🌌 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: 927.5

Radius: 8.4

Gravity: 13.14 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.47 AU - 0.69 AU

Year: 295 Days

Day: 11.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,359,294 km

• M1: 104,569 km (0.109 R)
• M2: 369,806 km (0.119 R)
• M3: 659,128 km (0.093 R)
• M4: 924,066 km (0.091 R)
• M5: 1,396,795 km (0.089 R)
• M6: 1,788,891 km (0.108 R)
• M7: 2,087,339 km (0.105 R)
• M8: 2,418,998 km (0.107 R)
• M9: 3,040,278 km (0.1 R)
• M10: 3,479,946 km (0.101 R)
• M11: 4,284,633 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.2

Radius: 9.6

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.67 AU - 0.69 AU

Year: 374 Days

Day: 6.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,359,294 km

• M1: 119,977 km (0.036 R)
• M2: 539,749 km (0.117 R)
• M3: 960,269 km (0.051 R)
• M4: 1,577,210 km (0.049 R)
• M5: 2,095,268 km (0.067 R)
• M6: 2,600,460 km (0.057 R)
• M7: 2,962,038 km (0.113 R)
• M8: 3,305,963 km (0.088 R)
• M9: 3,632,835 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.3

Radius: 8.6

Gravity: 12.71 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.01 AU - 1.65 AU

Year: 1023 Days

Day: 5.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,359,294 km

• M1: 108,608 km (0.114 R)
• M2: 619,036 km (0.081 R)
• M3: 1,124,228 km (0.034 R)
• M4: 1,720,824 km (0.099 R)
• M5: 2,313,082 km (0.086 R)
• M6: 2,831,738 km (0.092 R)
• M7: 4,326,670 km (0.107 R)
• M8: 5,055,510 km (0.072 R)
• M9: 6,333,226 km (0.108 R)
• M10: 9,392,502 km (0.075 R)
• M11: 10,130,020 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.3

Radius: 12.7

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.29 AU - 1.41 AU

Year: 1046 Days

Day: 7.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,359,294 km

• M1: 157,975 km (0.063 R)
• M2: 771,925 km (0.083 R)
• M3: 1,410,708 km (0.105 R)
• M4: 2,114,566 km (0.059 R)
• M5: 3,564,768 km (0.114 R)
• M6: 4,172,733 km (0.113 R)
• M7: 4,719,514 km (0.026 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.3

Radius: 8

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.58 AU - 1.82 AU

Year: 1478 Days

Day: 14.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,359,294 km

• M1: 99,782 km (0.038 R)
• M2: 349,012 km (0.084 R)
• M3: 646,712 km (0.106 R)
• M4: 948,600 km (0.096 R)
• M5: 1,339,051 km (0.077 R)
• M6: 1,691,054 km (0.108 R)
• M7: 2,383,094 km (0.112 R)
• M8: 3,164,743 km (0.102 R)
• M9: 3,521,534 km (0.083 R)
• M10: 4,587,419 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.3

Radius: 14.4

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.84 AU - 4.92 AU

Year: 6113 Days

Day: 10.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,359,294 km

• M1: 187,745 km (0.103 R)
• M2: 643,271 km (0.114 R)
• M3: 1,543,850 km (0.073 R)
• M4: 2,051,286 km (0.068 R)
• M5: 3,802,030 km (0.028 R)
• M6: 6,368,980 km (0.085 R)
• M7: 7,449,226 km (0.1 R)
• M8: 8,260,346 km (0.104 R)
• M9: 11,667,288 km (0.059 R)
• M10: 13,440,920 km (0.096 R)
• M11: 15,214,403 km (0.119 R)
• M12: 17,581,191 km (0.093 R)
• M13: 21,178,271 km (0.076 R)
• M14: 22,579,405 km (0.112 R)
• M15: 30,525,745 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.3

Radius: 12.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.66 AU - 5.76 AU

Year: 7930 Days

Day: 12.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,359,294 km

• M1: 160,668 km (0.087 R)
• M2: 596,896 km (0.085 R)
• M3: 1,232,836 km (0.089 R)
• M4: 1,663,229 km (0.117 R)
• M5: 2,151,965 km (0.081 R)
• M6: 2,805,858 km (0.092 R)
• M7: 3,844,815 km (0.083 R)
• M8: 4,321,882 km (0.117 R)
• M9: 5,205,408 km (0.109 R)
• M10: 6,115,561 km (0.063 R)
• M11: 6,800,719 km (0.027 R)
• M12: 7,852,841 km (0.054 R)
• M13: 8,932,489 km (0.118 R)
• M14: 12,182,802 km (0.063 R)
• M15: 13,940,726 km (0.05 R)
• M16: 14,743,917 km (0.088 R)
• M17: 16,678,367 km (0.074 R)
• M18: 17,217,518 km (0.115 R)
• M19: 20,976,613 km (0.101 R)
• M20: 22,102,786 km (0.07 R)
• M21: 24,094,083 km (0.109 R)
• M22: 25,407,702 km (0.077 R)
• M23: 27,425,478 km (0.102 R)
• M24: 28,431,075 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.8

Radius: 7.7

Gravity: 12.14 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 7.32 AU - 10.24 AU

Year: 17349 Days

Day: 18 Hours

Environment

Temp: -231 °C

Axial Tilt: 82.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 70,359,294 km

• M1: 103,522 km (0.096 R)
• M2: 874,998 km (0.105 R)
• M3: 1,705,266 km (0.096 R)
• M4: 2,168,720 km (0.075 R)
• M5: 2,419,746 km (0.066 R)
• M6: 2,690,368 km (0.11 R)
• M7: 3,860,672 km (0.117 R)
• M8: 4,360,628 km (0.03 R)
• M9: 4,694,531 km (0.06 R)
• M10: 5,264,349 km (0.096 R)
• M11: 6,081,153 km (0.055 R)
• M12: 6,979,638 km (0.088 R)
• M13: 9,252,778 km (0.09 R)
• M14: 9,693,044 km (0.049 R)
• M15: 12,836,096 km (0.036 R)
• M16: 14,599,855 km (0.099 R)
• M17: 15,578,225 km (0.088 R)
• M18: 16,201,599 km (0.118 R)
• M19: 16,599,679 km (0.05 R)
• M20: 17,415,137 km (0.037 R)
• M21: 17,832,814 km (0.028 R)
• M22: 19,750,360 km (0.087 R)
• M23: 22,091,566 km (0.082 R)
• M24: 25,031,913 km (0.037 R)
• M25: 26,103,482 km (0.077 R)
• M26: 33,439,462 km (0.119 R)
• M27: 35,801,613 km (0.117 R)
• M28: 37,992,623 km (0.09 R)
• M29: 45,099,868 km (0.077 R)
• M30: 55,706,058 km (0.114 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 11,050 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit