🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.3

Radius: 14

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.63 AU - 2.01 AU

Year: 1611 Days

Day: 11.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,625,629 km

• M1: 174,132 km (0.107 R)
• M2: 679,623 km (0.11 R)
• M3: 1,343,538 km (0.072 R)
• M4: 2,129,974 km (0.108 R)
• M5: 2,870,783 km (0.097 R)
• M6: 3,885,206 km (0.084 R)
• M7: 5,870,370 km (0.101 R)
• M8: 6,729,959 km (0.112 R)
• M9: 7,404,496 km (0.067 R)
• M10: 8,047,169 km (0.093 R)
• M11: 8,834,801 km (0.105 R)
• M12: 9,876,451 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.5

Radius: 11.4

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.15 AU - 5.23 AU

Year: 6663 Days

Day: 14.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,625,629 km

• M1: 141,819 km (0.097 R)
• M2: 575,653 km (0.06 R)
• M3: 1,517,222 km (0.084 R)
• M4: 1,880,894 km (0.112 R)
• M5: 4,119,477 km (0.084 R)
• M6: 5,336,006 km (0.104 R)
• M7: 5,801,405 km (0.05 R)
• M8: 6,707,520 km (0.082 R)
• M9: 7,139,558 km (0.099 R)
• M10: 7,705,637 km (0.1 R)
• M11: 8,800,095 km (0.102 R)
• M12: 11,145,789 km (0.069 R)
• M13: 11,650,533 km (0.098 R)
• M14: 12,223,343 km (0.105 R)
• M15: 13,708,999 km (0.067 R)
• M16: 14,171,406 km (0.09 R)
• M17: 15,188,821 km (0.109 R)
• M18: 15,935,913 km (0.12 R)
• M19: 18,394,105 km (0.099 R)
• M20: 22,981,973 km (0.109 R)
• M21: 23,966,626 km (0.099 R)
• M22: 24,979,104 km (0.103 R)
• M23: 29,794,510 km (0.109 R)
• M24: 32,064,508 km (0.056 R)
• M25: 34,130,006 km (0.076 R)
• M26: 37,504,785 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750

Radius: 12.3

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.88 AU - 4.94 AU

Year: 7137 Days

Day: 6.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,625,629 km

• M1: 178,919 km (0.085 R)
• M2: 577,149 km (0.087 R)
• M3: 1,956,291 km (0.084 R)
• M4: 2,556,777 km (0.117 R)
• M5: 3,191,371 km (0.08 R)
• M6: 4,720,561 km (0.095 R)
• M7: 5,459,125 km (0.076 R)
• M8: 8,143,210 km (0.075 R)
• M9: 10,650,321 km (0.066 R)
• M10: 11,046,456 km (0.078 R)
• M11: 12,186,841 km (0.047 R)
• M12: 12,620,376 km (0.101 R)
• M13: 15,254,794 km (0.049 R)
• M14: 16,339,079 km (0.109 R)
• M15: 21,982,210 km (0.113 R)
• M16: 23,950,769 km (0.097 R)
• M17: 25,678,624 km (0.092 R)
• M18: 27,767,010 km (0.055 R)
• M19: 29,478,560 km (0.113 R)
• M20: 30,757,621 km (0.095 R)
• M21: 31,868,535 km (0.058 R)
• M22: 38,869,267 km (0.097 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 215.7

Radius: 6.2

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 6.28 AU - 10.16 AU

Year: 15460 Days

Day: 22.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,625,629 km

• M1: 77,043 km (0.073 R)
• M2: 425,307 km (0.112 R)
• M3: 1,991,596 km (0.08 R)
• M4: 2,718,941 km (0.053 R)
• M5: 2,925,835 km (0.054 R)
• M6: 3,301,775 km (0.11 R)
• M7: 4,258,603 km (0.107 R)
• M8: 4,453,229 km (0.118 R)
• M9: 4,800,895 km (0.115 R)
• M10: 5,485,006 km (0.038 R)
• M11: 5,918,840 km (0.078 R)
• M12: 7,761,586 km (0.093 R)
• M13: 13,944,317 km (0.052 R)
• M14: 17,078,392 km (0.067 R)
• M15: 19,334,328 km (0.1 R)
• M16: 22,194,639 km (0.07 R)
• M17: 26,806,293 km (0.095 R)
• M18: 27,664,386 km (0.093 R)
• M19: 27,954,457 km (0.111 R)
• M20: 29,535,706 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.6

Radius: 3.2

Gravity: 12.66 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 7.46 AU - 11.14 AU

Year: 18605 Days

Day: 20.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 41,625,629 km

• M1: 41,139 km (0.089 R)
• M2: 144,362 km (0.12 R)
• M3: 247,734 km (0.076 R)
• M4: 357,689 km (0.081 R)
• M5: 1,534,276 km (0.078 R)
• M6: 1,980,077 km (0.075 R)
• M7: 2,163,335 km (0.061 R)
• M8: 4,412,688 km (0.099 R)
• M9: 5,114,302 km (0.079 R)
• M10: 5,363,832 km (0.038 R)
• M11: 7,187,579 km (0.103 R)
• M12: 7,500,538 km (0.038 R)
• M13: 8,624,168 km (0.109 R)
• M14: 9,618,993 km (0.081 R)
• M15: 9,998,972 km (0.115 R)
• M16: 10,290,389 km (0.056 R)
• M17: 11,513,052 km (0.09 R)
• M18: 13,115,694 km (0.082 R)
• M19: 13,582,739 km (0.12 R)
• M20: 16,484,788 km (0.096 R)
• M21: 19,322,510 km (0.116 R)
• M22: 19,698,599 km (0.096 R)
• M23: 20,543,228 km (0.096 R)
• M24: 20,699,409 km (0.066 R)
• M25: 20,856,187 km (0.094 R)
• M26: 21,172,437 km (0.104 R)
• M27: 21,491,828 km (0.097 R)
• M28: 22,469,301 km (0.111 R)
• M29: 23,137,106 km (0.096 R)
• M30: 24,250,413 km (0.114 R)
• M31: 26,123,379 km (0.034 R)
• M32: 27,141,841 km (0.06 R)
• M33: 30,558,357 km (0.094 R)
• M34: 35,920,094 km (0.09 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 16,976 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit