🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.7

Radius: 9.9

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.61 AU - 0.85 AU

Year: 423 Days

Day: 8.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 52,507,986 km

• M1: 123,119 km (0.112 R)
• M2: 512,373 km (0.067 R)
• M3: 973,284 km (0.086 R)
• M4: 2,500,229 km (0.097 R)
• M5: 2,835,478 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.6

Radius: 14.5

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.26 AU - 2.06 AU

Year: 1451 Days

Day: 6 Hours

Environment

Temp: -189 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,507,986 km

• M1: 180,265 km (0.102 R)
• M2: 677,529 km (0.102 R)
• M3: 1,376,151 km (0.078 R)
• M4: 2,017,477 km (0.05 R)
• M5: 2,655,661 km (0.082 R)
• M6: 3,369,243 km (0.074 R)
• M7: 4,412,539 km (0.057 R)
• M8: 5,182,519 km (0.097 R)
• M9: 5,997,678 km (0.104 R)
• M10: 6,641,098 km (0.088 R)
• M11: 7,578,778 km (0.046 R)
• M12: 10,048,938 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.2

Radius: 8.5

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.48 AU - 1.9 AU

Year: 1490 Days

Day: 8.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,507,986 km

• M1: 106,514 km (0.11 R)
• M2: 533,316 km (0.116 R)
• M3: 945,309 km (0.104 R)
• M4: 1,214,884 km (0.066 R)
• M5: 1,665,024 km (0.061 R)
• M6: 2,014,335 km (0.098 R)
• M7: 2,389,228 km (0.082 R)
• M8: 2,660,598 km (0.085 R)
• M9: 3,527,069 km (0.046 R)
• M10: 3,944,746 km (0.105 R)
• M11: 4,786,833 km (0.106 R)
• M12: 5,438,182 km (0.09 R)
• M13: 6,524,412 km (0.116 R)
• M14: 7,423,196 km (0.111 R)
• M15: 8,701,211 km (0.118 R)
• M16: 9,788,637 km (0.104 R)
• M17: 10,489,503 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.2

Radius: 10

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.7 AU - 2.32 AU

Year: 1933 Days

Day: 12.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,507,986 km

• M1: 124,316 km (0.047 R)
• M2: 439,070 km (0.109 R)
• M3: 1,262,008 km (0.073 R)
• M4: 1,956,291 km (0.111 R)
• M5: 5,423,372 km (0.11 R)
• M6: 5,864,237 km (0.066 R)
• M7: 6,242,570 km (0.085 R)
• M8: 9,085,976 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.7

Radius: 14.5

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.84 AU - 3.66 AU

Year: 3974 Days

Day: 5.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,507,986 km

• M1: 201,508 km (0.109 R)
• M2: 1,133,503 km (0.117 R)
• M3: 1,608,327 km (0.091 R)
• M4: 2,289,895 km (0.055 R)
• M5: 2,746,916 km (0.059 R)
• M6: 3,713,917 km (0.046 R)
• M7: 7,313,541 km (0.032 R)
• M8: 8,349,656 km (0.082 R)
• M9: 10,035,025 km (0.119 R)
• M10: 13,535,316 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.1

Radius: 10.5

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.59 AU - 5.39 AU

Year: 7560 Days

Day: 6.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,507,986 km

• M1: 130,898 km (0.069 R)
• M2: 737,667 km (0.092 R)
• M3: 1,088,175 km (0.115 R)
• M4: 1,776,924 km (0.101 R)
• M5: 2,131,770 km (0.028 R)
• M6: 3,935,322 km (0.069 R)
• M7: 5,486,951 km (0.106 R)
• M8: 6,622,099 km (0.09 R)
• M9: 8,063,924 km (0.096 R)
• M10: 9,571,421 km (0.107 R)
• M11: 10,675,603 km (0.119 R)
• M12: 12,971,781 km (0.078 R)
• M13: 16,843,224 km (0.07 R)
• M14: 17,500,258 km (0.085 R)
• M15: 20,745,036 km (0.068 R)
• M16: 21,961,715 km (0.093 R)
• M17: 22,508,795 km (0.12 R)
• M18: 26,508,144 km (0.071 R)
• M19: 28,767,970 km (0.097 R)
• M20: 33,977,865 km (0.067 R)
• M21: 34,920,930 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.4

Radius: 14.4

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.54 AU - 5.6 AU

Year: 7743 Days

Day: 8.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,507,986 km

• M1: 182,509 km (0.065 R)
• M2: 728,542 km (0.082 R)
• M3: 1,770,790 km (0.09 R)
• M4: 2,271,943 km (0.056 R)
• M5: 3,315,837 km (0.118 R)
• M6: 4,246,635 km (0.086 R)
• M7: 4,802,989 km (0.107 R)
• M8: 5,345,282 km (0.042 R)
• M9: 5,828,333 km (0.105 R)
• M10: 6,920,098 km (0.08 R)
• M11: 7,937,513 km (0.079 R)
• M12: 9,324,136 km (0.036 R)
• M13: 10,075,417 km (0.062 R)
• M14: 11,277,735 km (0.063 R)
• M15: 13,027,132 km (0.063 R)
• M16: 15,589,893 km (0.069 R)
• M17: 23,608,489 km (0.109 R)
• M18: 24,562,923 km (0.082 R)
• M19: 25,362,823 km (0.098 R)
• M20: 27,202,578 km (0.109 R)
• M21: 27,676,055 km (0.078 R)
• M22: 28,445,138 km (0.08 R)
• M23: 33,362,719 km (0.096 R)
• M24: 39,905,531 km (0.096 R)
• M25: 41,384,306 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 825.3

Radius: 6.7

Gravity: 18.38 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.92 AU - 7.46 AU

Year: 10445 Days

Day: 20.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 52,507,986 km

• M1: 83,326 km (0.069 R)
• M2: 327,470 km (0.083 R)
• M3: 575,802 km (0.107 R)
• M4: 826,379 km (0.095 R)
• M5: 1,309,729 km (0.055 R)
• M6: 1,916,349 km (0.076 R)
• M7: 2,254,889 km (0.056 R)
• M8: 3,830,304 km (0.053 R)
• M9: 4,107,808 km (0.08 R)
• M10: 5,186,109 km (0.06 R)
• M11: 5,917,344 km (0.103 R)
• M12: 6,138,449 km (0.1 R)
• M13: 7,327,753 km (0.056 R)
• M14: 8,997,115 km (0.112 R)
• M15: 10,101,895 km (0.119 R)
• M16: 11,015,340 km (0.108 R)
• M17: 12,100,224 km (0.115 R)
• M18: 12,882,321 km (0.11 R)
• M19: 16,350,150 km (0.114 R)
• M20: 16,567,366 km (0.112 R)
• M21: 17,305,332 km (0.059 R)
• M22: 18,846,639 km (0.092 R)
• M23: 19,407,182 km (0.063 R)
• M24: 21,760,656 km (0.071 R)
• M25: 24,391,783 km (0.098 R)
• M26: 26,623,933 km (0.088 R)
• M27: 27,126,582 km (0.074 R)
• M28: 32,735,305 km (0.098 R)
• M29: 33,080,577 km (0.116 R)
• M30: 34,605,129 km (0.118 R)
• M31: 37,041,031 km (0.107 R)
• M32: 39,070,326 km (0.072 R)
• M33: 43,765,455 km (0.112 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 15,486 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit