🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.48 AU - 0.56 AU

Year: 246 Days

Day: 38.6 Hours

Environment

Temp: -116 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,724,213 km

• M1: 316,549 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.2

Radius: 9.3

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.93 AU - 0.97 AU

Year: 607 Days

Day: 12.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,724,213 km

• M1: 115,938 km (0.06 R)
• M2: 435,031 km (0.06 R)
• M3: 737,218 km (0.084 R)
• M4: 1,062,145 km (0.102 R)
• M5: 1,402,031 km (0.096 R)
• M6: 1,751,193 km (0.059 R)
• M7: 2,395,062 km (0.045 R)
• M8: 2,810,495 km (0.093 R)
• M9: 3,384,502 km (0.109 R)
• M10: 3,693,123 km (0.081 R)
• M11: 4,048,866 km (0.067 R)
• M12: 4,533,264 km (0.073 R)
• M13: 4,845,325 km (0.066 R)
• M14: 6,470,856 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.4

Radius: 10.8

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.06 AU - 1.36 AU

Year: 873 Days

Day: 10.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,724,213 km

• M1: 136,134 km (0.09 R)
• M2: 513,869 km (0.059 R)
• M3: 849,866 km (0.09 R)
• M4: 1,313,469 km (0.075 R)
• M5: 2,235,890 km (0.082 R)
• M6: 2,669,724 km (0.105 R)
• M7: 3,477,253 km (0.117 R)
• M8: 4,101,076 km (0.1 R)
• M9: 4,940,769 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46

Radius: 13

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.55 AU - 1.95 AU

Year: 1519 Days

Day: 14 Hours

Environment

Temp: -181 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,724,213 km

• M1: 161,715 km (0.084 R)
• M2: 678,875 km (0.08 R)
• M3: 1,507,947 km (0.049 R)
• M4: 2,325,798 km (0.099 R)
• M5: 4,126,059 km (0.066 R)
• M6: 4,662,218 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.2

Radius: 13.3

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.33 AU - 3.19 AU

Year: 3008 Days

Day: 6.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,724,213 km

• M1: 172,337 km (0.104 R)
• M2: 960,269 km (0.078 R)
• M3: 1,944,772 km (0.077 R)
• M4: 2,595,673 km (0.033 R)
• M5: 3,555,193 km (0.06 R)
• M6: 3,996,806 km (0.114 R)
• M7: 4,595,647 km (0.102 R)
• M8: 6,786,059 km (0.115 R)
• M9: 7,218,995 km (0.114 R)
• M10: 7,785,971 km (0.093 R)
• M11: 8,945,504 km (0.052 R)
• M12: 10,428,617 km (0.08 R)
• M13: 14,399,992 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.7

Radius: 11.3

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.3 AU - 3.38 AU

Year: 4004 Days

Day: 9.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,724,213 km

• M1: 140,472 km (0.12 R)
• M2: 761,902 km (0.086 R)
• M3: 1,238,521 km (0.071 R)
• M4: 4,392,941 km (0.04 R)
• M5: 6,056,619 km (0.114 R)
• M6: 7,834,740 km (0.062 R)
• M7: 8,571,958 km (0.097 R)
• M8: 10,508,203 km (0.066 R)
• M9: 12,190,581 km (0.079 R)
• M10: 12,679,018 km (0.078 R)
• M11: 13,138,283 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.2

Radius: 10

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.26 AU - 4.56 AU

Year: 6075 Days

Day: 10.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,724,213 km

• M1: 124,316 km (0.109 R)
• M2: 564,433 km (0.118 R)
• M3: 1,123,330 km (0.079 R)
• M4: 1,660,536 km (0.112 R)
• M5: 2,012,989 km (0.073 R)
• M6: 3,283,823 km (0.105 R)
• M7: 4,510,974 km (0.087 R)
• M8: 5,183,117 km (0.096 R)
• M9: 5,772,683 km (0.119 R)
• M10: 6,250,049 km (0.063 R)
• M11: 7,842,220 km (0.098 R)
• M12: 8,178,067 km (0.047 R)
• M13: 8,911,844 km (0.088 R)
• M14: 9,481,812 km (0.118 R)
• M15: 10,843,901 km (0.085 R)
• M16: 11,223,131 km (0.086 R)
• M17: 12,537,648 km (0.079 R)
• M18: 13,382,876 km (0.041 R)
• M19: 14,813,331 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360

Radius: 11.6

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.58 AU - 6.14 AU

Year: 8141 Days

Day: 8.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,724,213 km

• M1: 144,512 km (0.091 R)
• M2: 552,764 km (0.09 R)
• M3: 971,788 km (0.113 R)
• M4: 6,970,962 km (0.076 R)
• M5: 7,728,824 km (0.065 R)
• M6: 11,465,929 km (0.074 R)
• M7: 12,264,781 km (0.068 R)
• M8: 17,531,374 km (0.087 R)
• M9: 19,553,788 km (0.057 R)
• M10: 20,985,739 km (0.095 R)
• M11: 21,953,188 km (0.112 R)
• M12: 22,794,826 km (0.11 R)
• M13: 25,532,617 km (0.112 R)
• M14: 33,523,088 km (0.095 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 11,758 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit