🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.5

Radius: 13.9

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.71 AU - 0.79 AU

Year: 448 Days

Day: 13.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,623,643 km

• M1: 175,927 km (0.048 R)
• M2: 657,483 km (0.078 R)
• M3: 1,161,328 km (0.078 R)
• M4: 1,735,335 km (0.093 R)
• M5: 2,459,838 km (0.068 R)
• M6: 3,074,984 km (0.052 R)
• M7: 3,654,676 km (0.117 R)
• M8: 4,334,449 km (0.094 R)
• M9: 4,868,513 km (0.049 R)
• M10: 5,397,790 km (0.05 R)

Asteroid Belt

Center: 1.88 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.1

Radius: 10.3

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.52 AU - 3.48 AU

Year: 3587 Days

Day: 10.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,623,643 km

• M1: 163,959 km (0.049 R)
• M2: 1,902,287 km (0.069 R)
• M3: 2,680,644 km (0.034 R)
• M4: 6,260,372 km (0.101 R)
• M5: 8,206,341 km (0.054 R)
• M6: 9,127,864 km (0.056 R)
• M7: 10,430,562 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.1

Radius: 8.1

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.8 AU - 4.48 AU

Year: 5814 Days

Day: 13.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,623,643 km

• M1: 100,829 km (0.08 R)
• M2: 476,170 km (0.109 R)
• M3: 1,312,721 km (0.054 R)
• M4: 1,656,647 km (0.118 R)
• M5: 2,392,220 km (0.091 R)
• M6: 3,205,284 km (0.114 R)
• M7: 3,834,642 km (0.06 R)
• M8: 4,888,858 km (0.076 R)
• M9: 5,691,601 km (0.065 R)
• M10: 8,748,184 km (0.102 R)
• M11: 9,580,547 km (0.068 R)
• M12: 11,644,698 km (0.112 R)
• M13: 30,809,681 km (0.025 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373

Radius: 9.3

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.34 AU - 4.74 AU

Year: 6677 Days

Day: 9 Hours

Environment

Temp: -221 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,623,643 km

• M1: 126,261 km (0.102 R)
• M2: 502,200 km (0.049 R)
• M3: 1,003,054 km (0.058 R)
• M4: 1,349,522 km (0.104 R)
• M5: 1,979,479 km (0.081 R)
• M6: 2,758,286 km (0.075 R)
• M7: 3,208,126 km (0.093 R)
• M8: 3,534,848 km (0.061 R)
• M9: 4,136,980 km (0.11 R)
• M10: 5,180,275 km (0.061 R)
• M11: 6,202,178 km (0.055 R)
• M12: 6,614,171 km (0.089 R)
• M13: 8,258,102 km (0.106 R)
• M14: 9,986,107 km (0.094 R)
• M15: 11,608,196 km (0.095 R)
• M16: 12,088,256 km (0.1 R)
• M17: 12,732,125 km (0.086 R)
• M18: 14,524,457 km (0.07 R)
• M19: 16,004,130 km (0.107 R)
• M20: 17,581,789 km (0.055 R)
• M21: 20,276,196 km (0.052 R)
• M22: 20,973,023 km (0.095 R)
• M23: 22,267,194 km (0.098 R)
• M24: 24,385,201 km (0.061 R)
• M25: 26,882,737 km (0.073 R)
• M26: 27,979,140 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.6

Radius: 13.9

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.19 AU - 5.51 AU

Year: 8542 Days

Day: 6.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,623,643 km

• M1: 198,217 km (0.119 R)
• M2: 693,386 km (0.1 R)
• M3: 1,173,894 km (0.076 R)
• M4: 2,138,502 km (0.116 R)
• M5: 3,307,011 km (0.12 R)
• M6: 4,001,145 km (0.109 R)
• M7: 5,119,538 km (0.079 R)
• M8: 6,933,562 km (0.075 R)
• M9: 8,579,887 km (0.079 R)
• M10: 9,773,827 km (0.104 R)
• M11: 16,809,565 km (0.069 R)
• M12: 18,861,898 km (0.11 R)
• M13: 25,169,543 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.7

Radius: 5.6

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 5.98 AU - 6.06 AU

Year: 10195 Days

Day: 20.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,623,643 km

• M1: 74,500 km (0.036 R)
• M2: 374,294 km (0.106 R)
• M3: 641,326 km (0.116 R)
• M4: 2,797,331 km (0.09 R)
• M5: 6,908,729 km (0.054 R)
• M6: 8,751,924 km (0.085 R)
• M7: 10,578,365 km (0.096 R)
• M8: 11,788,462 km (0.101 R)
• M9: 14,832,030 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 828.5

Radius: 6.6

Gravity: 19.02 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 6.61 AU - 10.99 AU

Year: 18019 Days

Day: 18.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 179 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,623,643 km

• M1: 82,877 km (0.071 R)
• M2: 568,173 km (0.051 R)
• M3: 897,438 km (0.046 R)
• M4: 1,867,879 km (0.049 R)
• M5: 2,580,713 km (0.119 R)
• M6: 2,973,258 km (0.111 R)
• M7: 9,927,016 km (0.087 R)
• M8: 12,581,929 km (0.04 R)
• M9: 13,277,409 km (0.11 R)
• M10: 13,562,693 km (0.116 R)
• M11: 25,006,182 km (0.05 R)
• M12: 33,769,326 km (0.04 R)
• M13: 39,636,105 km (0.103 R)
• M14: 41,581,027 km (0.073 R)
• M15: 44,061,061 km (0.099 R)
• M16: 49,484,133 km (0.111 R)
• M17: 58,522,537 km (0.053 R)
• M18: 66,707,785 km (0.111 R)
• M19: 67,125,462 km (0.118 R)
• M20: 68,601,245 km (0.092 R)
• M21: 73,158,146 km (0.058 R)
• M22: 74,945,840 km (0.194 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: 217 - 14,176 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit