🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677

Radius: 13.5

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.93 AU - 1.53 AU

Year: 925 Days

Day: 11.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,009,016 km

• M1: 167,998 km (0.043 R)
• M2: 654,191 km (0.081 R)
• M3: 1,311,076 km (0.115 R)
• M4: 2,129,376 km (0.064 R)
• M5: 3,133,178 km (0.094 R)
• M6: 3,720,948 km (0.092 R)
• M7: 5,656,595 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.5

Radius: 9.9

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2 AU - 2.18 AU

Year: 2049 Days

Day: 12.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,009,016 km

• M1: 123,568 km (0.064 R)
• M2: 454,179 km (0.056 R)
• M3: 795,262 km (0.082 R)
• M4: 1,679,685 km (0.115 R)
• M5: 2,379,803 km (0.097 R)
• M6: 3,654,227 km (0.07 R)
• M7: 4,299,293 km (0.076 R)
• M8: 5,235,327 km (0.097 R)
• M9: 6,624,792 km (0.09 R)
• M10: 8,493,270 km (0.11 R)
• M11: 9,061,143 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.6

Radius: 9.9

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2 AU - 3.32 AU

Year: 2942 Days

Day: 8.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,009,016 km

• M1: 129,402 km (0.115 R)
• M2: 1,400,086 km (0.089 R)
• M3: 2,889,782 km (0.067 R)
• M4: 3,293,397 km (0.114 R)
• M5: 3,636,575 km (0.055 R)
• M6: 5,195,085 km (0.086 R)
• M7: 8,460,956 km (0.067 R)
• M8: 10,305,498 km (0.099 R)
• M9: 11,639,462 km (0.066 R)
• M10: 12,665,853 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.5

Radius: 8.3

Gravity: 13.03 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.92 AU - 3.42 AU

Year: 3828 Days

Day: 11.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,009,016 km

• M1: 103,223 km (0.076 R)
• M2: 362,027 km (0.08 R)
• M3: 740,958 km (0.067 R)
• M4: 1,120,488 km (0.066 R)
• M5: 1,453,942 km (0.083 R)
• M6: 1,988,156 km (0.055 R)
• M7: 2,698,297 km (0.095 R)
• M8: 3,546,816 km (0.056 R)
• M9: 3,932,330 km (0.108 R)
• M10: 4,941,367 km (0.088 R)
• M11: 5,313,268 km (0.11 R)
• M12: 6,264,560 km (0.087 R)
• M13: 6,605,644 km (0.034 R)
• M14: 7,024,667 km (0.102 R)
• M15: 7,291,251 km (0.099 R)
• M16: 7,880,367 km (0.116 R)
• M17: 9,074,906 km (0.116 R)
• M18: 11,494,652 km (0.083 R)
• M19: 12,340,478 km (0.071 R)
• M20: 12,828,017 km (0.109 R)
• M21: 15,071,836 km (0.064 R)
• M22: 20,726,935 km (0.083 R)
• M23: 22,048,931 km (0.073 R)
• M24: 22,477,828 km (0.059 R)
• M25: 22,912,260 km (0.062 R)
• M26: 24,782,982 km (0.113 R)
• M27: 27,323,303 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.1

Radius: 9.6

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.71 AU - 5.51 AU

Year: 6713 Days

Day: 7.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,009,016 km

• M1: 137,032 km (0.07 R)
• M2: 435,629 km (0.048 R)
• M3: 780,003 km (0.119 R)
• M4: 1,108,221 km (0.084 R)
• M5: 1,693,897 km (0.077 R)
• M6: 4,732,678 km (0.118 R)
• M7: 5,145,120 km (0.084 R)
• M8: 5,824,294 km (0.055 R)
• M9: 6,363,744 km (0.111 R)
• M10: 7,653,128 km (0.091 R)
• M11: 8,902,120 km (0.036 R)
• M12: 11,022,970 km (0.036 R)
• M13: 13,899,138 km (0.115 R)
• M14: 15,930,976 km (0.105 R)
• M15: 16,859,680 km (0.05 R)
• M16: 17,305,182 km (0.117 R)
• M17: 19,442,786 km (0.088 R)
• M18: 19,791,948 km (0.103 R)
• M19: 24,074,636 km (0.088 R)
• M20: 25,880,880 km (0.11 R)
• M21: 27,511,946 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.7

Radius: 8.8

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.12 AU - 6.86 AU

Year: 8725 Days

Day: 5 Hours

Environment

Temp: -223 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,009,016 km

• M1: 109,506 km (0.087 R)
• M2: 411,245 km (0.118 R)
• M3: 1,014,722 km (0.075 R)
• M4: 1,691,054 km (0.071 R)
• M5: 2,356,765 km (0.084 R)
• M6: 3,707,035 km (0.085 R)
• M7: 4,826,027 km (0.03 R)
• M8: 5,130,160 km (0.04 R)
• M9: 5,710,151 km (0.071 R)
• M10: 6,016,228 km (0.104 R)
• M11: 6,333,226 km (0.089 R)
• M12: 6,735,794 km (0.026 R)
• M13: 7,233,506 km (0.073 R)
• M14: 9,758,718 km (0.092 R)
• M15: 11,218,943 km (0.12 R)
• M16: 12,028,866 km (0.063 R)
• M17: 12,761,895 km (0.089 R)
• M18: 13,524,246 km (0.097 R)
• M19: 17,512,675 km (0.106 R)
• M20: 18,527,547 km (0.03 R)
• M21: 19,734,951 km (0.076 R)
• M22: 21,807,630 km (0.113 R)
• M23: 24,374,579 km (0.089 R)
• M24: 26,380,537 km (0.056 R)
• M25: 26,851,322 km (0.104 R)
• M26: 28,691,675 km (0.092 R)
• M27: 33,823,031 km (0.104 R)
• M28: 35,967,068 km (0.077 R)
• M29: 37,960,908 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 627.7

Radius: 7

Gravity: 12.81 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 7.48 AU - 8.02 AU

Year: 14633 Days

Day: 17.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,009,016 km

• M1: 87,216 km (0.083 R)
• M2: 305,928 km (0.087 R)
• M3: 682,615 km (0.114 R)
• M4: 1,688,810 km (0.065 R)
• M5: 2,836,376 km (0.102 R)
• M6: 3,752,064 km (0.097 R)
• M7: 11,184,236 km (0.05 R)
• M8: 12,709,237 km (0.12 R)
• M9: 16,166,294 km (0.115 R)
• M10: 18,271,286 km (0.094 R)
• M11: 18,762,715 km (0.109 R)
• M12: 19,943,640 km (0.097 R)
• M13: 21,443,359 km (0.107 R)
• M14: 23,397,705 km (0.095 R)
• M15: 27,336,917 km (0.094 R)
• M16: 29,743,198 km (0.101 R)
• M17: 31,932,114 km (0.095 R)
• M18: 32,764,776 km (0.112 R)
• M19: 34,473,633 km (0.03 R)
• M20: 37,935,477 km (0.068 R)
• M21: 38,601,038 km (0.07 R)
• M22: 39,545,898 km (0.097 R)
• M23: 50,495,415 km (0.044 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 11,860 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit