🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.01 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.3

Radius: 8.3

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.77 AU - 2.27 AU

Year: 1825 Days

Day: 14.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,413,620 km

• M1: 105,616 km (0.074 R)
• M2: 395,537 km (0.087 R)
• M3: 675,135 km (0.057 R)
• M4: 973,882 km (0.068 R)
• M5: 1,280,558 km (0.041 R)
• M6: 1,628,223 km (0.087 R)
• M7: 2,702,336 km (0.119 R)
• M8: 3,653,030 km (0.065 R)
• M9: 4,054,551 km (0.055 R)
• M10: 4,406,256 km (0.04 R)
• M11: 4,997,466 km (0.077 R)
• M12: 5,438,331 km (0.083 R)
• M13: 6,357,610 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.7

Radius: 9.4

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.91 AU - 2.39 AU

Year: 2004 Days

Day: 10.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,413,620 km

• M1: 116,836 km (0.079 R)
• M2: 701,764 km (0.107 R)
• M3: 1,016,966 km (0.092 R)
• M4: 1,776,924 km (0.053 R)
• M5: 2,135,958 km (0.068 R)
• M6: 2,854,028 km (0.096 R)
• M7: 3,263,478 km (0.066 R)
• M8: 3,579,578 km (0.112 R)
• M9: 5,005,994 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.1

Radius: 11.3

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.12 AU - 3.32 AU

Year: 2852 Days

Day: 12.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,413,620 km

• M1: 156,180 km (0.077 R)
• M2: 752,477 km (0.084 R)
• M3: 1,489,995 km (0.062 R)
• M4: 1,940,434 km (0.115 R)
• M5: 2,437,398 km (0.11 R)
• M6: 3,138,264 km (0.084 R)
• M7: 3,612,639 km (0.087 R)
• M8: 4,370,352 km (0.027 R)
• M9: 4,845,774 km (0.096 R)
• M10: 5,767,746 km (0.053 R)
• M11: 6,369,279 km (0.055 R)
• M12: 10,179,686 km (0.071 R)
• M13: 12,075,540 km (0.099 R)
• M14: 13,573,314 km (0.066 R)
• M15: 14,002,510 km (0.102 R)
• M16: 15,915,568 km (0.085 R)
• M17: 16,392,935 km (0.07 R)
• M18: 17,544,240 km (0.084 R)
• M19: 18,111,216 km (0.099 R)
• M20: 20,689,086 km (0.111 R)
• M21: 21,321,885 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.3

Radius: 10.8

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.35 AU - 3.31 AU

Year: 3027 Days

Day: 7.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,413,620 km

• M1: 134,638 km (0.119 R)
• M2: 485,146 km (0.112 R)
• M3: 978,819 km (0.07 R)
• M4: 1,634,058 km (0.1 R)
• M5: 1,988,305 km (0.118 R)
• M6: 2,394,314 km (0.101 R)
• M7: 2,772,049 km (0.081 R)
• M8: 3,337,977 km (0.037 R)
• M9: 3,895,080 km (0.118 R)
• M10: 5,616,203 km (0.038 R)
• M11: 5,974,191 km (0.09 R)
• M12: 6,524,861 km (0.104 R)
• M13: 8,137,376 km (0.119 R)
• M14: 9,568,130 km (0.11 R)
• M15: 10,363,841 km (0.075 R)
• M16: 11,074,431 km (0.105 R)
• M17: 12,453,424 km (0.074 R)
• M18: 13,112,403 km (0.025 R)
• M19: 14,809,591 km (0.102 R)
• M20: 16,037,939 km (0.106 R)
• M21: 16,761,544 km (0.102 R)
• M22: 17,390,603 km (0.096 R)
• M23: 18,333,817 km (0.071 R)
• M24: 18,940,437 km (0.098 R)
• M25: 21,972,486 km (0.031 R)
• M26: 22,312,971 km (0.112 R)
• M27: 23,355,668 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.8

Radius: 13

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.52 AU - 4 AU

Year: 3742 Days

Day: 9.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,413,620 km

• M1: 215,720 km (0.084 R)
• M2: 681,867 km (0.066 R)
• M3: 1,252,733 km (0.07 R)
• M4: 1,704,369 km (0.096 R)
• M5: 2,442,634 km (0.047 R)
• M6: 3,046,710 km (0.094 R)
• M7: 4,159,569 km (0.117 R)
• M8: 4,643,817 km (0.112 R)
• M9: 5,213,037 km (0.076 R)
• M10: 6,602,502 km (0.042 R)
• M11: 9,305,885 km (0.057 R)
• M12: 10,288,743 km (0.107 R)
• M13: 10,864,097 km (0.051 R)
• M14: 11,995,356 km (0.104 R)
• M15: 12,763,242 km (0.084 R)
• M16: 13,929,806 km (0.103 R)
• M17: 14,397,149 km (0.074 R)
• M18: 15,412,321 km (0.114 R)
• M19: 16,320,081 km (0.094 R)
• M20: 17,748,142 km (0.081 R)
• M21: 18,353,265 km (0.03 R)
• M22: 18,802,059 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 548.3

Radius: 7.4

Gravity: 10.01 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 6.91 AU - 8.11 AU

Year: 13086 Days

Day: 19.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,413,620 km

• M1: 97,538 km (0.102 R)
• M2: 570,267 km (0.092 R)
• M3: 826,827 km (0.085 R)
• M4: 1,161,627 km (0.103 R)
• M5: 1,415,345 km (0.073 R)
• M6: 2,090,331 km (0.091 R)
• M7: 3,220,693 km (0.079 R)
• M8: 8,050,011 km (0.066 R)
• M9: 9,729,696 km (0.117 R)
• M10: 10,516,431 km (0.07 R)
• M11: 14,090,923 km (0.102 R)
• M12: 16,584,570 km (0.092 R)
• M13: 17,326,126 km (0.069 R)
• M14: 17,781,652 km (0.107 R)
• M15: 20,939,513 km (0.104 R)
• M16: 22,876,207 km (0.057 R)
• M17: 23,424,483 km (0.075 R)
• M18: 24,169,182 km (0.051 R)
• M19: 26,099,593 km (0.095 R)
• M20: 28,443,941 km (0.106 R)
• M21: 37,436,418 km (0.114 R)
• M22: 39,619,949 km (0.108 R)
• M23: 44,380,303 km (0.109 R)
• M24: 46,824,283 km (0.05 R)
• M25: 48,752,600 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 249

Radius: 6.7

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 7.67 AU - 8.63 AU

Year: 14793 Days

Day: 19.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 44,413,620 km

• M1: 83,326 km (0.12 R)
• M2: 688,449 km (0.11 R)
• M3: 965,654 km (0.11 R)
• M4: 1,935,497 km (0.109 R)
• M5: 2,168,870 km (0.102 R)
• M6: 2,402,392 km (0.113 R)
• M7: 2,753,648 km (0.077 R)
• M8: 3,414,871 km (0.092 R)
• M9: 3,963,446 km (0.089 R)
• M10: 4,204,299 km (0.098 R)
• M11: 4,864,324 km (0.094 R)
• M12: 5,330,771 km (0.084 R)
• M13: 6,352,524 km (0.082 R)
• M14: 6,720,535 km (0.069 R)
• M15: 7,141,653 km (0.116 R)
• M16: 8,467,090 km (0.055 R)
• M17: 11,115,271 km (0.081 R)
• M18: 11,380,508 km (0.117 R)
• M19: 11,758,841 km (0.055 R)
• M20: 13,416,236 km (0.038 R)
• M21: 15,419,352 km (0.046 R)
• M22: 19,466,573 km (0.09 R)
• M23: 22,525,999 km (0.083 R)
• M24: 22,865,586 km (0.089 R)
• M25: 26,546,142 km (0.068 R)
• M26: 29,274,957 km (0.077 R)
• M27: 30,190,346 km (0.11 R)
• M28: 31,124,585 km (0.096 R)
• M29: 32,724,385 km (0.072 R)
• M30: 34,154,540 km (0.057 R)
• M31: 42,319,592 km (0.077 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 13,373 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit