🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.9

Radius: 9.7

Gravity: 9.03 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.55 AU - 0.77 AU

Year: 370 Days

Day: 14.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,948,795 km

• M1: 120,875 km (0.1 R)
• M2: 954,285 km (0.108 R)
• M3: 1,507,498 km (0.106 R)
• M4: 2,228,111 km (0.096 R)
• M5: 2,569,044 km (0.108 R)
• M6: 4,121,571 km (0.047 R)
• M7: 4,982,507 km (0.118 R)
• M8: 5,358,745 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.9

Radius: 14

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.98 AU - 1.42 AU

Year: 907 Days

Day: 13.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,948,795 km

• M1: 174,730 km (0.094 R)
• M2: 691,441 km (0.084 R)
• M3: 1,240,166 km (0.048 R)
• M4: 2,091,827 km (0.093 R)
• M5: 2,673,464 km (0.111 R)
• M6: 3,253,006 km (0.082 R)
• M7: 4,547,177 km (0.113 R)
• M8: 5,631,462 km (0.096 R)
• M9: 7,018,534 km (0.107 R)
• M10: 7,633,231 km (0.033 R)
• M11: 8,283,683 km (0.066 R)
• M12: 9,134,745 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.9

Radius: 9.5

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.14 AU - 1.54 AU

Year: 1071 Days

Day: 7.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,948,795 km

• M1: 118,182 km (0.09 R)
• M2: 436,826 km (0.06 R)
• M3: 894,296 km (0.09 R)
• M4: 1,197,082 km (0.114 R)
• M5: 1,917,396 km (0.069 R)
• M6: 2,259,227 km (0.098 R)
• M7: 3,053,592 km (0.098 R)
• M8: 3,492,512 km (0.095 R)
• M9: 4,040,489 km (0.083 R)
• M10: 4,406,854 km (0.118 R)
• M11: 5,047,283 km (0.113 R)
• M12: 5,684,121 km (0.047 R)
• M13: 6,258,726 km (0.087 R)
• M14: 7,293,495 km (0.072 R)
• M15: 8,107,457 km (0.11 R)
• M16: 8,522,591 km (0.086 R)
• M17: 8,864,871 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.6

Radius: 14.1

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.16 AU - 4.06 AU

Year: 4734 Days

Day: 10.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,948,795 km

• M1: 175,777 km (0.064 R)
• M2: 1,024,446 km (0.091 R)
• M3: 2,079,560 km (0.115 R)
• M4: 2,592,232 km (0.08 R)
• M5: 3,501,937 km (0.101 R)
• M6: 4,813,760 km (0.084 R)
• M7: 6,586,495 km (0.075 R)
• M8: 9,029,727 km (0.093 R)
• M9: 9,502,606 km (0.098 R)
• M10: 10,285,302 km (0.049 R)
• M11: 11,885,850 km (0.106 R)
• M12: 12,991,977 km (0.107 R)
• M13: 15,632,529 km (0.095 R)
• M14: 17,078,841 km (0.076 R)
• M15: 17,620,834 km (0.107 R)
• M16: 19,707,126 km (0.089 R)
• M17: 26,788,341 km (0.069 R)
• M18: 27,438,793 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.9

Radius: 11.9

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.31 AU - 4.97 AU

Year: 5814 Days

Day: 6.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 37,948,795 km

• M1: 148,102 km (0.07 R)
• M2: 584,778 km (0.063 R)
• M3: 1,021,454 km (0.07 R)
• M4: 1,406,070 km (0.09 R)
• M5: 2,148,525 km (0.082 R)
• M6: 2,835,777 km (0.113 R)
• M7: 3,350,095 km (0.093 R)
• M8: 4,302,884 km (0.045 R)
• M9: 4,703,806 km (0.116 R)
• M10: 5,674,995 km (0.101 R)
• M11: 6,158,496 km (0.064 R)
• M12: 6,775,138 km (0.096 R)
• M13: 8,012,462 km (0.088 R)
• M14: 10,736,041 km (0.113 R)
• M15: 11,991,317 km (0.027 R)
• M16: 12,681,561 km (0.105 R)
• M17: 13,454,384 km (0.083 R)
• M18: 15,277,084 km (0.092 R)
• M19: 16,732,073 km (0.103 R)
• M20: 18,070,675 km (0.103 R)
• M21: 18,695,844 km (0.099 R)
• M22: 21,341,931 km (0.11 R)
• M23: 25,245,538 km (0.059 R)
• M24: 25,677,727 km (0.104 R)
• M25: 29,505,786 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.8

Radius: 12.7

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.73 AU - 5.31 AU

Year: 7764 Days

Day: 12.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 114.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,948,795 km

• M1: 158,125 km (0.11 R)
• M2: 648,507 km (0.1 R)
• M3: 1,460,973 km (0.111 R)
• M4: 1,866,533 km (0.107 R)
• M5: 2,286,005 km (0.095 R)
• M6: 3,989,476 km (0.075 R)
• M7: 4,931,045 km (0.111 R)
• M8: 5,512,083 km (0.101 R)
• M9: 7,392,678 km (0.069 R)
• M10: 8,080,679 km (0.061 R)
• M11: 8,653,638 km (0.113 R)
• M12: 9,376,795 km (0.091 R)
• M13: 10,581,656 km (0.051 R)
• M14: 12,378,476 km (0.082 R)
• M15: 16,507,975 km (0.071 R)
• M16: 19,654,168 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 107.6

Radius: 6.1

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 8.63 AU - 8.81 AU

Year: 17774 Days

Day: 16.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,948,795 km

• M1: 75,846 km (0.093 R)
• M2: 275,410 km (0.101 R)
• M3: 473,627 km (0.065 R)
• M4: 3,066,008 km (0.111 R)
• M5: 3,504,031 km (0.108 R)
• M6: 4,867,017 km (0.052 R)
• M7: 7,052,792 km (0.061 R)
• M8: 7,580,573 km (0.048 R)
• M9: 12,955,176 km (0.073 R)
• M10: 22,683,974 km (0.086 R)
• M11: 24,081,218 km (0.113 R)
• M12: 30,834,964 km (0.102 R)
• M13: 32,959,104 km (0.036 R)
• M14: 34,534,668 km (0.089 R)
• M15: 37,383,610 km (0.071 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 11,112 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit