🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.8

Radius: 12.1

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.86 AU - 1.02 AU

Year: 641 Days

Day: 8 Hours

Environment

Temp: -172 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,534,048 km

• M1: 150,795 km (0.12 R)
• M2: 710,440 km (0.081 R)
• M3: 1,127,818 km (0.118 R)
• M4: 1,856,510 km (0.111 R)
• M5: 2,338,215 km (0.12 R)
• M6: 3,086,054 km (0.116 R)
• M7: 3,640,913 km (0.073 R)
• M8: 4,199,511 km (0.096 R)
• M9: 4,951,839 km (0.082 R)
• M10: 5,397,192 km (0.117 R)
• M11: 6,287,150 km (0.064 R)
• M12: 6,962,285 km (0.116 R)
• M13: 7,362,758 km (0.112 R)
• M14: 7,826,063 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.9

Radius: 15

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.34 AU - 2.14 AU

Year: 1613 Days

Day: 6.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,534,048 km

• M1: 186,549 km (0.092 R)
• M2: 659,577 km (0.091 R)
• M3: 1,173,296 km (0.077 R)
• M4: 1,705,416 km (0.055 R)
• M5: 2,304,106 km (0.101 R)
• M6: 2,942,291 km (0.039 R)
• M7: 3,453,018 km (0.117 R)
• M8: 4,221,203 km (0.076 R)
• M9: 4,835,003 km (0.088 R)
• M10: 5,708,356 km (0.062 R)
• M11: 6,437,047 km (0.089 R)
• M12: 6,991,157 km (0.075 R)
• M13: 9,281,201 km (0.057 R)
• M14: 9,826,037 km (0.073 R)
• M15: 11,300,474 km (0.102 R)
• M16: 11,997,151 km (0.062 R)
• M17: 12,528,822 km (0.117 R)
• M18: 13,275,465 km (0.031 R)
• M19: 14,093,316 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.9

Radius: 9.6

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.9 AU - 4.24 AU

Year: 5772 Days

Day: 14.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,534,048 km

• M1: 128,355 km (0.113 R)
• M2: 499,806 km (0.096 R)
• M3: 3,469,324 km (0.029 R)
• M4: 4,468,638 km (0.102 R)
• M5: 4,856,844 km (0.104 R)
• M6: 6,326,045 km (0.081 R)
• M7: 7,906,397 km (0.094 R)
• M8: 8,613,995 km (0.084 R)
• M9: 10,949,966 km (0.053 R)
• M10: 11,915,022 km (0.098 R)
• M11: 14,353,168 km (0.078 R)
• M12: 14,748,106 km (0.087 R)
• M13: 18,461,574 km (0.112 R)
• M14: 19,826,206 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.7

Radius: 14.8

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.02 AU - 4.8 AU

Year: 6510 Days

Day: 12.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,534,048 km

• M1: 211,083 km (0.074 R)
• M2: 712,086 km (0.068 R)
• M3: 1,295,518 km (0.114 R)
• M4: 2,676,605 km (0.115 R)
• M5: 3,200,796 km (0.119 R)
• M6: 4,056,047 km (0.03 R)
• M7: 5,438,780 km (0.119 R)
• M8: 6,625,091 km (0.077 R)
• M9: 7,708,479 km (0.108 R)
• M10: 8,699,116 km (0.082 R)
• M11: 10,837,468 km (0.057 R)
• M12: 11,373,328 km (0.114 R)
• M13: 13,251,978 km (0.12 R)
• M14: 15,451,515 km (0.052 R)
• M15: 21,691,841 km (0.118 R)
• M16: 24,070,746 km (0.073 R)
• M17: 24,901,014 km (0.056 R)
• M18: 26,794,923 km (0.066 R)
• M19: 29,624,268 km (0.099 R)
• M20: 32,748,171 km (0.081 R)
• M21: 34,181,617 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.2

Radius: 11

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.81 AU - 5.23 AU

Year: 7906 Days

Day: 6 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,534,048 km

• M1: 138,079 km (0.114 R)
• M2: 645,515 km (0.05 R)
• M3: 1,017,864 km (0.115 R)
• M4: 2,248,606 km (0.072 R)
• M5: 2,679,747 km (0.075 R)
• M6: 5,300,701 km (0.096 R)
• M7: 6,283,410 km (0.092 R)
• M8: 7,185,335 km (0.082 R)
• M9: 8,214,269 km (0.044 R)
• M10: 8,831,959 km (0.115 R)
• M11: 10,820,264 km (0.093 R)
• M12: 13,387,962 km (0.091 R)
• M13: 15,071,088 km (0.119 R)
• M14: 15,997,248 km (0.118 R)
• M15: 19,462,533 km (0.074 R)
• M16: 20,321,824 km (0.105 R)
• M17: 21,782,348 km (0.066 R)
• M18: 24,549,908 km (0.106 R)
• M19: 26,868,974 km (0.117 R)
• M20: 33,575,896 km (0.111 R)
• M21: 34,246,244 km (0.111 R)
• M22: 36,662,549 km (0.066 R)
• M23: 42,738,616 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 626.3

Radius: 6.2

Gravity: 16.29 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 7.8 AU - 8.52 AU

Year: 16385 Days

Day: 21.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,534,048 km

• M1: 77,043 km (0.115 R)
• M2: 290,669 km (0.031 R)
• M3: 727,943 km (0.12 R)
• M4: 1,026,840 km (0.077 R)
• M5: 1,251,985 km (0.116 R)
• M6: 1,464,563 km (0.093 R)
• M7: 2,134,313 km (0.104 R)
• M8: 2,356,017 km (0.105 R)
• M9: 2,548,849 km (0.067 R)
• M10: 6,363,145 km (0.114 R)
• M11: 6,739,384 km (0.106 R)
• M12: 7,536,292 km (0.067 R)
• M13: 8,745,043 km (0.09 R)
• M14: 9,529,534 km (0.099 R)
• M15: 10,022,010 km (0.099 R)
• M16: 13,139,480 km (0.117 R)
• M17: 18,059,455 km (0.096 R)
• M18: 26,673,749 km (0.113 R)
• M19: 27,650,623 km (0.114 R)
• M20: 29,675,730 km (0.113 R)
• M21: 30,842,443 km (0.112 R)
• M22: 32,404,395 km (0.082 R)
• M23: 35,037,916 km (0.06 R)
• M24: 38,082,083 km (0.115 R)
• M25: 41,441,752 km (0.085 R)
• M26: 44,993,953 km (0.107 R)
• M27: 50,694,679 km (0.112 R)
• M28: 52,696,897 km (0.113 R)
• M29: 59,201,413 km (0.103 R)
• M30: 60,674,802 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.7

Radius: 4.9

Gravity: 20.06 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 8.71 AU - 10.17 AU

Year: 20388 Days

Day: 23.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 68,534,048 km

• M1: 60,886 km (0.12 R)
• M2: 233,223 km (0.054 R)
• M3: 440,566 km (0.098 R)
• M4: 722,707 km (0.117 R)
• M5: 1,236,875 km (0.093 R)
• M6: 1,580,202 km (0.079 R)
• M7: 2,347,041 km (0.093 R)
• M8: 2,800,023 km (0.112 R)
• M9: 3,282,327 km (0.084 R)
• M10: 4,029,718 km (0.118 R)
• M11: 4,217,164 km (0.109 R)
• M12: 4,711,435 km (0.08 R)
• M13: 5,814,570 km (0.045 R)
• M14: 5,973,593 km (0.092 R)
• M15: 6,990,110 km (0.057 R)
• M16: 9,037,507 km (0.106 R)
• M17: 10,082,896 km (0.08 R)
• M18: 11,023,717 km (0.095 R)
• M19: 13,490,138 km (0.03 R)
• M20: 15,603,058 km (0.09 R)
• M21: 17,100,981 km (0.095 R)
• M22: 17,264,043 km (0.115 R)
• M23: 20,471,272 km (0.118 R)
• M24: 31,199,534 km (0.11 R)
• M25: 31,443,079 km (0.026 R)
• M26: 33,565,125 km (0.087 R)
• M27: 34,077,946 km (0.1 R)
• M28: 34,595,854 km (0.076 R)
• M29: 45,306,314 km (0.062 R)
• M30: 46,564,581 km (0.088 R)
• M31: 54,606,514 km (0.112 R)
• M32: 55,851,467 km (0.095 R)
• M33: 57,479,840 km (0.076 R)
• M34: 68,124,028 km (0.098 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 20,334 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit