🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.38 AU - 1.78 AU

Year: 695 Days

Day: 22.1 Hours

Environment

Temp: -3 °C

Axial Tilt: 13.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.63 AU - 2.15 AU

Year: 909 Days

Day: 45.3 Hours

Environment

Temp: -49 °C

Axial Tilt: 25 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.61 AU - 4.27 AU

Year: 2232 Days

Day: 16.5 Hours

Environment

Temp: -101 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.69 AU - 5.73 AU

Year: 4160 Days

Day: 17.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.47 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 11.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.1

Radius: 8

Gravity: 15.28 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 10.29 AU - 13.15 AU

Year: 14037 Days

Day: 9.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 111,781,689 km

• M1: 99,483 km (0.066 R)
• M2: 366,066 km (0.066 R)
• M3: 664,663 km (0.084 R)
• M4: 1,566,888 km (0.096 R)
• M5: 2,462,082 km (0.118 R)
• M6: 3,985,437 km (0.058 R)
• M7: 6,093,869 km (0.105 R)
• M8: 6,506,161 km (0.056 R)
• M9: 7,618,720 km (0.079 R)
• M10: 10,738,883 km (0.114 R)
• M11: 11,158,056 km (0.092 R)
• M12: 14,914,010 km (0.07 R)
• M13: 15,970,021 km (0.111 R)
• M14: 20,972,125 km (0.083 R)
• M15: 22,199,576 km (0.093 R)
• M16: 23,374,667 km (0.029 R)
• M17: 24,487,526 km (0.104 R)
• M18: 25,424,158 km (0.049 R)
• M19: 26,061,595 km (0.076 R)
• M20: 27,925,883 km (0.11 R)
• M21: 28,377,070 km (0.053 R)
• M22: 30,349,219 km (0.116 R)
• M23: 30,946,264 km (0.045 R)
• M24: 36,542,272 km (0.103 R)
• M25: 41,888,002 km (0.045 R)
• M26: 46,775,514 km (0.081 R)
• M27: 55,152,097 km (0.049 R)
• M28: 57,301,520 km (0.117 R)
• M29: 65,065,948 km (0.027 R)

Planet 6 - Gas Giant

Semi-Major Axis: 13.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.1

Radius: 10.2

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 11.8 AU - 14.22 AU

Year: 16417 Days

Day: 5.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 111,781,689 km

• M1: 127,158 km (0.114 R)
• M2: 615,894 km (0.093 R)
• M3: 934,089 km (0.118 R)
• M4: 1,426,117 km (0.096 R)
• M5: 1,931,907 km (0.119 R)
• M6: 3,278,437 km (0.115 R)
• M7: 3,674,423 km (0.083 R)
• M8: 4,912,944 km (0.102 R)
• M9: 5,280,954 km (0.097 R)
• M10: 6,497,185 km (0.102 R)
• M11: 8,764,341 km (0.09 R)
• M12: 9,252,180 km (0.103 R)
• M13: 9,815,266 km (0.109 R)
• M14: 12,842,229 km (0.103 R)
• M15: 13,543,394 km (0.083 R)
• M16: 14,418,093 km (0.096 R)
• M17: 15,407,683 km (0.036 R)
• M18: 18,296,867 km (0.079 R)
• M19: 19,822,765 km (0.065 R)
• M20: 20,758,949 km (0.107 R)
• M21: 22,317,908 km (0.082 R)
• M22: 25,558,048 km (0.105 R)
• M23: 25,997,866 km (0.118 R)
• M24: 34,534,369 km (0.058 R)
• M25: 36,440,396 km (0.086 R)
• M26: 40,609,988 km (0.072 R)
• M27: 41,813,802 km (0.088 R)
• M28: 48,527,305 km (0.101 R)
• M29: 49,201,842 km (0.037 R)
• M30: 49,541,579 km (0.111 R)
• M31: 56,295,324 km (0.082 R)
• M32: 61,844,508 km (0.099 R)
• M33: 69,226,863 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 49.3

Radius: 4.7

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 15.24 AU - 25.34 AU

Year: 31974 Days

Day: 18.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 111,781,689 km

• M1: 58,642 km (0.104 R)
• M2: 210,185 km (0.111 R)
• M3: 452,982 km (0.064 R)
• M4: 835,654 km (0.114 R)
• M5: 1,555,668 km (0.049 R)
• M6: 5,205,108 km (0.096 R)
• M7: 6,099,853 km (0.11 R)
• M8: 9,161,374 km (0.087 R)
• M9: 10,761,622 km (0.095 R)
• M10: 12,202,250 km (0.054 R)
• M11: 12,997,661 km (0.106 R)
• M12: 15,656,614 km (0.066 R)
• M13: 17,641,179 km (0.059 R)
• M14: 20,883,264 km (0.102 R)
• M15: 23,798,628 km (0.115 R)
• M16: 24,768,022 km (0.068 R)
• M17: 28,124,848 km (0.096 R)
• M18: 29,108,305 km (0.111 R)
• M19: 35,495,685 km (0.116 R)
• M20: 42,756,717 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 831.2

Radius: 3.6

Gravity: 64.14 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 16.09 AU - 24.79 AU

Year: 32329 Days

Day: 22.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 111,781,689 km

• M1: 44,879 km (0.083 R)
• M2: 223,798 km (0.08 R)
• M3: 537,655 km (0.087 R)
• M4: 1,155,195 km (0.067 R)
• M5: 1,300,604 km (0.106 R)
• M6: 2,394,015 km (0.078 R)
• M7: 4,321,284 km (0.079 R)
• M8: 4,673,138 km (0.083 R)
• M9: 6,175,998 km (0.106 R)
• M10: 6,322,305 km (0.101 R)
• M11: 6,878,959 km (0.054 R)
• M12: 7,249,662 km (0.113 R)
• M13: 8,031,012 km (0.104 R)
• M14: 8,622,372 km (0.109 R)
• M15: 10,850,034 km (0.111 R)
• M16: 11,645,596 km (0.112 R)
• M17: 12,871,251 km (0.106 R)
• M18: 16,121,265 km (0.065 R)
• M19: 16,963,950 km (0.078 R)
• M20: 18,736,535 km (0.105 R)
• M21: 20,305,069 km (0.1 R)
• M22: 21,958,873 km (0.068 R)
• M23: 26,035,714 km (0.096 R)
• M24: 27,324,350 km (0.091 R)
• M25: 30,589,174 km (0.108 R)
• M26: 39,197,634 km (0.106 R)
• M27: 43,155,994 km (0.105 R)
• M28: 46,433,533 km (0.103 R)
• M29: 47,751,790 km (0.081 R)
• M30: 52,258,127 km (0.047 R)
• M31: 52,662,938 km (0.105 R)
• M32: 63,473,778 km (0.064 R)
• M33: 63,703,860 km (0.111 R)
• M34: 63,934,540 km (0.084 R)
• M35: 74,899,764 km (0.104 R)
• M36: 87,906,850 km (0.105 R)
• M37: 90,211,406 km (0.043 R)
• M38: 90,793,790 km (0.102 R)
• M39: 97,365,774 km (0.09 R)
• M40: 107,807,257 km (0.111 R)
• M41: 108,462,944 km (0.08 R)

Kuiper Belt

Range: 31.4 - 52.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 312 - 18,499 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit