🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.16 AU - 1.34 AU

Year: 518 Days

Day: 13.6 Hours

Environment

Temp: 3 °C

Axial Tilt: 22.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.49 AU - 3.63 AU

Year: 2491 Days

Day: 46.1 Hours

Environment

Temp: -124 °C

Axial Tilt: 16.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.3

Radius: 8.9

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 5.85 AU - 7.43 AU

Year: 6345 Days

Day: 10.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,871,466 km

• M1: 110,702 km (0.111 R)
• M2: 622,776 km (0.097 R)
• M3: 995,574 km (0.081 R)
• M4: 1,937,592 km (0.118 R)
• M5: 2,826,951 km (0.112 R)
• M6: 3,872,640 km (0.067 R)
• M7: 4,561,089 km (0.104 R)
• M8: 5,129,262 km (0.074 R)
• M9: 5,445,213 km (0.064 R)
• M10: 5,896,998 km (0.109 R)
• M11: 6,439,141 km (0.116 R)
• M12: 6,807,302 km (0.092 R)
• M13: 11,496,896 km (0.117 R)
• M14: 13,444,959 km (0.099 R)
• M15: 17,016,459 km (0.103 R)
• M16: 17,398,831 km (0.105 R)
• M17: 19,604,651 km (0.11 R)
• M18: 27,505,364 km (0.041 R)
• M19: 28,655,173 km (0.084 R)
• M20: 31,813,782 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.2

Radius: 10.8

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 7.64 AU - 12.4 AU

Year: 11763 Days

Day: 10 Hours

Environment

Temp: -171 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,871,466 km

• M1: 134,339 km (0.115 R)
• M2: 585,077 km (0.029 R)
• M3: 1,074,562 km (0.062 R)
• M4: 1,550,432 km (0.088 R)
• M5: 1,949,111 km (0.12 R)
• M6: 2,539,424 km (0.117 R)
• M7: 3,295,342 km (0.042 R)
• M8: 4,284,483 km (0.089 R)
• M9: 6,010,244 km (0.045 R)
• M10: 6,677,002 km (0.049 R)
• M11: 7,091,837 km (0.053 R)
• M12: 7,882,162 km (0.103 R)
• M13: 8,730,083 km (0.079 R)
• M14: 9,226,748 km (0.062 R)
• M15: 9,637,693 km (0.081 R)
• M16: 11,058,275 km (0.05 R)
• M17: 11,758,991 km (0.109 R)
• M18: 13,972,890 km (0.025 R)
• M19: 15,284,414 km (0.115 R)
• M20: 17,755,023 km (0.105 R)
• M21: 18,472,495 km (0.096 R)
• M22: 21,988,045 km (0.119 R)
• M23: 23,854,876 km (0.11 R)
• M24: 24,337,629 km (0.085 R)
• M25: 40,930,576 km (0.085 R)
• M26: 49,447,631 km (0.066 R)
• M27: 50,075,194 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.5

Radius: 9.9

Gravity: 9.51 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 9.44 AU - 12.86 AU

Year: 13808 Days

Day: 14.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 65,871,466 km

• M1: 123,119 km (0.116 R)
• M2: 649,105 km (0.091 R)
• M3: 1,402,929 km (0.028 R)
• M4: 2,081,804 km (0.076 R)
• M5: 2,443,232 km (0.083 R)
• M6: 3,320,325 km (0.044 R)
• M7: 3,993,366 km (0.072 R)
• M8: 5,535,121 km (0.115 R)
• M9: 5,956,090 km (0.104 R)
• M10: 7,258,937 km (0.058 R)
• M11: 8,001,242 km (0.099 R)
• M12: 10,078,708 km (0.12 R)
• M13: 12,687,844 km (0.098 R)
• M14: 14,610,626 km (0.081 R)
• M15: 15,267,959 km (0.05 R)
• M16: 17,197,622 km (0.106 R)
• M17: 19,897,863 km (0.082 R)
• M18: 22,771,638 km (0.069 R)
• M19: 23,954,658 km (0.108 R)
• M20: 24,358,124 km (0.082 R)
• M21: 24,971,625 km (0.082 R)
• M22: 37,176,268 km (0.107 R)
• M23: 38,538,356 km (0.1 R)
• M24: 45,388,592 km (0.115 R)
• M25: 46,473,626 km (0.047 R)
• M26: 47,576,012 km (0.111 R)
• M27: 48,857,019 km (0.096 R)
• M28: 54,384,810 km (0.096 R)
• M29: 55,961,721 km (0.081 R)
• M30: 63,340,486 km (0.103 R)
• M31: 65,674,363 km (0.103 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 377 - 19,129 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit