🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.56 AU - 0.9 AU

Year: 235 Days

Day: 35.9 Hours

Environment

Temp: 151 °C

Axial Tilt: 20.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 48,343,020 km

• M1: 59,690 km (0.077 R)
• M2: 451,935 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.93 AU - 1.23 AU

Year: 423 Days

Day: 43.6 Hours

Environment

Temp: -8 °C

Axial Tilt: 19.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.7 AU - 2.04 AU

Year: 963 Days

Day: 35.4 Hours

Environment

Temp: -73 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.68 AU - 2.54 AU

Year: 1155 Days

Day: 27.8 Hours

Environment

Temp: -87 °C

Axial Tilt: 49 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,343,020 km

• M1: 1,121,535 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.5

Radius: 14

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.45 AU - 5.35 AU

Year: 4086 Days

Day: 13.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,343,020 km

• M1: 174,132 km (0.098 R)
• M2: 678,726 km (0.082 R)
• M3: 1,118,244 km (0.106 R)
• M4: 1,789,041 km (0.087 R)
• M5: 2,353,324 km (0.106 R)
• M6: 2,918,206 km (0.098 R)
• M7: 3,360,267 km (0.111 R)
• M8: 4,799,997 km (0.042 R)
• M9: 6,644,389 km (0.047 R)
• M10: 7,307,706 km (0.112 R)
• M11: 8,014,856 km (0.063 R)
• M12: 8,829,566 km (0.086 R)
• M13: 9,899,489 km (0.104 R)
• M14: 10,553,831 km (0.109 R)
• M15: 11,645,446 km (0.096 R)
• M16: 12,851,355 km (0.111 R)
• M17: 13,381,230 km (0.05 R)
• M18: 13,968,103 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784

Radius: 11

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.62 AU - 5.36 AU

Year: 4199 Days

Day: 8.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,343,020 km

• M1: 137,032 km (0.082 R)
• M2: 568,771 km (0.115 R)
• M3: 1,367,474 km (0.06 R)
• M4: 1,995,486 km (0.094 R)
• M5: 2,520,275 km (0.119 R)
• M6: 3,328,852 km (0.098 R)
• M7: 4,641,274 km (0.11 R)
• M8: 5,129,861 km (0.028 R)
• M9: 6,030,589 km (0.093 R)
• M10: 7,714,762 km (0.087 R)
• M11: 11,706,183 km (0.065 R)
• M12: 12,130,592 km (0.111 R)
• M13: 13,262,001 km (0.08 R)
• M14: 13,879,541 km (0.08 R)
• M15: 14,355,262 km (0.091 R)
• M16: 17,380,430 km (0.115 R)
• M17: 19,795,089 km (0.075 R)
• M18: 20,263,181 km (0.104 R)
• M19: 21,924,166 km (0.105 R)
• M20: 24,277,640 km (0.114 R)
• M21: 25,673,089 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.1

Radius: 13.9

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.26 AU - 8.56 AU

Year: 6843 Days

Day: 6.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,343,020 km

• M1: 172,935 km (0.066 R)
• M2: 644,767 km (0.083 R)
• M3: 1,181,075 km (0.088 R)
• M4: 2,208,813 km (0.119 R)
• M5: 4,345,818 km (0.11 R)
• M6: 5,169,654 km (0.118 R)
• M7: 6,374,814 km (0.061 R)
• M8: 10,935,305 km (0.087 R)
• M9: 12,360,075 km (0.07 R)
• M10: 12,912,540 km (0.077 R)
• M11: 13,851,865 km (0.084 R)
• M12: 14,724,769 km (0.089 R)
• M13: 16,102,565 km (0.055 R)
• M14: 19,717,149 km (0.046 R)
• M15: 21,318,145 km (0.102 R)
• M16: 22,555,918 km (0.117 R)
• M17: 23,154,758 km (0.072 R)
• M18: 28,681,801 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.5

Radius: 5.2

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 10.5 AU - 14.6 AU

Year: 16749 Days

Day: 15.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,343,020 km

• M1: 64,626 km (0.09 R)
• M2: 266,135 km (0.074 R)
• M3: 511,774 km (0.093 R)
• M4: 993,928 km (0.112 R)
• M5: 1,329,476 km (0.077 R)
• M6: 1,912,459 km (0.119 R)
• M7: 2,529,999 km (0.098 R)
• M8: 3,490,418 km (0.106 R)
• M9: 6,736,243 km (0.063 R)
• M10: 8,273,510 km (0.11 R)
• M11: 8,452,579 km (0.115 R)
• M12: 11,794,895 km (0.111 R)
• M13: 15,993,658 km (0.112 R)
• M14: 17,711,640 km (0.085 R)
• M15: 19,470,013 km (0.108 R)
• M16: 21,007,730 km (0.112 R)
• M17: 22,711,949 km (0.093 R)
• M18: 23,597,568 km (0.107 R)
• M19: 39,527,348 km (0.081 R)
• M20: 43,045,740 km (0.093 R)
• M21: 47,193,640 km (0.103 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: 158 - 17,495 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit