🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.3

Radius: 14.8

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.95 AU - 1.07 AU

Year: 645 Days

Day: 10.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,847,154 km

• M1: 184,604 km (0.113 R)
• M2: 675,883 km (0.112 R)
• M3: 1,146,069 km (0.034 R)
• M4: 2,505,764 km (0.058 R)
• M5: 3,133,178 km (0.114 R)
• M6: 3,890,592 km (0.118 R)
• M7: 4,844,129 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.2

Radius: 12.4

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.63 AU - 2.25 AU

Year: 1718 Days

Day: 10.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 127.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,847,154 km

• M1: 154,235 km (0.084 R)
• M2: 727,943 km (0.086 R)
• M3: 1,470,098 km (0.032 R)
• M4: 2,241,724 km (0.096 R)
• M5: 3,507,023 km (0.116 R)
• M6: 4,764,692 km (0.099 R)
• M7: 6,753,895 km (0.086 R)
• M8: 8,445,249 km (0.096 R)
• M9: 9,119,636 km (0.069 R)
• M10: 10,096,809 km (0.066 R)
• M11: 11,433,466 km (0.103 R)
• M12: 13,654,695 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.9

Radius: 8.1

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.09 AU - 6.45 AU

Year: 8812 Days

Day: 14.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 54,847,154 km

• M1: 104,270 km (0.098 R)
• M2: 482,004 km (0.103 R)
• M3: 1,162,226 km (0.105 R)
• M4: 1,469,500 km (0.063 R)
• M5: 1,830,928 km (0.101 R)
• M6: 2,182,334 km (0.079 R)
• M7: 2,734,051 km (0.112 R)
• M8: 3,043,120 km (0.054 R)
• M9: 3,562,673 km (0.107 R)
• M10: 4,954,981 km (0.068 R)
• M11: 6,214,146 km (0.094 R)
• M12: 7,475,406 km (0.055 R)
• M13: 8,082,923 km (0.03 R)
• M14: 9,304,539 km (0.097 R)
• M15: 9,722,066 km (0.086 R)
• M16: 10,396,454 km (0.059 R)
• M17: 12,551,261 km (0.107 R)
• M18: 13,703,315 km (0.11 R)
• M19: 14,612,570 km (0.104 R)
• M20: 17,164,261 km (0.08 R)
• M21: 21,566,927 km (0.119 R)
• M22: 23,640,204 km (0.087 R)
• M23: 24,857,481 km (0.054 R)
• M24: 25,571,662 km (0.06 R)
• M25: 27,891,476 km (0.085 R)
• M26: 31,576,819 km (0.094 R)
• M27: 33,481,799 km (0.115 R)
• M28: 37,286,970 km (0.1 R)
• M29: 38,814,963 km (0.063 R)
• M30: 40,018,328 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.8

Radius: 15

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.95 AU - 7.15 AU

Year: 9462 Days

Day: 6.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,847,154 km

• M1: 301,141 km (0.088 R)
• M2: 946,655 km (0.111 R)
• M3: 1,804,450 km (0.112 R)
• M4: 2,814,684 km (0.12 R)
• M5: 4,519,352 km (0.095 R)
• M6: 5,629,667 km (0.091 R)
• M7: 6,158,346 km (0.078 R)
• M8: 8,985,895 km (0.068 R)
• M9: 11,222,982 km (0.101 R)
• M10: 13,435,983 km (0.111 R)
• M11: 17,428,152 km (0.048 R)
• M12: 18,251,389 km (0.048 R)
• M13: 19,654,318 km (0.074 R)
• M14: 21,212,080 km (0.104 R)
• M15: 22,324,490 km (0.086 R)
• M16: 24,387,445 km (0.108 R)
• M17: 25,039,841 km (0.064 R)
• M18: 26,282,252 km (0.096 R)
• M19: 27,766,562 km (0.058 R)
• M20: 28,273,549 km (0.103 R)
• M21: 30,685,665 km (0.11 R)
• M22: 31,997,339 km (0.083 R)
• M23: 33,345,964 km (0.102 R)
• M24: 34,382,228 km (0.116 R)
• M25: 36,277,184 km (0.062 R)
• M26: 37,250,319 km (0.11 R)
• M27: 44,005,410 km (0.093 R)
• M28: 47,381,834 km (0.1 R)
• M29: 48,544,808 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 516.6

Radius: 4

Gravity: 32.29 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.86 AU - 7.14 AU

Year: 10537 Days

Day: 23.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,847,154 km

• M1: 49,816 km (0.114 R)
• M2: 427,252 km (0.075 R)
• M3: 606,021 km (0.102 R)
• M4: 1,072,617 km (0.031 R)
• M5: 3,092,188 km (0.116 R)
• M6: 4,978,468 km (0.102 R)
• M7: 5,930,957 km (0.059 R)
• M8: 6,768,256 km (0.118 R)
• M9: 8,232,371 km (0.114 R)
• M10: 8,407,101 km (0.1 R)
• M11: 8,718,863 km (0.109 R)
• M12: 9,507,842 km (0.073 R)
• M13: 11,387,689 km (0.047 R)
• M14: 12,046,967 km (0.071 R)
• M15: 18,336,660 km (0.112 R)
• M16: 19,317,423 km (0.118 R)
• M17: 23,678,949 km (0.078 R)
• M18: 32,948,033 km (0.118 R)
• M19: 36,348,692 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 428.3

Radius: 6.6

Gravity: 9.83 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 6.38 AU - 10.42 AU

Year: 15479 Days

Day: 15.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,847,154 km

• M1: 85,271 km (0.115 R)
• M2: 396,135 km (0.071 R)
• M3: 665,262 km (0.084 R)
• M4: 968,945 km (0.083 R)
• M5: 1,196,334 km (0.091 R)
• M6: 1,516,773 km (0.115 R)
• M7: 2,532,243 km (0.097 R)
• M8: 3,110,888 km (0.048 R)
• M9: 3,560,878 km (0.108 R)
• M10: 3,828,958 km (0.062 R)
• M11: 5,173,094 km (0.102 R)
• M12: 5,447,606 km (0.039 R)
• M13: 5,877,551 km (0.07 R)
• M14: 7,219,294 km (0.077 R)
• M15: 8,189,287 km (0.097 R)
• M16: 8,996,218 km (0.093 R)
• M17: 12,758,903 km (0.104 R)
• M18: 13,775,870 km (0.052 R)
• M19: 17,684,563 km (0.106 R)
• M20: 19,517,885 km (0.06 R)
• M21: 21,562,139 km (0.105 R)
• M22: 22,094,708 km (0.114 R)
• M23: 27,495,640 km (0.079 R)
• M24: 28,438,406 km (0.085 R)
• M25: 30,167,458 km (0.102 R)
• M26: 31,850,883 km (0.12 R)
• M27: 43,285,695 km (0.088 R)
• M28: 53,867,351 km (0.092 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: 190 - 13,990 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit