🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.54 AU - 0.6 AU

Year: 183 Days

Day: 37 Hours

Environment

Temp: 47 °C

Axial Tilt: 17.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.63 AU - 0.73 AU

Year: 238 Days

Day: 44.5 Hours

Environment

Temp: 9 °C

Axial Tilt: 43.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.61 AU - 0.81 AU

Year: 254 Days

Day: 36.2 Hours

Environment

Temp: 11 °C

Axial Tilt: 23.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 60,225,707 km

• M1: 112,946 km (0.07 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.79 AU - 0.95 AU

Year: 345 Days

Day: 21.8 Hours

Environment

Temp: -28 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.84 AU - 1.04 AU

Year: 387 Days

Day: 26 Hours

Environment

Temp: -33 °C

Axial Tilt: 46.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2 AU - 2.14 AU

Year: 1265 Days

Day: 30.5 Hours

Environment

Temp: -108 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.65 AU - 2.49 AU

Year: 1265 Days

Day: 20.1 Hours

Environment

Temp: -120 °C

Axial Tilt: 21.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.6

Radius: 11.9

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.48 AU - 3.42 AU

Year: 2151 Days

Day: 12.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,225,707 km

• M1: 148,102 km (0.071 R)
• M2: 760,855 km (0.058 R)
• M3: 1,321,996 km (0.051 R)
• M4: 1,694,645 km (0.109 R)
• M5: 2,103,795 km (0.12 R)
• M6: 3,266,918 km (0.05 R)
• M7: 4,073,251 km (0.08 R)
• M8: 5,007,938 km (0.029 R)
• M9: 6,478,186 km (0.114 R)
• M10: 7,162,447 km (0.116 R)
• M11: 7,894,429 km (0.094 R)
• M12: 8,894,341 km (0.113 R)
• M13: 9,408,659 km (0.104 R)
• M14: 10,710,310 km (0.08 R)
• M15: 13,004,692 km (0.057 R)
• M16: 13,880,139 km (0.118 R)
• M17: 14,617,208 km (0.051 R)
• M18: 15,334,530 km (0.039 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.6

Radius: 10.1

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.46 AU - 5.1 AU

Year: 4437 Days

Day: 10.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,225,707 km

• M1: 125,662 km (0.11 R)
• M2: 443,558 km (0.039 R)
• M3: 991,684 km (0.098 R)
• M4: 1,852,470 km (0.104 R)
• M5: 3,442,995 km (0.059 R)
• M6: 4,218,959 km (0.105 R)
• M7: 5,321,047 km (0.107 R)
• M8: 6,387,829 km (0.091 R)
• M9: 6,762,871 km (0.054 R)
• M10: 7,086,601 km (0.081 R)
• M11: 8,863,823 km (0.111 R)
• M12: 9,570,973 km (0.102 R)
• M13: 10,146,476 km (0.081 R)
• M14: 11,594,882 km (0.118 R)
• M15: 15,896,270 km (0.055 R)
• M16: 18,652,311 km (0.066 R)
• M17: 19,420,646 km (0.085 R)
• M18: 20,477,705 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 14.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 236.3

Radius: 5

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 11.42 AU - 18.02 AU

Year: 23979 Days

Day: 20.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,225,707 km

• M1: 67,020 km (0.078 R)
• M2: 257,159 km (0.08 R)
• M3: 550,819 km (0.068 R)
• M4: 711,637 km (0.075 R)
• M5: 1,272,928 km (0.037 R)
• M6: 3,363,409 km (0.115 R)
• M7: 4,058,889 km (0.112 R)
• M8: 5,048,629 km (0.085 R)
• M9: 5,729,299 km (0.076 R)
• M10: 8,042,980 km (0.076 R)
• M11: 8,424,454 km (0.041 R)
• M12: 8,619,680 km (0.065 R)
• M13: 9,223,457 km (0.117 R)
• M14: 11,922,651 km (0.099 R)
• M15: 15,833,738 km (0.048 R)
• M16: 17,915,093 km (0.11 R)
• M17: 18,319,606 km (0.05 R)
• M18: 18,647,674 km (0.063 R)
• M19: 18,813,129 km (0.1 R)
• M20: 19,063,107 km (0.036 R)
• M21: 19,826,505 km (0.083 R)
• M22: 22,894,458 km (0.071 R)
• M23: 23,853,680 km (0.102 R)
• M24: 27,851,084 km (0.08 R)
• M25: 41,482,742 km (0.039 R)
• M26: 43,775,329 km (0.088 R)
• M27: 46,000,148 km (0.119 R)
• M28: 47,678,786 km (0.12 R)
• M29: 56,514,485 km (0.116 R)
• M30: 58,085,712 km (0.095 R)
• M31: 60,045,444 km (0.112 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: 240 - 18,492 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit