🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.42 AU - 0.62 AU

Year: 169 Days

Day: 13.9 Hours

Environment

Temp: 24 °C

Axial Tilt: 39.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.54 AU - 0.84 AU

Year: 258 Days

Day: 25.1 Hours

Environment

Temp: -41 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,608,399 km

• M1: 16,605 km (0.098 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.64 AU - 0.92 AU

Year: 310 Days

Day: 27.8 Hours

Environment

Temp: -35 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.66 AU - 0.94 AU

Year: 322 Days

Day: 19.4 Hours

Environment

Temp: -49 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.11 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.5

Radius: 12.2

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.14 AU - 3.68 AU

Year: 2831 Days

Day: 6.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,608,399 km

• M1: 152,590 km (0.11 R)
• M2: 572,212 km (0.107 R)
• M3: 1,026,241 km (0.093 R)
• M4: 1,570,778 km (0.081 R)
• M5: 2,045,601 km (0.07 R)
• M6: 2,569,792 km (0.072 R)
• M7: 3,272,902 km (0.099 R)
• M8: 4,273,114 km (0.115 R)
• M9: 4,965,004 km (0.101 R)
• M10: 5,677,090 km (0.08 R)
• M11: 6,369,279 km (0.12 R)
• M12: 6,993,551 km (0.115 R)
• M13: 9,004,445 km (0.119 R)
• M14: 10,103,541 km (0.097 R)
• M15: 13,454,982 km (0.106 R)
• M16: 13,987,551 km (0.081 R)
• M17: 17,145,113 km (0.053 R)
• M18: 18,472,495 km (0.031 R)
• M19: 20,685,945 km (0.113 R)
• M20: 21,200,861 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.7

Radius: 11.6

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.83 AU - 7.95 AU

Year: 8131 Days

Day: 7.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,608,399 km

• M1: 144,212 km (0.101 R)
• M2: 796,160 km (0.077 R)
• M3: 1,242,410 km (0.118 R)
• M4: 1,977,085 km (0.052 R)
• M5: 2,900,852 km (0.106 R)
• M6: 3,910,040 km (0.111 R)
• M7: 4,996,718 km (0.103 R)
• M8: 5,976,285 km (0.068 R)
• M9: 6,526,058 km (0.093 R)
• M10: 7,823,071 km (0.091 R)
• M11: 9,212,985 km (0.094 R)
• M12: 9,760,663 km (0.067 R)
• M13: 14,222,718 km (0.105 R)
• M14: 15,154,414 km (0.097 R)
• M15: 15,609,790 km (0.109 R)
• M16: 17,030,820 km (0.09 R)
• M17: 17,689,350 km (0.101 R)
• M18: 19,233,349 km (0.047 R)
• M19: 20,128,842 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.9

Radius: 13.1

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 6.35 AU - 7.71 AU

Year: 8380 Days

Day: 9.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,608,399 km

• M1: 165,306 km (0.109 R)
• M2: 809,175 km (0.098 R)
• M3: 1,243,009 km (0.118 R)
• M4: 2,482,577 km (0.103 R)
• M5: 3,911,087 km (0.102 R)
• M6: 4,656,832 km (0.095 R)
• M7: 5,079,745 km (0.05 R)
• M8: 6,542,962 km (0.105 R)
• M9: 7,114,576 km (0.095 R)
• M10: 7,928,388 km (0.086 R)
• M11: 8,489,978 km (0.1 R)
• M12: 9,358,693 km (0.029 R)
• M13: 10,135,405 km (0.093 R)
• M14: 10,797,825 km (0.104 R)
• M15: 11,817,633 km (0.084 R)
• M16: 13,801,600 km (0.108 R)
• M17: 17,395,390 km (0.119 R)
• M18: 18,720,378 km (0.075 R)
• M19: 20,032,651 km (0.079 R)
• M20: 29,324,474 km (0.119 R)
• M21: 33,932,387 km (0.115 R)
• M22: 34,839,848 km (0.063 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.5

Radius: 9.1

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 6.73 AU - 8.51 AU

Year: 9457 Days

Day: 10.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,608,399 km

• M1: 113,246 km (0.114 R)
• M2: 489,335 km (0.047 R)
• M3: 772,673 km (0.055 R)
• M4: 1,333,515 km (0.051 R)
• M5: 2,430,965 km (0.062 R)
• M6: 3,056,434 km (0.117 R)
• M7: 3,466,482 km (0.109 R)
• M8: 4,314,103 km (0.077 R)
• M9: 7,012,400 km (0.05 R)
• M10: 9,074,457 km (0.061 R)
• M11: 11,034,040 km (0.107 R)
• M12: 15,179,995 km (0.103 R)
• M13: 21,957,377 km (0.085 R)
• M14: 23,571,688 km (0.113 R)
• M15: 27,611,129 km (0.106 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.8

Radius: 8.7

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 6.61 AU - 9.39 AU

Year: 10173 Days

Day: 10.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,608,399 km

• M1: 110,702 km (0.094 R)
• M2: 393,143 km (0.113 R)
• M3: 1,496,128 km (0.115 R)
• M4: 1,975,440 km (0.114 R)
• M5: 2,837,273 km (0.12 R)
• M6: 3,241,187 km (0.103 R)
• M7: 3,531,407 km (0.12 R)
• M8: 3,861,869 km (0.05 R)
• M9: 4,188,740 km (0.069 R)
• M10: 5,481,565 km (0.114 R)
• M11: 6,686,426 km (0.094 R)
• M12: 8,134,384 km (0.062 R)
• M13: 8,673,535 km (0.097 R)
• M14: 8,952,086 km (0.112 R)
• M15: 9,360,189 km (0.117 R)
• M16: 10,524,360 km (0.108 R)
• M17: 11,258,287 km (0.058 R)
• M18: 14,316,666 km (0.076 R)
• M19: 17,007,184 km (0.073 R)
• M20: 18,602,346 km (0.074 R)
• M21: 24,612,739 km (0.106 R)
• M22: 25,739,810 km (0.053 R)
• M23: 28,096,724 km (0.07 R)

Planet 10 - Ice Giant

Semi-Major Axis: 14.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 407.6

Radius: 4.7

Gravity: 18.45 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 10.95 AU - 17.93 AU

Year: 24670 Days

Day: 21.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 108 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,608,399 km

• M1: 58,493 km (0.096 R)
• M2: 251,773 km (0.062 R)
• M3: 646,861 km (0.09 R)
• M4: 4,557,050 km (0.082 R)
• M5: 4,944,359 km (0.112 R)
• M6: 6,366,586 km (0.063 R)
• M7: 8,345,916 km (0.109 R)
• M8: 9,033,318 km (0.069 R)
• M9: 12,429,339 km (0.119 R)
• M10: 15,318,224 km (0.071 R)
• M11: 15,786,914 km (0.107 R)
• M12: 18,890,770 km (0.111 R)
• M13: 22,278,713 km (0.077 R)
• M14: 26,605,832 km (0.115 R)
• M15: 27,055,822 km (0.107 R)
• M16: 37,014,403 km (0.106 R)
• M17: 47,496,127 km (0.107 R)
• M18: 53,676,314 km (0.106 R)
• M19: 55,483,606 km (0.081 R)
• M20: 63,317,748 km (0.04 R)
• M21: 63,717,623 km (0.11 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 14,210 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit