🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.7

Radius: 14.9

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.52 AU - 0.78 AU

Year: 349 Days

Day: 13.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 34,246,606 km

• M1: 185,352 km (0.111 R)
• M2: 904,618 km (0.058 R)
• M3: 1,708,258 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.9

Radius: 14.2

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.65 AU - 1.03 AU

Year: 513 Days

Day: 11.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,246,606 km

• M1: 176,525 km (0.092 R)
• M2: 706,700 km (0.055 R)
• M3: 1,163,123 km (0.093 R)
• M4: 1,657,544 km (0.026 R)
• M5: 2,285,257 km (0.087 R)
• M6: 2,832,785 km (0.095 R)
• M7: 3,556,989 km (0.082 R)
• M8: 4,012,514 km (0.113 R)
• M9: 5,059,101 km (0.091 R)
• M10: 5,567,883 km (0.08 R)
• M11: 6,148,323 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.6

Radius: 8

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.05 AU - 1.23 AU

Year: 812 Days

Day: 9.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 34,246,606 km

• M1: 99,632 km (0.106 R)
• M2: 735,124 km (0.087 R)
• M3: 1,065,885 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.6

Radius: 10.7

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.01 AU - 1.43 AU

Year: 899 Days

Day: 9.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,246,606 km

• M1: 133,740 km (0.096 R)
• M2: 600,187 km (0.062 R)
• M3: 974,780 km (0.113 R)
• M4: 1,501,813 km (0.06 R)
• M5: 2,046,349 km (0.044 R)
• M6: 2,433,658 km (0.099 R)
• M7: 2,921,646 km (0.075 R)
• M8: 3,474,261 km (0.11 R)
• M9: 4,502,597 km (0.036 R)
• M10: 4,918,180 km (0.105 R)
• M11: 5,868,575 km (0.12 R)
• M12: 6,727,715 km (0.106 R)
• M13: 7,419,157 km (0.087 R)
• M14: 9,226,598 km (0.108 R)
• M15: 10,110,871 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153

Radius: 11.6

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.8 AU - 2.12 AU

Year: 1830 Days

Day: 8.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,246,606 km

• M1: 144,362 km (0.117 R)
• M2: 513,420 km (0.093 R)
• M3: 1,190,649 km (0.092 R)
• M4: 1,589,477 km (0.098 R)
• M5: 2,507,410 km (0.112 R)
• M6: 4,591,757 km (0.116 R)
• M7: 6,369,728 km (0.104 R)
• M8: 7,168,281 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.2

Radius: 10.2

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.04 AU - 2.06 AU

Year: 1957 Days

Day: 13.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,246,606 km

• M1: 127,308 km (0.065 R)
• M2: 682,615 km (0.081 R)
• M3: 2,400,896 km (0.059 R)
• M4: 4,317,095 km (0.107 R)
• M5: 6,132,914 km (0.084 R)
• M6: 7,787,168 km (0.059 R)
• M7: 9,161,074 km (0.112 R)
• M8: 10,266,902 km (0.057 R)
• M9: 11,199,046 km (0.085 R)
• M10: 11,953,618 km (0.104 R)
• M11: 12,343,470 km (0.094 R)
• M12: 15,088,292 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.3

Radius: 13.2

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.83 AU - 2.47 AU

Year: 2102 Days

Day: 8.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,246,606 km

• M1: 164,109 km (0.099 R)
• M2: 616,493 km (0.063 R)
• M3: 1,292,526 km (0.049 R)
• M4: 1,731,147 km (0.113 R)
• M5: 2,762,325 km (0.065 R)
• M6: 3,473,064 km (0.057 R)
• M7: 4,341,779 km (0.086 R)
• M8: 4,807,028 km (0.062 R)
• M9: 5,743,511 km (0.082 R)
• M10: 7,204,633 km (0.106 R)
• M11: 7,656,269 km (0.075 R)
• M12: 8,247,480 km (0.083 R)
• M13: 8,679,369 km (0.111 R)
• M14: 9,622,285 km (0.111 R)
• M15: 11,369,289 km (0.056 R)
• M16: 13,361,184 km (0.107 R)
• M17: 14,932,859 km (0.05 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.7

Radius: 12.5

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.26 AU - 2.26 AU

Year: 2266 Days

Day: 7 Hours

Environment

Temp: -208 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,246,606 km

• M1: 158,424 km (0.049 R)
• M2: 670,647 km (0.11 R)
• M3: 1,384,229 km (0.041 R)
• M4: 2,074,623 km (0.102 R)
• M5: 3,642,708 km (0.088 R)
• M6: 5,249,838 km (0.114 R)
• M7: 8,166,697 km (0.096 R)
• M8: 9,866,279 km (0.078 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.3

Radius: 9.1

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.31 AU - 4.63 AU

Year: 5275 Days

Day: 12.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 34,246,606 km

• M1: 113,246 km (0.092 R)
• M2: 397,182 km (0.082 R)
• M3: 762,650 km (0.118 R)
• M4: 1,103,583 km (0.101 R)
• M5: 2,305,004 km (0.085 R)
• M6: 2,601,208 km (0.112 R)
• M7: 3,017,090 km (0.105 R)
• M8: 3,582,869 km (0.096 R)
• M9: 3,914,228 km (0.093 R)
• M10: 4,512,021 km (0.104 R)
• M11: 4,979,365 km (0.115 R)
• M12: 5,710,899 km (0.083 R)
• M13: 7,007,763 km (0.072 R)
• M14: 8,763,742 km (0.08 R)
• M15: 9,082,685 km (0.112 R)
• M16: 11,023,269 km (0.108 R)
• M17: 12,164,102 km (0.078 R)
• M18: 12,967,293 km (0.113 R)
• M19: 13,912,602 km (0.075 R)
• M20: 15,415,761 km (0.108 R)
• M21: 17,396,288 km (0.068 R)
• M22: 21,135,935 km (0.118 R)
• M23: 21,710,541 km (0.108 R)
• M24: 22,148,264 km (0.112 R)
• M25: 22,891,017 km (0.077 R)
• M26: 23,726,970 km (0.092 R)
• M27: 25,058,990 km (0.111 R)
• M28: 25,865,322 km (0.075 R)
• M29: 27,614,869 km (0.071 R)

Planet 10 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.9

Radius: 13.3

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 4.16 AU - 4.26 AU

Year: 5760 Days

Day: 11.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,246,606 km

• M1: 166,054 km (0.045 R)
• M2: 630,705 km (0.093 R)
• M3: 1,085,632 km (0.112 R)
• M4: 2,531,495 km (0.106 R)
• M5: 3,749,222 km (0.056 R)
• M6: 4,929,848 km (0.057 R)
• M7: 6,476,989 km (0.081 R)
• M8: 6,953,608 km (0.101 R)
• M9: 8,209,482 km (0.101 R)
• M10: 16,029,711 km (0.079 R)
• M11: 22,299,807 km (0.112 R)
• M12: 25,510,775 km (0.092 R)
• M13: 28,653,827 km (0.078 R)
• M14: 29,478,111 km (0.111 R)
• M15: 31,078,359 km (0.1 R)
• M16: 33,940,765 km (0.073 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 12,559 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit