🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.61 AU - 0.71 AU

Year: 231 Days

Day: 45.8 Hours

Environment

Temp: 22 °C

Axial Tilt: 13.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.84 AU - 0.88 AU

Year: 343 Days

Day: 43.5 Hours

Environment

Temp: -30 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.8 AU - 1.28 AU

Year: 457 Days

Day: 19.5 Hours

Environment

Temp: -48 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.21 AU - 1.31 AU

Year: 609 Days

Day: 33.9 Hours

Environment

Temp: -86 °C

Axial Tilt: 2.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.13 AU - 1.71 AU

Year: 728 Days

Day: 15.7 Hours

Environment

Temp: -92 °C

Axial Tilt: 4.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.04 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.47 AU - 2.83 AU

Year: 1857 Days

Day: 40.7 Hours

Environment

Temp: -136 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,386,451 km

• M1: 89,759 km (0.108 R)

Asteroid Belt

Center: 4.11 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.7

Radius: 10.9

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.67 AU - 6.45 AU

Year: 5643 Days

Day: 6.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,386,451 km

• M1: 135,536 km (0.113 R)
• M2: 493,374 km (0.089 R)
• M3: 1,123,181 km (0.034 R)
• M4: 1,464,862 km (0.053 R)
• M5: 1,960,480 km (0.107 R)
• M6: 2,416,155 km (0.094 R)
• M7: 3,694,469 km (0.118 R)
• M8: 5,126,719 km (0.034 R)
• M9: 7,851,046 km (0.106 R)
• M10: 8,847,816 km (0.116 R)
• M11: 10,188,213 km (0.115 R)
• M12: 11,563,467 km (0.098 R)
• M13: 12,801,090 km (0.049 R)
• M14: 14,070,278 km (0.12 R)
• M15: 18,511,390 km (0.045 R)
• M16: 20,201,397 km (0.06 R)
• M17: 20,834,346 km (0.117 R)
• M18: 23,039,718 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.3

Radius: 11.4

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8.21 AU - 8.41 AU

Year: 10312 Days

Day: 5.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,386,451 km

• M1: 156,928 km (0.097 R)
• M2: 727,046 km (0.042 R)
• M3: 1,510,340 km (0.112 R)
• M4: 2,081,654 km (0.078 R)
• M5: 2,539,274 km (0.073 R)
• M6: 3,377,621 km (0.114 R)
• M7: 3,902,859 km (0.101 R)
• M8: 4,604,473 km (0.051 R)
• M9: 8,702,108 km (0.106 R)
• M10: 9,692,596 km (0.03 R)
• M11: 11,317,378 km (0.087 R)
• M12: 13,691,945 km (0.055 R)
• M13: 15,448,374 km (0.12 R)
• M14: 18,836,017 km (0.08 R)
• M15: 23,333,079 km (0.107 R)
• M16: 28,076,828 km (0.063 R)
• M17: 31,009,245 km (0.084 R)
• M18: 39,949,663 km (0.112 R)
• M19: 41,023,027 km (0.037 R)
• M20: 42,808,179 km (0.058 R)
• M21: 45,075,783 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 630.8

Radius: 4.7

Gravity: 28.56 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 10.46 AU - 17.26 AU

Year: 22211 Days

Day: 22.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 79,386,451 km

• M1: 58,493 km (0.109 R)
• M2: 483,650 km (0.043 R)
• M3: 880,234 km (0.117 R)
• M4: 1,534,725 km (0.109 R)
• M5: 1,856,360 km (0.094 R)
• M6: 2,115,763 km (0.115 R)
• M7: 2,376,213 km (0.102 R)
• M8: 3,094,582 km (0.069 R)
• M9: 3,287,712 km (0.105 R)
• M10: 3,884,309 km (0.116 R)
• M11: 4,342,976 km (0.084 R)
• M12: 4,515,313 km (0.032 R)
• M13: 5,606,180 km (0.081 R)
• M14: 8,776,757 km (0.089 R)
• M15: 11,084,454 km (0.101 R)
• M16: 12,619,328 km (0.035 R)
• M17: 12,829,364 km (0.078 R)
• M18: 13,113,151 km (0.085 R)
• M19: 15,940,102 km (0.059 R)
• M20: 16,516,951 km (0.08 R)
• M21: 18,782,162 km (0.094 R)
• M22: 19,705,929 km (0.095 R)
• M23: 22,045,640 km (0.085 R)
• M24: 25,444,503 km (0.053 R)
• M25: 26,574,267 km (0.059 R)
• M26: 29,421,413 km (0.075 R)
• M27: 32,860,070 km (0.026 R)
• M28: 34,470,790 km (0.114 R)
• M29: 37,414,876 km (0.083 R)
• M30: 40,522,323 km (0.113 R)
• M31: 52,476,539 km (0.067 R)
• M32: 53,934,221 km (0.068 R)
• M33: 56,930,068 km (0.079 R)
• M34: 61,227,865 km (0.1 R)
• M35: 62,031,804 km (0.115 R)
• M36: 64,279,063 km (0.107 R)
• M37: 69,369,131 km (0.061 R)
• M38: 70,902,808 km (0.088 R)
• M39: 71,123,764 km (0.097 R)
• M40: 72,235,277 km (0.107 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 11,865 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit