🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.5 AU - 0.52 AU

Year: 239 Days

Day: 34.7 Hours

Environment

Temp: -122 °C

Axial Tilt: 10.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495

Radius: 12.3

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.21 AU - 1.57 AU

Year: 1075 Days

Day: 12.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,735,683 km

• M1: 153,039 km (0.071 R)
• M2: 665,860 km (0.072 R)
• M3: 1,054,665 km (0.116 R)
• M4: 1,498,821 km (0.119 R)
• M5: 2,118,904 km (0.092 R)
• M6: 2,967,872 km (0.052 R)
• M7: 3,891,938 km (0.035 R)
• M8: 4,625,865 km (0.065 R)
• M9: 5,508,343 km (0.117 R)
• M10: 6,521,719 km (0.08 R)
• M11: 8,154,281 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.1

Radius: 13.1

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.25 AU - 2.37 AU

Year: 2303 Days

Day: 12.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,735,683 km

• M1: 162,912 km (0.064 R)
• M2: 658,979 km (0.085 R)
• M3: 1,150,108 km (0.074 R)
• M4: 1,693,897 km (0.103 R)
• M5: 2,331,782 km (0.111 R)
• M6: 3,750,867 km (0.115 R)
• M7: 4,340,582 km (0.085 R)
• M8: 6,163,432 km (0.073 R)
• M9: 8,605,618 km (0.118 R)
• M10: 9,502,606 km (0.056 R)
• M11: 10,042,505 km (0.11 R)
• M12: 10,460,930 km (0.073 R)
• M13: 13,097,593 km (0.102 R)
• M14: 14,547,645 km (0.026 R)
• M15: 15,129,581 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.9

Radius: 9.1

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.83 AU - 3.45 AU

Year: 3650 Days

Day: 12.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,735,683 km

• M1: 113,844 km (0.054 R)
• M2: 436,975 km (0.095 R)
• M3: 797,207 km (0.026 R)
• M4: 1,243,757 km (0.101 R)
• M5: 1,615,956 km (0.062 R)
• M6: 2,490,206 km (0.067 R)
• M7: 3,056,284 km (0.105 R)
• M8: 3,526,321 km (0.096 R)
• M9: 4,121,870 km (0.084 R)
• M10: 4,675,233 km (0.087 R)
• M11: 5,855,111 km (0.109 R)
• M12: 6,394,711 km (0.107 R)
• M13: 7,165,289 km (0.067 R)
• M14: 8,824,479 km (0.078 R)
• M15: 9,603,735 km (0.116 R)
• M16: 9,956,486 km (0.108 R)
• M17: 11,612,684 km (0.104 R)
• M18: 13,357,743 km (0.08 R)
• M19: 16,094,936 km (0.077 R)
• M20: 16,643,661 km (0.063 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 509

Radius: 5.5

Gravity: 16.83 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 5.2 AU - 6.6 AU

Year: 9401 Days

Day: 18.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 53,735,683 km

• M1: 69,264 km (0.097 R)
• M2: 327,470 km (0.099 R)
• M3: 750,084 km (0.096 R)
• M4: 971,788 km (0.111 R)
• M5: 1,158,187 km (0.081 R)
• M6: 1,618,200 km (0.054 R)
• M7: 2,091,079 km (0.068 R)
• M8: 2,315,027 km (0.086 R)
• M9: 2,893,522 km (0.083 R)
• M10: 4,932,242 km (0.087 R)
• M11: 5,330,621 km (0.119 R)
• M12: 5,883,535 km (0.085 R)
• M13: 7,179,501 km (0.108 R)
• M14: 9,053,214 km (0.108 R)
• M15: 9,603,136 km (0.12 R)
• M16: 9,791,330 km (0.116 R)
• M17: 10,078,259 km (0.04 R)
• M18: 11,023,867 km (0.076 R)
• M19: 12,300,984 km (0.038 R)
• M20: 13,912,153 km (0.083 R)
• M21: 14,397,149 km (0.094 R)
• M22: 15,209,167 km (0.113 R)
• M23: 16,051,403 km (0.072 R)
• M24: 16,316,640 km (0.119 R)
• M25: 18,545,199 km (0.05 R)
• M26: 21,525,787 km (0.107 R)
• M27: 23,087,290 km (0.1 R)
• M28: 24,722,694 km (0.065 R)
• M29: 26,249,938 km (0.07 R)
• M30: 27,839,117 km (0.108 R)
• M31: 28,511,858 km (0.119 R)
• M32: 30,798,162 km (0.096 R)
• M33: 35,957,643 km (0.104 R)
• M34: 36,184,284 km (0.118 R)
• M35: 38,622,281 km (0.075 R)
• M36: 39,338,406 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.5

Radius: 3.8

Gravity: 21.02 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 5.58 AU - 8.2 AU

Year: 11864 Days

Day: 24.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,735,683 km

• M1: 123,418 km (0.055 R)
• M2: 415,433 km (0.107 R)
• M3: 1,207,853 km (0.114 R)
• M4: 1,598,902 km (0.098 R)
• M5: 2,805,110 km (0.115 R)
• M6: 4,133,539 km (0.106 R)
• M7: 7,582,817 km (0.038 R)
• M8: 7,702,645 km (0.117 R)
• M9: 12,405,254 km (0.085 R)
• M10: 16,091,345 km (0.101 R)
• M11: 20,445,840 km (0.046 R)
• M12: 31,075,966 km (0.08 R)
• M13: 34,677,385 km (0.111 R)
• M14: 37,265,129 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396.5

Radius: 5.4

Gravity: 13.6 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 7.78 AU - 8.76 AU

Year: 15602 Days

Day: 20.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 53,735,683 km

• M1: 81,232 km (0.114 R)
• M2: 282,890 km (0.037 R)
• M3: 529,576 km (0.103 R)
• M4: 936,333 km (0.062 R)
• M5: 1,270,684 km (0.109 R)
• M6: 1,501,813 km (0.094 R)
• M7: 1,825,692 km (0.105 R)
• M8: 2,251,897 km (0.049 R)
• M9: 3,958,808 km (0.043 R)
• M10: 6,816,128 km (0.11 R)
• M11: 7,355,129 km (0.101 R)
• M12: 8,996,218 km (0.116 R)
• M13: 9,291,673 km (0.099 R)
• M14: 10,163,979 km (0.101 R)
• M15: 10,538,572 km (0.048 R)
• M16: 12,010,764 km (0.077 R)
• M17: 16,208,630 km (0.102 R)
• M18: 18,318,110 km (0.065 R)
• M19: 18,872,819 km (0.114 R)
• M20: 21,031,067 km (0.093 R)
• M21: 28,483,285 km (0.068 R)
• M22: 30,202,913 km (0.104 R)
• M23: 30,976,483 km (0.114 R)
• M24: 32,794,247 km (0.045 R)
• M25: 34,203,309 km (0.108 R)
• M26: 35,408,021 km (0.067 R)
• M27: 35,774,835 km (0.111 R)
• M28: 38,157,480 km (0.042 R)
• M29: 41,180,554 km (0.087 R)
• M30: 41,858,232 km (0.099 R)
• M31: 43,795,225 km (0.048 R)
• M32: 45,791,160 km (0.043 R)
• M33: 52,457,989 km (0.11 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 19,065 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit