🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.86 AU - 1.15 AU

Year: 437 Days

Day: 14.2 Hours

Environment

Temp: -49 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.43 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.7

Radius: 13.5

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.28 AU - 4.42 AU

Year: 3298 Days

Day: 6.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,679,944 km

• M1: 167,998 km (0.119 R)
• M2: 587,770 km (0.025 R)
• M3: 1,215,632 km (0.043 R)
• M4: 2,020,170 km (0.087 R)
• M5: 2,557,376 km (0.113 R)
• M6: 3,061,670 km (0.075 R)
• M7: 4,393,839 km (0.081 R)
• M8: 4,856,695 km (0.084 R)
• M9: 5,445,961 km (0.119 R)
• M10: 6,184,825 km (0.111 R)
• M11: 7,187,280 km (0.096 R)
• M12: 8,139,171 km (0.08 R)
• M13: 9,617,946 km (0.092 R)
• M14: 11,581,568 km (0.05 R)
• M15: 13,667,261 km (0.081 R)
• M16: 15,652,126 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.2

Radius: 13.7

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 6.06 AU - 6.32 AU

Year: 6723 Days

Day: 6.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,679,944 km

• M1: 177,124 km (0.114 R)
• M2: 641,326 km (0.093 R)
• M3: 1,138,440 km (0.117 R)
• M4: 2,218,237 km (0.03 R)
• M5: 2,788,654 km (0.065 R)
• M6: 3,382,857 km (0.097 R)
• M7: 4,644,715 km (0.084 R)
• M8: 5,408,861 km (0.071 R)
• M9: 6,652,767 km (0.038 R)
• M10: 7,817,686 km (0.088 R)
• M11: 9,515,322 km (0.114 R)
• M12: 10,829,988 km (0.091 R)
• M13: 11,405,342 km (0.085 R)
• M14: 13,301,195 km (0.095 R)
• M15: 14,057,562 km (0.12 R)
• M16: 14,544,803 km (0.07 R)
• M17: 16,233,314 km (0.08 R)
• M18: 18,800,264 km (0.105 R)
• M19: 20,738,603 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996

Radius: 11.5

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 5.71 AU - 7.75 AU

Year: 7622 Days

Day: 12.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,679,944 km

• M1: 143,016 km (0.092 R)
• M2: 532,120 km (0.065 R)
• M3: 1,002,755 km (0.116 R)
• M4: 1,424,471 km (0.118 R)
• M5: 1,825,992 km (0.091 R)
• M6: 2,198,042 km (0.089 R)
• M7: 3,033,695 km (0.07 R)
• M8: 5,822,948 km (0.091 R)
• M9: 6,604,447 km (0.074 R)
• M10: 7,414,519 km (0.047 R)
• M11: 7,822,921 km (0.095 R)
• M12: 8,640,474 km (0.05 R)
• M13: 9,185,608 km (0.104 R)
• M14: 9,705,311 km (0.082 R)
• M15: 11,599,071 km (0.045 R)
• M16: 12,263,136 km (0.103 R)
• M17: 15,371,331 km (0.053 R)
• M18: 16,652,936 km (0.085 R)
• M19: 18,819,412 km (0.076 R)
• M20: 19,814,388 km (0.111 R)
• M21: 23,442,585 km (0.091 R)
• M22: 25,321,235 km (0.099 R)
• M23: 27,298,171 km (0.049 R)
• M24: 34,404,817 km (0.091 R)
• M25: 37,181,504 km (0.036 R)
• M26: 43,176,937 km (0.105 R)
• M27: 44,636,414 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.9

Radius: 12.6

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 8.07 AU - 11.11 AU

Year: 12965 Days

Day: 8.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,679,944 km

• M1: 156,779 km (0.073 R)
• M2: 774,618 km (0.11 R)
• M3: 1,222,065 km (0.043 R)
• M4: 1,636,900 km (0.115 R)
• M5: 2,588,193 km (0.091 R)
• M6: 3,822,375 km (0.11 R)
• M7: 6,728,763 km (0.085 R)
• M8: 7,327,154 km (0.117 R)
• M9: 10,415,004 km (0.096 R)
• M10: 14,282,258 km (0.067 R)
• M11: 15,563,414 km (0.116 R)
• M12: 26,443,518 km (0.086 R)
• M13: 27,076,018 km (0.08 R)
• M14: 27,503,269 km (0.054 R)
• M15: 28,923,103 km (0.119 R)
• M16: 31,790,146 km (0.077 R)
• M17: 34,590,468 km (0.041 R)
• M18: 35,220,425 km (0.103 R)
• M19: 38,619,887 km (0.11 R)
• M20: 42,089,211 km (0.109 R)
• M21: 48,376,810 km (0.084 R)
• M22: 51,253,427 km (0.063 R)
• M23: 54,073,048 km (0.047 R)
• M24: 58,405,103 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 578

Radius: 5.6

Gravity: 18.43 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 10.08 AU - 10.22 AU

Year: 14117 Days

Day: 18.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,679,944 km

• M1: 69,713 km (0.098 R)
• M2: 374,743 km (0.107 R)
• M3: 1,117,197 km (0.097 R)
• M4: 1,332,767 km (0.116 R)
• M5: 1,653,356 km (0.054 R)
• M6: 2,115,613 km (0.102 R)
• M7: 2,552,588 km (0.115 R)
• M8: 3,907,796 km (0.088 R)
• M9: 4,257,406 km (0.106 R)
• M10: 4,723,403 km (0.038 R)
• M11: 6,685,678 km (0.078 R)
• M12: 7,445,187 km (0.109 R)
• M13: 7,845,810 km (0.106 R)
• M14: 10,337,662 km (0.109 R)
• M15: 13,506,743 km (0.08 R)
• M16: 13,769,437 km (0.043 R)
• M17: 15,994,556 km (0.119 R)
• M18: 16,586,066 km (0.103 R)
• M19: 20,879,076 km (0.062 R)
• M20: 25,258,404 km (0.109 R)
• M21: 34,908,514 km (0.04 R)
• M22: 37,171,780 km (0.088 R)
• M23: 41,988,083 km (0.11 R)
• M24: 44,111,924 km (0.058 R)
• M25: 44,835,529 km (0.045 R)
• M26: 51,388,065 km (0.12 R)
• M27: 54,476,065 km (0.112 R)
• M28: 55,812,572 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 177.6

Radius: 6.8

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 12.21 AU - 14.01 AU

Year: 20723 Days

Day: 21 Hours

Environment

Temp: -198 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 49,679,944 km

• M1: 85,570 km (0.098 R)
• M2: 430,094 km (0.081 R)
• M3: 1,232,686 km (0.071 R)
• M4: 2,085,993 km (0.077 R)
• M5: 2,763,222 km (0.073 R)
• M6: 3,706,736 km (0.091 R)
• M7: 4,055,299 km (0.065 R)
• M8: 5,501,162 km (0.072 R)
• M9: 5,777,619 km (0.084 R)
• M10: 8,112,992 km (0.106 R)
• M11: 8,336,042 km (0.103 R)
• M12: 10,115,808 km (0.084 R)
• M13: 10,797,226 km (0.084 R)
• M14: 11,067,250 km (0.097 R)
• M15: 12,076,887 km (0.071 R)
• M16: 13,454,832 km (0.101 R)
• M17: 13,894,201 km (0.074 R)
• M18: 15,886,247 km (0.091 R)
• M19: 18,906,179 km (0.092 R)
• M20: 19,378,011 km (0.104 R)
• M21: 20,263,331 km (0.067 R)
• M22: 22,814,872 km (0.082 R)
• M23: 23,801,620 km (0.063 R)
• M24: 25,764,194 km (0.12 R)
• M25: 30,007,986 km (0.048 R)
• M26: 31,300,961 km (0.072 R)
• M27: 35,402,486 km (0.117 R)
• M28: 38,202,359 km (0.107 R)
• M29: 38,703,961 km (0.044 R)
• M30: 39,848,385 km (0.086 R)
• M31: 45,348,949 km (0.104 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 14,659 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit