🌌 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: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.3

Radius: 12.6

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.58 AU - 0.9 AU

Year: 432 Days

Day: 7.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,461,605 km

• M1: 156,629 km (0.056 R)
• M2: 552,166 km (0.087 R)
• M3: 1,065,137 km (0.077 R)
• M4: 1,608,028 km (0.084 R)
• M5: 2,111,275 km (0.088 R)
• M6: 2,681,392 km (0.115 R)
• M7: 3,276,642 km (0.109 R)
• M8: 3,800,684 km (0.064 R)
• M9: 4,733,725 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.3

Radius: 12.9

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.93 AU - 1.55 AU

Year: 937 Days

Day: 5.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,461,605 km

• M1: 160,369 km (0.042 R)
• M2: 654,491 km (0.077 R)
• M3: 2,184,129 km (0.057 R)
• M4: 3,069,000 km (0.098 R)
• M5: 3,803,975 km (0.114 R)
• M6: 7,558,582 km (0.069 R)
• M7: 10,843,302 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.3

Radius: 14.4

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.43 AU - 1.83 AU

Year: 1411 Days

Day: 14.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,461,605 km

• M1: 179,069 km (0.096 R)
• M2: 699,520 km (0.108 R)
• M3: 1,208,452 km (0.082 R)
• M4: 1,678,189 km (0.074 R)
• M5: 2,169,319 km (0.08 R)
• M6: 2,626,939 km (0.081 R)
• M7: 3,084,110 km (0.12 R)
• M8: 3,551,453 km (0.12 R)
• M9: 4,114,091 km (0.086 R)
• M10: 6,127,828 km (0.103 R)
• M11: 8,440,761 km (0.112 R)
• M12: 9,086,275 km (0.054 R)
• M13: 9,822,746 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.5

Radius: 8.9

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.59 AU - 1.85 AU

Year: 1530 Days

Day: 11.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,461,605 km

• M1: 110,702 km (0.112 R)
• M2: 658,679 km (0.079 R)
• M3: 1,618,051 km (0.081 R)
• M4: 2,930,173 km (0.105 R)
• M5: 6,599,211 km (0.105 R)
• M6: 6,976,646 km (0.026 R)
• M7: 8,276,801 km (0.112 R)
• M8: 8,941,465 km (0.059 R)
• M9: 10,888,481 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.6

Radius: 14.1

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.16 AU - 2.22 AU

Year: 2198 Days

Day: 12.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,461,605 km

• M1: 175,478 km (0.049 R)
• M2: 616,194 km (0.101 R)
• M3: 1,657,844 km (0.079 R)
• M4: 2,116,660 km (0.119 R)
• M5: 4,038,993 km (0.094 R)
• M6: 7,453,116 km (0.103 R)
• M7: 8,566,124 km (0.115 R)
• M8: 9,646,220 km (0.083 R)
• M9: 11,473,409 km (0.084 R)
• M10: 11,994,757 km (0.06 R)
• M11: 13,923,074 km (0.094 R)
• M12: 15,366,544 km (0.119 R)
• M13: 16,805,376 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.6

Radius: 9.8

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 5.16 AU - 6.06 AU

Year: 9012 Days

Day: 7.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,461,605 km

• M1: 121,922 km (0.115 R)
• M2: 548,575 km (0.109 R)
• M3: 888,312 km (0.072 R)
• M4: 1,372,560 km (0.092 R)
• M5: 1,726,210 km (0.097 R)
• M6: 2,328,491 km (0.119 R)
• M7: 2,640,702 km (0.118 R)
• M8: 3,001,831 km (0.065 R)
• M9: 4,591,308 km (0.099 R)
• M10: 5,488,746 km (0.094 R)
• M11: 7,431,723 km (0.119 R)
• M12: 8,536,802 km (0.083 R)
• M13: 10,716,144 km (0.102 R)
• M14: 18,703,623 km (0.039 R)
• M15: 19,664,640 km (0.068 R)
• M16: 21,845,627 km (0.085 R)
• M17: 26,407,016 km (0.103 R)
• M18: 27,146,478 km (0.104 R)
• M19: 27,994,848 km (0.081 R)
• M20: 31,876,613 km (0.097 R)
• M21: 33,246,332 km (0.078 R)
• M22: 39,119,245 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 994.3

Radius: 3.7

Gravity: 72.63 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 6.25 AU - 7.37 AU

Year: 12053 Days

Day: 22.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,461,605 km

• M1: 46,226 km (0.09 R)
• M2: 163,062 km (0.065 R)
• M3: 537,356 km (0.106 R)
• M4: 832,961 km (0.081 R)
• M5: 1,005,746 km (0.063 R)
• M6: 1,323,343 km (0.087 R)
• M7: 1,544,000 km (0.112 R)
• M8: 1,840,652 km (0.099 R)
• M9: 2,546,305 km (0.077 R)
• M10: 2,794,039 km (0.045 R)
• M11: 3,132,131 km (0.091 R)
• M12: 3,633,732 km (0.104 R)
• M13: 5,605,881 km (0.064 R)
• M14: 7,010,007 km (0.091 R)
• M15: 7,405,843 km (0.12 R)
• M16: 8,632,695 km (0.073 R)
• M17: 9,398,935 km (0.058 R)
• M18: 11,845,159 km (0.103 R)
• M19: 12,217,209 km (0.103 R)
• M20: 14,969,810 km (0.114 R)
• M21: 16,527,872 km (0.099 R)
• M22: 16,836,343 km (0.112 R)
• M23: 18,027,591 km (0.091 R)
• M24: 18,768,848 km (0.054 R)
• M25: 19,359,161 km (0.115 R)
• M26: 20,844,070 km (0.11 R)
• M27: 28,416,265 km (0.071 R)
• M28: 32,087,546 km (0.116 R)
• M29: 32,688,332 km (0.079 R)
• M30: 35,420,886 km (0.1 R)
• M31: 39,114,009 km (0.07 R)
• M32: 40,075,774 km (0.095 R)
• M33: 49,770,763 km (0.052 R)
• M34: 57,151,024 km (0.116 R)
• M35: 59,283,392 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 548

Radius: 3.2

Gravity: 53.52 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 7.87 AU - 8.47 AU

Year: 15839 Days

Day: 23.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,461,605 km

• M1: 118,033 km (0.08 R)
• M2: 223,948 km (0.084 R)
• M3: 804,089 km (0.111 R)
• M4: 972,536 km (0.069 R)
• M5: 1,138,889 km (0.115 R)
• M6: 1,754,185 km (0.102 R)
• M7: 2,414,659 km (0.048 R)
• M8: 2,743,027 km (0.076 R)
• M9: 3,355,331 km (0.097 R)
• M10: 3,487,874 km (0.119 R)
• M11: 4,024,033 km (0.081 R)
• M12: 4,389,650 km (0.114 R)
• M13: 5,882,787 km (0.105 R)
• M14: 8,389,449 km (0.084 R)
• M15: 8,584,674 km (0.116 R)
• M16: 9,554,068 km (0.032 R)
• M17: 10,092,471 km (0.078 R)
• M18: 14,163,029 km (0.071 R)
• M19: 15,730,964 km (0.113 R)
• M20: 19,888,887 km (0.115 R)
• M21: 20,236,104 km (0.065 R)
• M22: 21,211,781 km (0.113 R)
• M23: 24,326,110 km (0.111 R)
• M24: 29,943,360 km (0.046 R)
• M25: 30,399,335 km (0.076 R)
• M26: 31,913,115 km (0.068 R)
• M27: 33,232,718 km (0.119 R)
• M28: 34,713,288 km (0.102 R)
• M29: 34,838,502 km (0.093 R)
• M30: 37,408,892 km (0.069 R)
• M31: 41,921,363 km (0.092 R)
• M32: 44,677,254 km (0.062 R)
• M33: 46,630,703 km (0.041 R)
• M34: 52,997,589 km (0.091 R)
• M35: 56,042,354 km (0.072 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 18,366 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit