🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.5 AU - 0.7 AU

Year: 305 Days

Day: 20.1 Hours

Environment

Temp: -137 °C

Axial Tilt: 3.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.5

Radius: 9.9

Gravity: 9.8 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.68 AU - 0.86 AU

Year: 443 Days

Day: 9.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,831,847 km

• M1: 123,717 km (0.106 R)
• M2: 433,385 km (0.085 R)
• M3: 756,816 km (0.078 R)
• M4: 1,179,280 km (0.118 R)
• M5: 1,828,086 km (0.028 R)
• M6: 2,215,544 km (0.105 R)
• M7: 2,574,879 km (0.069 R)
• M8: 2,905,939 km (0.113 R)
• M9: 3,412,477 km (0.097 R)
• M10: 4,032,710 km (0.078 R)
• M11: 4,836,350 km (0.113 R)
• M12: 5,226,202 km (0.118 R)
• M13: 6,369,578 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.7

Radius: 13.6

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.95 AU - 0.95 AU

Year: 607 Days

Day: 12.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,831,847 km

• M1: 169,345 km (0.085 R)
• M2: 611,706 km (0.076 R)
• M3: 1,191,697 km (0.028 R)
• M4: 1,714,541 km (0.064 R)
• M5: 2,353,025 km (0.056 R)
• M6: 3,420,406 km (0.079 R)
• M7: 3,921,409 km (0.097 R)
• M8: 4,368,856 km (0.112 R)
• M9: 5,024,544 km (0.119 R)
• M10: 6,139,796 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.3

Radius: 8.6

Gravity: 9.44 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.65 AU - 1.75 AU

Year: 1454 Days

Day: 8.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,831,847 km

• M1: 107,411 km (0.106 R)
• M2: 443,258 km (0.082 R)
• M3: 821,592 km (0.048 R)
• M4: 1,378,245 km (0.102 R)
• M5: 1,721,572 km (0.098 R)
• M6: 2,099,307 km (0.104 R)
• M7: 2,381,299 km (0.104 R)
• M8: 2,648,929 km (0.057 R)
• M9: 2,979,541 km (0.113 R)
• M10: 3,353,087 km (0.114 R)
• M11: 4,051,260 km (0.103 R)
• M12: 4,704,255 km (0.085 R)
• M13: 5,004,946 km (0.116 R)
• M14: 5,644,926 km (0.087 R)
• M15: 7,035,588 km (0.106 R)
• M16: 7,537,190 km (0.094 R)
• M17: 8,941,315 km (0.117 R)
• M18: 9,850,272 km (0.112 R)
• M19: 10,144,531 km (0.109 R)
• M20: 11,924,297 km (0.06 R)
• M21: 12,752,919 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.6

Radius: 10

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.08 AU - 3.38 AU

Year: 2959 Days

Day: 14.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 80.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,831,847 km

• M1: 124,465 km (0.09 R)
• M2: 485,744 km (0.12 R)
• M3: 1,221,167 km (0.07 R)
• M4: 1,600,099 km (0.094 R)
• M5: 1,944,772 km (0.078 R)
• M6: 2,283,611 km (0.078 R)
• M7: 3,875,482 km (0.083 R)
• M8: 4,395,784 km (0.105 R)
• M9: 5,374,453 km (0.119 R)
• M10: 6,295,976 km (0.101 R)
• M11: 8,620,727 km (0.106 R)
• M12: 10,070,181 km (0.083 R)
• M13: 11,341,763 km (0.118 R)
• M14: 14,153,155 km (0.086 R)
• M15: 14,589,532 km (0.109 R)
• M16: 15,952,668 km (0.056 R)
• M17: 17,899,834 km (0.085 R)
• M18: 18,640,343 km (0.115 R)

Asteroid Belt

Center: 3.61 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.6

Radius: 15

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.38 AU - 5.58 AU

Year: 6221 Days

Day: 7.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,831,847 km

• M1: 188,643 km (0.103 R)
• M2: 711,039 km (0.115 R)
• M3: 1,234,182 km (0.041 R)
• M4: 1,833,621 km (0.118 R)
• M5: 3,177,309 km (0.086 R)
• M6: 3,710,476 km (0.063 R)
• M7: 5,192,991 km (0.089 R)
• M8: 5,745,306 km (0.102 R)
• M9: 6,543,112 km (0.092 R)
• M10: 7,115,174 km (0.041 R)
• M11: 8,278,447 km (0.088 R)
• M12: 8,820,590 km (0.114 R)
• M13: 10,590,931 km (0.106 R)
• M14: 11,585,906 km (0.117 R)
• M15: 14,825,747 km (0.103 R)
• M16: 16,007,122 km (0.091 R)
• M17: 18,486,706 km (0.085 R)
• M18: 19,270,899 km (0.092 R)
• M19: 23,446,773 km (0.054 R)
• M20: 26,009,983 km (0.092 R)
• M21: 26,724,014 km (0.08 R)
• M22: 33,226,734 km (0.038 R)
• M23: 37,800,540 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 590.2

Radius: 4.8

Gravity: 25.62 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.32 AU - 7.26 AU

Year: 10349 Days

Day: 16.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 36,831,847 km

• M1: 59,989 km (0.118 R)
• M2: 246,986 km (0.067 R)
• M3: 529,427 km (0.094 R)
• M4: 704,008 km (0.117 R)
• M5: 1,488,798 km (0.112 R)
• M6: 1,659,639 km (0.069 R)
• M7: 2,162,437 km (0.077 R)
• M8: 2,617,065 km (0.111 R)
• M9: 3,390,785 km (0.051 R)
• M10: 3,713,767 km (0.093 R)
• M11: 4,596,095 km (0.11 R)
• M12: 4,867,616 km (0.079 R)
• M13: 5,644,178 km (0.12 R)
• M14: 7,156,463 km (0.116 R)
• M15: 7,398,363 km (0.114 R)
• M16: 7,604,060 km (0.107 R)
• M17: 10,900,598 km (0.041 R)
• M18: 11,602,661 km (0.091 R)
• M19: 13,036,706 km (0.038 R)
• M20: 13,642,129 km (0.03 R)
• M21: 14,456,839 km (0.042 R)
• M22: 15,303,563 km (0.096 R)
• M23: 21,171,240 km (0.106 R)
• M24: 21,586,374 km (0.079 R)
• M25: 22,863,940 km (0.058 R)
• M26: 24,101,115 km (0.051 R)
• M27: 24,736,158 km (0.093 R)
• M28: 25,104,019 km (0.072 R)
• M29: 35,528,746 km (0.063 R)
• M30: 37,789,469 km (0.099 R)
• M31: 39,141,236 km (0.114 R)
• M32: 41,293,201 km (0.077 R)
• M33: 45,281,031 km (0.076 R)
• M34: 45,693,323 km (0.032 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 247.8

Radius: 4.4

Gravity: 12.8 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.87 AU - 7.39 AU

Year: 11199 Days

Day: 18.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,831,847 km

• M1: 119,828 km (0.12 R)
• M2: 468,092 km (0.107 R)
• M3: 2,072,828 km (0.102 R)
• M4: 2,958,447 km (0.105 R)
• M5: 4,876,143 km (0.085 R)
• M6: 5,376,547 km (0.07 R)
• M7: 6,307,944 km (0.09 R)
• M8: 6,758,682 km (0.09 R)
• M9: 7,230,364 km (0.089 R)
• M10: 10,295,176 km (0.092 R)
• M11: 10,724,372 km (0.117 R)
• M12: 14,837,117 km (0.103 R)
• M13: 15,139,753 km (0.108 R)
• M14: 16,519,794 km (0.083 R)
• M15: 16,910,244 km (0.112 R)
• M16: 19,672,120 km (0.081 R)
• M17: 33,620,177 km (0.087 R)
• M18: 36,064,905 km (0.088 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 465 - 18,873 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit