🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.9

Radius: 8.6

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.45 AU - 0.63 AU

Year: 265 Days

Day: 13.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,320,977 km

• M1: 106,962 km (0.049 R)
• M2: 460,612 km (0.102 R)
• M3: 841,937 km (0.077 R)
• M4: 1,254,528 km (0.111 R)
• M5: 1,701,975 km (0.114 R)
• M6: 2,169,618 km (0.06 R)
• M7: 2,450,563 km (0.114 R)
• M8: 2,845,202 km (0.056 R)
• M9: 3,321,671 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.2

Radius: 13.8

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.47 AU - 0.63 AU

Year: 272 Days

Day: 6.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 20,320,977 km

• M1: 171,589 km (0.044 R)
• M2: 654,640 km (0.116 R)
• M3: 1,154,746 km (0.116 R)
• M4: 1,612,665 km (0.046 R)
• M5: 2,048,892 km (0.051 R)
• M6: 2,727,468 km (0.11 R)
• M7: 3,336,631 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.3

Radius: 8.2

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.61 AU - 0.85 AU

Year: 416 Days

Day: 10.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,320,977 km

• M1: 102,026 km (0.092 R)
• M2: 558,898 km (0.117 R)
• M3: 871,707 km (0.064 R)
• M4: 1,158,486 km (0.116 R)
• M5: 1,515,277 km (0.117 R)
• M6: 2,118,306 km (0.12 R)
• M7: 2,443,831 km (0.084 R)
• M8: 2,812,440 km (0.108 R)
• M9: 3,174,616 km (0.069 R)
• M10: 4,602,528 km (0.104 R)
• M11: 4,900,976 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.4

Radius: 10.2

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.68 AU - 0.8 AU

Year: 424 Days

Day: 9.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 20,320,977 km

• M1: 126,859 km (0.098 R)
• M2: 845,527 km (0.107 R)
• M3: 1,275,172 km (0.106 R)
• M4: 1,870,123 km (0.094 R)
• M5: 2,305,303 km (0.087 R)
• M6: 2,788,804 km (0.067 R)
• M7: 3,446,585 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.3

Radius: 10.7

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.64 AU - 1.06 AU

Year: 523 Days

Day: 13.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,320,977 km

• M1: 133,142 km (0.109 R)
• M2: 472,580 km (0.103 R)
• M3: 817,702 km (0.101 R)
• M4: 1,386,623 km (0.117 R)
• M5: 1,813,425 km (0.11 R)
• M6: 2,308,594 km (0.05 R)
• M7: 3,131,682 km (0.035 R)
• M8: 3,572,846 km (0.113 R)
• M9: 4,069,212 km (0.025 R)
• M10: 5,167,858 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.2

Radius: 14.7

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.85 AU - 1.17 AU

Year: 677 Days

Day: 10 Hours

Environment

Temp: -177 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,320,977 km

• M1: 182,809 km (0.092 R)
• M2: 1,259,016 km (0.097 R)
• M3: 1,720,076 km (0.11 R)
• M4: 2,220,332 km (0.099 R)
• M5: 2,774,293 km (0.113 R)
• M6: 3,564,020 km (0.119 R)
• M7: 4,468,937 km (0.112 R)
• M8: 5,362,186 km (0.116 R)
• M9: 6,234,042 km (0.05 R)
• M10: 7,438,305 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.5

Radius: 7.3

Gravity: 12.79 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.76 AU - 7.44 AU

Year: 10047 Days

Day: 19.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 20,320,977 km

• M1: 91,404 km (0.114 R)
• M2: 419,323 km (0.089 R)
• M3: 795,412 km (0.116 R)
• M4: 1,545,795 km (0.119 R)
• M5: 2,288,997 km (0.067 R)
• M6: 3,226,527 km (0.114 R)
• M7: 3,514,952 km (0.038 R)
• M8: 3,794,550 km (0.097 R)
• M9: 4,034,355 km (0.104 R)
• M10: 4,573,955 km (0.084 R)
• M11: 4,876,741 km (0.114 R)
• M12: 5,936,791 km (0.072 R)
• M13: 6,596,668 km (0.081 R)
• M14: 8,369,851 km (0.117 R)
• M15: 8,685,952 km (0.062 R)
• M16: 9,342,088 km (0.092 R)
• M17: 11,564,215 km (0.12 R)
• M18: 14,116,504 km (0.071 R)
• M19: 15,221,583 km (0.118 R)
• M20: 16,523,683 km (0.116 R)
• M21: 20,464,690 km (0.052 R)
• M22: 21,539,550 km (0.105 R)
• M23: 21,792,969 km (0.103 R)
• M24: 23,622,252 km (0.111 R)
• M25: 26,121,733 km (0.053 R)
• M26: 26,700,228 km (0.072 R)
• M27: 31,530,444 km (0.114 R)
• M28: 32,186,281 km (0.034 R)
• M29: 35,016,673 km (0.094 R)
• M30: 36,432,317 km (0.089 R)
• M31: 39,503,711 km (0.049 R)
• M32: 41,818,888 km (0.104 R)
• M33: 46,295,903 km (0.101 R)
• M34: 46,577,147 km (0.027 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 30.8

Radius: 6

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 6.63 AU - 7.87 AU

Year: 13018 Days

Day: 16.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,320,977 km

• M1: 74,649 km (0.112 R)
• M2: 368,759 km (0.099 R)
• M3: 1,229,994 km (0.11 R)
• M4: 1,469,949 km (0.114 R)
• M5: 2,888,735 km (0.099 R)
• M6: 3,088,897 km (0.113 R)
• M7: 4,148,798 km (0.107 R)
• M8: 6,754,643 km (0.095 R)
• M9: 7,321,021 km (0.092 R)
• M10: 7,758,146 km (0.06 R)
• M11: 8,179,563 km (0.081 R)
• M12: 8,412,636 km (0.067 R)
• M13: 9,535,518 km (0.085 R)
• M14: 13,132,898 km (0.092 R)
• M15: 19,013,889 km (0.058 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 20,030 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit