🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.5

Radius: 9.2

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.36 AU - 1.36 AU

Year: 1040 Days

Day: 9.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,966,434 km

• M1: 114,442 km (0.114 R)
• M2: 435,031 km (0.108 R)
• M3: 841,937 km (0.062 R)
• M4: 1,236,576 km (0.083 R)
• M5: 1,761,964 km (0.117 R)
• M6: 2,343,301 km (0.108 R)
• M7: 2,656,110 km (0.082 R)
• M8: 3,138,414 km (0.088 R)
• M9: 3,707,484 km (0.101 R)
• M10: 4,343,873 km (0.119 R)
• M11: 5,423,222 km (0.115 R)
• M12: 6,694,206 km (0.113 R)
• M13: 7,541,378 km (0.094 R)
• M14: 8,228,780 km (0.101 R)
• M15: 8,771,372 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237

Radius: 9.2

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.38 AU - 1.46 AU

Year: 1110 Days

Day: 11 Hours

Environment

Temp: -179 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,966,434 km

• M1: 114,891 km (0.102 R)
• M2: 465,848 km (0.101 R)
• M3: 859,739 km (0.102 R)
• M4: 1,869,824 km (0.095 R)
• M5: 2,641,001 km (0.12 R)
• M6: 3,056,883 km (0.081 R)
• M7: 4,049,914 km (0.119 R)
• M8: 4,572,609 km (0.11 R)
• M9: 6,353,870 km (0.066 R)
• M10: 7,190,272 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.6

Radius: 11.3

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.15 AU - 1.85 AU

Year: 1205 Days

Day: 6.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,966,434 km

• M1: 140,622 km (0.085 R)
• M2: 607,816 km (0.107 R)
• M3: 1,037,760 km (0.109 R)
• M4: 1,808,189 km (0.079 R)
• M5: 2,270,746 km (0.094 R)
• M6: 3,196,009 km (0.06 R)
• M7: 3,752,962 km (0.099 R)
• M8: 4,305,427 km (0.078 R)
• M9: 5,119,389 km (0.07 R)
• M10: 5,905,226 km (0.062 R)
• M11: 7,244,726 km (0.062 R)
• M12: 9,342,537 km (0.101 R)
• M13: 9,812,424 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.6

Radius: 11.4

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.44 AU - 1.72 AU

Year: 1303 Days

Day: 8.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,966,434 km

• M1: 141,968 km (0.078 R)
• M2: 550,221 km (0.071 R)
• M3: 1,112,260 km (0.101 R)
• M4: 1,481,617 km (0.119 R)
• M5: 1,852,770 km (0.026 R)
• M6: 2,252,046 km (0.087 R)
• M7: 2,682,739 km (0.087 R)
• M8: 3,761,788 km (0.052 R)
• M9: 4,281,491 km (0.115 R)
• M10: 5,359,194 km (0.088 R)
• M11: 5,726,606 km (0.059 R)
• M12: 6,273,985 km (0.098 R)
• M13: 6,781,421 km (0.066 R)
• M14: 8,213,073 km (0.097 R)
• M15: 12,546,624 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986

Radius: 13.3

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.31 AU - 2.31 AU

Year: 2303 Days

Day: 12.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 72.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,966,434 km

• M1: 165,455 km (0.091 R)
• M2: 657,333 km (0.025 R)
• M3: 1,138,141 km (0.087 R)
• M4: 1,659,788 km (0.105 R)
• M5: 2,872,578 km (0.119 R)
• M6: 3,448,530 km (0.06 R)
• M7: 3,999,798 km (0.115 R)
• M8: 4,654,139 km (0.026 R)
• M9: 5,208,848 km (0.099 R)
• M10: 8,505,387 km (0.095 R)
• M11: 9,230,787 km (0.061 R)
• M12: 12,421,410 km (0.111 R)
• M13: 13,084,129 km (0.106 R)
• M14: 15,115,518 km (0.086 R)
• M15: 17,458,371 km (0.076 R)
• M16: 18,010,237 km (0.105 R)
• M17: 18,917,548 km (0.108 R)
• M18: 19,736,148 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.9

Radius: 13.4

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.98 AU - 3.1 AU

Year: 2656 Days

Day: 14.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,966,434 km

• M1: 169,794 km (0.097 R)
• M2: 619,784 km (0.047 R)
• M3: 1,853,069 km (0.108 R)
• M4: 2,800,173 km (0.116 R)
• M5: 3,455,711 km (0.088 R)
• M6: 5,488,746 km (0.115 R)
• M7: 6,804,908 km (0.082 R)
• M8: 7,677,512 km (0.104 R)
• M9: 8,897,782 km (0.111 R)
• M10: 9,755,876 km (0.105 R)
• M11: 11,679,106 km (0.109 R)
• M12: 13,750,288 km (0.037 R)
• M13: 14,364,088 km (0.073 R)
• M14: 19,243,672 km (0.086 R)

Asteroid Belt

Center: 4.64 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 33.7

Radius: 7.8

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.05 AU - 7.43 AU

Year: 11479 Days

Day: 18.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,966,434 km

• M1: 111,450 km (0.12 R)
• M2: 695,780 km (0.109 R)
• M3: 1,091,167 km (0.069 R)
• M4: 1,557,314 km (0.104 R)
• M5: 2,150,170 km (0.062 R)
• M6: 4,640,825 km (0.085 R)
• M7: 6,174,203 km (0.099 R)
• M8: 8,775,261 km (0.102 R)
• M9: 9,153,595 km (0.115 R)
• M10: 12,539,443 km (0.114 R)
• M11: 16,783,385 km (0.102 R)
• M12: 17,153,041 km (0.069 R)
• M13: 19,197,745 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 599.6

Radius: 5.8

Gravity: 17.82 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 6.86 AU - 7.88 AU

Year: 13125 Days

Day: 22.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 54,966,434 km

• M1: 72,555 km (0.069 R)
• M2: 272,567 km (0.109 R)
• M3: 714,180 km (0.115 R)
• M4: 982,409 km (0.042 R)
• M5: 2,405,534 km (0.118 R)
• M6: 2,990,162 km (0.06 R)
• M7: 3,718,704 km (0.12 R)
• M8: 4,256,508 km (0.057 R)
• M9: 6,295,976 km (0.116 R)
• M10: 7,483,185 km (0.074 R)
• M11: 9,105,873 km (0.096 R)
• M12: 9,355,402 km (0.07 R)
• M13: 9,660,881 km (0.073 R)
• M14: 10,184,773 km (0.056 R)
• M15: 10,672,312 km (0.101 R)
• M16: 11,231,958 km (0.086 R)
• M17: 11,811,051 km (0.103 R)
• M18: 13,668,009 km (0.113 R)
• M19: 15,287,107 km (0.092 R)
• M20: 15,710,918 km (0.087 R)
• M21: 17,949,052 km (0.053 R)
• M22: 18,739,976 km (0.081 R)
• M23: 20,391,087 km (0.1 R)
• M24: 21,957,826 km (0.104 R)
• M25: 22,226,504 km (0.112 R)
• M26: 23,323,355 km (0.092 R)
• M27: 26,122,331 km (0.057 R)
• M28: 27,654,363 km (0.1 R)
• M29: 29,137,327 km (0.077 R)
• M30: 32,958,056 km (0.108 R)
• M31: 39,295,022 km (0.094 R)
• M32: 45,812,104 km (0.038 R)
• M33: 47,137,092 km (0.076 R)
• M34: 48,336,119 km (0.114 R)
• M35: 50,017,898 km (0.079 R)
• M36: 53,821,724 km (0.111 R)
• M37: 54,637,780 km (0.06 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 483 - 17,145 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit