🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.98 AU - 1.2 AU

Year: 426 Days

Day: 43.3 Hours

Environment

Temp: 21 °C

Axial Tilt: 2.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.4 AU - 1.74 AU

Year: 737 Days

Day: 33.3 Hours

Environment

Temp: -50 °C

Axial Tilt: 29.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706

Radius: 12.1

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.07 AU - 5.81 AU

Year: 4115 Days

Day: 10.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,586,762 km

• M1: 150,495 km (0.098 R)
• M2: 571,613 km (0.102 R)
• M3: 2,238,732 km (0.109 R)
• M4: 2,675,857 km (0.09 R)
• M5: 3,341,867 km (0.041 R)
• M6: 5,760,864 km (0.059 R)
• M7: 6,406,379 km (0.108 R)
• M8: 9,403,872 km (0.096 R)
• M9: 10,008,995 km (0.061 R)
• M10: 11,075,030 km (0.076 R)
• M11: 12,404,805 km (0.117 R)
• M12: 13,432,243 km (0.116 R)
• M13: 14,357,356 km (0.054 R)
• M14: 15,545,164 km (0.066 R)
• M15: 16,049,608 km (0.111 R)
• M16: 19,631,429 km (0.095 R)
• M17: 22,272,281 km (0.059 R)
• M18: 24,159,159 km (0.081 R)
• M19: 26,624,980 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.7

Radius: 12.6

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.88 AU - 5.24 AU

Year: 4265 Days

Day: 5.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 98.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,586,762 km

• M1: 156,629 km (0.116 R)
• M2: 559,197 km (0.108 R)
• M3: 1,024,147 km (0.061 R)
• M4: 1,741,918 km (0.072 R)
• M5: 2,407,778 km (0.102 R)
• M6: 4,818,547 km (0.094 R)
• M7: 5,325,235 km (0.061 R)
• M8: 6,136,804 km (0.103 R)
• M9: 6,765,863 km (0.038 R)
• M10: 7,612,138 km (0.094 R)
• M11: 8,153,084 km (0.111 R)
• M12: 11,437,356 km (0.032 R)
• M13: 11,860,418 km (0.051 R)
• M14: 12,837,891 km (0.117 R)
• M15: 13,397,985 km (0.054 R)
• M16: 14,295,722 km (0.056 R)
• M17: 18,548,191 km (0.105 R)
• M18: 20,203,043 km (0.09 R)
• M19: 21,171,839 km (0.111 R)
• M20: 23,653,219 km (0.059 R)
• M21: 24,110,390 km (0.078 R)
• M22: 25,042,534 km (0.113 R)
• M23: 26,649,365 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.3

Radius: 10.9

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.24 AU - 7.02 AU

Year: 5006 Days

Day: 8.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,586,762 km

• M1: 135,536 km (0.074 R)
• M2: 517,758 km (0.096 R)
• M3: 1,440,927 km (0.094 R)
• M4: 1,801,308 km (0.107 R)
• M5: 2,166,327 km (0.037 R)
• M6: 3,941,156 km (0.083 R)
• M7: 4,587,718 km (0.111 R)
• M8: 5,303,843 km (0.088 R)
• M9: 6,323,652 km (0.09 R)
• M10: 6,772,744 km (0.096 R)
• M11: 8,213,821 km (0.064 R)
• M12: 11,341,912 km (0.108 R)
• M13: 12,278,993 km (0.078 R)
• M14: 13,656,939 km (0.09 R)
• M15: 14,717,289 km (0.114 R)
• M16: 16,160,310 km (0.026 R)
• M17: 24,231,115 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.6

Radius: 9.5

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 10.19 AU - 10.73 AU

Year: 12677 Days

Day: 14.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 80,586,762 km

• M1: 118,182 km (0.063 R)
• M2: 445,802 km (0.101 R)
• M3: 974,481 km (0.065 R)
• M4: 1,608,626 km (0.094 R)
• M5: 2,286,603 km (0.074 R)
• M6: 2,607,042 km (0.106 R)
• M7: 2,998,241 km (0.099 R)
• M8: 3,383,754 km (0.101 R)
• M9: 4,024,033 km (0.103 R)
• M10: 5,178,181 km (0.064 R)
• M11: 6,297,771 km (0.082 R)
• M12: 8,707,942 km (0.057 R)
• M13: 9,096,299 km (0.04 R)
• M14: 9,908,017 km (0.1 R)
• M15: 10,236,384 km (0.098 R)
• M16: 11,779,037 km (0.105 R)
• M17: 17,670,800 km (0.081 R)
• M18: 19,076,272 km (0.098 R)
• M19: 19,658,806 km (0.11 R)
• M20: 21,555,856 km (0.11 R)
• M21: 23,159,097 km (0.099 R)
• M22: 24,242,784 km (0.104 R)
• M23: 29,978,217 km (0.075 R)
• M24: 30,964,665 km (0.106 R)
• M25: 31,264,908 km (0.03 R)
• M26: 33,842,030 km (0.073 R)
• M27: 38,369,610 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.8

Radius: 8.5

Gravity: 10.53 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 10.27 AU - 13.25 AU

Year: 15113 Days

Day: 14.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,586,762 km

• M1: 105,766 km (0.118 R)
• M2: 378,034 km (0.076 R)
• M3: 889,509 km (0.064 R)
• M4: 2,284,659 km (0.066 R)
• M5: 3,358,323 km (0.107 R)
• M6: 6,499,878 km (0.089 R)
• M7: 12,513,263 km (0.118 R)
• M8: 18,112,113 km (0.087 R)
• M9: 18,954,649 km (0.075 R)
• M10: 24,977,010 km (0.119 R)
• M11: 26,767,846 km (0.106 R)
• M12: 32,406,489 km (0.114 R)
• M13: 33,271,614 km (0.071 R)
• M14: 35,959,439 km (0.094 R)
• M15: 36,487,369 km (0.113 R)
• M16: 41,185,341 km (0.057 R)
• M17: 43,231,541 km (0.096 R)
• M18: 51,592,865 km (0.106 R)
• M19: 54,487,434 km (0.084 R)
• M20: 56,772,542 km (0.118 R)
• M21: 57,848,449 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 992

Radius: 6.2

Gravity: 25.81 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 11.33 AU - 15.21 AU

Year: 18115 Days

Day: 19.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 80,586,762 km

• M1: 78,240 km (0.096 R)
• M2: 376,987 km (0.086 R)
• M3: 801,545 km (0.108 R)
• M4: 1,018,761 km (0.065 R)
• M5: 1,261,110 km (0.106 R)
• M6: 2,061,010 km (0.107 R)
• M7: 4,056,795 km (0.091 R)
• M8: 4,635,739 km (0.081 R)
• M9: 5,001,356 km (0.114 R)
• M10: 6,084,594 km (0.112 R)
• M11: 7,511,758 km (0.117 R)
• M12: 9,724,011 km (0.112 R)
• M13: 10,323,001 km (0.109 R)
• M14: 10,569,389 km (0.115 R)
• M15: 11,860,718 km (0.11 R)
• M16: 13,038,352 km (0.081 R)
• M17: 13,692,244 km (0.111 R)
• M18: 19,827,253 km (0.106 R)
• M19: 25,728,440 km (0.118 R)
• M20: 26,295,865 km (0.089 R)
• M21: 30,002,152 km (0.077 R)
• M22: 30,378,241 km (0.07 R)
• M23: 35,418,941 km (0.116 R)
• M24: 36,832,492 km (0.072 R)
• M25: 40,377,512 km (0.083 R)
• M26: 45,120,363 km (0.083 R)
• M27: 45,614,186 km (0.109 R)
• M28: 48,825,304 km (0.1 R)
• M29: 49,171,923 km (0.12 R)
• M30: 51,285,740 km (0.06 R)
• M31: 51,643,878 km (0.093 R)
• M32: 56,261,964 km (0.042 R)
• M33: 59,554,613 km (0.089 R)
• M34: 60,347,631 km (0.111 R)
• M35: 64,418,638 km (0.083 R)
• M36: 68,669,013 km (0.084 R)
• M37: 69,322,307 km (0.066 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 16,512 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit