🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.69 AU - 0.75 AU

Year: 258 Days

Day: 40.3 Hours

Environment

Temp: 5 °C

Axial Tilt: 18 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.84 AU - 1.02 AU

Year: 378 Days

Day: 42.6 Hours

Environment

Temp: -41 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,614,780 km

• M1: 227,090 km (0.081 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.97 AU - 1.11 AU

Year: 447 Days

Day: 44.1 Hours

Environment

Temp: -42 °C

Axial Tilt: 29.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.69 AU - 2.11 AU

Year: 1105 Days

Day: 35.2 Hours

Environment

Temp: -102 °C

Axial Tilt: 141.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,614,780 km

• M1: 131,347 km (0.048 R)

Asteroid Belt

Center: 3.12 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.4

Radius: 8.3

Gravity: 14.35 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.92 AU - 4.76 AU

Year: 3813 Days

Day: 10.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 58.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,614,780 km

• M1: 103,223 km (0.084 R)
• M2: 413,788 km (0.069 R)
• M3: 884,871 km (0.108 R)
• M4: 1,540,708 km (0.093 R)
• M5: 1,812,677 km (0.066 R)
• M6: 2,131,620 km (0.114 R)
• M7: 2,776,387 km (0.09 R)
• M8: 3,889,993 km (0.077 R)
• M9: 4,448,891 km (0.117 R)
• M10: 4,876,442 km (0.113 R)
• M11: 5,140,632 km (0.087 R)
• M12: 6,450,211 km (0.049 R)
• M13: 6,736,691 km (0.06 R)
• M14: 7,065,059 km (0.079 R)
• M15: 7,647,742 km (0.109 R)
• M16: 7,932,876 km (0.092 R)
• M17: 8,948,047 km (0.09 R)
• M18: 10,089,778 km (0.083 R)
• M19: 10,651,668 km (0.1 R)
• M20: 12,610,203 km (0.066 R)
• M21: 18,406,971 km (0.053 R)
• M22: 18,985,017 km (0.08 R)
• M23: 19,841,166 km (0.095 R)
• M24: 21,068,766 km (0.09 R)
• M25: 23,900,953 km (0.095 R)
• M26: 25,685,057 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.2

Radius: 12.1

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.61 AU - 5.29 AU

Year: 4645 Days

Day: 6.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,614,780 km

• M1: 152,590 km (0.115 R)
• M2: 933,042 km (0.109 R)
• M3: 1,435,392 km (0.03 R)
• M4: 2,968,171 km (0.076 R)
• M5: 4,380,076 km (0.114 R)
• M6: 6,411,166 km (0.089 R)
• M7: 7,210,169 km (0.103 R)
• M8: 7,720,746 km (0.117 R)
• M9: 8,550,565 km (0.118 R)
• M10: 10,558,917 km (0.069 R)
• M11: 11,489,715 km (0.077 R)
• M12: 12,140,166 km (0.094 R)
• M13: 13,514,821 km (0.087 R)
• M14: 14,187,264 km (0.083 R)
• M15: 14,881,847 km (0.1 R)
• M16: 15,431,469 km (0.043 R)
• M17: 20,328,256 km (0.066 R)
• M18: 21,349,411 km (0.037 R)
• M19: 22,119,840 km (0.073 R)
• M20: 22,763,859 km (0.101 R)
• M21: 23,567,948 km (0.114 R)
• M22: 24,924,352 km (0.113 R)
• M23: 27,299,816 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.5

Radius: 14

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 9.48 AU - 10.42 AU

Year: 13237 Days

Day: 5.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 73,614,780 km

• M1: 174,132 km (0.118 R)
• M2: 820,844 km (0.043 R)
• M3: 1,294,171 km (0.065 R)
• M4: 1,973,046 km (0.09 R)
• M5: 2,615,420 km (0.119 R)
• M6: 3,369,243 km (0.1 R)
• M7: 3,882,663 km (0.101 R)
• M8: 4,703,058 km (0.106 R)
• M9: 5,526,744 km (0.105 R)
• M10: 6,898,257 km (0.11 R)
• M11: 10,417,547 km (0.068 R)
• M12: 11,817,783 km (0.047 R)
• M13: 13,673,245 km (0.074 R)
• M14: 14,148,817 km (0.044 R)
• M15: 16,694,973 km (0.091 R)
• M16: 20,399,764 km (0.061 R)
• M17: 21,931,796 km (0.074 R)
• M18: 22,584,491 km (0.113 R)
• M19: 23,831,090 km (0.12 R)
• M20: 31,343,596 km (0.091 R)
• M21: 33,015,203 km (0.093 R)
• M22: 34,619,939 km (0.099 R)
• M23: 35,124,084 km (0.12 R)
• M24: 39,062,248 km (0.116 R)
• M25: 41,703,398 km (0.077 R)
• M26: 44,461,385 km (0.096 R)
• M27: 45,206,981 km (0.114 R)
• M28: 59,192,287 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 252.3

Radius: 3.9

Gravity: 16.59 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 12.78 AU - 14.22 AU

Year: 20920 Days

Day: 17.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,614,780 km

• M1: 53,556 km (0.043 R)
• M2: 300,692 km (0.092 R)
• M3: 679,623 km (0.081 R)
• M4: 1,888,524 km (0.06 R)
• M5: 4,004,137 km (0.092 R)
• M6: 5,030,228 km (0.086 R)
• M7: 6,104,640 km (0.108 R)
• M8: 7,109,788 km (0.062 R)
• M9: 7,585,210 km (0.119 R)
• M10: 7,944,096 km (0.118 R)
• M11: 13,431,346 km (0.091 R)
• M12: 21,624,821 km (0.076 R)
• M13: 29,341,378 km (0.026 R)
• M14: 33,928,647 km (0.043 R)
• M15: 36,517,887 km (0.117 R)
• M16: 36,771,157 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 412.5

Radius: 6.7

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 11.74 AU - 18.28 AU

Year: 24526 Days

Day: 18.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 73,614,780 km

• M1: 83,326 km (0.111 R)
• M2: 401,820 km (0.094 R)
• M3: 920,924 km (0.119 R)
• M4: 1,595,910 km (0.115 R)
• M5: 3,345,308 km (0.089 R)
• M6: 3,777,795 km (0.117 R)
• M7: 5,415,144 km (0.111 R)
• M8: 8,266,180 km (0.092 R)
• M9: 14,430,211 km (0.073 R)
• M10: 15,729,019 km (0.086 R)
• M11: 16,285,823 km (0.074 R)
• M12: 21,610,011 km (0.089 R)
• M13: 23,511,400 km (0.079 R)
• M14: 23,821,367 km (0.112 R)
• M15: 25,739,510 km (0.054 R)
• M16: 28,570,949 km (0.06 R)
• M17: 35,789,346 km (0.095 R)
• M18: 37,169,536 km (0.067 R)
• M19: 39,889,075 km (0.111 R)
• M20: 40,330,240 km (0.119 R)
• M21: 48,838,768 km (0.103 R)
• M22: 50,363,918 km (0.118 R)
• M23: 54,225,638 km (0.071 R)
• M24: 62,137,121 km (0.093 R)
• M25: 67,401,321 km (0.113 R)
• M26: 69,078,911 km (0.061 R)
• M27: 71,430,889 km (0.091 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 14,630 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit