🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.1

Radius: 13.2

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.55 AU - 0.87 AU

Year: 413 Days

Day: 5.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,769,235 km

• M1: 164,258 km (0.074 R)
• M2: 589,864 km (0.076 R)
• M3: 1,070,522 km (0.108 R)
• M4: 1,497,325 km (0.109 R)
• M5: 2,140,895 km (0.034 R)
• M6: 2,684,833 km (0.107 R)
• M7: 3,149,783 km (0.058 R)
• M8: 3,681,155 km (0.11 R)
• M9: 4,730,135 km (0.091 R)
• M10: 5,142,128 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.5

Radius: 12.2

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.13 AU - 3.27 AU

Year: 3951 Days

Day: 14.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,769,235 km

• M1: 151,842 km (0.037 R)
• M2: 541,395 km (0.11 R)
• M3: 1,069,924 km (0.075 R)
• M4: 1,938,639 km (0.119 R)
• M5: 2,804,511 km (0.1 R)
• M6: 3,786,023 km (0.034 R)
• M7: 4,175,127 km (0.085 R)
• M8: 6,095,216 km (0.104 R)
• M9: 6,725,023 km (0.113 R)
• M10: 8,582,131 km (0.097 R)
• M11: 9,028,979 km (0.064 R)
• M12: 10,380,297 km (0.117 R)
• M13: 11,017,584 km (0.067 R)
• M14: 11,590,993 km (0.056 R)
• M15: 12,230,524 km (0.107 R)
• M16: 14,867,485 km (0.111 R)
• M17: 16,803,880 km (0.047 R)
• M18: 17,269,129 km (0.106 R)
• M19: 17,802,745 km (0.091 R)
• M20: 19,533,592 km (0.067 R)
• M21: 20,637,774 km (0.102 R)
• M22: 21,374,245 km (0.056 R)
• M23: 21,783,096 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.4

Radius: 8.5

Gravity: 13.24 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.69 AU - 3.97 AU

Year: 4194 Days

Day: 10.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,769,235 km

• M1: 105,766 km (0.114 R)
• M2: 371,003 km (0.114 R)
• M3: 662,419 km (0.067 R)
• M4: 996,920 km (0.045 R)
• M5: 1,334,114 km (0.088 R)
• M6: 1,853,069 km (0.11 R)
• M7: 2,849,839 km (0.098 R)
• M8: 3,132,879 km (0.105 R)
• M9: 3,603,514 km (0.039 R)
• M10: 5,587,331 km (0.101 R)
• M11: 6,094,468 km (0.119 R)
• M12: 7,063,862 km (0.118 R)
• M13: 7,692,921 km (0.116 R)
• M14: 8,207,538 km (0.091 R)
• M15: 9,224,055 km (0.071 R)
• M16: 11,085,801 km (0.034 R)
• M17: 12,276,600 km (0.064 R)
• M18: 14,084,041 km (0.082 R)
• M19: 16,003,083 km (0.039 R)
• M20: 24,557,089 km (0.097 R)
• M21: 25,752,974 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.6

Radius: 8.3

Gravity: 13.39 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.3 AU - 3.98 AU

Year: 4794 Days

Day: 11.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,769,235 km

• M1: 147,354 km (0.062 R)
• M2: 572,661 km (0.045 R)
• M3: 1,038,359 km (0.104 R)
• M4: 1,441,974 km (0.051 R)
• M5: 2,080,009 km (0.12 R)
• M6: 2,708,918 km (0.079 R)
• M7: 4,119,028 km (0.086 R)
• M8: 4,726,694 km (0.117 R)
• M9: 5,539,310 km (0.067 R)
• M10: 6,279,520 km (0.112 R)
• M11: 8,300,587 km (0.039 R)
• M12: 9,227,047 km (0.1 R)
• M13: 10,087,235 km (0.12 R)
• M14: 11,236,446 km (0.116 R)
• M15: 11,524,721 km (0.083 R)
• M16: 12,727,787 km (0.071 R)
• M17: 13,575,109 km (0.108 R)
• M18: 14,179,036 km (0.052 R)
• M19: 17,215,573 km (0.072 R)
• M20: 18,053,920 km (0.076 R)
• M21: 18,449,905 km (0.076 R)
• M22: 18,986,812 km (0.116 R)
• M23: 27,725,721 km (0.111 R)
• M24: 30,243,603 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.3

Radius: 9.6

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.03 AU - 4.03 AU

Year: 5584 Days

Day: 8.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,769,235 km

• M1: 122,072 km (0.056 R)
• M2: 476,320 km (0.088 R)
• M3: 1,242,261 km (0.107 R)
• M4: 1,592,469 km (0.094 R)
• M5: 1,943,127 km (0.082 R)
• M6: 3,898,371 km (0.112 R)
• M7: 4,519,651 km (0.103 R)
• M8: 5,078,249 km (0.067 R)
• M9: 7,064,610 km (0.109 R)
• M10: 9,102,133 km (0.077 R)
• M11: 12,039,038 km (0.06 R)
• M12: 17,227,541 km (0.09 R)
• M13: 19,829,048 km (0.096 R)
• M14: 20,926,199 km (0.097 R)
• M15: 22,199,726 km (0.119 R)
• M16: 24,314,591 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 36.2

Radius: 3.1

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 7.7 AU - 8.56 AU

Year: 16001 Days

Day: 16.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,769,235 km

• M1: 399,875 km (0.071 R)
• M2: 1,293,124 km (0.106 R)
• M3: 1,529,788 km (0.102 R)
• M4: 1,634,656 km (0.084 R)
• M5: 1,781,860 km (0.115 R)
• M6: 3,297,735 km (0.107 R)
• M7: 4,015,805 km (0.09 R)
• M8: 6,817,025 km (0.083 R)
• M9: 7,006,267 km (0.113 R)
• M10: 7,527,765 km (0.098 R)
• M11: 13,387,962 km (0.085 R)
• M12: 20,057,035 km (0.088 R)
• M13: 21,980,116 km (0.057 R)
• M14: 22,531,534 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.8

Radius: 4.8

Gravity: 16.18 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 8.21 AU - 10.55 AU

Year: 19830 Days

Day: 22.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,769,235 km

• M1: 59,690 km (0.093 R)
• M2: 232,625 km (0.061 R)
• M3: 531,521 km (0.089 R)
• M4: 681,568 km (0.043 R)
• M5: 967,150 km (0.075 R)
• M6: 1,131,857 km (0.081 R)
• M7: 1,488,200 km (0.082 R)
• M8: 2,938,850 km (0.104 R)
• M9: 3,366,251 km (0.101 R)
• M10: 4,931,943 km (0.085 R)
• M11: 5,245,051 km (0.099 R)
• M12: 5,988,253 km (0.103 R)
• M13: 6,631,524 km (0.1 R)
• M14: 8,149,643 km (0.109 R)
• M15: 8,439,713 km (0.1 R)
• M16: 9,298,854 km (0.099 R)
• M17: 13,792,774 km (0.058 R)
• M18: 22,521,660 km (0.112 R)
• M19: 36,504,723 km (0.115 R)
• M20: 40,276,684 km (0.066 R)
• M21: 45,951,679 km (0.118 R)
• M22: 46,715,675 km (0.074 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 11,990 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit