🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.44 AU - 0.7 AU

Year: 278 Days

Day: 13.6 Hours

Environment

Temp: -123 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.61 AU - 0.63 AU

Year: 315 Days

Day: 13.3 Hours

Environment

Temp: -130 °C

Axial Tilt: 10 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.81 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.9

Radius: 11.1

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.28 AU - 3.7 AU

Year: 3338 Days

Day: 12.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,910,715 km

• M1: 138,228 km (0.065 R)
• M2: 917,633 km (0.078 R)
• M3: 1,307,186 km (0.119 R)
• M4: 1,689,558 km (0.051 R)
• M5: 2,274,336 km (0.087 R)
• M6: 2,752,601 km (0.118 R)
• M7: 3,186,584 km (0.085 R)
• M8: 3,955,368 km (0.115 R)
• M9: 4,372,746 km (0.081 R)
• M10: 5,400,782 km (0.065 R)
• M11: 5,860,048 km (0.09 R)
• M12: 6,493,146 km (0.091 R)
• M13: 7,396,867 km (0.1 R)
• M14: 8,382,268 km (0.084 R)
• M15: 10,738,135 km (0.095 R)
• M16: 12,737,511 km (0.06 R)
• M17: 13,358,641 km (0.08 R)
• M18: 15,184,333 km (0.096 R)
• M19: 16,101,967 km (0.116 R)
• M20: 16,658,920 km (0.117 R)
• M21: 17,634,896 km (0.072 R)
• M22: 18,286,545 km (0.083 R)
• M23: 24,308,308 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.2

Radius: 8.7

Gravity: 9.96 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.87 AU - 4.47 AU

Year: 5498 Days

Day: 6.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 91.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,910,715 km

• M1: 108,159 km (0.083 R)
• M2: 451,187 km (0.117 R)
• M3: 932,593 km (0.073 R)
• M4: 1,364,183 km (0.101 R)
• M5: 2,012,391 km (0.116 R)
• M6: 2,440,689 km (0.077 R)
• M7: 2,759,034 km (0.098 R)
• M8: 3,634,331 km (0.114 R)
• M9: 4,246,934 km (0.067 R)
• M10: 5,556,963 km (0.08 R)
• M11: 6,805,058 km (0.071 R)
• M12: 7,295,739 km (0.108 R)
• M13: 8,114,338 km (0.034 R)
• M14: 8,586,020 km (0.102 R)
• M15: 10,657,502 km (0.06 R)
• M16: 11,080,116 km (0.116 R)
• M17: 12,160,063 km (0.114 R)
• M18: 14,873,469 km (0.098 R)
• M19: 19,384,443 km (0.094 R)
• M20: 21,761,254 km (0.113 R)
• M21: 22,826,092 km (0.111 R)
• M22: 26,059,201 km (0.086 R)
• M23: 29,219,307 km (0.1 R)
• M24: 29,493,669 km (0.112 R)
• M25: 33,020,140 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.4

Radius: 10.5

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.98 AU - 4.84 AU

Year: 5980 Days

Day: 6.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,910,715 km

• M1: 130,599 km (0.089 R)
• M2: 496,067 km (0.099 R)
• M3: 827,426 km (0.109 R)
• M4: 1,252,433 km (0.069 R)
• M5: 1,990,250 km (0.051 R)
• M6: 2,584,902 km (0.1 R)
• M7: 4,201,606 km (0.101 R)
• M8: 7,008,959 km (0.031 R)
• M9: 9,705,012 km (0.045 R)
• M10: 11,956,909 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.8

Radius: 9

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.58 AU - 5.38 AU

Year: 7176 Days

Day: 5.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,910,715 km

• M1: 118,182 km (0.061 R)
• M2: 806,183 km (0.085 R)
• M3: 1,182,571 km (0.062 R)
• M4: 3,239,392 km (0.108 R)
• M5: 3,527,518 km (0.077 R)
• M6: 3,857,082 km (0.106 R)
• M7: 4,828,570 km (0.081 R)
• M8: 5,326,283 km (0.116 R)
• M9: 10,237,132 km (0.106 R)
• M10: 13,560,149 km (0.084 R)
• M11: 15,402,447 km (0.115 R)
• M12: 18,225,808 km (0.094 R)
• M13: 25,303,732 km (0.093 R)
• M14: 26,802,553 km (0.039 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 27.9

Radius: 5.1

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 6.34 AU - 8.15 AU

Year: 12578 Days

Day: 16.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,910,715 km

• M1: 97,388 km (0.109 R)
• M2: 650,751 km (0.049 R)
• M3: 1,383,481 km (0.048 R)
• M4: 1,927,718 km (0.037 R)
• M5: 2,882,751 km (0.096 R)
• M6: 3,610,545 km (0.085 R)
• M7: 6,192,903 km (0.094 R)
• M8: 7,332,240 km (0.107 R)
• M9: 7,730,919 km (0.042 R)
• M10: 10,470,355 km (0.106 R)
• M11: 15,075,576 km (0.053 R)
• M12: 16,641,267 km (0.026 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 133.2

Radius: 4.4

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.93 AU - 9.33 AU

Year: 13608 Days

Day: 15.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,910,715 km

• M1: 54,753 km (0.083 R)
• M2: 549,323 km (0.039 R)
• M3: 755,020 km (0.113 R)
• M4: 1,234,332 km (0.06 R)
• M5: 1,477,279 km (0.079 R)
• M6: 1,696,739 km (0.098 R)
• M7: 2,137,155 km (0.11 R)
• M8: 2,631,576 km (0.087 R)
• M9: 2,818,723 km (0.055 R)
• M10: 3,198,851 km (0.079 R)
• M11: 4,571,113 km (0.095 R)
• M12: 6,162,983 km (0.069 R)
• M13: 6,663,388 km (0.103 R)
• M14: 7,047,256 km (0.027 R)
• M15: 13,907,216 km (0.05 R)
• M16: 15,719,595 km (0.086 R)
• M17: 16,777,401 km (0.047 R)
• M18: 17,486,645 km (0.076 R)
• M19: 18,895,707 km (0.112 R)
• M20: 23,020,120 km (0.097 R)
• M21: 23,256,635 km (0.113 R)
• M22: 26,566,487 km (0.089 R)
• M23: 27,528,851 km (0.077 R)
• M24: 27,706,274 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 881.7

Radius: 6.4

Gravity: 21.53 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 9.59 AU - 10.17 AU

Year: 20052 Days

Day: 16 Hours

Environment

Temp: -238 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 82,910,715 km

• M1: 79,736 km (0.071 R)
• M2: 458,517 km (0.103 R)
• M3: 2,452,956 km (0.113 R)
• M4: 3,029,357 km (0.098 R)
• M5: 4,140,570 km (0.095 R)
• M6: 4,769,779 km (0.119 R)
• M7: 7,329,697 km (0.09 R)
• M8: 7,728,675 km (0.111 R)
• M9: 8,354,143 km (0.098 R)
• M10: 8,845,124 km (0.065 R)
• M11: 11,327,850 km (0.115 R)
• M12: 13,414,441 km (0.094 R)
• M13: 15,662,747 km (0.052 R)
• M14: 16,074,291 km (0.119 R)
• M15: 18,422,080 km (0.119 R)
• M16: 24,110,390 km (0.12 R)
• M17: 24,438,607 km (0.111 R)
• M18: 26,819,906 km (0.069 R)
• M19: 29,600,631 km (0.059 R)
• M20: 29,977,020 km (0.058 R)
• M21: 32,701,197 km (0.029 R)
• M22: 35,727,562 km (0.045 R)
• M23: 40,609,240 km (0.041 R)
• M24: 48,649,826 km (0.08 R)
• M25: 58,867,510 km (0.056 R)
• M26: 59,263,795 km (0.1 R)
• M27: 61,679,202 km (0.088 R)
• M28: 62,911,141 km (0.11 R)
• M29: 66,705,391 km (0.112 R)
• M30: 79,480,302 km (0.116 R)
• M31: 81,920,692 km (0.114 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 17,356 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit