🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.4

Radius: 10.1

Gravity: 8.5 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.7 AU - 0.74 AU

Year: 407 Days

Day: 7.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,665,054 km

• M1: 125,662 km (0.093 R)
• M2: 450,439 km (0.094 R)
• M3: 837,449 km (0.074 R)
• M4: 1,490,743 km (0.118 R)
• M5: 1,918,293 km (0.097 R)
• M6: 2,260,125 km (0.076 R)
• M7: 2,612,428 km (0.076 R)
• M8: 3,181,947 km (0.05 R)
• M9: 4,099,730 km (0.087 R)
• M10: 4,687,799 km (0.099 R)
• M11: 5,025,890 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.4

Radius: 10.2

Gravity: 8.21 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.69 AU - 0.99 AU

Year: 513 Days

Day: 8.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 52.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,665,054 km

• M1: 126,859 km (0.087 R)
• M2: 448,046 km (0.092 R)
• M3: 781,948 km (0.093 R)
• M4: 1,105,528 km (0.108 R)
• M5: 1,684,771 km (0.115 R)
• M6: 2,076,119 km (0.078 R)
• M7: 2,396,707 km (0.107 R)
• M8: 2,718,044 km (0.03 R)
• M9: 3,115,675 km (0.042 R)
• M10: 3,617,725 km (0.073 R)
• M11: 4,441,112 km (0.094 R)
• M12: 4,768,432 km (0.034 R)
• M13: 5,264,199 km (0.077 R)
• M14: 5,812,326 km (0.098 R)
• M15: 6,981,284 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.4

Radius: 9

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.77 AU - 1.09 AU

Year: 598 Days

Day: 5.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,665,054 km

• M1: 111,899 km (0.06 R)
• M2: 810,521 km (0.11 R)
• M3: 1,196,933 km (0.115 R)
• M4: 1,812,378 km (0.088 R)
• M5: 2,290,343 km (0.078 R)
• M6: 3,593,939 km (0.07 R)
• M7: 4,167,647 km (0.085 R)
• M8: 5,037,409 km (0.03 R)
• M9: 5,479,022 km (0.088 R)
• M10: 5,869,772 km (0.103 R)
• M11: 6,521,420 km (0.108 R)
• M12: 7,046,658 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.1

Radius: 13

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.98 AU - 1.46 AU

Year: 899 Days

Day: 7.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,665,054 km

• M1: 162,314 km (0.079 R)
• M2: 587,770 km (0.117 R)
• M3: 1,050,327 km (0.107 R)
• M4: 1,690,755 km (0.031 R)
• M5: 2,926,882 km (0.104 R)
• M6: 3,434,618 km (0.098 R)
• M7: 3,956,415 km (0.117 R)
• M8: 5,019,757 km (0.104 R)
• M9: 5,965,365 km (0.116 R)
• M10: 6,408,623 km (0.088 R)
• M11: 7,338,673 km (0.102 R)
• M12: 7,991,518 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.5

Radius: 11.1

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.27 AU - 2.99 AU

Year: 2844 Days

Day: 9.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,665,054 km

• M1: 138,976 km (0.049 R)
• M2: 940,971 km (0.12 R)
• M3: 2,045,003 km (0.048 R)
• M4: 3,595,884 km (0.115 R)
• M5: 5,910,911 km (0.084 R)
• M6: 6,586,495 km (0.112 R)
• M7: 8,353,844 km (0.054 R)
• M8: 8,956,275 km (0.083 R)
• M9: 10,763,118 km (0.053 R)
• M10: 12,998,559 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647

Radius: 8.4

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.83 AU - 4.31 AU

Year: 5475 Days

Day: 7.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,665,054 km

• M1: 120,576 km (0.089 R)
• M2: 386,710 km (0.06 R)
• M3: 742,753 km (0.079 R)
• M4: 1,057,208 km (0.108 R)
• M5: 2,235,142 km (0.03 R)
• M6: 3,098,770 km (0.11 R)
• M7: 3,487,874 km (0.084 R)
• M8: 6,257,230 km (0.077 R)
• M9: 8,483,546 km (0.079 R)
• M10: 9,082,835 km (0.095 R)
• M11: 11,475,802 km (0.118 R)
• M12: 13,767,642 km (0.076 R)
• M13: 15,630,883 km (0.06 R)
• M14: 17,848,672 km (0.103 R)
• M15: 20,128,543 km (0.088 R)
• M16: 21,483,601 km (0.095 R)
• M17: 22,671,109 km (0.119 R)
• M18: 25,095,342 km (0.106 R)
• M19: 28,384,102 km (0.042 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.7

Radius: 11.1

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.03 AU - 6.65 AU

Year: 8229 Days

Day: 13.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,665,054 km

• M1: 138,228 km (0.074 R)
• M2: 524,490 km (0.075 R)
• M3: 956,828 km (0.084 R)
• M4: 2,090,032 km (0.096 R)
• M5: 2,986,721 km (0.062 R)
• M6: 4,398,327 km (0.1 R)
• M7: 5,593,165 km (0.115 R)
• M8: 6,141,741 km (0.059 R)
• M9: 6,688,371 km (0.117 R)
• M10: 8,748,035 km (0.097 R)
• M11: 10,269,894 km (0.083 R)
• M12: 11,040,921 km (0.105 R)
• M13: 12,931,689 km (0.092 R)
• M14: 14,643,537 km (0.071 R)
• M15: 16,779,346 km (0.116 R)
• M16: 19,268,056 km (0.041 R)
• M17: 20,761,043 km (0.085 R)
• M18: 21,909,655 km (0.106 R)
• M19: 25,888,510 km (0.098 R)
• M20: 36,404,791 km (0.091 R)
• M21: 40,796,237 km (0.066 R)
• M22: 44,446,874 km (0.113 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 235 - 11,947 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit