🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.89 AU - 0.91 AU

Year: 325 Days

Day: 41.8 Hours

Environment

Temp: 23 °C

Axial Tilt: 15.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.78 AU - 1.14 AU

Year: 358 Days

Day: 13.8 Hours

Environment

Temp: 21 °C

Axial Tilt: 10.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.54 AU - 3.1 AU

Year: 1803 Days

Day: 14.4 Hours

Environment

Temp: -111 °C

Axial Tilt: 15.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,309,958 km

• M1: 2,038,421 km (0.118 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.63 AU - 3.61 AU

Year: 2099 Days

Day: 31.2 Hours

Environment

Temp: -111 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.39 AU - 3.71 AU

Year: 2547 Days

Day: 42.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 3.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.19 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.1

Radius: 9

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.81 AU - 4.83 AU

Year: 4030 Days

Day: 6 Hours

Environment

Temp: -143 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,309,958 km

• M1: 111,899 km (0.087 R)
• M2: 397,930 km (0.101 R)
• M3: 690,993 km (0.075 R)
• M4: 1,161,029 km (0.09 R)
• M5: 1,690,306 km (0.042 R)
• M6: 2,318,617 km (0.03 R)
• M7: 2,792,992 km (0.109 R)
• M8: 3,078,425 km (0.102 R)
• M9: 3,383,305 km (0.053 R)
• M10: 4,833,806 km (0.074 R)
• M11: 5,759,817 km (0.062 R)
• M12: 6,631,973 km (0.054 R)
• M13: 7,290,203 km (0.107 R)
• M14: 9,922,378 km (0.041 R)
• M15: 10,440,435 km (0.109 R)
• M16: 12,312,952 km (0.1 R)
• M17: 12,695,623 km (0.116 R)
• M18: 13,086,074 km (0.097 R)
• M19: 13,439,873 km (0.072 R)
• M20: 14,166,769 km (0.116 R)
• M21: 14,539,866 km (0.112 R)
• M22: 15,354,576 km (0.097 R)
• M23: 16,865,963 km (0.115 R)
• M24: 17,604,229 km (0.069 R)
• M25: 18,474,140 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.8

Radius: 9.5

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 6.39 AU - 7.03 AU

Year: 6619 Days

Day: 8.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,309,958 km

• M1: 120,725 km (0.063 R)
• M2: 484,996 km (0.11 R)
• M3: 1,333,815 km (0.085 R)
• M4: 2,030,791 km (0.045 R)
• M5: 3,217,701 km (0.032 R)
• M6: 5,068,675 km (0.061 R)
• M7: 5,725,260 km (0.107 R)
• M8: 7,063,114 km (0.091 R)
• M9: 8,195,420 km (0.033 R)
• M10: 8,763,593 km (0.117 R)
• M11: 9,488,395 km (0.093 R)
• M12: 9,978,328 km (0.114 R)
• M13: 12,738,857 km (0.06 R)
• M14: 15,358,166 km (0.097 R)
• M15: 16,096,432 km (0.116 R)
• M16: 16,411,036 km (0.071 R)
• M17: 19,147,181 km (0.103 R)
• M18: 21,106,764 km (0.113 R)
• M19: 25,082,177 km (0.053 R)
• M20: 26,803,301 km (0.066 R)
• M21: 28,053,939 km (0.09 R)
• M22: 30,002,152 km (0.101 R)
• M23: 32,838,677 km (0.118 R)
• M24: 33,142,062 km (0.046 R)
• M25: 35,317,664 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 619.1

Radius: 7.7

Gravity: 10.44 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 9.32 AU - 15.2 AU

Year: 16347 Days

Day: 18.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,309,958 km

• M1: 95,892 km (0.112 R)
• M2: 394,789 km (0.048 R)
• M3: 887,265 km (0.071 R)
• M4: 1,431,203 km (0.056 R)
• M5: 1,935,647 km (0.1 R)
• M6: 2,553,486 km (0.103 R)
• M7: 2,968,620 km (0.04 R)
• M8: 4,236,313 km (0.116 R)
• M9: 5,417,986 km (0.056 R)
• M10: 7,467,028 km (0.103 R)
• M11: 9,176,932 km (0.06 R)
• M12: 9,440,972 km (0.028 R)
• M13: 11,132,924 km (0.047 R)
• M14: 13,217,121 km (0.034 R)
• M15: 19,495,595 km (0.12 R)
• M16: 20,916,774 km (0.117 R)
• M17: 21,745,846 km (0.113 R)
• M18: 28,844,265 km (0.057 R)
• M19: 32,973,465 km (0.077 R)
• M20: 37,884,614 km (0.025 R)
• M21: 44,005,261 km (0.098 R)
• M22: 45,364,806 km (0.092 R)
• M23: 47,850,375 km (0.097 R)
• M24: 48,965,926 km (0.095 R)
• M25: 52,584,400 km (0.082 R)
• M26: 53,261,031 km (0.034 R)
• M27: 58,160,211 km (0.08 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 11,076 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit