🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.1

Radius: 13.3

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.1 AU - 1.12 AU

Year: 807 Days

Day: 12.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,072,753 km

• M1: 171,439 km (0.113 R)
• M2: 620,233 km (0.097 R)
• M3: 1,178,981 km (0.095 R)
• M4: 1,704,219 km (0.113 R)
• M5: 2,160,792 km (0.115 R)
• M6: 2,647,134 km (0.104 R)
• M7: 3,123,753 km (0.118 R)
• M8: 3,777,047 km (0.119 R)
• M9: 4,550,618 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.7

Radius: 8.5

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.3 AU - 1.44 AU

Year: 1107 Days

Day: 13.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,072,753 km

• M1: 105,766 km (0.1 R)
• M2: 475,721 km (0.104 R)
• M3: 749,485 km (0.035 R)
• M4: 1,115,252 km (0.109 R)
• M5: 1,976,337 km (0.076 R)
• M6: 2,526,708 km (0.063 R)
• M7: 3,389,439 km (0.104 R)
• M8: 6,691,513 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.3

Radius: 10.1

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.44 AU - 1.66 AU

Year: 1332 Days

Day: 9.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,072,753 km

• M1: 126,261 km (0.032 R)
• M2: 483,500 km (0.063 R)
• M3: 1,389,615 km (0.081 R)
• M4: 2,253,094 km (0.094 R)
• M5: 2,580,563 km (0.052 R)
• M6: 3,050,749 km (0.06 R)
• M7: 3,399,911 km (0.11 R)
• M8: 4,026,576 km (0.09 R)
• M9: 4,448,143 km (0.074 R)
• M10: 5,126,719 km (0.114 R)
• M11: 5,718,229 km (0.075 R)
• M12: 6,541,765 km (0.057 R)
• M13: 6,862,204 km (0.093 R)
• M14: 7,305,612 km (0.092 R)
• M15: 8,423,707 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.8

Radius: 8

Gravity: 14.06 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.27 AU - 3.29 AU

Year: 4100 Days

Day: 14.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 73,072,753 km

• M1: 99,483 km (0.098 R)
• M2: 355,594 km (0.085 R)
• M3: 674,088 km (0.115 R)
• M4: 1,435,392 km (0.062 R)
• M5: 1,760,169 km (0.119 R)
• M6: 2,104,094 km (0.062 R)
• M7: 3,021,428 km (0.107 R)
• M8: 3,496,551 km (0.113 R)
• M9: 4,595,796 km (0.065 R)
• M10: 5,646,123 km (0.051 R)
• M11: 6,151,016 km (0.1 R)
• M12: 6,783,067 km (0.106 R)
• M13: 7,883,509 km (0.072 R)
• M14: 8,250,622 km (0.078 R)
• M15: 8,744,893 km (0.06 R)
• M16: 9,709,051 km (0.1 R)
• M17: 10,003,310 km (0.073 R)
• M18: 12,280,639 km (0.102 R)
• M19: 12,824,577 km (0.11 R)
• M20: 13,854,408 km (0.085 R)
• M21: 15,845,556 km (0.066 R)
• M22: 17,458,820 km (0.105 R)
• M23: 18,982,175 km (0.117 R)
• M24: 20,386,151 km (0.025 R)
• M25: 21,786,387 km (0.03 R)
• M26: 23,928,927 km (0.052 R)
• M27: 25,327,368 km (0.065 R)
• M28: 25,645,264 km (0.105 R)
• M29: 27,525,709 km (0.093 R)
• M30: 27,777,632 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.2

Radius: 8.4

Gravity: 9.92 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.26 AU - 4.24 AU

Year: 5013 Days

Day: 6.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 73,072,753 km

• M1: 104,569 km (0.086 R)
• M2: 377,735 km (0.095 R)
• M3: 1,009,038 km (0.071 R)
• M4: 1,509,293 km (0.056 R)
• M5: 2,964,581 km (0.068 R)
• M6: 4,398,626 km (0.102 R)
• M7: 4,859,238 km (0.084 R)
• M8: 5,211,541 km (0.095 R)
• M9: 5,610,070 km (0.095 R)
• M10: 6,500,476 km (0.09 R)
• M11: 7,306,061 km (0.102 R)
• M12: 8,252,267 km (0.107 R)
• M13: 8,833,904 km (0.076 R)
• M14: 9,236,771 km (0.098 R)
• M15: 10,519,273 km (0.087 R)
• M16: 10,834,925 km (0.096 R)
• M17: 12,710,433 km (0.109 R)
• M18: 13,698,228 km (0.046 R)
• M19: 14,792,537 km (0.107 R)
• M20: 15,885,199 km (0.063 R)
• M21: 16,360,921 km (0.098 R)
• M22: 18,554,923 km (0.081 R)
• M23: 20,938,017 km (0.092 R)
• M24: 22,685,470 km (0.081 R)
• M25: 24,527,917 km (0.058 R)
• M26: 27,136,755 km (0.078 R)
• M27: 27,816,826 km (0.064 R)
• M28: 29,655,983 km (0.112 R)
• M29: 30,377,344 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.2

Radius: 10.9

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.94 AU - 5.04 AU

Year: 6567 Days

Day: 13.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,072,753 km

• M1: 167,400 km (0.086 R)
• M2: 549,473 km (0.09 R)
• M3: 1,003,054 km (0.087 R)
• M4: 1,728,454 km (0.093 R)
• M5: 2,214,946 km (0.065 R)
• M6: 2,599,263 km (0.058 R)
• M7: 5,240,264 km (0.093 R)
• M8: 6,012,787 km (0.049 R)
• M9: 12,832,057 km (0.113 R)
• M10: 16,826,619 km (0.115 R)
• M11: 20,349,948 km (0.116 R)
• M12: 22,521,062 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422.7

Radius: 6.3

Gravity: 10.65 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 6.9 AU - 8.34 AU

Year: 14519 Days

Day: 18.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,072,753 km

• M1: 78,539 km (0.077 R)
• M2: 276,756 km (0.066 R)
• M3: 528,529 km (0.099 R)
• M4: 782,696 km (0.084 R)
• M5: 1,339,499 km (0.104 R)
• M6: 2,396,109 km (0.118 R)
• M7: 2,746,318 km (0.036 R)
• M8: 4,589,962 km (0.078 R)
• M9: 9,451,743 km (0.086 R)
• M10: 10,219,629 km (0.073 R)
• M11: 10,699,988 km (0.044 R)
• M12: 12,530,168 km (0.06 R)
• M13: 14,228,852 km (0.046 R)
• M14: 21,078,789 km (0.102 R)
• M15: 25,837,946 km (0.042 R)
• M16: 26,429,456 km (0.114 R)
• M17: 31,155,851 km (0.111 R)
• M18: 31,601,503 km (0.081 R)
• M19: 32,619,517 km (0.051 R)
• M20: 33,078,932 km (0.117 R)
• M21: 36,910,731 km (0.079 R)
• M22: 37,535,003 km (0.101 R)
• M23: 38,804,491 km (0.038 R)
• M24: 41,698,013 km (0.069 R)
• M25: 47,762,561 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.9

Radius: 6.6

Gravity: 21.76 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 8.13 AU - 8.13 AU

Year: 16001 Days

Day: 22.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,072,753 km

• M1: 82,129 km (0.087 R)
• M2: 2,473,900 km (0.063 R)
• M3: 4,649,203 km (0.119 R)
• M4: 6,514,090 km (0.059 R)
• M5: 6,777,831 km (0.096 R)
• M6: 8,564,628 km (0.102 R)
• M7: 10,227,258 km (0.059 R)
• M8: 10,583,750 km (0.025 R)
• M9: 11,196,653 km (0.106 R)
• M10: 17,309,970 km (0.031 R)
• M11: 18,246,452 km (0.12 R)
• M12: 19,942,743 km (0.103 R)
• M13: 22,430,555 km (0.087 R)
• M14: 22,730,200 km (0.042 R)
• M15: 25,876,542 km (0.084 R)
• M16: 30,629,266 km (0.095 R)
• M17: 33,404,756 km (0.094 R)
• M18: 33,665,056 km (0.073 R)
• M19: 55,997,325 km (0.065 R)
• M20: 56,364,887 km (0.067 R)
• M21: 57,290,449 km (0.118 R)
• M22: 62,071,448 km (0.081 R)
• M23: 65,470,162 km (0.107 R)
• M24: 66,082,466 km (0.118 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: 465 - 13,170 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit