🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.2

Radius: 10.6

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.84 AU - 0.94 AU

Year: 560 Days

Day: 13.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,104,919 km

• M1: 131,796 km (0.059 R)
• M2: 481,107 km (0.04 R)
• M3: 1,032,375 km (0.088 R)
• M4: 1,385,575 km (0.095 R)
• M5: 1,812,827 km (0.112 R)
• M6: 2,222,576 km (0.091 R)
• M7: 2,892,176 km (0.11 R)
• M8: 3,908,992 km (0.091 R)
• M9: 4,370,951 km (0.119 R)
• M10: 5,049,078 km (0.081 R)
• M11: 5,723,465 km (0.103 R)
• M12: 6,205,768 km (0.089 R)
• M13: 6,614,769 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.9

Radius: 13

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.82 AU - 1 AU

Year: 579 Days

Day: 13.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,104,919 km

• M1: 162,613 km (0.07 R)
• M2: 606,171 km (0.077 R)
• M3: 1,100,741 km (0.028 R)
• M4: 1,579,155 km (0.113 R)
• M5: 2,596,271 km (0.105 R)
• M6: 3,008,712 km (0.119 R)
• M7: 3,465,285 km (0.118 R)
• M8: 4,275,058 km (0.109 R)
• M9: 4,954,083 km (0.12 R)
• M10: 6,568,543 km (0.077 R)
• M11: 7,128,189 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.2

Radius: 12

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.95 AU - 1.27 AU

Year: 780 Days

Day: 14.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,104,919 km

• M1: 149,299 km (0.039 R)
• M2: 616,493 km (0.048 R)
• M3: 1,184,366 km (0.055 R)
• M4: 1,671,457 km (0.099 R)
• M5: 2,069,238 km (0.05 R)
• M6: 2,486,017 km (0.102 R)
• M7: 2,859,862 km (0.073 R)
• M8: 3,353,236 km (0.106 R)
• M9: 3,964,344 km (0.099 R)
• M10: 4,362,573 km (0.029 R)
• M11: 5,821,152 km (0.102 R)
• M12: 6,487,760 km (0.107 R)
• M13: 9,284,044 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694

Radius: 9.6

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.95 AU - 1.41 AU

Year: 855 Days

Day: 12.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,104,919 km

• M1: 119,379 km (0.091 R)
• M2: 427,252 km (0.117 R)
• M3: 837,449 km (0.061 R)
• M4: 1,210,995 km (0.116 R)
• M5: 1,563,447 km (0.118 R)
• M6: 2,032,736 km (0.08 R)
• M7: 2,514,291 km (0.088 R)
• M8: 3,533,053 km (0.054 R)
• M9: 5,843,143 km (0.117 R)
• M10: 7,300,675 km (0.055 R)
• M11: 8,001,392 km (0.072 R)
• M12: 8,381,071 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.2

Radius: 13.2

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.18 AU - 1.38 AU

Year: 966 Days

Day: 13.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,104,919 km

• M1: 164,109 km (0.103 R)
• M2: 676,033 km (0.098 R)
• M3: 1,212,940 km (0.099 R)
• M4: 1,878,201 km (0.061 R)
• M5: 2,396,259 km (0.038 R)
• M6: 3,047,159 km (0.063 R)
• M7: 4,404,311 km (0.118 R)
• M8: 4,895,740 km (0.038 R)
• M9: 5,518,516 km (0.037 R)
• M10: 6,487,312 km (0.115 R)
• M11: 7,240,088 km (0.108 R)
• M12: 8,554,605 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.4

Radius: 14.3

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.1 AU - 1.56 AU

Year: 1023 Days

Day: 9.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,104,919 km

• M1: 177,872 km (0.075 R)
• M2: 732,132 km (0.108 R)
• M3: 1,284,148 km (0.053 R)
• M4: 1,867,131 km (0.089 R)
• M5: 2,340,758 km (0.107 R)
• M6: 2,819,022 km (0.065 R)
• M7: 4,625,865 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.8

Radius: 13.9

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.61 AU - 2.45 AU

Year: 1929 Days

Day: 5.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,104,919 km

• M1: 179,069 km (0.064 R)
• M2: 644,168 km (0.098 R)
• M3: 1,154,896 km (0.118 R)
• M4: 1,883,587 km (0.096 R)
• M5: 2,496,489 km (0.101 R)
• M6: 3,811,006 km (0.119 R)
• M7: 4,465,796 km (0.081 R)
• M8: 5,015,119 km (0.092 R)
• M9: 7,706,834 km (0.078 R)
• M10: 8,165,800 km (0.117 R)
• M11: 9,808,684 km (0.103 R)
• M12: 11,246,918 km (0.08 R)
• M13: 11,874,331 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.4

Radius: 14.3

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.04 AU - 2.58 AU

Year: 2341 Days

Day: 12 Hours

Environment

Temp: -206 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,104,919 km

• M1: 178,171 km (0.101 R)
• M2: 683,513 km (0.06 R)
• M3: 1,224,309 km (0.051 R)
• M4: 2,157,949 km (0.091 R)
• M5: 2,680,644 km (0.107 R)
• M6: 4,316,048 km (0.079 R)
• M7: 4,763,196 km (0.081 R)
• M8: 6,222,673 km (0.068 R)
• M9: 6,796,082 km (0.075 R)
• M10: 7,680,355 km (0.115 R)
• M11: 8,165,201 km (0.091 R)
• M12: 8,915,435 km (0.041 R)
• M13: 9,942,424 km (0.1 R)
• M14: 11,011,151 km (0.109 R)
• M15: 11,703,191 km (0.093 R)
• M16: 12,657,775 km (0.105 R)
• M17: 14,292,581 km (0.094 R)

Asteroid Belt

Center: 4.2 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.9

Radius: 7.9

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.74 AU - 7.42 AU

Year: 9997 Days

Day: 21.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,104,919 km

• M1: 104,270 km (0.108 R)
• M2: 647,460 km (0.104 R)
• M3: 1,089,970 km (0.076 R)
• M4: 1,439,880 km (0.111 R)
• M5: 1,966,763 km (0.053 R)
• M6: 3,648,842 km (0.118 R)
• M7: 4,030,765 km (0.116 R)
• M8: 4,931,045 km (0.086 R)
• M9: 5,219,769 km (0.067 R)
• M10: 5,550,380 km (0.106 R)
• M11: 6,056,171 km (0.095 R)
• M12: 6,661,743 km (0.092 R)
• M13: 7,493,208 km (0.096 R)
• M14: 8,473,672 km (0.038 R)
• M15: 12,133,734 km (0.087 R)
• M16: 15,410,376 km (0.104 R)
• M17: 19,162,889 km (0.095 R)
• M18: 20,096,828 km (0.118 R)
• M19: 28,136,218 km (0.062 R)
• M20: 31,855,221 km (0.078 R)
• M21: 32,454,959 km (0.049 R)
• M22: 33,677,173 km (0.045 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 200 - 18,647 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit