🌌 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: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.3

Radius: 11

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.65 AU - 0.77 AU

Year: 413 Days

Day: 13.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,033,855 km

• M1: 137,480 km (0.113 R)
• M2: 508,184 km (0.068 R)
• M3: 916,586 km (0.107 R)
• M4: 1,484,160 km (0.088 R)
• M5: 1,838,707 km (0.038 R)
• M6: 2,401,046 km (0.094 R)
• M7: 2,823,959 km (0.093 R)
• M8: 3,388,093 km (0.072 R)
• M9: 3,759,095 km (0.115 R)
• M10: 4,264,736 km (0.088 R)
• M11: 4,934,187 km (0.091 R)
• M12: 5,286,490 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.8

Radius: 12.1

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.97 AU - 1.27 AU

Year: 818 Days

Day: 14.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,033,855 km

• M1: 150,944 km (0.073 R)
• M2: 706,850 km (0.106 R)
• M3: 1,137,841 km (0.073 R)
• M4: 1,808,638 km (0.092 R)
• M5: 3,392,581 km (0.041 R)
• M6: 4,500,652 km (0.071 R)
• M7: 5,408,561 km (0.072 R)
• M8: 5,796,469 km (0.116 R)
• M9: 6,938,050 km (0.098 R)
• M10: 7,326,855 km (0.065 R)
• M11: 7,876,328 km (0.118 R)
• M12: 9,084,630 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.8

Radius: 14.4

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.39 AU - 2.65 AU

Year: 2761 Days

Day: 12.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 21,033,855 km

• M1: 179,069 km (0.117 R)
• M2: 633,547 km (0.107 R)
• M3: 1,723,517 km (0.078 R)
• M4: 2,419,895 km (0.109 R)
• M5: 2,946,779 km (0.082 R)
• M6: 3,441,050 km (0.095 R)
• M7: 4,214,920 km (0.067 R)
• M8: 4,892,299 km (0.051 R)
• M9: 6,777,831 km (0.107 R)
• M10: 10,093,518 km (0.111 R)
• M11: 11,392,027 km (0.11 R)
• M12: 11,975,609 km (0.108 R)
• M13: 12,710,882 km (0.041 R)
• M14: 14,224,065 km (0.038 R)
• M15: 15,148,280 km (0.09 R)
• M16: 18,105,980 km (0.049 R)
• M17: 18,901,841 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.6

Radius: 14.3

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.48 AU - 3.12 AU

Year: 3234 Days

Day: 5.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 21,033,855 km

• M1: 177,872 km (0.11 R)
• M2: 675,135 km (0.117 R)
• M3: 1,533,827 km (0.096 R)
• M4: 4,480,456 km (0.113 R)
• M5: 6,021,763 km (0.09 R)
• M6: 9,370,661 km (0.075 R)
• M7: 10,420,688 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.5

Radius: 9.3

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.12 AU - 3.12 AU

Year: 3804 Days

Day: 14.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 21,033,855 km

• M1: 116,537 km (0.03 R)
• M2: 414,536 km (0.082 R)
• M3: 889,509 km (0.116 R)
• M4: 1,230,143 km (0.055 R)
• M5: 1,526,497 km (0.064 R)
• M6: 2,243,968 km (0.085 R)
• M7: 2,572,036 km (0.094 R)
• M8: 2,961,439 km (0.079 R)
• M9: 3,807,116 km (0.043 R)
• M10: 4,585,324 km (0.113 R)
• M11: 5,033,220 km (0.059 R)
• M12: 5,532,578 km (0.101 R)
• M13: 7,285,117 km (0.109 R)
• M14: 8,155,777 km (0.099 R)
• M15: 11,293,293 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.8

Radius: 14.8

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.87 AU - 3.49 AU

Year: 3914 Days

Day: 9.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,033,855 km

• M1: 184,155 km (0.118 R)
• M2: 910,303 km (0.099 R)
• M3: 1,568,384 km (0.074 R)
• M4: 2,663,740 km (0.06 R)
• M5: 4,889,008 km (0.082 R)
• M6: 5,746,054 km (0.082 R)
• M7: 6,566,299 km (0.099 R)
• M8: 8,188,838 km (0.093 R)
• M9: 9,364,827 km (0.051 R)
• M10: 11,414,617 km (0.049 R)
• M11: 12,378,925 km (0.094 R)
• M12: 15,122,400 km (0.032 R)
• M13: 17,094,249 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.5

Radius: 13.4

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.69 AU - 3.75 AU

Year: 4953 Days

Day: 5.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 21,033,855 km

• M1: 169,644 km (0.115 R)
• M2: 759,508 km (0.109 R)
• M3: 1,177,335 km (0.083 R)
• M4: 1,699,282 km (0.1 R)
• M5: 2,180,838 km (0.055 R)
• M6: 2,900,254 km (0.085 R)
• M7: 3,389,738 km (0.042 R)
• M8: 3,955,069 km (0.045 R)
• M9: 4,537,453 km (0.048 R)
• M10: 5,929,760 km (0.039 R)
• M11: 6,519,625 km (0.105 R)
• M12: 7,210,468 km (0.116 R)
• M13: 9,318,152 km (0.084 R)
• M14: 10,473,646 km (0.12 R)
• M15: 11,086,249 km (0.047 R)
• M16: 14,415,400 km (0.045 R)
• M17: 15,641,953 km (0.031 R)
• M18: 16,280,736 km (0.097 R)
• M19: 17,954,138 km (0.083 R)
• M20: 19,862,558 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.4

Radius: 14.9

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.89 AU - 5.37 AU

Year: 6877 Days

Day: 14 Hours

Environment

Temp: -218 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 21,033,855 km

• M1: 187,147 km (0.078 R)
• M2: 693,835 km (0.087 R)
• M3: 1,182,571 km (0.053 R)
• M4: 1,889,571 km (0.086 R)
• M5: 3,099,967 km (0.09 R)
• M6: 3,730,223 km (0.1 R)
• M7: 4,232,124 km (0.089 R)
• M8: 4,917,581 km (0.081 R)
• M9: 6,568,693 km (0.118 R)
• M10: 7,584,313 km (0.09 R)
• M11: 8,668,000 km (0.049 R)
• M12: 10,193,599 km (0.113 R)
• M13: 12,586,566 km (0.107 R)
• M14: 14,152,258 km (0.063 R)
• M15: 16,739,553 km (0.087 R)
• M16: 17,779,557 km (0.115 R)
• M17: 18,862,347 km (0.117 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: 473 - 11,781 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit