🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.44 AU - 0.66 AU

Year: 263 Days

Day: 28.6 Hours

Environment

Temp: -118 °C

Axial Tilt: 48.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.4

Radius: 9.2

Gravity: 10.04 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.66 AU - 0.78 AU

Year: 394 Days

Day: 6.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,024,410 km

• M1: 114,442 km (0.053 R)
• M2: 532,718 km (0.074 R)
• M3: 990,787 km (0.109 R)
• M4: 1,391,410 km (0.068 R)
• M5: 1,962,874 km (0.103 R)
• M6: 2,467,018 km (0.107 R)
• M7: 2,902,647 km (0.082 R)
• M8: 3,798,440 km (0.114 R)
• M9: 5,406,916 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.6

Radius: 12.6

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.83 AU - 1.01 AU

Year: 570 Days

Day: 10.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,024,410 km

• M1: 156,779 km (0.101 R)
• M2: 588,967 km (0.061 R)
• M3: 1,179,430 km (0.118 R)
• M4: 2,837,722 km (0.088 R)
• M5: 3,255,698 km (0.101 R)
• M6: 5,279,309 km (0.095 R)
• M7: 5,710,001 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.1

Radius: 10.1

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.78 AU - 1.82 AU

Year: 1559 Days

Day: 7.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,024,410 km

• M1: 125,812 km (0.06 R)
• M2: 478,564 km (0.111 R)
• M3: 908,358 km (0.038 R)
• M4: 1,538,764 km (0.107 R)
• M5: 2,209,860 km (0.069 R)
• M6: 2,935,260 km (0.087 R)
• M7: 3,693,571 km (0.106 R)
• M8: 4,558,098 km (0.032 R)
• M9: 5,508,044 km (0.064 R)
• M10: 5,960,129 km (0.059 R)
• M11: 6,684,631 km (0.068 R)
• M12: 7,120,559 km (0.025 R)
• M13: 8,250,622 km (0.083 R)
• M14: 10,314,923 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.1

Radius: 12.2

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.85 AU - 4.85 AU

Year: 5858 Days

Day: 8.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 155.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,024,410 km

• M1: 151,991 km (0.111 R)
• M2: 622,926 km (0.112 R)
• M3: 1,398,142 km (0.117 R)
• M4: 3,232,960 km (0.114 R)
• M5: 3,985,287 km (0.116 R)
• M6: 4,611,803 km (0.057 R)
• M7: 10,122,540 km (0.077 R)
• M8: 11,076,077 km (0.087 R)
• M9: 13,598,746 km (0.04 R)
• M10: 14,553,030 km (0.066 R)
• M11: 15,767,167 km (0.096 R)
• M12: 16,315,593 km (0.107 R)
• M13: 17,742,756 km (0.087 R)
• M14: 21,840,840 km (0.096 R)
• M15: 22,522,857 km (0.085 R)
• M16: 23,857,868 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.8

Radius: 14

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.91 AU - 5.09 AU

Year: 6164 Days

Day: 8.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,024,410 km

• M1: 256,710 km (0.109 R)
• M2: 714,479 km (0.104 R)
• M3: 1,239,119 km (0.095 R)
• M4: 1,693,747 km (0.084 R)
• M5: 3,089,046 km (0.052 R)
• M6: 5,068,825 km (0.114 R)
• M7: 7,751,713 km (0.091 R)
• M8: 10,055,071 km (0.065 R)
• M9: 14,208,656 km (0.082 R)
• M10: 16,210,874 km (0.083 R)
• M11: 17,879,190 km (0.086 R)
• M12: 19,659,404 km (0.044 R)
• M13: 20,910,192 km (0.089 R)
• M14: 27,118,204 km (0.108 R)
• M15: 29,374,589 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.8

Radius: 10.2

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.24 AU - 5.74 AU

Year: 7197 Days

Day: 10.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,024,410 km

• M1: 127,607 km (0.076 R)
• M2: 460,911 km (0.114 R)
• M3: 908,358 km (0.115 R)
• M4: 1,273,975 km (0.111 R)
• M5: 2,302,760 km (0.036 R)
• M6: 2,813,188 km (0.119 R)
• M7: 4,688,547 km (0.119 R)
• M8: 5,099,343 km (0.06 R)
• M9: 5,669,161 km (0.1 R)
• M10: 6,329,785 km (0.112 R)
• M11: 7,975,062 km (0.058 R)
• M12: 11,346,849 km (0.05 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 564.3

Radius: 7.3

Gravity: 10.59 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 7.25 AU - 7.77 AU

Year: 13288 Days

Day: 19.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 62,024,410 km

• M1: 91,255 km (0.077 R)
• M2: 468,541 km (0.093 R)
• M3: 979,268 km (0.116 R)
• M4: 1,255,725 km (0.058 R)
• M5: 1,511,238 km (0.109 R)
• M6: 2,004,163 km (0.05 R)
• M7: 2,927,182 km (0.103 R)
• M8: 4,136,680 km (0.096 R)
• M9: 4,584,726 km (0.113 R)
• M10: 5,064,636 km (0.076 R)
• M11: 6,666,979 km (0.115 R)
• M12: 11,283,270 km (0.071 R)
• M13: 15,327,349 km (0.026 R)
• M14: 17,980,318 km (0.077 R)
• M15: 18,848,285 km (0.028 R)
• M16: 19,496,941 km (0.057 R)
• M17: 23,425,531 km (0.11 R)
• M18: 29,986,295 km (0.111 R)
• M19: 31,543,758 km (0.116 R)
• M20: 32,342,461 km (0.075 R)
• M21: 33,388,898 km (0.117 R)
• M22: 33,979,960 km (0.086 R)
• M23: 36,289,900 km (0.119 R)
• M24: 36,789,108 km (0.034 R)
• M25: 41,899,970 km (0.095 R)
• M26: 47,019,808 km (0.097 R)
• M27: 47,613,262 km (0.076 R)
• M28: 49,576,435 km (0.118 R)
• M29: 51,435,787 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758.9

Radius: 7.9

Gravity: 12.16 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 6.01 AU - 9.53 AU

Year: 13984 Days

Day: 15.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 62,024,410 km

• M1: 98,286 km (0.08 R)
• M2: 536,608 km (0.095 R)
• M3: 965,056 km (0.106 R)
• M4: 1,577,510 km (0.088 R)
• M5: 1,979,030 km (0.074 R)
• M6: 2,243,669 km (0.036 R)
• M7: 2,915,812 km (0.058 R)
• M8: 3,363,858 km (0.111 R)
• M9: 4,091,352 km (0.071 R)
• M10: 5,592,118 km (0.089 R)
• M11: 6,445,873 km (0.101 R)
• M12: 7,839,078 km (0.058 R)
• M13: 8,216,513 km (0.118 R)
• M14: 8,556,849 km (0.078 R)
• M15: 9,795,369 km (0.115 R)
• M16: 14,362,742 km (0.115 R)
• M17: 16,870,301 km (0.111 R)
• M18: 17,262,248 km (0.092 R)
• M19: 17,579,994 km (0.043 R)
• M20: 20,976,913 km (0.051 R)
• M21: 22,262,258 km (0.116 R)
• M22: 23,308,545 km (0.066 R)
• M23: 33,993,124 km (0.077 R)
• M24: 37,994,568 km (0.1 R)
• M25: 38,397,734 km (0.089 R)
• M26: 45,393,080 km (0.092 R)
• M27: 49,748,473 km (0.078 R)
• M28: 50,069,809 km (0.098 R)
• M29: 54,374,488 km (0.089 R)
• M30: 55,229,739 km (0.12 R)
• M31: 55,747,048 km (0.113 R)
• M32: 56,267,649 km (0.086 R)
• M33: 60,003,257 km (0.104 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: 330 - 12,054 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit