🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.9

Radius: 14.5

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.66 AU - 0.7 AU

Year: 368 Days

Day: 12.1 Hours

Environment

Temp: -127 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,172,877 km

• M1: 185,950 km (0.105 R)
• M2: 677,678 km (0.109 R)
• M3: 1,430,305 km (0.045 R)
• M4: 2,401,794 km (0.044 R)
• M5: 2,916,261 km (0.038 R)
• M6: 3,717,956 km (0.082 R)
• M7: 4,439,915 km (0.099 R)
• M8: 4,922,668 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.5

Radius: 8.1

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.91 AU - 1.15 AU

Year: 686 Days

Day: 14.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,172,877 km

• M1: 100,829 km (0.081 R)
• M2: 434,133 km (0.115 R)
• M3: 807,081 km (0.031 R)
• M4: 1,092,812 km (0.066 R)
• M5: 1,470,996 km (0.038 R)
• M6: 1,833,472 km (0.072 R)
• M7: 2,484,521 km (0.078 R)
• M8: 2,981,635 km (0.086 R)
• M9: 3,611,592 km (0.106 R)
• M10: 4,275,806 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.5

Radius: 8.3

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.38 AU - 1.9 AU

Year: 1378 Days

Day: 9.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,172,877 km

• M1: 103,372 km (0.067 R)
• M2: 527,183 km (0.095 R)
• M3: 804,238 km (0.117 R)
• M4: 1,175,839 km (0.053 R)
• M5: 1,524,253 km (0.114 R)
• M6: 2,077,017 km (0.081 R)
• M7: 2,386,834 km (0.118 R)
• M8: 2,787,308 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.4

Radius: 8.7

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.69 AU - 1.89 AU

Year: 1571 Days

Day: 10.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,172,877 km

• M1: 109,805 km (0.077 R)
• M2: 460,612 km (0.076 R)
• M3: 872,754 km (0.111 R)
• M4: 1,539,661 km (0.098 R)
• M5: 2,463,279 km (0.039 R)
• M6: 2,833,084 km (0.057 R)
• M7: 3,123,753 km (0.081 R)
• M8: 5,107,720 km (0.033 R)
• M9: 5,864,835 km (0.045 R)
• M10: 6,719,039 km (0.107 R)
• M11: 11,044,811 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.4

Radius: 9.2

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.57 AU - 2.25 AU

Year: 1732 Days

Day: 8.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,172,877 km

• M1: 122,221 km (0.09 R)
• M2: 482,902 km (0.113 R)
• M3: 905,516 km (0.118 R)
• M4: 1,476,082 km (0.118 R)
• M5: 1,978,581 km (0.1 R)
• M6: 2,551,541 km (0.11 R)
• M7: 3,588,703 km (0.095 R)
• M8: 4,100,178 km (0.097 R)
• M9: 5,182,070 km (0.106 R)
• M10: 5,559,206 km (0.101 R)
• M11: 6,074,422 km (0.108 R)
• M12: 8,734,720 km (0.074 R)
• M13: 9,205,954 km (0.083 R)
• M14: 9,727,302 km (0.107 R)
• M15: 11,372,879 km (0.059 R)
• M16: 12,832,954 km (0.119 R)
• M17: 14,156,297 km (0.087 R)
• M18: 14,762,916 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.9

Radius: 12.2

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.82 AU - 2.62 AU

Year: 2170 Days

Day: 7.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,172,877 km

• M1: 163,211 km (0.105 R)
• M2: 651,200 km (0.11 R)
• M3: 1,257,370 km (0.109 R)
• M4: 2,052,932 km (0.059 R)
• M5: 4,344,621 km (0.089 R)
• M6: 5,684,270 km (0.117 R)
• M7: 7,057,429 km (0.119 R)
• M8: 9,063,088 km (0.05 R)
• M9: 10,413,209 km (0.112 R)
• M10: 11,308,253 km (0.066 R)
• M11: 11,696,160 km (0.05 R)
• M12: 14,894,712 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.6

Radius: 12.4

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.58 AU - 4 AU

Year: 3915 Days

Day: 14.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,172,877 km

• M1: 154,535 km (0.081 R)
• M2: 894,446 km (0.098 R)
• M3: 1,750,295 km (0.091 R)
• M4: 2,298,122 km (0.074 R)
• M5: 3,147,390 km (0.086 R)
• M6: 4,217,014 km (0.111 R)
• M7: 5,619,046 km (0.072 R)
• M8: 6,822,411 km (0.119 R)
• M9: 8,779,001 km (0.117 R)
• M10: 10,961,186 km (0.116 R)
• M11: 13,578,550 km (0.03 R)
• M12: 15,160,099 km (0.109 R)
• M13: 16,316,640 km (0.086 R)
• M14: 17,194,031 km (0.053 R)
• M15: 19,102,900 km (0.1 R)
• M16: 21,928,205 km (0.054 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.1

Radius: 9.3

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.69 AU - 4.19 AU

Year: 4185 Days

Day: 10 Hours

Environment

Temp: -215 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,172,877 km

• M1: 115,789 km (0.088 R)
• M2: 446,101 km (0.104 R)
• M3: 825,182 km (0.1 R)
• M4: 1,780,514 km (0.081 R)
• M5: 2,188,318 km (0.11 R)
• M6: 2,759,482 km (0.103 R)
• M7: 4,107,060 km (0.119 R)
• M8: 4,748,685 km (0.092 R)
• M9: 7,928,986 km (0.049 R)
• M10: 10,290,090 km (0.094 R)
• M11: 10,588,088 km (0.111 R)
• M12: 16,348,953 km (0.109 R)
• M13: 16,931,487 km (0.083 R)
• M14: 17,770,133 km (0.095 R)
• M15: 18,952,255 km (0.053 R)
• M16: 22,669,164 km (0.097 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.5

Radius: 10

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.57 AU - 5.33 AU

Year: 6158 Days

Day: 13.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 37,172,877 km

• M1: 125,213 km (0.097 R)
• M2: 452,982 km (0.044 R)
• M3: 1,238,820 km (0.061 R)
• M4: 1,867,281 km (0.104 R)
• M5: 3,070,048 km (0.102 R)
• M6: 3,614,135 km (0.085 R)
• M7: 4,324,874 km (0.049 R)
• M8: 5,214,383 km (0.089 R)
• M9: 6,221,327 km (0.118 R)
• M10: 6,700,638 km (0.113 R)
• M11: 7,465,682 km (0.107 R)
• M12: 7,967,882 km (0.082 R)
• M13: 8,996,816 km (0.085 R)
• M14: 9,432,445 km (0.054 R)
• M15: 11,217,297 km (0.06 R)
• M16: 12,723,449 km (0.099 R)
• M17: 14,068,184 km (0.118 R)
• M18: 16,195,914 km (0.115 R)
• M19: 17,170,395 km (0.068 R)
• M20: 17,503,699 km (0.092 R)
• M21: 18,460,228 km (0.085 R)
• M22: 19,379,207 km (0.099 R)
• M23: 29,637,133 km (0.116 R)
• M24: 31,191,904 km (0.09 R)
• M25: 32,902,556 km (0.078 R)
• M26: 33,520,993 km (0.08 R)
• M27: 35,963,627 km (0.109 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 553 - 16,240 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit