🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.52 AU - 0.74 AU

Year: 328 Days

Day: 29.5 Hours

Environment

Temp: -121 °C

Axial Tilt: 44.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,245,888 km

• M1: 388,506 km (0.068 R)

Asteroid Belt

Center: 0.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.3

Radius: 13.3

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.96 AU - 1.34 AU

Year: 809 Days

Day: 9.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,245,888 km

• M1: 165,754 km (0.111 R)
• M2: 871,408 km (0.089 R)
• M3: 1,289,085 km (0.098 R)
• M4: 1,798,466 km (0.097 R)
• M5: 2,303,658 km (0.102 R)
• M6: 3,027,861 km (0.109 R)
• M7: 3,584,515 km (0.1 R)
• M8: 4,076,093 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514

Radius: 9.4

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.35 AU - 1.53 AU

Year: 1134 Days

Day: 11.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,245,888 km

• M1: 116,836 km (0.089 R)
• M2: 472,729 km (0.066 R)
• M3: 941,270 km (0.041 R)
• M4: 1,446,911 km (0.109 R)
• M5: 2,094,819 km (0.061 R)
• M6: 2,591,035 km (0.075 R)
• M7: 2,899,356 km (0.116 R)
• M8: 3,726,483 km (0.089 R)
• M9: 4,829,618 km (0.034 R)
• M10: 5,338,849 km (0.084 R)
• M11: 6,051,832 km (0.12 R)
• M12: 7,036,635 km (0.111 R)
• M13: 8,627,908 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.7

Radius: 14.3

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.16 AU - 1.74 AU

Year: 1145 Days

Day: 14.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,245,888 km

• M1: 178,620 km (0.088 R)
• M2: 627,862 km (0.104 R)
• M3: 1,318,107 km (0.067 R)
• M4: 2,625,592 km (0.103 R)
• M5: 3,075,433 km (0.064 R)
• M6: 4,390,099 km (0.076 R)
• M7: 5,145,868 km (0.073 R)
• M8: 5,710,899 km (0.098 R)
• M9: 6,339,659 km (0.099 R)
• M10: 7,659,261 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.9

Radius: 12

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.45 AU - 1.77 AU

Year: 1340 Days

Day: 14.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,245,888 km

• M1: 149,598 km (0.065 R)
• M2: 647,160 km (0.082 R)
• M3: 1,123,330 km (0.086 R)
• M4: 2,400,298 km (0.106 R)
• M5: 2,866,445 km (0.095 R)
• M6: 4,183,355 km (0.104 R)
• M7: 6,285,654 km (0.112 R)
• M8: 6,864,149 km (0.06 R)
• M9: 7,528,662 km (0.114 R)
• M10: 7,968,779 km (0.115 R)
• M11: 8,508,379 km (0.037 R)
• M12: 9,481,962 km (0.068 R)
• M13: 10,275,429 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.4

Radius: 11.8

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 4.18 AU - 5.98 AU

Year: 7511 Days

Day: 6.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 49,245,888 km

• M1: 148,700 km (0.056 R)
• M2: 532,419 km (0.053 R)
• M3: 1,067,381 km (0.066 R)
• M4: 1,639,443 km (0.07 R)
• M5: 2,060,262 km (0.098 R)
• M6: 3,275,445 km (0.095 R)
• M7: 3,927,393 km (0.107 R)
• M8: 4,444,553 km (0.091 R)
• M9: 5,428,458 km (0.101 R)
• M10: 7,020,628 km (0.116 R)
• M11: 7,904,452 km (0.086 R)
• M12: 8,646,757 km (0.032 R)
• M13: 9,167,058 km (0.077 R)
• M14: 11,667,138 km (0.087 R)
• M15: 15,329,743 km (0.119 R)
• M16: 18,112,113 km (0.091 R)
• M17: 18,606,534 km (0.116 R)
• M18: 19,548,702 km (0.084 R)
• M19: 21,059,939 km (0.088 R)
• M20: 21,528,181 km (0.107 R)
• M21: 22,243,408 km (0.061 R)
• M22: 22,647,622 km (0.079 R)
• M23: 23,637,810 km (0.042 R)
• M24: 25,089,508 km (0.048 R)
• M25: 25,970,789 km (0.057 R)
• M26: 28,929,984 km (0.108 R)
• M27: 33,779,648 km (0.12 R)
• M28: 36,396,414 km (0.117 R)
• M29: 36,958,154 km (0.054 R)
• M30: 38,214,178 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 222.4

Radius: 4.7

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 7.04 AU - 11.34 AU

Year: 18276 Days

Day: 20.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,245,888 km

• M1: 58,493 km (0.087 R)
• M2: 231,129 km (0.118 R)
• M3: 406,607 km (0.087 R)
• M4: 1,173,296 km (0.106 R)
• M5: 1,481,617 km (0.031 R)
• M6: 2,043,357 km (0.118 R)
• M7: 2,240,527 km (0.098 R)
• M8: 15,118,810 km (0.112 R)
• M9: 23,670,871 km (0.033 R)
• M10: 26,685,717 km (0.101 R)
• M11: 27,577,619 km (0.118 R)
• M12: 31,126,679 km (0.088 R)
• M13: 31,782,965 km (0.104 R)
• M14: 33,123,362 km (0.101 R)
• M15: 37,739,055 km (0.064 R)
• M16: 38,861,936 km (0.062 R)
• M17: 39,750,548 km (0.049 R)
• M18: 40,393,370 km (0.111 R)
• M19: 43,576,364 km (0.112 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 13,387 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit