🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724

Radius: 13.8

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.49 AU - 0.67 AU

Year: 305 Days

Day: 7.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,320,441 km

• M1: 171,738 km (0.102 R)
• M2: 601,533 km (0.111 R)
• M3: 1,134,401 km (0.091 R)
• M4: 1,944,024 km (0.076 R)
• M5: 2,427,824 km (0.119 R)
• M6: 3,464,836 km (0.088 R)
• M7: 4,023,584 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.9

Radius: 11.2

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.11 AU - 1.11 AU

Year: 807 Days

Day: 7.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,320,441 km

• M1: 139,276 km (0.091 R)
• M2: 536,308 km (0.098 R)
• M3: 1,022,801 km (0.039 R)
• M4: 1,578,258 km (0.118 R)
• M5: 2,275,234 km (0.039 R)
• M6: 2,654,016 km (0.082 R)
• M7: 3,101,313 km (0.06 R)
• M8: 3,730,971 km (0.114 R)
• M9: 4,100,777 km (0.066 R)
• M10: 4,528,926 km (0.094 R)
• M11: 4,878,536 km (0.072 R)
• M12: 5,612,763 km (0.119 R)
• M13: 6,037,770 km (0.033 R)
• M14: 7,857,778 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.3

Radius: 13.5

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.15 AU - 1.19 AU

Year: 874 Days

Day: 8.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,320,441 km

• M1: 168,746 km (0.104 R)
• M2: 664,215 km (0.112 R)
• M3: 1,323,343 km (0.071 R)
• M4: 1,996,982 km (0.058 R)
• M5: 2,706,375 km (0.062 R)
• M6: 3,289,208 km (0.075 R)
• M7: 3,955,218 km (0.11 R)
• M8: 4,402,815 km (0.099 R)
• M9: 5,130,010 km (0.068 R)
• M10: 5,628,769 km (0.11 R)
• M11: 6,103,444 km (0.098 R)
• M12: 6,644,389 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.3

Radius: 10.2

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.17 AU - 1.63 AU

Year: 1143 Days

Day: 11.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,320,441 km

• M1: 126,859 km (0.118 R)
• M2: 461,958 km (0.116 R)
• M3: 1,087,427 km (0.091 R)
• M4: 2,051,884 km (0.109 R)
• M5: 2,762,624 km (0.07 R)
• M6: 3,255,698 km (0.056 R)
• M7: 4,732,678 km (0.055 R)
• M8: 5,197,329 km (0.111 R)
• M9: 6,394,262 km (0.084 R)
• M10: 6,879,856 km (0.112 R)
• M11: 7,217,050 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.3

Radius: 14.3

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.02 AU - 2.7 AU

Year: 2503 Days

Day: 14.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,320,441 km

• M1: 178,021 km (0.103 R)
• M2: 799,301 km (0.082 R)
• M3: 1,438,234 km (0.04 R)
• M4: 2,119,802 km (0.097 R)
• M5: 2,610,034 km (0.097 R)
• M6: 3,348,300 km (0.059 R)
• M7: 4,060,086 km (0.09 R)
• M8: 4,962,760 km (0.12 R)
• M9: 5,413,349 km (0.069 R)
• M10: 5,891,164 km (0.03 R)
• M11: 8,255,558 km (0.096 R)
• M12: 9,523,400 km (0.117 R)
• M13: 10,336,614 km (0.078 R)
• M14: 11,725,631 km (0.106 R)
• M15: 12,835,497 km (0.095 R)
• M16: 15,512,850 km (0.118 R)
• M17: 18,769,895 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.3

Radius: 10.3

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.31 AU - 3.19 AU

Year: 3148 Days

Day: 6.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,320,441 km

• M1: 128,804 km (0.118 R)
• M2: 517,459 km (0.116 R)
• M3: 875,746 km (0.11 R)
• M4: 1,365,081 km (0.105 R)
• M5: 1,787,994 km (0.061 R)
• M6: 3,069,748 km (0.048 R)
• M7: 3,642,409 km (0.108 R)
• M8: 6,041,211 km (0.084 R)
• M9: 7,503,380 km (0.101 R)
• M10: 11,810,154 km (0.093 R)

Asteroid Belt

Center: 3.72 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.6

Radius: 13.8

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.63 AU - 5.73 AU

Year: 6988 Days

Day: 7.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,320,441 km

• M1: 171,589 km (0.103 R)
• M2: 618,737 km (0.049 R)
• M3: 1,297,313 km (0.075 R)
• M4: 1,918,293 km (0.051 R)
• M5: 2,401,644 km (0.098 R)
• M6: 2,893,821 km (0.103 R)
• M7: 3,412,477 km (0.043 R)
• M8: 4,131,145 km (0.116 R)
• M9: 5,467,054 km (0.092 R)
• M10: 6,517,381 km (0.025 R)
• M11: 7,698,157 km (0.117 R)
• M12: 8,937,725 km (0.101 R)
• M13: 9,379,188 km (0.031 R)
• M14: 9,962,321 km (0.082 R)
• M15: 10,525,407 km (0.078 R)
• M16: 13,146,661 km (0.067 R)
• M17: 15,479,191 km (0.034 R)
• M18: 15,941,747 km (0.118 R)
• M19: 16,773,661 km (0.093 R)
• M20: 18,203,069 km (0.111 R)
• M21: 21,445,603 km (0.092 R)
• M22: 24,117,421 km (0.066 R)
• M23: 27,338,412 km (0.046 R)
• M24: 28,358,221 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 458

Radius: 3.7

Gravity: 33.46 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 5.05 AU - 7.57 AU

Year: 10941 Days

Day: 17.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,320,441 km

• M1: 46,076 km (0.09 R)
• M2: 181,612 km (0.032 R)
• M3: 318,494 km (0.106 R)
• M4: 440,416 km (0.109 R)
• M5: 594,053 km (0.061 R)
• M6: 783,145 km (0.083 R)
• M7: 970,591 km (0.107 R)
• M8: 1,222,514 km (0.066 R)
• M9: 1,732,493 km (0.102 R)
• M10: 2,934,213 km (0.099 R)
• M11: 3,110,140 km (0.08 R)
• M12: 3,269,761 km (0.046 R)
• M13: 4,070,259 km (0.064 R)
• M14: 4,317,095 km (0.051 R)
• M15: 6,442,432 km (0.109 R)
• M16: 7,483,035 km (0.093 R)
• M17: 10,847,940 km (0.105 R)
• M18: 11,809,854 km (0.103 R)
• M19: 12,539,144 km (0.109 R)
• M20: 13,597,698 km (0.11 R)
• M21: 14,024,950 km (0.118 R)
• M22: 15,690,423 km (0.072 R)
• M23: 16,092,692 km (0.115 R)
• M24: 17,483,354 km (0.07 R)
• M25: 24,558,585 km (0.082 R)
• M26: 27,252,244 km (0.1 R)
• M27: 28,620,466 km (0.118 R)
• M28: 29,321,482 km (0.098 R)
• M29: 30,653,501 km (0.113 R)
• M30: 35,805,802 km (0.074 R)
• M31: 37,089,800 km (0.073 R)
• M32: 40,246,016 km (0.028 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 168.9

Radius: 7.2

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 5.56 AU - 8.06 AU

Year: 12267 Days

Day: 17.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,320,441 km

• M1: 89,609 km (0.104 R)
• M2: 356,193 km (0.037 R)
• M3: 750,832 km (0.039 R)
• M4: 2,598,515 km (0.076 R)
• M5: 2,956,503 km (0.074 R)
• M6: 4,619,881 km (0.057 R)
• M7: 5,559,356 km (0.032 R)
• M8: 7,217,050 km (0.041 R)
• M9: 7,584,313 km (0.116 R)
• M10: 8,197,963 km (0.052 R)
• M11: 9,876,451 km (0.057 R)
• M12: 12,752,321 km (0.085 R)
• M13: 13,344,130 km (0.109 R)
• M14: 16,580,830 km (0.038 R)
• M15: 22,867,830 km (0.097 R)
• M16: 23,982,633 km (0.106 R)
• M17: 30,388,414 km (0.06 R)
• M18: 30,769,140 km (0.096 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 364.5

Radius: 6.6

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.84 AU - 9.7 AU

Year: 17927 Days

Day: 22.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,320,441 km

• M1: 82,728 km (0.096 R)
• M2: 295,157 km (0.082 R)
• M3: 987,196 km (0.111 R)
• M4: 1,298,659 km (0.106 R)
• M5: 1,643,033 km (0.101 R)
• M6: 2,028,846 km (0.057 R)
• M7: 3,884,458 km (0.049 R)
• M8: 4,114,241 km (0.098 R)
• M9: 4,858,789 km (0.115 R)
• M10: 5,092,012 km (0.04 R)
• M11: 6,774,988 km (0.037 R)
• M12: 9,347,773 km (0.074 R)
• M13: 12,507,429 km (0.104 R)
• M14: 16,990,728 km (0.087 R)
• M15: 19,131,772 km (0.105 R)
• M16: 23,370,628 km (0.05 R)
• M17: 24,423,199 km (0.086 R)
• M18: 29,388,053 km (0.079 R)
• M19: 37,514,359 km (0.105 R)
• M20: 41,948,141 km (0.07 R)
• M21: 44,218,288 km (0.069 R)
• M22: 50,249,626 km (0.097 R)
• M23: 51,678,435 km (0.043 R)
• M24: 54,119,423 km (0.105 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 445 - 16,180 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit