🌌 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: 779.2

Radius: 13.8

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.63 AU - 0.83 AU

Year: 397 Days

Day: 14 Hours

Environment

Temp: -142 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,345,614 km

• M1: 171,589 km (0.084 R)
• M2: 633,248 km (0.101 R)
• M3: 1,137,093 km (0.107 R)
• M4: 1,679,984 km (0.083 R)
• M5: 2,141,942 km (0.086 R)
• M6: 2,660,449 km (0.082 R)
• M7: 3,365,653 km (0.114 R)
• M8: 4,641,124 km (0.083 R)
• M9: 5,199,124 km (0.11 R)
• M10: 5,684,270 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.4

Radius: 13.6

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.85 AU - 1.13 AU

Year: 626 Days

Day: 14.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 89,345,614 km

• M1: 170,691 km (0.059 R)
• M2: 726,298 km (0.117 R)
• M3: 1,232,387 km (0.108 R)
• M4: 1,679,236 km (0.101 R)
• M5: 2,414,510 km (0.092 R)
• M6: 2,858,067 km (0.093 R)
• M7: 3,330,946 km (0.118 R)
• M8: 3,870,247 km (0.075 R)
• M9: 4,312,757 km (0.07 R)
• M10: 4,938,974 km (0.12 R)
• M11: 5,389,712 km (0.045 R)
• M12: 6,638,705 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565

Radius: 9.2

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.05 AU - 1.21 AU

Year: 764 Days

Day: 12.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 89,345,614 km

• M1: 114,592 km (0.075 R)
• M2: 447,746 km (0.098 R)
• M3: 875,896 km (0.115 R)
• M4: 1,391,709 km (0.077 R)
• M5: 1,736,233 km (0.059 R)
• M6: 2,503,072 km (0.106 R)
• M7: 2,886,042 km (0.077 R)
• M8: 3,282,028 km (0.031 R)
• M9: 3,770,614 km (0.071 R)
• M10: 4,138,027 km (0.037 R)
• M11: 4,480,905 km (0.053 R)
• M12: 5,403,924 km (0.099 R)
• M13: 5,814,570 km (0.111 R)
• M14: 6,145,929 km (0.117 R)
• M15: 6,531,144 km (0.085 R)
• M16: 6,825,403 km (0.086 R)
• M17: 7,831,598 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.3

Radius: 13.3

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.21 AU - 1.69 AU

Year: 1110 Days

Day: 7.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,345,614 km

• M1: 166,054 km (0.097 R)
• M2: 639,232 km (0.112 R)
• M3: 1,323,044 km (0.103 R)
• M4: 1,764,806 km (0.095 R)
• M5: 2,203,876 km (0.047 R)
• M6: 2,848,194 km (0.053 R)
• M7: 3,363,708 km (0.081 R)
• M8: 3,850,500 km (0.037 R)
• M9: 4,686,901 km (0.103 R)
• M10: 5,185,511 km (0.109 R)
• M11: 5,680,231 km (0.109 R)
• M12: 6,102,696 km (0.092 R)
• M13: 7,079,570 km (0.078 R)
• M14: 8,489,230 km (0.099 R)
• M15: 8,989,635 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.3

Radius: 8.6

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.77 AU - 2.75 AU

Year: 2160 Days

Day: 6.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,345,614 km

• M1: 128,355 km (0.065 R)
• M2: 1,135,448 km (0.039 R)
• M3: 1,540,110 km (0.08 R)
• M4: 2,007,005 km (0.099 R)
• M5: 2,616,766 km (0.05 R)
• M6: 3,299,231 km (0.115 R)
• M7: 3,756,103 km (0.12 R)
• M8: 4,934,037 km (0.103 R)
• M9: 6,799,522 km (0.05 R)
• M10: 9,706,508 km (0.065 R)
• M11: 12,110,546 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.5

Radius: 11.8

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.39 AU - 2.93 AU

Year: 2758 Days

Day: 8.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,345,614 km

• M1: 187,745 km (0.074 R)
• M2: 577,149 km (0.075 R)
• M3: 1,167,163 km (0.049 R)
• M4: 1,686,716 km (0.087 R)
• M5: 2,721,036 km (0.032 R)
• M6: 3,619,520 km (0.039 R)
• M7: 4,936,431 km (0.105 R)
• M8: 5,478,573 km (0.062 R)
• M9: 8,207,238 km (0.112 R)
• M10: 8,622,223 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 811.1

Radius: 5.2

Gravity: 30 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 7.86 AU - 10.2 AU

Year: 17253 Days

Day: 24.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 89,345,614 km

• M1: 64,776 km (0.084 R)
• M2: 248,033 km (0.089 R)
• M3: 739,612 km (0.119 R)
• M4: 1,162,974 km (0.064 R)
• M5: 1,405,622 km (0.117 R)
• M6: 2,173,507 km (0.097 R)
• M7: 3,493,409 km (0.112 R)
• M8: 5,541,853 km (0.095 R)
• M9: 9,846,681 km (0.102 R)
• M10: 10,371,620 km (0.08 R)
• M11: 11,668,933 km (0.092 R)
• M12: 12,659,271 km (0.063 R)
• M13: 13,633,004 km (0.097 R)
• M14: 14,881,398 km (0.088 R)
• M15: 15,339,616 km (0.096 R)
• M16: 18,115,554 km (0.067 R)
• M17: 20,639,270 km (0.06 R)
• M18: 27,041,610 km (0.077 R)
• M19: 28,533,699 km (0.096 R)
• M20: 31,430,812 km (0.114 R)
• M21: 36,409,130 km (0.105 R)
• M22: 41,737,507 km (0.11 R)
• M23: 42,039,545 km (0.096 R)
• M24: 43,416,444 km (0.073 R)
• M25: 46,745,744 km (0.116 R)
• M26: 49,562,523 km (0.076 R)
• M27: 54,444,948 km (0.095 R)
• M28: 58,687,693 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 956.1

Radius: 5.1

Gravity: 36.76 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 8.44 AU - 12.5 AU

Year: 21540 Days

Day: 18.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 89,345,614 km

• M1: 64,477 km (0.12 R)
• M2: 246,238 km (0.032 R)
• M3: 647,310 km (0.116 R)
• M4: 1,267,094 km (0.117 R)
• M5: 1,801,308 km (0.069 R)
• M6: 2,402,392 km (0.071 R)
• M7: 3,450,176 km (0.064 R)
• M8: 3,858,727 km (0.096 R)
• M9: 4,512,919 km (0.114 R)
• M10: 4,924,014 km (0.096 R)
• M11: 5,238,319 km (0.115 R)
• M12: 6,262,017 km (0.054 R)
• M13: 7,014,495 km (0.12 R)
• M14: 7,211,665 km (0.109 R)
• M15: 11,290,750 km (0.079 R)
• M16: 11,561,821 km (0.048 R)
• M17: 14,278,967 km (0.074 R)
• M18: 14,998,982 km (0.115 R)
• M19: 16,166,593 km (0.103 R)
• M20: 16,424,350 km (0.106 R)
• M21: 18,121,837 km (0.12 R)
• M22: 21,445,004 km (0.089 R)
• M23: 22,708,658 km (0.09 R)
• M24: 23,468,166 km (0.114 R)
• M25: 24,582,521 km (0.105 R)
• M26: 29,393,438 km (0.057 R)
• M27: 31,749,156 km (0.118 R)
• M28: 32,153,669 km (0.041 R)
• M29: 34,795,717 km (0.054 R)
• M30: 41,784,032 km (0.118 R)
• M31: 43,583,395 km (0.118 R)
• M32: 47,687,612 km (0.1 R)
• M33: 50,562,285 km (0.085 R)
• M34: 55,671,501 km (0.073 R)
• M35: 68,683,524 km (0.074 R)
• M36: 71,185,399 km (0.099 R)
• M37: 74,932,077 km (0.117 R)
• M38: 82,307,252 km (0.045 R)
• M39: 85,387,921 km (0.119 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: 182 - 12,282 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit