🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.5

Radius: 9.7

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.55 AU - 0.63 AU

Year: 307 Days

Day: 8.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,180,212 km

• M1: 121,922 km (0.118 R)
• M2: 438,621 km (0.105 R)
• M3: 1,098,946 km (0.076 R)
• M4: 1,915,152 km (0.109 R)
• M5: 2,255,637 km (0.039 R)
• M6: 3,197,804 km (0.036 R)
• M7: 4,009,073 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.4

Radius: 13.4

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.15 AU - 1.37 AU

Year: 959 Days

Day: 10.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,180,212 km

• M1: 166,802 km (0.077 R)
• M2: 630,555 km (0.095 R)
• M3: 1,206,806 km (0.069 R)
• M4: 1,715,888 km (0.101 R)
• M5: 2,972,360 km (0.043 R)
• M6: 3,691,477 km (0.085 R)
• M7: 4,192,181 km (0.104 R)
• M8: 5,063,888 km (0.091 R)
• M9: 6,072,776 km (0.113 R)
• M10: 7,552,149 km (0.113 R)
• M11: 8,364,167 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.2

Radius: 14.4

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.2 AU - 1.88 AU

Year: 1296 Days

Day: 10.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 62,180,212 km

• M1: 179,069 km (0.036 R)
• M2: 689,197 km (0.039 R)
• M3: 2,596,421 km (0.073 R)
• M4: 3,891,789 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.9

Radius: 11.8

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.26 AU - 1.98 AU

Year: 1399 Days

Day: 11.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,180,212 km

• M1: 146,756 km (0.075 R)
• M2: 661,073 km (0.12 R)
• M3: 1,703,621 km (0.111 R)
• M4: 2,778,631 km (0.055 R)
• M5: 3,265,123 km (0.114 R)
• M6: 3,984,838 km (0.061 R)
• M7: 4,383,068 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485

Radius: 9.9

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.83 AU - 2.11 AU

Year: 1875 Days

Day: 7.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,180,212 km

• M1: 123,119 km (0.071 R)
• M2: 434,283 km (0.084 R)
• M3: 878,439 km (0.096 R)
• M4: 1,188,106 km (0.117 R)
• M5: 1,509,143 km (0.105 R)
• M6: 1,846,935 km (0.117 R)
• M7: 2,307,846 km (0.082 R)
• M8: 2,915,064 km (0.111 R)
• M9: 3,608,899 km (0.04 R)
• M10: 4,093,746 km (0.033 R)
• M11: 4,641,424 km (0.083 R)
• M12: 5,152,001 km (0.093 R)
• M13: 5,587,181 km (0.087 R)
• M14: 6,310,188 km (0.108 R)
• M15: 6,808,947 km (0.052 R)
• M16: 7,226,624 km (0.069 R)
• M17: 7,551,252 km (0.11 R)
• M18: 8,317,043 km (0.118 R)
• M19: 9,513,677 km (0.116 R)
• M20: 10,304,900 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.9

Radius: 9.8

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.75 AU - 2.77 AU

Year: 2304 Days

Day: 7.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 62,180,212 km

• M1: 134,488 km (0.037 R)
• M2: 528,679 km (0.083 R)
• M3: 1,104,780 km (0.081 R)
• M4: 1,707,360 km (0.111 R)
• M5: 2,442,484 km (0.057 R)
• M6: 2,806,905 km (0.043 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59

Radius: 8.4

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.13 AU - 4.43 AU

Year: 6006 Days

Day: 10.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,180,212 km

• M1: 104,569 km (0.062 R)
• M2: 395,686 km (0.071 R)
• M3: 785,239 km (0.074 R)
• M4: 1,310,926 km (0.083 R)
• M5: 1,822,102 km (0.1 R)
• M6: 3,352,787 km (0.081 R)
• M7: 3,688,036 km (0.098 R)
• M8: 5,193,140 km (0.117 R)
• M9: 5,620,093 km (0.086 R)
• M10: 7,852,392 km (0.12 R)
• M11: 8,784,836 km (0.068 R)
• M12: 10,128,973 km (0.075 R)
• M13: 10,653,313 km (0.112 R)
• M14: 11,159,104 km (0.108 R)
• M15: 11,642,903 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 550.4

Radius: 4.8

Gravity: 23.89 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 7.79 AU - 8.99 AU

Year: 16483 Days

Day: 22.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 62,180,212 km

• M1: 60,288 km (0.113 R)
• M2: 422,016 km (0.085 R)
• M3: 594,801 km (0.08 R)
• M4: 767,287 km (0.075 R)
• M5: 1,018,761 km (0.062 R)
• M6: 1,202,767 km (0.116 R)
• M7: 2,271,943 km (0.093 R)
• M8: 2,458,491 km (0.062 R)
• M9: 4,964,405 km (0.098 R)
• M10: 5,208,399 km (0.116 R)
• M11: 6,427,173 km (0.073 R)
• M12: 6,844,252 km (0.048 R)
• M13: 7,965,339 km (0.073 R)
• M14: 8,794,410 km (0.104 R)
• M15: 9,519,062 km (0.112 R)
• M16: 10,171,159 km (0.049 R)
• M17: 11,443,340 km (0.085 R)
• M18: 11,931,178 km (0.106 R)
• M19: 14,021,659 km (0.063 R)
• M20: 15,225,772 km (0.106 R)
• M21: 15,445,232 km (0.07 R)
• M22: 22,671,258 km (0.088 R)
• M23: 24,725,536 km (0.077 R)
• M24: 27,007,502 km (0.067 R)
• M25: 27,436,848 km (0.101 R)
• M26: 30,109,713 km (0.03 R)
• M27: 33,441,258 km (0.109 R)
• M28: 35,579,460 km (0.115 R)
• M29: 36,485,724 km (0.06 R)
• M30: 44,445,827 km (0.119 R)
• M31: 46,563,983 km (0.093 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 270 - 18,065 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit