🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.6

Radius: 13.7

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.43 AU - 0.61 AU

Year: 259 Days

Day: 11.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,769,613 km

• M1: 170,841 km (0.104 R)
• M2: 636,240 km (0.068 R)
• M3: 1,163,871 km (0.037 R)
• M4: 1,817,315 km (0.061 R)
• M5: 2,889,034 km (0.105 R)
• M6: 3,502,086 km (0.102 R)
• M7: 3,977,359 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616

Radius: 11.2

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.45 AU - 0.73 AU

Year: 313 Days

Day: 11.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 88.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,769,613 km

• M1: 139,276 km (0.075 R)
• M2: 531,820 km (0.06 R)
• M3: 880,383 km (0.115 R)
• M4: 1,419,833 km (0.105 R)
• M5: 1,787,844 km (0.043 R)
• M6: 2,436,949 km (0.113 R)
• M7: 2,817,078 km (0.115 R)
• M8: 3,195,261 km (0.096 R)
• M9: 3,551,304 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.5

Radius: 12.6

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.09 AU - 1.49 AU

Year: 1011 Days

Day: 6.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,769,613 km

• M1: 156,629 km (0.056 R)
• M2: 559,047 km (0.037 R)
• M3: 952,639 km (0.069 R)
• M4: 1,462,469 km (0.111 R)
• M5: 1,911,113 km (0.115 R)
• M6: 2,475,546 km (0.103 R)
• M7: 3,799,337 km (0.067 R)
• M8: 4,865,372 km (0.042 R)
• M9: 6,546,852 km (0.051 R)
• M10: 7,136,716 km (0.049 R)
• M11: 8,642,568 km (0.107 R)
• M12: 9,648,464 km (0.111 R)
• M13: 10,164,427 km (0.119 R)
• M14: 10,603,048 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.9

Radius: 11.8

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.12 AU - 1.74 AU

Year: 1180 Days

Day: 6.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 34,769,613 km

• M1: 146,756 km (0.1 R)
• M2: 1,141,881 km (0.075 R)
• M3: 1,740,571 km (0.077 R)
• M4: 2,179,940 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.6

Radius: 13.7

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.25 AU - 1.76 AU

Year: 1268 Days

Day: 11.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,769,613 km

• M1: 170,392 km (0.104 R)
• M2: 626,366 km (0.066 R)
• M3: 1,244,654 km (0.119 R)
• M4: 2,374,567 km (0.069 R)
• M5: 3,143,799 km (0.105 R)
• M6: 3,818,186 km (0.09 R)
• M7: 4,277,452 km (0.06 R)
• M8: 4,722,356 km (0.108 R)
• M9: 5,308,480 km (0.084 R)
• M10: 5,883,086 km (0.091 R)
• M11: 7,527,166 km (0.06 R)
• M12: 8,204,396 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.3

Radius: 11.9

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.82 AU - 2.88 AU

Year: 2487 Days

Day: 5.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 77.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,769,613 km

• M1: 147,952 km (0.092 R)
• M2: 588,967 km (0.11 R)
• M3: 991,086 km (0.104 R)
• M4: 1,553,424 km (0.051 R)
• M5: 2,012,540 km (0.099 R)
• M6: 2,433,209 km (0.097 R)
• M7: 2,993,453 km (0.101 R)
• M8: 3,657,219 km (0.072 R)
• M9: 4,064,724 km (0.084 R)
• M10: 4,481,055 km (0.074 R)
• M11: 4,925,809 km (0.114 R)
• M12: 7,186,083 km (0.059 R)
• M13: 7,735,108 km (0.094 R)
• M14: 8,951,637 km (0.088 R)
• M15: 9,917,142 km (0.068 R)
• M16: 11,230,013 km (0.081 R)
• M17: 12,438,764 km (0.079 R)
• M18: 13,096,994 km (0.032 R)
• M19: 14,245,756 km (0.081 R)
• M20: 17,545,736 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.5

Radius: 11.5

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.21 AU - 3.57 AU

Year: 3391 Days

Day: 9.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,769,613 km

• M1: 150,495 km (0.078 R)
• M2: 635,342 km (0.045 R)
• M3: 1,031,029 km (0.09 R)
• M4: 1,781,860 km (0.119 R)
• M5: 2,403,589 km (0.099 R)
• M6: 2,852,532 km (0.098 R)
• M7: 3,688,336 km (0.104 R)
• M8: 4,143,263 km (0.118 R)
• M9: 5,287,686 km (0.039 R)
• M10: 6,351,626 km (0.109 R)
• M11: 7,368,443 km (0.114 R)
• M12: 7,772,657 km (0.065 R)
• M13: 8,224,442 km (0.11 R)
• M14: 10,951,312 km (0.095 R)
• M15: 11,314,685 km (0.036 R)
• M16: 12,849,560 km (0.096 R)
• M17: 14,041,555 km (0.062 R)
• M18: 14,519,072 km (0.102 R)
• M19: 15,255,841 km (0.109 R)
• M20: 16,433,625 km (0.061 R)
• M21: 17,451,489 km (0.114 R)
• M22: 18,510,941 km (0.116 R)
• M23: 18,969,608 km (0.109 R)
• M24: 19,494,697 km (0.099 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.7

Radius: 13.2

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.53 AU - 3.39 AU

Year: 3515 Days

Day: 13.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,769,613 km

• M1: 164,258 km (0.118 R)
• M2: 964,308 km (0.106 R)
• M3: 1,593,816 km (0.119 R)
• M4: 2,306,051 km (0.049 R)
• M5: 3,029,806 km (0.03 R)
• M6: 3,998,003 km (0.066 R)
• M7: 4,456,820 km (0.107 R)
• M8: 6,181,833 km (0.089 R)
• M9: 6,704,528 km (0.102 R)
• M10: 7,207,326 km (0.076 R)
• M11: 7,969,527 km (0.106 R)
• M12: 8,982,903 km (0.105 R)
• M13: 9,866,129 km (0.101 R)
• M14: 10,806,352 km (0.073 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.9

Radius: 11.3

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.42 AU - 5.14 AU

Year: 6112 Days

Day: 11.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,769,613 km

• M1: 140,472 km (0.057 R)
• M2: 550,969 km (0.088 R)
• M3: 985,102 km (0.061 R)
• M4: 1,407,716 km (0.094 R)
• M5: 1,981,274 km (0.081 R)
• M6: 3,467,379 km (0.057 R)
• M7: 3,875,333 km (0.119 R)
• M8: 4,264,736 km (0.083 R)
• M9: 6,157,000 km (0.087 R)
• M10: 6,655,460 km (0.071 R)
• M11: 7,037,832 km (0.099 R)
• M12: 7,771,011 km (0.049 R)
• M13: 9,175,885 km (0.119 R)
• M14: 11,125,444 km (0.094 R)
• M15: 11,815,838 km (0.099 R)
• M16: 12,958,317 km (0.068 R)
• M17: 14,344,491 km (0.061 R)
• M18: 17,084,675 km (0.083 R)
• M19: 17,606,024 km (0.109 R)
• M20: 22,243,558 km (0.089 R)
• M21: 23,900,504 km (0.114 R)
• M22: 29,736,915 km (0.105 R)
• M23: 31,453,252 km (0.072 R)
• M24: 34,150,052 km (0.085 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: 502 - 12,235 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit