🌌 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: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.6

Radius: 8.8

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.67 AU - 0.85 AU

Year: 449 Days

Day: 5 Hours

Environment

Temp: -158 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 86,832,058 km

• M1: 109,506 km (0.037 R)
• M2: 409,898 km (0.118 R)
• M3: 693,087 km (0.103 R)
• M4: 997,818 km (0.072 R)
• M5: 1,972,149 km (0.083 R)
• M6: 2,264,762 km (0.109 R)
• M7: 2,619,309 km (0.088 R)
• M8: 3,149,783 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.4

Radius: 13.8

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.86 AU - 1 AU

Year: 608 Days

Day: 7 Hours

Environment

Temp: -163 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 86,832,058 km

• M1: 171,738 km (0.114 R)
• M2: 662,719 km (0.06 R)
• M3: 1,105,528 km (0.034 R)
• M4: 1,586,336 km (0.115 R)
• M5: 2,241,425 km (0.106 R)
• M6: 2,815,881 km (0.076 R)
• M7: 3,543,824 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.6

Radius: 10.2

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.95 AU - 1.27 AU

Year: 793 Days

Day: 10 Hours

Environment

Temp: -184 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,832,058 km

• M1: 127,308 km (0.094 R)
• M2: 557,850 km (0.091 R)
• M3: 964,906 km (0.085 R)
• M4: 1,300,604 km (0.114 R)
• M5: 1,820,606 km (0.071 R)
• M6: 2,237,835 km (0.082 R)
• M7: 2,600,161 km (0.101 R)
• M8: 3,036,986 km (0.115 R)
• M9: 3,457,506 km (0.114 R)
• M10: 3,944,896 km (0.106 R)
• M11: 5,040,850 km (0.057 R)
• M12: 5,760,266 km (0.07 R)
• M13: 6,546,552 km (0.111 R)
• M14: 7,230,215 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.1

Radius: 11.5

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.18 AU - 3.42 AU

Year: 3178 Days

Day: 14.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,832,058 km

• M1: 143,016 km (0.1 R)
• M2: 747,989 km (0.086 R)
• M3: 1,213,239 km (0.114 R)
• M4: 2,023,461 km (0.102 R)
• M5: 2,804,062 km (0.105 R)
• M6: 3,422,650 km (0.046 R)
• M7: 3,898,072 km (0.06 R)
• M8: 6,971,560 km (0.095 R)
• M9: 7,973,267 km (0.101 R)
• M10: 8,597,539 km (0.108 R)
• M11: 9,480,466 km (0.049 R)
• M12: 11,340,267 km (0.073 R)
• M13: 12,040,684 km (0.043 R)
• M14: 13,576,605 km (0.051 R)
• M15: 15,555,635 km (0.12 R)
• M16: 17,317,599 km (0.059 R)
• M17: 18,965,270 km (0.111 R)
• M18: 19,516,389 km (0.112 R)
• M19: 21,299,745 km (0.104 R)
• M20: 22,231,141 km (0.078 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 571.7

Radius: 4.2

Gravity: 32.41 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.35 AU - 6.33 AU

Year: 9572 Days

Day: 16.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,832,058 km

• M1: 52,210 km (0.081 R)
• M2: 407,804 km (0.071 R)
• M3: 564,283 km (0.037 R)
• M4: 933,192 km (0.086 R)
• M5: 1,961,677 km (0.094 R)
• M6: 3,136,319 km (0.112 R)
• M7: 3,484,733 km (0.043 R)
• M8: 3,936,369 km (0.113 R)
• M9: 4,626,763 km (0.103 R)
• M10: 5,108,917 km (0.094 R)
• M11: 6,607,140 km (0.109 R)
• M12: 7,061,618 km (0.06 R)
• M13: 9,699,178 km (0.066 R)
• M14: 9,892,159 km (0.107 R)
• M15: 10,587,640 km (0.101 R)
• M16: 20,589,604 km (0.066 R)
• M17: 29,281,390 km (0.096 R)
• M18: 32,181,494 km (0.093 R)
• M19: 40,257,236 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 100.2

Radius: 5.4

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 5.25 AU - 6.87 AU

Year: 10118 Days

Day: 20.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,832,058 km

• M1: 70,161 km (0.09 R)
• M2: 589,416 km (0.112 R)
• M3: 1,183,918 km (0.037 R)
• M4: 2,892,325 km (0.1 R)
• M5: 5,175,787 km (0.106 R)
• M6: 5,633,407 km (0.065 R)
• M7: 9,038,703 km (0.064 R)
• M8: 13,409,504 km (0.103 R)
• M9: 14,426,321 km (0.069 R)
• M10: 15,006,910 km (0.106 R)
• M11: 18,636,005 km (0.062 R)
• M12: 19,387,884 km (0.041 R)
• M13: 20,752,067 km (0.075 R)
• M14: 23,165,679 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762.5

Radius: 7.7

Gravity: 12.86 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 8.59 AU - 12.43 AU

Year: 23110 Days

Day: 24.2 Hours

Environment

Temp: -246 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 86,832,058 km

• M1: 95,892 km (0.037 R)
• M2: 544,835 km (0.085 R)
• M3: 1,031,926 km (0.049 R)
• M4: 1,899,594 km (0.12 R)
• M5: 2,884,995 km (0.109 R)
• M6: 3,156,515 km (0.119 R)
• M7: 3,445,089 km (0.055 R)
• M8: 3,719,751 km (0.097 R)
• M9: 5,605,283 km (0.063 R)
• M10: 6,660,546 km (0.04 R)
• M11: 7,384,001 km (0.029 R)
• M12: 8,538,298 km (0.108 R)
• M13: 8,929,646 km (0.066 R)
• M14: 9,869,121 km (0.096 R)
• M15: 10,425,625 km (0.088 R)
• M16: 11,805,666 km (0.09 R)
• M17: 13,829,575 km (0.051 R)
• M18: 25,603,077 km (0.039 R)
• M19: 26,182,769 km (0.08 R)
• M20: 26,534,773 km (0.074 R)
• M21: 31,933,311 km (0.046 R)
• M22: 33,837,692 km (0.074 R)
• M23: 43,022,702 km (0.105 R)
• M24: 44,838,671 km (0.109 R)
• M25: 46,020,494 km (0.062 R)
• M26: 51,138,387 km (0.03 R)
• M27: 53,739,594 km (0.099 R)
• M28: 57,015,189 km (0.071 R)
• M29: 59,002,896 km (0.107 R)
• M30: 61,655,266 km (0.105 R)
• M31: 63,960,869 km (0.039 R)
• M32: 65,027,651 km (0.113 R)
• M33: 77,074,618 km (0.079 R)
• M34: 80,241,007 km (0.109 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 13,654 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit