🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.6 AU - 0.64 AU

Year: 209 Days

Day: 43.8 Hours

Environment

Temp: 29 °C

Axial Tilt: 19 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.79 AU - 1.83 AU

Year: 1041 Days

Day: 26 Hours

Environment

Temp: -107 °C

Axial Tilt: 3.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,516,444 km

• M1: 1,393,355 km (0.117 R)

Asteroid Belt

Center: 2.12 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.28 AU - 2.56 AU

Year: 1609 Days

Day: 35.1 Hours

Environment

Temp: -135 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.18 AU - 3 AU

Year: 1782 Days

Day: 26.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.9

Radius: 8.5

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.45 AU - 3.33 AU

Year: 2100 Days

Day: 7.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,516,444 km

• M1: 105,766 km (0.103 R)
• M2: 418,874 km (0.083 R)
• M3: 699,819 km (0.1 R)
• M4: 1,230,891 km (0.115 R)
• M5: 1,851,872 km (0.105 R)
• M6: 2,316,074 km (0.032 R)
• M7: 3,022,924 km (0.089 R)
• M8: 3,721,845 km (0.068 R)
• M9: 4,363,022 km (0.075 R)
• M10: 4,773,369 km (0.068 R)
• M11: 5,961,924 km (0.078 R)
• M12: 6,416,103 km (0.097 R)
• M13: 7,140,456 km (0.117 R)
• M14: 8,687,747 km (0.086 R)
• M15: 9,238,865 km (0.112 R)
• M16: 10,627,433 km (0.106 R)
• M17: 11,678,807 km (0.075 R)
• M18: 13,299,101 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.9

Radius: 10.9

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.34 AU - 3.58 AU

Year: 2177 Days

Day: 8.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,516,444 km

• M1: 135,685 km (0.101 R)
• M2: 560,693 km (0.034 R)
• M3: 1,001,558 km (0.09 R)
• M4: 1,396,197 km (0.117 R)
• M5: 1,749,397 km (0.088 R)
• M6: 2,099,905 km (0.099 R)
• M7: 2,962,038 km (0.077 R)
• M8: 3,519,140 km (0.083 R)
• M9: 4,602,378 km (0.08 R)
• M10: 5,920,785 km (0.075 R)
• M11: 7,446,084 km (0.032 R)
• M12: 7,841,920 km (0.079 R)
• M13: 8,380,922 km (0.032 R)
• M14: 8,843,179 km (0.108 R)
• M15: 11,176,906 km (0.04 R)
• M16: 11,778,289 km (0.096 R)
• M17: 12,274,804 km (0.087 R)
• M18: 12,699,214 km (0.065 R)
• M19: 13,177,328 km (0.085 R)
• M20: 15,259,731 km (0.117 R)
• M21: 16,404,903 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.8

Radius: 10.4

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.82 AU - 3.8 AU

Year: 2574 Days

Day: 5.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,516,444 km

• M1: 130,599 km (0.053 R)
• M2: 593,305 km (0.114 R)
• M3: 1,076,357 km (0.115 R)
• M4: 1,645,128 km (0.118 R)
• M5: 2,036,177 km (0.093 R)
• M6: 2,806,306 km (0.088 R)
• M7: 3,280,981 km (0.101 R)
• M8: 4,076,243 km (0.116 R)
• M9: 5,357,848 km (0.109 R)
• M10: 5,847,033 km (0.06 R)
• M11: 6,181,833 km (0.115 R)
• M12: 6,648,429 km (0.1 R)
• M13: 7,188,776 km (0.098 R)
• M14: 7,678,709 km (0.106 R)
• M15: 8,582,579 km (0.07 R)
• M16: 10,699,988 km (0.107 R)

Asteroid Belt

Center: 3.72 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.2

Radius: 12.9

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.66 AU - 4.58 AU

Year: 3575 Days

Day: 11 Hours

Environment

Temp: -163 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,516,444 km

• M1: 203,154 km (0.1 R)
• M2: 875,148 km (0.095 R)
• M3: 1,537,268 km (0.077 R)
• M4: 1,989,502 km (0.071 R)
• M5: 2,410,171 km (0.069 R)
• M6: 3,059,725 km (0.095 R)
• M7: 3,934,723 km (0.08 R)
• M8: 8,085,466 km (0.046 R)
• M9: 9,375,149 km (0.094 R)
• M10: 11,098,816 km (0.086 R)
• M11: 12,278,245 km (0.079 R)
• M12: 13,539,654 km (0.044 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.4

Radius: 9.4

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 6.53 AU - 8.49 AU

Year: 8798 Days

Day: 9.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,516,444 km

• M1: 125,812 km (0.098 R)
• M2: 675,285 km (0.095 R)
• M3: 1,871,320 km (0.084 R)
• M4: 2,942,740 km (0.114 R)
• M5: 3,306,861 km (0.101 R)
• M6: 3,701,051 km (0.095 R)
• M7: 4,098,982 km (0.104 R)
• M8: 5,043,991 km (0.032 R)
• M9: 6,802,066 km (0.077 R)
• M10: 8,121,818 km (0.068 R)
• M11: 17,431,742 km (0.043 R)
• M12: 18,023,551 km (0.027 R)
• M13: 19,562,016 km (0.113 R)
• M14: 20,607,855 km (0.117 R)
• M15: 22,461,971 km (0.051 R)
• M16: 29,513,266 km (0.036 R)
• M17: 32,526,018 km (0.025 R)
• M18: 33,536,402 km (0.093 R)
• M19: 41,594,491 km (0.078 R)
• M20: 41,988,682 km (0.111 R)
• M21: 46,349,759 km (0.071 R)

Planet 10 - Gas Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.5

Radius: 10.9

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 7.06 AU - 10.12 AU

Year: 10763 Days

Day: 8.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 43,516,444 km

• M1: 138,976 km (0.092 R)
• M2: 537,356 km (0.026 R)
• M3: 1,342,342 km (0.1 R)
• M4: 1,870,871 km (0.097 R)
• M5: 2,891,128 km (0.032 R)
• M6: 4,062,330 km (0.088 R)
• M7: 4,525,485 km (0.12 R)
• M8: 6,200,084 km (0.062 R)
• M9: 7,080,916 km (0.077 R)
• M10: 8,731,729 km (0.103 R)
• M11: 9,319,648 km (0.036 R)
• M12: 9,789,685 km (0.066 R)
• M13: 10,828,642 km (0.114 R)
• M14: 11,190,818 km (0.098 R)
• M15: 14,324,744 km (0.041 R)
• M16: 15,925,890 km (0.054 R)
• M17: 16,327,411 km (0.093 R)
• M18: 16,873,144 km (0.053 R)
• M19: 18,290,883 km (0.06 R)
• M20: 19,557,079 km (0.05 R)
• M21: 21,932,693 km (0.08 R)
• M22: 26,682,875 km (0.1 R)
• M23: 28,114,975 km (0.082 R)
• M24: 31,865,693 km (0.101 R)
• M25: 32,290,252 km (0.072 R)
• M26: 33,805,678 km (0.088 R)
• M27: 40,965,283 km (0.103 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 19,034 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit