🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.45 AU - 0.61 AU

Year: 146 Days

Day: 15.6 Hours

Environment

Temp: 161 °C

Axial Tilt: 24.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 109,341,745 km

• M1: 50,564 km (0.114 R)
• M2: 150,047 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.88 AU - 1.08 AU

Year: 367 Days

Day: 24.8 Hours

Environment

Temp: 8 °C

Axial Tilt: 29 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.92 AU - 1.22 AU

Year: 419 Days

Day: 15.2 Hours

Environment

Temp: 8 °C

Axial Tilt: 46.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 109,341,745 km

• M1: 29,920 km (0.049 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.41 AU - 3.45 AU

Year: 1900 Days

Day: 25.1 Hours

Environment

Temp: -101 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.19 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 11.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545

Radius: 8.1

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 11.32 AU - 11.58 AU

Year: 14674 Days

Day: 12.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 109,341,745 km

• M1: 100,829 km (0.075 R)
• M2: 487,240 km (0.059 R)
• M3: 984,653 km (0.039 R)
• M4: 3,602,616 km (0.117 R)
• M5: 4,373,045 km (0.117 R)
• M6: 4,781,148 km (0.106 R)
• M7: 6,713,653 km (0.056 R)
• M8: 8,624,616 km (0.047 R)
• M9: 9,166,460 km (0.1 R)
• M10: 9,888,569 km (0.032 R)
• M11: 15,250,755 km (0.09 R)
• M12: 20,941,009 km (0.103 R)
• M13: 23,020,569 km (0.112 R)
• M14: 23,490,306 km (0.073 R)
• M15: 25,333,502 km (0.069 R)
• M16: 26,855,062 km (0.065 R)
• M17: 28,329,498 km (0.081 R)
• M18: 31,669,121 km (0.057 R)
• M19: 41,147,493 km (0.099 R)
• M20: 44,684,136 km (0.08 R)
• M21: 46,750,681 km (0.091 R)
• M22: 50,597,740 km (0.08 R)
• M23: 53,988,226 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 317.3

Radius: 7.7

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 10.12 AU - 16.28 AU

Year: 18164 Days

Day: 15.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 109,341,745 km

• M1: 95,743 km (0.114 R)
• M2: 338,839 km (0.06 R)
• M3: 2,167,823 km (0.105 R)
• M4: 2,887,538 km (0.099 R)
• M5: 3,922,307 km (0.053 R)
• M6: 4,663,863 km (0.112 R)
• M7: 6,115,262 km (0.044 R)
• M8: 8,025,776 km (0.074 R)
• M9: 9,826,935 km (0.112 R)
• M10: 10,089,479 km (0.109 R)
• M11: 12,667,648 km (0.034 R)
• M12: 15,941,448 km (0.114 R)
• M13: 26,452,943 km (0.1 R)
• M14: 26,859,550 km (0.093 R)
• M15: 28,954,967 km (0.113 R)
• M16: 30,042,544 km (0.082 R)
• M17: 36,389,981 km (0.039 R)
• M18: 41,492,914 km (0.077 R)
• M19: 46,020,643 km (0.041 R)
• M20: 49,471,118 km (0.069 R)
• M21: 51,180,723 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 907.3

Radius: 6.4

Gravity: 22.15 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 16.76 AU - 19.92 AU

Year: 29747 Days

Day: 24.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 109,341,745 km

• M1: 99,782 km (0.079 R)
• M2: 313,108 km (0.107 R)
• M3: 825,930 km (0.072 R)
• M4: 1,072,916 km (0.106 R)
• M5: 2,468,066 km (0.12 R)
• M6: 3,415,918 km (0.093 R)
• M7: 5,370,264 km (0.062 R)
• M8: 8,912,443 km (0.06 R)
• M9: 10,328,237 km (0.114 R)
• M10: 11,089,690 km (0.113 R)
• M11: 11,520,532 km (0.079 R)
• M12: 12,263,136 km (0.118 R)
• M13: 12,492,170 km (0.081 R)
• M14: 13,037,305 km (0.046 R)
• M15: 14,768,451 km (0.081 R)
• M16: 15,913,623 km (0.05 R)
• M17: 18,082,942 km (0.075 R)
• M18: 24,173,071 km (0.101 R)
• M19: 26,642,483 km (0.064 R)
• M20: 29,004,185 km (0.079 R)
• M21: 34,745,003 km (0.078 R)
• M22: 39,350,822 km (0.112 R)
• M23: 46,718,517 km (0.041 R)
• M24: 50,724,898 km (0.104 R)
• M25: 52,309,588 km (0.06 R)
• M26: 53,519,536 km (0.106 R)
• M27: 62,290,758 km (0.066 R)
• M28: 62,967,838 km (0.117 R)
• M29: 64,566,591 km (0.104 R)
• M30: 94,249,800 km (0.082 R)
• M31: 101,545,090 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 797.1

Radius: 3.8

Gravity: 55.2 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 15.08 AU - 23.38 AU

Year: 31939 Days

Day: 24.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 109,341,745 km

• M1: 51,910 km (0.099 R)
• M2: 188,793 km (0.113 R)
• M3: 565,480 km (0.062 R)
• M4: 1,045,091 km (0.107 R)
• M5: 2,740,483 km (0.115 R)
• M6: 4,814,059 km (0.092 R)
• M7: 5,318,354 km (0.066 R)
• M8: 6,783,067 km (0.09 R)
• M9: 14,290,935 km (0.11 R)
• M10: 15,682,494 km (0.09 R)
• M11: 19,864,652 km (0.096 R)
• M12: 20,825,220 km (0.118 R)
• M13: 24,370,241 km (0.114 R)
• M14: 35,485,213 km (0.098 R)
• M15: 40,671,472 km (0.105 R)
• M16: 45,604,761 km (0.044 R)
• M17: 54,343,970 km (0.088 R)
• M18: 55,378,888 km (0.117 R)
• M19: 59,431,195 km (0.106 R)
• M20: 79,988,785 km (0.073 R)
• M21: 83,225,634 km (0.027 R)
• M22: 91,697,511 km (0.112 R)
• M23: 94,644,140 km (0.108 R)
• M24: 98,874,768 km (0.12 R)
• M25: 101,659,831 km (0.098 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 11,163 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit