🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.43 AU - 0.65 AU

Year: 144 Days

Day: 35.7 Hours

Environment

Temp: 261 °C

Axial Tilt: 44.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.69 AU - 0.77 AU

Year: 226 Days

Day: 27.8 Hours

Environment

Temp: 123 °C

Axial Tilt: 36.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.82 AU - 1.24 AU

Year: 378 Days

Day: 12.4 Hours

Environment

Temp: 35 °C

Axial Tilt: 15.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.95 AU - 1.47 AU

Year: 481 Days

Day: 15.4 Hours

Environment

Temp: -0 °C

Axial Tilt: 16.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.14 AU - 1.36 AU

Year: 505 Days

Day: 46.5 Hours

Environment

Temp: 8 °C

Axial Tilt: 4.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 4.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.7

Radius: 14.3

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 7.96 AU - 8.12 AU

Year: 8245 Days

Day: 8.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,806,938 km

• M1: 178,021 km (0.073 R)
• M2: 674,686 km (0.071 R)
• M3: 1,297,163 km (0.101 R)
• M4: 2,059,813 km (0.101 R)
• M5: 2,536,432 km (0.116 R)
• M6: 3,491,614 km (0.113 R)
• M7: 4,102,722 km (0.076 R)
• M8: 5,153,347 km (0.087 R)
• M9: 6,045,699 km (0.076 R)
• M10: 6,684,781 km (0.088 R)
• M11: 8,460,956 km (0.09 R)
• M12: 10,629,378 km (0.116 R)
• M13: 11,411,774 km (0.085 R)
• M14: 12,232,169 km (0.052 R)
• M15: 15,478,293 km (0.087 R)
• M16: 16,165,097 km (0.111 R)
• M17: 17,667,060 km (0.119 R)
• M18: 18,765,557 km (0.115 R)
• M19: 21,943,464 km (0.057 R)
• M20: 22,971,052 km (0.106 R)
• M21: 24,030,355 km (0.064 R)
• M22: 26,510,687 km (0.099 R)
• M23: 28,133,525 km (0.116 R)
• M24: 28,688,982 km (0.109 R)
• M25: 31,279,419 km (0.075 R)
• M26: 31,775,635 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 866.4

Radius: 5.5

Gravity: 28.64 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 11.84 AU - 13.7 AU

Year: 16504 Days

Day: 20.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 78,806,938 km

• M1: 75,397 km (0.103 R)
• M2: 307,573 km (0.104 R)
• M3: 497,263 km (0.079 R)
• M4: 914,342 km (0.051 R)
• M5: 1,814,173 km (0.085 R)
• M6: 2,483,025 km (0.106 R)
• M7: 2,811,842 km (0.06 R)
• M8: 2,986,871 km (0.078 R)
• M9: 3,222,787 km (0.05 R)
• M10: 3,499,244 km (0.061 R)
• M11: 5,016,615 km (0.112 R)
• M12: 6,313,629 km (0.082 R)
• M13: 6,528,002 km (0.096 R)
• M14: 7,868,549 km (0.046 R)
• M15: 8,117,031 km (0.108 R)
• M16: 8,525,283 km (0.082 R)
• M17: 8,787,379 km (0.113 R)
• M18: 11,520,233 km (0.115 R)
• M19: 16,323,671 km (0.085 R)
• M20: 16,565,421 km (0.118 R)
• M21: 16,809,714 km (0.089 R)
• M22: 17,725,702 km (0.039 R)
• M23: 20,299,384 km (0.064 R)
• M24: 23,416,704 km (0.096 R)
• M25: 25,735,920 km (0.114 R)
• M26: 29,494,866 km (0.114 R)
• M27: 29,733,774 km (0.081 R)
• M28: 30,336,653 km (0.084 R)
• M29: 36,959,650 km (0.108 R)
• M30: 37,376,729 km (0.113 R)
• M31: 42,174,333 km (0.092 R)
• M32: 45,272,953 km (0.099 R)
• M33: 51,918,839 km (0.057 R)
• M34: 52,267,252 km (0.076 R)
• M35: 53,498,742 km (0.109 R)
• M36: 61,103,400 km (0.109 R)
• M37: 62,863,868 km (0.08 R)
• M38: 63,458,220 km (0.066 R)
• M39: 64,056,163 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549.5

Radius: 3.1

Gravity: 57.18 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 12.73 AU - 19.63 AU

Year: 23537 Days

Day: 16.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 78,806,938 km

• M1: 38,746 km (0.114 R)
• M2: 146,307 km (0.086 R)
• M3: 320,738 km (0.12 R)
• M4: 446,400 km (0.056 R)
• M5: 1,060,799 km (0.099 R)
• M6: 1,196,933 km (0.065 R)
• M7: 1,487,900 km (0.072 R)
• M8: 1,881,193 km (0.103 R)
• M9: 1,979,629 km (0.061 R)
• M10: 2,273,439 km (0.081 R)
• M11: 3,134,524 km (0.066 R)
• M12: 4,126,208 km (0.089 R)
• M13: 5,547,239 km (0.043 R)
• M14: 7,556,488 km (0.112 R)
• M15: 8,164,453 km (0.094 R)
• M16: 14,245,457 km (0.093 R)
• M17: 17,829,673 km (0.065 R)
• M18: 18,540,113 km (0.067 R)
• M19: 19,176,951 km (0.117 R)
• M20: 20,494,310 km (0.094 R)
• M21: 22,581,350 km (0.07 R)
• M22: 29,807,675 km (0.109 R)
• M23: 30,680,728 km (0.081 R)
• M24: 32,347,099 km (0.078 R)
• M25: 33,535,504 km (0.086 R)
• M26: 34,752,633 km (0.097 R)
• M27: 39,318,509 km (0.11 R)
• M28: 40,671,173 km (0.056 R)
• M29: 44,429,221 km (0.071 R)
• M30: 47,732,492 km (0.101 R)
• M31: 51,729,149 km (0.073 R)
• M32: 52,266,354 km (0.112 R)
• M33: 52,807,151 km (0.119 R)
• M34: 63,806,035 km (0.081 R)

Kuiper Belt

Range: 30.3 - 47.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 13,377 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit