🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.5 AU - 0.82 AU

Year: 191 Days

Day: 36.4 Hours

Environment

Temp: 176 °C

Axial Tilt: 0.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.63 AU - 0.81 AU

Year: 218 Days

Day: 33.3 Hours

Environment

Temp: 209 °C

Axial Tilt: 25.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.81 AU - 1.07 AU

Year: 325 Days

Day: 20.6 Hours

Environment

Temp: 125 °C

Axial Tilt: 93.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.03 AU - 1.39 AU

Year: 474 Days

Day: 20.2 Hours

Environment

Temp: 29 °C

Axial Tilt: 34.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.2 AU - 1.52 AU

Year: 565 Days

Day: 22.2 Hours

Environment

Temp: 5 °C

Axial Tilt: 20.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 43,417,085 km

• M1: 615,146 km (0.11 R)
• M2: 913,295 km (0.094 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.2 AU - 1.68 AU

Year: 616 Days

Day: 41.4 Hours

Environment

Temp: 9 °C

Axial Tilt: 29 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 4.14 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.4

Radius: 12.5

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 5.33 AU - 8.33 AU

Year: 6362 Days

Day: 6.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,417,085 km

• M1: 155,432 km (0.074 R)
• M2: 655,837 km (0.091 R)
• M3: 1,391,410 km (0.078 R)
• M4: 1,830,180 km (0.084 R)
• M5: 2,311,287 km (0.106 R)
• M6: 3,332,741 km (0.059 R)
• M7: 3,837,185 km (0.088 R)
• M8: 4,525,934 km (0.104 R)
• M9: 5,416,640 km (0.107 R)
• M10: 6,664,136 km (0.076 R)
• M11: 7,738,698 km (0.098 R)
• M12: 9,361,685 km (0.083 R)
• M13: 11,555,089 km (0.112 R)
• M14: 12,446,393 km (0.1 R)
• M15: 14,425,274 km (0.049 R)
• M16: 15,211,261 km (0.08 R)
• M17: 16,540,737 km (0.09 R)
• M18: 22,082,740 km (0.109 R)
• M19: 24,035,591 km (0.036 R)
• M20: 25,486,690 km (0.086 R)
• M21: 31,176,346 km (0.074 R)
• M22: 33,734,619 km (0.082 R)
• M23: 36,429,774 km (0.045 R)
• M24: 37,660,067 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 498.9

Radius: 4.4

Gravity: 25.77 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 12.5 AU - 14.86 AU

Year: 18035 Days

Day: 15.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 43,417,085 km

• M1: 54,753 km (0.115 R)
• M2: 191,784 km (0.072 R)
• M3: 336,296 km (0.071 R)
• M4: 506,538 km (0.108 R)
• M5: 893,847 km (0.119 R)
• M6: 1,163,871 km (0.105 R)
• M7: 1,441,226 km (0.092 R)
• M8: 1,884,036 km (0.062 R)
• M9: 2,088,536 km (0.118 R)
• M10: 2,349,135 km (0.081 R)
• M11: 3,262,430 km (0.092 R)
• M12: 3,726,483 km (0.109 R)
• M13: 4,487,188 km (0.097 R)
• M14: 4,955,729 km (0.064 R)
• M15: 6,810,892 km (0.101 R)
• M16: 9,135,643 km (0.065 R)
• M17: 9,941,227 km (0.079 R)
• M18: 11,028,205 km (0.079 R)
• M19: 11,508,714 km (0.061 R)
• M20: 13,844,984 km (0.096 R)
• M21: 15,123,746 km (0.103 R)
• M22: 16,712,625 km (0.099 R)
• M23: 17,750,236 km (0.037 R)
• M24: 20,936,970 km (0.113 R)
• M25: 21,859,390 km (0.11 R)
• M26: 25,404,860 km (0.067 R)
• M27: 28,191,420 km (0.08 R)
• M28: 31,174,999 km (0.074 R)
• M29: 32,254,946 km (0.109 R)
• M30: 35,514,385 km (0.118 R)
• M31: 35,773,788 km (0.109 R)
• M32: 38,438,425 km (0.094 R)
• M33: 40,239,434 km (0.052 R)
• M34: 40,804,764 km (0.119 R)
• M35: 45,214,460 km (0.039 R)
• M36: 47,220,119 km (0.033 R)
• M37: 52,073,373 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 65.7

Radius: 3.5

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 16.48 AU - 20.06 AU

Year: 27836 Days

Day: 24.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,417,085 km

• M1: 45,777 km (0.109 R)
• M2: 878,439 km (0.115 R)
• M3: 2,033,633 km (0.114 R)
• M4: 4,840,239 km (0.1 R)
• M5: 5,336,156 km (0.061 R)
• M6: 6,685,379 km (0.118 R)
• M7: 7,458,351 km (0.088 R)
• M8: 9,743,908 km (0.105 R)
• M9: 27,535,433 km (0.098 R)
• M10: 31,452,504 km (0.116 R)
• M11: 32,728,573 km (0.106 R)

Kuiper Belt

Range: 30.8 - 47.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 14,587 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit