🌌 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 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.1

Radius: 9

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.51 AU - 0.51 AU

Year: 243 Days

Day: 6.5 Hours

Environment

Temp: -133 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,436,705 km

• M1: 111,899 km (0.111 R)
• M2: 654,191 km (0.092 R)
• M3: 1,006,345 km (0.065 R)
• M4: 1,293,274 km (0.108 R)
• M5: 1,641,687 km (0.094 R)
• M6: 2,059,813 km (0.101 R)
• M7: 2,340,907 km (0.115 R)
• M8: 3,074,087 km (0.101 R)
• M9: 3,453,616 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.3

Radius: 13.7

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.54 AU - 0.84 AU

Year: 382 Days

Day: 5.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 31,436,705 km

• M1: 170,392 km (0.116 R)
• M2: 639,680 km (0.072 R)
• M3: 1,088,025 km (0.101 R)
• M4: 1,554,621 km (0.072 R)
• M5: 2,205,821 km (0.072 R)
• M6: 2,922,694 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.1

Radius: 12.5

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.9 AU - 1.24 AU

Year: 738 Days

Day: 5.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,436,705 km

• M1: 155,432 km (0.111 R)
• M2: 736,620 km (0.055 R)
• M3: 1,322,744 km (0.116 R)
• M4: 1,756,728 km (0.055 R)
• M5: 2,538,377 km (0.061 R)
• M6: 3,184,041 km (0.1 R)
• M7: 3,741,592 km (0.05 R)
• M8: 4,409,696 km (0.106 R)
• M9: 5,156,040 km (0.062 R)
• M10: 5,947,114 km (0.118 R)
• M11: 6,817,474 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552

Radius: 12.7

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.24 AU - 1.88 AU

Year: 1299 Days

Day: 11.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,436,705 km

• M1: 157,975 km (0.047 R)
• M2: 822,190 km (0.113 R)
• M3: 1,337,106 km (0.072 R)
• M4: 1,753,885 km (0.087 R)
• M5: 2,150,320 km (0.095 R)
• M6: 2,595,373 km (0.071 R)
• M7: 3,006,618 km (0.1 R)
• M8: 3,536,793 km (0.057 R)
• M9: 4,179,765 km (0.07 R)
• M10: 4,880,631 km (0.097 R)
• M11: 5,350,069 km (0.048 R)
• M12: 5,935,744 km (0.025 R)
• M13: 7,360,664 km (0.063 R)
• M14: 8,494,616 km (0.102 R)
• M15: 9,894,403 km (0.034 R)
• M16: 10,361,897 km (0.102 R)
• M17: 10,876,812 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.7

Radius: 14.1

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.52 AU - 2.42 AU

Year: 1844 Days

Day: 9.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 31,436,705 km

• M1: 175,628 km (0.118 R)
• M2: 1,590,375 km (0.09 R)
• M3: 2,299,918 km (0.117 R)
• M4: 2,768,608 km (0.071 R)
• M5: 7,668,237 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.1

Radius: 10.2

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.87 AU - 2.23 AU

Year: 1957 Days

Day: 5 Hours

Environment

Temp: -205 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,436,705 km

• M1: 127,009 km (0.107 R)
• M2: 1,400,236 km (0.035 R)
• M3: 2,068,041 km (0.096 R)
• M4: 2,892,624 km (0.06 R)
• M5: 3,560,579 km (0.062 R)
• M6: 4,926,856 km (0.074 R)
• M7: 6,742,675 km (0.047 R)
• M8: 7,354,231 km (0.086 R)
• M9: 9,029,727 km (0.095 R)
• M10: 10,041,009 km (0.115 R)
• M11: 11,529,358 km (0.066 R)
• M12: 12,600,030 km (0.04 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.3

Radius: 10.6

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.53 AU - 3.65 AU

Year: 3622 Days

Day: 11.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,436,705 km

• M1: 131,945 km (0.082 R)
• M2: 476,619 km (0.119 R)
• M3: 853,157 km (0.105 R)
• M4: 1,212,640 km (0.072 R)
• M5: 1,675,347 km (0.068 R)
• M6: 2,180,389 km (0.112 R)
• M7: 3,222,488 km (0.078 R)
• M8: 3,812,053 km (0.105 R)
• M9: 5,645,375 km (0.114 R)
• M10: 6,168,369 km (0.108 R)
• M11: 6,723,228 km (0.099 R)
• M12: 7,446,533 km (0.112 R)
• M13: 7,792,104 km (0.096 R)
• M14: 8,703,006 km (0.113 R)
• M15: 9,643,079 km (0.092 R)
• M16: 11,088,643 km (0.114 R)
• M17: 12,050,856 km (0.071 R)
• M18: 14,405,078 km (0.081 R)
• M19: 16,462,348 km (0.095 R)
• M20: 16,931,637 km (0.071 R)
• M21: 17,774,471 km (0.097 R)
• M22: 18,206,360 km (0.113 R)
• M23: 20,003,928 km (0.103 R)
• M24: 22,845,390 km (0.073 R)
• M25: 25,709,740 km (0.09 R)

Asteroid Belt

Center: 3.96 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.2

Radius: 10.7

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.98 AU - 5.68 AU

Year: 7079 Days

Day: 14.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,436,705 km

• M1: 133,441 km (0.033 R)
• M2: 508,034 km (0.097 R)
• M3: 956,828 km (0.099 R)
• M4: 1,468,901 km (0.071 R)
• M5: 1,916,798 km (0.102 R)
• M6: 3,194,513 km (0.12 R)
• M7: 3,765,827 km (0.075 R)
• M8: 4,125,610 km (0.107 R)
• M9: 5,739,771 km (0.093 R)
• M10: 6,586,046 km (0.074 R)
• M11: 7,291,999 km (0.066 R)
• M12: 8,244,488 km (0.104 R)
• M13: 10,028,592 km (0.089 R)
• M14: 10,535,430 km (0.072 R)
• M15: 13,888,218 km (0.087 R)
• M16: 15,959,998 km (0.086 R)
• M17: 16,588,010 km (0.118 R)
• M18: 17,363,226 km (0.087 R)
• M19: 18,027,591 km (0.107 R)
• M20: 21,682,416 km (0.05 R)
• M21: 22,609,175 km (0.093 R)
• M22: 26,234,081 km (0.101 R)
• M23: 27,286,203 km (0.058 R)
• M24: 28,366,150 km (0.112 R)
• M25: 30,324,386 km (0.077 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.9

Radius: 14.8

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.01 AU - 5.53 AU

Year: 8068 Days

Day: 12.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,436,705 km

• M1: 184,305 km (0.107 R)
• M2: 746,194 km (0.1 R)
• M3: 1,307,186 km (0.072 R)
• M4: 2,401,644 km (0.068 R)
• M5: 2,864,500 km (0.048 R)
• M6: 3,928,889 km (0.08 R)
• M7: 4,452,930 km (0.077 R)
• M8: 5,050,723 km (0.111 R)
• M9: 8,687,896 km (0.057 R)
• M10: 10,903,740 km (0.07 R)
• M11: 11,946,587 km (0.111 R)
• M12: 14,341,050 km (0.05 R)
• M13: 17,227,392 km (0.029 R)
• M14: 20,481,444 km (0.114 R)
• M15: 23,425,979 km (0.056 R)
• M16: 24,758,896 km (0.103 R)
• M17: 25,894,195 km (0.119 R)
• M18: 29,508,778 km (0.068 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 12,869 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit