🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.57 AU - 0.93 AU

Year: 274 Days

Day: 38.5 Hours

Environment

Temp: 2 °C

Axial Tilt: 18.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 69,082,433 km

• M1: 27,077 km (0.048 R)
• M2: 367,113 km (0.05 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.72 AU - 0.92 AU

Year: 313 Days

Day: 37.6 Hours

Environment

Temp: -21 °C

Axial Tilt: 29.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.24 AU - 1.96 AU

Year: 854 Days

Day: 45.5 Hours

Environment

Temp: -91 °C

Axial Tilt: 5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.44 AU - 2.02 AU

Year: 960 Days

Day: 38.5 Hours

Environment

Temp: -107 °C

Axial Tilt: 14.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 69,082,433 km

• M1: 29,471 km (0.104 R)
• M2: 182,061 km (0.083 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.37 AU - 3.11 AU

Year: 1913 Days

Day: 22.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,082,433 km

• M1: 432,637 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.2

Radius: 13.6

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.77 AU - 4.17 AU

Year: 3336 Days

Day: 5.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,082,433 km

• M1: 169,494 km (0.027 R)
• M2: 614,398 km (0.091 R)
• M3: 1,592,469 km (0.09 R)
• M4: 2,088,386 km (0.074 R)
• M5: 2,687,975 km (0.115 R)
• M6: 3,451,522 km (0.108 R)
• M7: 4,641,573 km (0.071 R)
• M8: 6,849,039 km (0.065 R)
• M9: 8,030,414 km (0.072 R)
• M10: 8,977,967 km (0.098 R)
• M11: 10,319,560 km (0.103 R)
• M12: 12,638,926 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.6

Radius: 10.2

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6.98 AU - 9.06 AU

Year: 9579 Days

Day: 10.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,082,433 km

• M1: 133,591 km (0.04 R)
• M2: 528,529 km (0.077 R)
• M3: 1,042,847 km (0.084 R)
• M4: 1,476,082 km (0.104 R)
• M5: 1,874,461 km (0.101 R)
• M6: 2,344,348 km (0.092 R)
• M7: 8,093,544 km (0.034 R)
• M8: 10,572,231 km (0.093 R)
• M9: 14,167,068 km (0.084 R)
• M10: 15,336,475 km (0.065 R)
• M11: 18,937,894 km (0.115 R)
• M12: 19,600,911 km (0.098 R)
• M13: 28,043,617 km (0.098 R)
• M14: 29,195,969 km (0.05 R)
• M15: 36,216,747 km (0.04 R)
• M16: 38,162,118 km (0.113 R)
• M17: 38,629,761 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 905.3

Radius: 4.6

Gravity: 42.78 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 10.09 AU - 10.97 AU

Year: 14411 Days

Day: 23.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,082,433 km

• M1: 57,296 km (0.066 R)
• M2: 347,665 km (0.102 R)
• M3: 2,113,369 km (0.074 R)
• M4: 3,006,768 km (0.104 R)
• M5: 3,943,699 km (0.107 R)
• M6: 5,576,709 km (0.12 R)
• M7: 6,457,242 km (0.102 R)
• M8: 11,031,945 km (0.087 R)
• M9: 12,475,415 km (0.051 R)
• M10: 13,828,977 km (0.118 R)
• M11: 18,387,373 km (0.077 R)
• M12: 23,453,655 km (0.103 R)
• M13: 23,653,667 km (0.037 R)
• M14: 25,189,888 km (0.087 R)
• M15: 29,609,159 km (0.117 R)
• M16: 31,270,293 km (0.109 R)
• M17: 39,095,608 km (0.117 R)
• M18: 40,947,480 km (0.097 R)
• M19: 44,213,202 km (0.082 R)
• M20: 50,089,855 km (0.105 R)
• M21: 51,763,107 km (0.097 R)
• M22: 58,828,764 km (0.1 R)
• M23: 62,783,384 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371.2

Radius: 3.2

Gravity: 36.25 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 11.07 AU - 18.11 AU

Year: 23504 Days

Day: 22.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 91.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,082,433 km

• M1: 88,412 km (0.109 R)
• M2: 217,366 km (0.089 R)
• M3: 385,065 km (0.08 R)
• M4: 2,344,797 km (0.087 R)
• M5: 2,566,351 km (0.084 R)
• M6: 3,369,692 km (0.117 R)
• M7: 3,798,440 km (0.112 R)
• M8: 8,363,119 km (0.049 R)
• M9: 8,722,005 km (0.12 R)
• M10: 14,437,092 km (0.105 R)
• M11: 18,223,863 km (0.068 R)
• M12: 22,819,659 km (0.075 R)
• M13: 24,646,698 km (0.107 R)
• M14: 32,804,120 km (0.113 R)
• M15: 40,091,033 km (0.085 R)
• M16: 42,590,364 km (0.088 R)
• M17: 51,726,007 km (0.077 R)
• M18: 65,221,231 km (0.118 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: 402 - 17,898 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit