🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.49 AU - 0.55 AU

Year: 246 Days

Day: 45.6 Hours

Environment

Temp: -111 °C

Axial Tilt: 44.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.1

Radius: 9

Gravity: 10.21 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.74 AU - 0.76 AU

Year: 426 Days

Day: 8.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,198,610 km

• M1: 112,348 km (0.087 R)
• M2: 392,545 km (0.096 R)
• M3: 763,099 km (0.111 R)
• M4: 1,399,937 km (0.088 R)
• M5: 1,791,135 km (0.042 R)
• M6: 2,529,999 km (0.088 R)
• M7: 2,817,377 km (0.113 R)
• M8: 3,103,857 km (0.082 R)
• M9: 3,608,301 km (0.082 R)
• M10: 4,124,712 km (0.106 R)
• M11: 5,488,147 km (0.073 R)
• M12: 6,153,559 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.7

Radius: 15

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.74 AU - 0.92 AU

Year: 496 Days

Day: 8.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,198,610 km

• M1: 186,549 km (0.108 R)
• M2: 670,348 km (0.07 R)
• M3: 1,261,708 km (0.033 R)
• M4: 2,350,931 km (0.055 R)
• M5: 3,634,181 km (0.045 R)
• M6: 4,181,859 km (0.113 R)
• M7: 4,707,995 km (0.109 R)
• M8: 5,328,078 km (0.092 R)
• M9: 5,859,599 km (0.072 R)
• M10: 6,578,716 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.3

Radius: 12

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.04 AU - 1.2 AU

Year: 778 Days

Day: 13.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,198,610 km

• M1: 149,299 km (0.09 R)
• M2: 713,283 km (0.077 R)
• M3: 1,122,582 km (0.087 R)
• M4: 1,752,689 km (0.11 R)
• M5: 2,324,302 km (0.084 R)
• M6: 3,291,153 km (0.097 R)
• M7: 3,784,976 km (0.113 R)
• M8: 4,442,608 km (0.102 R)
• M9: 5,379,839 km (0.1 R)
• M10: 6,254,388 km (0.089 R)
• M11: 7,886,949 km (0.114 R)
• M12: 8,438,217 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.1

Radius: 14.4

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.64 AU - 1.68 AU

Year: 1403 Days

Day: 5.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,198,610 km

• M1: 180,864 km (0.094 R)
• M2: 667,207 km (0.081 R)
• M3: 1,212,192 km (0.115 R)
• M4: 2,507,859 km (0.098 R)
• M5: 3,178,955 km (0.09 R)
• M6: 4,011,168 km (0.091 R)
• M7: 4,574,553 km (0.081 R)
• M8: 6,672,065 km (0.072 R)
• M9: 7,158,857 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.7

Radius: 10.4

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.06 AU - 2.52 AU

Year: 2273 Days

Day: 10.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,198,610 km

• M1: 129,402 km (0.054 R)
• M2: 461,061 km (0.116 R)
• M3: 837,898 km (0.082 R)
• M4: 1,306,289 km (0.103 R)
• M5: 1,805,048 km (0.103 R)
• M6: 2,428,123 km (0.108 R)
• M7: 3,786,023 km (0.069 R)
• M8: 4,224,345 km (0.053 R)
• M9: 4,831,114 km (0.109 R)
• M10: 5,470,495 km (0.115 R)
• M11: 5,979,576 km (0.097 R)
• M12: 6,464,573 km (0.069 R)
• M13: 6,888,683 km (0.075 R)
• M14: 7,575,187 km (0.062 R)
• M15: 8,471,578 km (0.12 R)
• M16: 9,836,060 km (0.088 R)
• M17: 10,745,465 km (0.081 R)
• M18: 13,174,037 km (0.047 R)
• M19: 14,853,124 km (0.039 R)
• M20: 15,443,437 km (0.1 R)
• M21: 15,947,133 km (0.075 R)
• M22: 18,631,966 km (0.12 R)
• M23: 19,609,588 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.1

Radius: 12.5

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.37 AU - 5.71 AU

Year: 7423 Days

Day: 12.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,198,610 km

• M1: 161,117 km (0.071 R)
• M2: 686,056 km (0.098 R)
• M3: 1,080,246 km (0.083 R)
• M4: 1,730,548 km (0.095 R)
• M5: 3,143,799 km (0.11 R)
• M6: 4,317,843 km (0.038 R)
• M7: 4,886,016 km (0.101 R)
• M8: 5,471,542 km (0.056 R)
• M9: 5,966,561 km (0.079 R)
• M10: 7,836,684 km (0.075 R)
• M11: 9,313,963 km (0.102 R)
• M12: 10,563,405 km (0.078 R)
• M13: 11,021,025 km (0.093 R)
• M14: 12,870,802 km (0.094 R)
• M15: 13,749,391 km (0.09 R)
• M16: 14,418,841 km (0.086 R)
• M17: 18,975,892 km (0.107 R)
• M18: 27,820,866 km (0.086 R)
• M19: 33,129,196 km (0.051 R)
• M20: 34,666,015 km (0.054 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 15,930 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit