.06 R)
• M2: 357,240 km (0.106 R)
• M3: 666,309 km (0.067 R)
• M4: 1,583,045 km (0.107 R)
• M5: 1,995,187 km (0.094 R)
• M6: 2,432,312 km (0.089 R)
• M7: 4,102,273 km (0.06 R)
• M8: 5,440,276 km (0.115 R)
• M9: 5,795,721 km (0.097 R)
• M10: 6,774,839 km (0.068 R)
• M11: 7,518,041 km (0.092 R)
• M12: 9,556,462 km (0.057 R)
• M13: 10,855,869 km (0.074 R)
• M14: 12,743,195 km (0.054 R)
• M15: 13,019,652 km (0.081 R)
• M16: 13,513,176 km (0.107 R)
• M17: 16,657,424 km (0.084 R)
• M18: 17,662,721 km (0.031 R)
• M19: 18,180,180 km (0.054 R)
• M20: 20,071,397 km (0.073 R)
• M21: 20,825,220 km (0.078 R)
• M22: 22,590,026 km (0.107 R)
• M23: 26,191,446 km (0.088 R)
• M24: 34,107,866 km (0.1 R)
• M25: 35,452,152 km (0.047 R)
• M26: 37,817,743 km (0.08 R)
• M27: 42,399,029 km (0.116 R)
• M28: 44,902,250 km (0.047 R)
• M29: 47,007,391 km (0.116 R)
• M30: 49,346,952 km (0.057 R)
• M31: 50,029,418 km (0.115 R)
• M32: 54,257,053 km (0.097 R)
• M33: 56,643,588 km (0.117 R)
• M34: 65,855,227 km (0.062 R)
• M35: 67,516,511 km (0.043 R)
• M36: 69,205,471 km (0.097 R)
• M37: 74,665,045 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.7

Radius: 5.1

Gravity: 25.4 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 14.1 AU - 16.66 AU

Year: 21707 Days

Day: 15.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,157,952 km

• M1: 63,429 km (0.118 R)
• M2: 225,893 km (0.104 R)
• M3: 453,132 km (0.045 R)
• M4: 736,919 km (0.115 R)
• M5: 1,028,635 km (0.072 R)
• M6: 1,201,720 km (0.106 R)
• M7: 1,410,110 km (0.077 R)
• M8: 1,767,948 km (0.098 R)
• M9: 2,358,859 km (0.077 R)
• M10: 3,236,999 km (0.088 R)
• M11: 3,952,974 km (0.101 R)
• M12: 4,842,184 km (0.051 R)
• M13: 5,179,078 km (0.037 R)
• M14: 6,729,660 km (0.103 R)
• M15: 6,960,639 km (0.078 R)
• M16: 8,619,680 km (0.114 R)
• M17: 10,774,039 km (0.038 R)
• M18: 11,090,289 km (0.086 R)
• M19: 12,211,973 km (0.054 R)
• M20: 12,486,485 km (0.098 R)
• M21: 19,900,706 km (0.114 R)
• M22: 21,252,921 km (0.116 R)
• M23: 21,650,103 km (0.086 R)
• M24: 22,052,372 km (0.1 R)
• M25: 24,138,664 km (0.087 R)
• M26: 26,581,447 km (0.105 R)
• M27: 29,306,223 km (0.11 R)
• M28: 35,303,452 km (0.113 R)
• M29: 35,860,554 km (0.112 R)
• M30: 47,590,823 km (0.103 R)
• M31: 49,302,372 km (0.079 R)
• M32: 50,348,809 km (0.034 R)
• M33: 58,867,510 km (0.063 R)
• M34: 60,639,347 km (0.088 R)
• M35: 61,438,200 km (0.105 R)
• M36: 77,509,050 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197.1

Radius: 4.7

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 13.25 AU - 21.63 AU

Year: 26211 Days

Day: 16.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,157,952 km

• M1: 58,642 km (0.057 R)
• M2: 269,575 km (0.11 R)
• M3: 470,635 km (0.074 R)
• M4: 920,775 km (0.114 R)
• M5: 1,176,886 km (0.056 R)
• M6: 1,601,296 km (0.036 R)
• M7: 2,399,849 km (0.092 R)
• M8: 3,876,081 km (0.052 R)
• M9: 4,385,162 km (0.053 R)
• M10: 6,338,013 km (0.059 R)
• M11: 6,914,862 km (0.11 R)
• M12: 7,172,470 km (0.097 R)
• M13: 7,570,849 km (0.096 R)
• M14: 7,752,610 km (0.061 R)
• M15: 8,755,066 km (0.101 R)
• M16: 10,556,374 km (0.049 R)
• M17: 11,071,738 km (0.058 R)
• M18: 11,483,881 km (0.109 R)
• M19: 12,590,905 km (0.087 R)
• M20: 12,782,091 km (0.099 R)
• M21: 13,170,148 km (0.083 R)
• M22: 14,520,867 km (0.049 R)
• M23: 16,563,327 km (0.107 R)
• M24: 17,180,268 km (0.083 R)
• M25: 17,732,434 km (0.116 R)
• M26: 24,313,544 km (0.062 R)
• M27: 25,109,853 km (0.039 R)
• M28: 28,142,202 km (0.104 R)
• M29: 31,644,288 km (0.055 R)
• M30: 32,116,269 km (0.087 R)
• M31: 33,316,792 km (0.026 R)
• M32: 37,490,573 km (0.118 R)
• M33: 42,569,720 km (0.094 R)
• M34: 46,098,285 km (0.065 R)
• M35: 49,183,741 km (0.047 R)
• M36: 49,816,989 km (0.105 R)
• M37: 53,397,015 km (0.06 R)

Kuiper Belt

Range: 30.5 - 45.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 534 - 19,054 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit