🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.2

Radius: 11.9

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.57 AU - 0.83 AU

Year: 397 Days

Day: 14.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 174.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,246,577 km

• M1: 148,850 km (0.108 R)
• M2: 586,872 km (0.081 R)
• M3: 990,936 km (0.091 R)
• M4: 1,387,670 km (0.103 R)
• M5: 2,678,251 km (0.091 R)
• M6: 3,321,970 km (0.027 R)
• M7: 3,760,591 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.9

Radius: 12.3

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.06 AU - 1.48 AU

Year: 971 Days

Day: 9.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,246,577 km

• M1: 153,487 km (0.095 R)
• M2: 589,565 km (0.084 R)
• M3: 1,477,728 km (0.099 R)
• M4: 1,937,442 km (0.116 R)
• M5: 2,333,577 km (0.107 R)
• M6: 2,860,610 km (0.067 R)
• M7: 3,393,478 km (0.065 R)
• M8: 5,282,301 km (0.092 R)
• M9: 5,686,065 km (0.119 R)
• M10: 6,132,166 km (0.064 R)
• M11: 7,071,043 km (0.047 R)
• M12: 7,765,625 km (0.053 R)
• M13: 8,289,218 km (0.043 R)
• M14: 8,752,822 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.9

Radius: 9.1

Gravity: 11.1 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.08 AU - 2.16 AU

Year: 2094 Days

Day: 5.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,246,577 km

• M1: 113,096 km (0.072 R)
• M2: 416,780 km (0.083 R)
• M3: 1,021,454 km (0.071 R)
• M4: 2,456,846 km (0.028 R)
• M5: 3,937,416 km (0.094 R)
• M6: 4,422,412 km (0.068 R)
• M7: 5,130,758 km (0.091 R)
• M8: 5,861,544 km (0.108 R)
• M9: 8,703,305 km (0.094 R)
• M10: 9,633,953 km (0.073 R)
• M11: 10,477,984 km (0.095 R)
• M12: 10,937,400 km (0.092 R)
• M13: 11,490,313 km (0.081 R)
• M14: 12,781,044 km (0.104 R)
• M15: 14,680,637 km (0.117 R)
• M16: 15,896,719 km (0.071 R)
• M17: 16,554,949 km (0.067 R)
• M18: 17,073,605 km (0.112 R)
• M19: 17,710,144 km (0.102 R)
• M20: 18,307,488 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.1

Radius: 8.2

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.96 AU - 3.24 AU

Year: 2843 Days

Day: 9.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,246,577 km

• M1: 102,624 km (0.086 R)
• M2: 407,056 km (0.088 R)
• M3: 724,802 km (0.098 R)
• M4: 1,049,279 km (0.057 R)
• M5: 1,309,879 km (0.113 R)
• M6: 1,843,644 km (0.036 R)
• M7: 2,204,175 km (0.087 R)
• M8: 2,488,112 km (0.069 R)
• M9: 4,083,423 km (0.12 R)
• M10: 5,537,515 km (0.044 R)
• M11: 6,266,804 km (0.052 R)
• M12: 6,787,405 km (0.119 R)
• M13: 7,252,505 km (0.067 R)
• M14: 7,593,289 km (0.119 R)
• M15: 8,337,987 km (0.098 R)
• M16: 9,000,406 km (0.1 R)
• M17: 11,161,048 km (0.096 R)
• M18: 11,615,975 km (0.119 R)
• M19: 12,482,147 km (0.101 R)
• M20: 12,807,672 km (0.106 R)
• M21: 14,925,978 km (0.084 R)
• M22: 15,292,792 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.2

Radius: 14.8

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.29 AU - 3.05 AU

Year: 2959 Days

Day: 8.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,246,577 km

• M1: 184,155 km (0.114 R)
• M2: 733,179 km (0.069 R)
• M3: 1,240,765 km (0.107 R)
• M4: 1,758,673 km (0.062 R)
• M5: 2,461,483 km (0.084 R)
• M6: 3,892,387 km (0.061 R)
• M7: 4,378,730 km (0.063 R)
• M8: 5,823,845 km (0.099 R)
• M9: 6,853,826 km (0.117 R)
• M10: 9,177,680 km (0.119 R)
• M11: 9,841,146 km (0.117 R)
• M12: 10,859,908 km (0.047 R)
• M13: 11,755,401 km (0.086 R)
• M14: 13,273,370 km (0.065 R)
• M15: 15,419,202 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.3

Radius: 9.7

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.14 AU - 3.38 AU

Year: 3110 Days

Day: 7.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,246,577 km

• M1: 184,005 km (0.12 R)
• M2: 668,104 km (0.083 R)
• M3: 1,592,021 km (0.037 R)
• M4: 2,465,373 km (0.088 R)
• M5: 3,037,136 km (0.083 R)
• M6: 3,347,252 km (0.097 R)
• M7: 4,886,016 km (0.103 R)
• M8: 6,750,155 km (0.081 R)
• M9: 8,486,986 km (0.11 R)
• M10: 8,986,494 km (0.038 R)
• M11: 11,964,539 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.4

Radius: 5.2

Gravity: 21.02 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 5.24 AU - 6.84 AU

Year: 10068 Days

Day: 17.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 45,246,577 km

• M1: 64,776 km (0.036 R)
• M2: 226,491 km (0.117 R)
• M3: 394,490 km (0.094 R)
• M4: 593,156 km (0.116 R)
• M5: 1,088,773 km (0.087 R)
• M6: 1,545,196 km (0.087 R)
• M7: 1,763,310 km (0.115 R)
• M8: 2,334,774 km (0.102 R)
• M9: 2,849,241 km (0.102 R)
• M10: 3,436,113 km (0.088 R)
• M11: 3,887,301 km (0.105 R)
• M12: 4,237,060 km (0.116 R)
• M13: 4,462,504 km (0.094 R)
• M14: 5,380,287 km (0.05 R)
• M15: 7,022,274 km (0.1 R)
• M16: 7,747,075 km (0.12 R)
• M17: 8,789,324 km (0.119 R)
• M18: 9,156,586 km (0.094 R)
• M19: 9,630,064 km (0.115 R)
• M20: 11,742,984 km (0.082 R)
• M21: 11,964,389 km (0.063 R)
• M22: 12,703,253 km (0.087 R)
• M23: 13,532,324 km (0.059 R)
• M24: 15,896,569 km (0.087 R)
• M25: 17,858,844 km (0.112 R)
• M26: 18,973,648 km (0.055 R)
• M27: 24,165,292 km (0.115 R)
• M28: 25,805,782 km (0.108 R)
• M29: 27,228,608 km (0.106 R)
• M30: 28,106,897 km (0.109 R)
• M31: 30,022,797 km (0.117 R)
• M32: 37,592,000 km (0.112 R)
• M33: 39,417,393 km (0.115 R)
• M34: 43,243,808 km (0.077 R)
• M35: 44,706,576 km (0.117 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 18,493 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit