🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.57 AU - 0.71 AU

Year: 326 Days

Day: 28.4 Hours

Environment

Temp: -126 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.3

Radius: 8.9

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.78 AU - 1.08 AU

Year: 570 Days

Day: 7.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,274,632 km

• M1: 110,702 km (0.098 R)
• M2: 415,882 km (0.098 R)
• M3: 992,432 km (0.073 R)
• M4: 1,407,866 km (0.119 R)
• M5: 1,879,248 km (0.095 R)
• M6: 2,644,292 km (0.1 R)
• M7: 3,001,232 km (0.096 R)
• M8: 3,799,038 km (0.078 R)
• M9: 4,283,735 km (0.109 R)
• M10: 5,444,615 km (0.075 R)
• M11: 6,434,504 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.9

Radius: 8.5

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.15 AU - 2.17 AU

Year: 2018 Days

Day: 11.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,274,632 km

• M1: 105,766 km (0.053 R)
• M2: 453,581 km (0.097 R)
• M3: 827,875 km (0.089 R)
• M4: 1,646,624 km (0.074 R)
• M5: 2,395,062 km (0.112 R)
• M6: 3,837,036 km (0.101 R)
• M7: 4,699,916 km (0.073 R)
• M8: 5,745,157 km (0.103 R)
• M9: 6,270,395 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.5

Radius: 8.9

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.79 AU - 2.87 AU

Year: 2261 Days

Day: 7.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,274,632 km

• M1: 110,702 km (0.076 R)
• M2: 397,033 km (0.05 R)
• M3: 712,385 km (0.107 R)
• M4: 1,335,610 km (0.116 R)
• M5: 1,654,552 km (0.066 R)
• M6: 2,683,187 km (0.111 R)
• M7: 3,759,394 km (0.112 R)
• M8: 4,866,868 km (0.103 R)
• M9: 6,475,942 km (0.031 R)
• M10: 7,274,795 km (0.103 R)
• M11: 7,763,681 km (0.097 R)
• M12: 9,392,502 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 824

Radius: 4.9

Gravity: 34.32 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 5.98 AU - 7.64 AU

Year: 11299 Days

Day: 21.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 76,274,632 km

• M1: 61,036 km (0.089 R)
• M2: 262,694 km (0.112 R)
• M3: 673,490 km (0.106 R)
• M4: 863,479 km (0.053 R)
• M5: 1,172,548 km (0.043 R)
• M6: 1,567,486 km (0.12 R)
• M7: 1,992,494 km (0.077 R)
• M8: 2,349,135 km (0.053 R)
• M9: 3,596,482 km (0.073 R)
• M10: 3,952,525 km (0.114 R)
• M11: 4,545,681 km (0.095 R)
• M12: 4,798,800 km (0.084 R)
• M13: 4,994,923 km (0.107 R)
• M14: 6,402,190 km (0.083 R)
• M15: 8,054,649 km (0.104 R)
• M16: 11,756,149 km (0.111 R)
• M17: 15,942,795 km (0.075 R)
• M18: 16,975,020 km (0.114 R)
• M19: 17,972,688 km (0.111 R)
• M20: 18,208,454 km (0.099 R)
• M21: 18,605,786 km (0.107 R)
• M22: 21,817,054 km (0.085 R)
• M23: 22,995,287 km (0.108 R)
• M24: 24,599,126 km (0.108 R)
• M25: 24,792,556 km (0.118 R)
• M26: 26,276,118 km (0.045 R)
• M27: 27,608,885 km (0.11 R)
• M28: 28,238,842 km (0.113 R)
• M29: 28,450,972 km (0.086 R)
• M30: 29,310,262 km (0.104 R)
• M31: 30,297,309 km (0.091 R)
• M32: 39,797,821 km (0.102 R)
• M33: 44,638,658 km (0.06 R)
• M34: 47,274,722 km (0.066 R)
• M35: 47,723,815 km (0.095 R)
• M36: 49,088,447 km (0.1 R)
• M37: 50,167,646 km (0.103 R)
• M38: 54,150,988 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 876.8

Radius: 4.1

Gravity: 52.16 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 8.99 AU - 9.41 AU

Year: 17743 Days

Day: 15.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,274,632 km

• M1: 51,013 km (0.119 R)
• M2: 273,914 km (0.062 R)
• M3: 425,456 km (0.026 R)
• M4: 688,599 km (0.114 R)
• M5: 1,131,259 km (0.111 R)
• M6: 1,453,493 km (0.118 R)
• M7: 2,366,040 km (0.119 R)
• M8: 2,595,822 km (0.097 R)
• M9: 3,319,128 km (0.108 R)
• M10: 3,788,117 km (0.094 R)
• M11: 4,434,829 km (0.085 R)
• M12: 5,985,411 km (0.106 R)
• M13: 6,633,020 km (0.082 R)
• M14: 7,326,107 km (0.096 R)
• M15: 9,867,625 km (0.088 R)
• M16: 10,706,869 km (0.079 R)
• M17: 11,080,714 km (0.087 R)
• M18: 14,846,392 km (0.113 R)
• M19: 16,269,516 km (0.098 R)
• M20: 16,680,462 km (0.106 R)
• M21: 18,749,700 km (0.075 R)
• M22: 18,929,516 km (0.094 R)
• M23: 19,201,335 km (0.083 R)
• M24: 22,064,788 km (0.088 R)
• M25: 22,568,036 km (0.051 R)
• M26: 24,658,217 km (0.032 R)
• M27: 29,825,327 km (0.081 R)
• M28: 30,938,635 km (0.088 R)
• M29: 33,909,200 km (0.094 R)
• M30: 43,163,773 km (0.112 R)
• M31: 50,765,589 km (0.094 R)
• M32: 51,818,458 km (0.066 R)
• M33: 53,786,269 km (0.087 R)
• M34: 54,149,343 km (0.05 R)
• M35: 70,699,654 km (0.029 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 11,787 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit