🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.3

Radius: 9.6

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.71 AU - 0.99 AU

Year: 506 Days

Day: 6 Hours

Environment

Temp: -152 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,352,209 km

• M1: 119,529 km (0.088 R)
• M2: 492,476 km (0.087 R)
• M3: 873,951 km (0.096 R)
• M4: 1,179,878 km (0.091 R)
• M5: 1,593,217 km (0.065 R)
• M6: 2,011,343 km (0.036 R)
• M7: 2,372,173 km (0.119 R)
• M8: 2,685,880 km (0.105 R)
• M9: 3,698,807 km (0.08 R)
• M10: 4,409,996 km (0.062 R)
• M11: 4,963,358 km (0.066 R)
• M12: 5,384,177 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.1

Radius: 14

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.7 AU - 1.1 AU

Year: 551 Days

Day: 10.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,352,209 km

• M1: 194,776 km (0.113 R)
• M2: 759,359 km (0.105 R)
• M3: 1,303,446 km (0.108 R)
• M4: 1,923,380 km (0.09 R)
• M5: 3,600,372 km (0.049 R)
• M6: 4,054,850 km (0.085 R)
• M7: 6,330,383 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.5

Radius: 13.9

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.95 AU - 1.09 AU

Year: 665 Days

Day: 14.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,352,209 km

• M1: 172,935 km (0.093 R)
• M2: 992,133 km (0.117 R)
• M3: 1,587,233 km (0.095 R)
• M4: 2,148,375 km (0.104 R)
• M5: 2,676,605 km (0.027 R)
• M6: 3,468,875 km (0.092 R)
• M7: 4,321,882 km (0.089 R)
• M8: 4,855,648 km (0.04 R)
• M9: 5,380,587 km (0.115 R)
• M10: 7,017,636 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.7

Radius: 8.2

Gravity: 9.99 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.29 AU - 1.77 AU

Year: 1222 Days

Day: 12.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 76.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,352,209 km

• M1: 102,026 km (0.102 R)
• M2: 379,679 km (0.114 R)
• M3: 639,830 km (0.054 R)
• M4: 1,599,052 km (0.084 R)
• M5: 1,872,068 km (0.095 R)
• M6: 2,335,073 km (0.081 R)
• M7: 2,926,434 km (0.036 R)
• M8: 3,887,600 km (0.035 R)
• M9: 4,175,127 km (0.082 R)
• M10: 5,005,994 km (0.103 R)
• M11: 5,660,933 km (0.082 R)
• M12: 6,748,659 km (0.107 R)
• M13: 7,115,623 km (0.1 R)
• M14: 9,094,803 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460

Radius: 10.2

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.62 AU - 2.02 AU

Year: 1585 Days

Day: 9.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,352,209 km

• M1: 130,001 km (0.078 R)
• M2: 455,376 km (0.037 R)
• M3: 893,997 km (0.076 R)
• M4: 1,250,489 km (0.11 R)
• M5: 1,657,096 km (0.108 R)
• M6: 2,333,278 km (0.075 R)
• M7: 3,111,935 km (0.113 R)
• M8: 3,786,621 km (0.078 R)
• M9: 4,556,153 km (0.088 R)
• M10: 5,384,626 km (0.092 R)
• M11: 5,879,196 km (0.087 R)
• M12: 6,498,232 km (0.032 R)
• M13: 6,885,392 km (0.086 R)
• M14: 7,599,721 km (0.03 R)
• M15: 8,792,166 km (0.078 R)
• M16: 9,695,288 km (0.108 R)
• M17: 11,027,757 km (0.093 R)
• M18: 11,440,048 km (0.095 R)
• M19: 12,222,445 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.9

Radius: 14.3

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.76 AU - 2.64 AU

Year: 2107 Days

Day: 9.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,352,209 km

• M1: 179,218 km (0.101 R)
• M2: 640,129 km (0.084 R)
• M3: 1,087,726 km (0.105 R)
• M4: 1,585,438 km (0.071 R)
• M5: 2,121,298 km (0.118 R)
• M6: 3,095,928 km (0.111 R)
• M7: 3,552,650 km (0.031 R)
• M8: 4,238,706 km (0.07 R)
• M9: 4,703,806 km (0.104 R)
• M10: 5,289,781 km (0.118 R)
• M11: 6,711,409 km (0.083 R)
• M12: 8,585,422 km (0.106 R)
• M13: 9,207,300 km (0.114 R)
• M14: 11,328,000 km (0.076 R)
• M15: 11,962,594 km (0.092 R)
• M16: 13,180,769 km (0.116 R)
• M17: 14,136,849 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.9

Radius: 14.4

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.43 AU - 3.39 AU

Year: 3205 Days

Day: 5.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 103.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,352,209 km

• M1: 180,864 km (0.116 R)
• M2: 700,866 km (0.087 R)
• M3: 1,227,451 km (0.108 R)
• M4: 1,783,805 km (0.104 R)
• M5: 2,874,673 km (0.104 R)
• M6: 5,194,337 km (0.09 R)
• M7: 5,773,281 km (0.075 R)
• M8: 8,072,301 km (0.1 R)
• M9: 8,565,525 km (0.106 R)
• M10: 10,026,797 km (0.049 R)
• M11: 10,928,124 km (0.032 R)
• M12: 12,644,910 km (0.101 R)
• M13: 13,914,547 km (0.071 R)
• M14: 15,880,562 km (0.042 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550

Radius: 8.9

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.92 AU - 4.4 AU

Year: 4521 Days

Day: 12.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,352,209 km

• M1: 110,702 km (0.117 R)
• M2: 420,370 km (0.073 R)
• M3: 911,949 km (0.073 R)
• M4: 1,250,489 km (0.06 R)
• M5: 1,911,711 km (0.105 R)
• M6: 2,202,978 km (0.099 R)
• M7: 2,858,666 km (0.091 R)
• M8: 3,806,368 km (0.105 R)
• M9: 5,001,356 km (0.097 R)
• M10: 6,552,088 km (0.089 R)
• M11: 6,929,074 km (0.101 R)
• M12: 8,436,722 km (0.08 R)
• M13: 10,657,352 km (0.09 R)
• M14: 11,047,354 km (0.113 R)
• M15: 11,402,051 km (0.084 R)
• M16: 12,416,773 km (0.066 R)
• M17: 14,361,695 km (0.105 R)
• M18: 17,557,404 km (0.113 R)
• M19: 17,858,545 km (0.117 R)
• M20: 20,195,413 km (0.117 R)
• M21: 21,608,664 km (0.07 R)
• M22: 25,008,725 km (0.111 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292

Radius: 9.5

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.22 AU - 6.58 AU

Year: 8102 Days

Day: 12.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,352,209 km

• M1: 223,499 km (0.074 R)
• M2: 523,443 km (0.112 R)
• M3: 969,993 km (0.112 R)
• M4: 1,831,976 km (0.027 R)
• M5: 2,132,218 km (0.045 R)
• M6: 4,022,388 km (0.12 R)
• M7: 4,359,581 km (0.109 R)
• M8: 10,785,558 km (0.079 R)
• M9: 11,582,914 km (0.093 R)
• M10: 12,877,834 km (0.111 R)
• M11: 13,400,678 km (0.108 R)
• M12: 14,940,339 km (0.116 R)
• M13: 15,285,013 km (0.047 R)
• M14: 17,402,720 km (0.097 R)
• M15: 18,171,803 km (0.083 R)
• M16: 18,829,734 km (0.084 R)
• M17: 27,237,135 km (0.058 R)
• M18: 29,067,764 km (0.107 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 16,807 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit