🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.55 AU - 0.89 AU

Year: 258 Days

Day: 32.2 Hours

Environment

Temp: 21 °C

Axial Tilt: 39.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 44,712,272 km

• M1: 28,573 km (0.059 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.58 AU - 0.88 AU

Year: 263 Days

Day: 47.9 Hours

Environment

Temp: 4 °C

Axial Tilt: 1.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.75 AU - 0.91 AU

Year: 319 Days

Day: 38.5 Hours

Environment

Temp: 3 °C

Axial Tilt: 33.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 44,712,272 km

• M1: 90,507 km (0.035 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.34 AU - 1.72 AU

Year: 798 Days

Day: 28.1 Hours

Environment

Temp: -90 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,712,272 km

• M1: 874,848 km (0.083 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.72 AU - 2.64 AU

Year: 1358 Days

Day: 23.2 Hours

Environment

Temp: -110 °C

Axial Tilt: 58.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 44,712,272 km

• M1: 238,609 km (0.093 R)
• M2: 1,443,320 km (0.053 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.47 AU - 2.85 AU

Year: 1830 Days

Day: 17.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 27.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.6

Radius: 10

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.55 AU - 3.39 AU

Year: 2159 Days

Day: 8.3 Hours

Environment

Temp: -134 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,712,272 km

• M1: 124,316 km (0.076 R)
• M2: 464,202 km (0.098 R)
• M3: 978,220 km (0.05 R)
• M4: 1,343,239 km (0.08 R)
• M5: 1,749,697 km (0.12 R)
• M6: 2,099,157 km (0.101 R)
• M7: 2,508,158 km (0.074 R)
• M8: 2,984,478 km (0.074 R)
• M9: 3,803,376 km (0.104 R)
• M10: 4,321,434 km (0.094 R)
• M11: 5,812,924 km (0.104 R)
• M12: 6,501,374 km (0.088 R)
• M13: 7,137,763 km (0.076 R)
• M14: 7,676,465 km (0.103 R)
• M15: 8,654,087 km (0.115 R)
• M16: 9,842,642 km (0.096 R)
• M17: 10,890,276 km (0.09 R)
• M18: 12,085,414 km (0.066 R)
• M19: 12,929,445 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.2

Radius: 11.9

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.51 AU - 4.99 AU

Year: 3695 Days

Day: 9.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,712,272 km

• M1: 147,952 km (0.07 R)
• M2: 524,640 km (0.098 R)
• M3: 924,515 km (0.112 R)
• M4: 1,399,937 km (0.113 R)
• M5: 1,903,483 km (0.113 R)
• M6: 2,512,197 km (0.083 R)
• M7: 3,299,979 km (0.045 R)
• M8: 4,394,886 km (0.103 R)
• M9: 4,955,878 km (0.067 R)
• M10: 5,413,947 km (0.048 R)
• M11: 7,381,608 km (0.063 R)
• M12: 9,027,484 km (0.12 R)
• M13: 10,087,534 km (0.078 R)
• M14: 11,188,126 km (0.044 R)
• M15: 11,852,041 km (0.041 R)
• M16: 12,498,154 km (0.052 R)
• M17: 12,896,982 km (0.107 R)
• M18: 13,907,815 km (0.119 R)
• M19: 14,773,538 km (0.101 R)
• M20: 15,983,336 km (0.039 R)
• M21: 17,312,662 km (0.077 R)
• M22: 18,257,822 km (0.116 R)
• M23: 18,714,394 km (0.11 R)
• M24: 20,433,424 km (0.062 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 64.3

Radius: 5.1

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 14.82 AU - 19.06 AU

Year: 29406 Days

Day: 23.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,712,272 km

• M1: 64,925 km (0.092 R)
• M2: 360,082 km (0.082 R)
• M3: 578,794 km (0.119 R)
• M4: 961,914 km (0.104 R)
• M5: 1,977,684 km (0.088 R)
• M6: 3,208,725 km (0.108 R)
• M7: 5,220,367 km (0.069 R)
• M8: 6,561,213 km (0.082 R)
• M9: 8,729,933 km (0.036 R)
• M10: 9,950,652 km (0.092 R)
• M11: 11,174,662 km (0.07 R)
• M12: 11,604,008 km (0.115 R)
• M13: 15,377,913 km (0.06 R)
• M14: 17,432,640 km (0.115 R)
• M15: 23,095,518 km (0.058 R)
• M16: 23,529,052 km (0.103 R)
• M17: 23,703,932 km (0.104 R)
• M18: 32,721,093 km (0.091 R)
• M19: 37,982,750 km (0.03 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 14,833 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit