🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.76 AU - 0.94 AU

Year: 286 Days

Day: 41 Hours

Environment

Temp: 158 °C

Axial Tilt: 23.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 73,238,474 km

• M1: 28,274 km (0.064 R)

Planet 2 - Terrestrial

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.83 AU - 4.99 AU

Year: 3383 Days

Day: 44.3 Hours

Environment

Temp: -121 °C

Axial Tilt: 25.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.3

Radius: 14.8

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.68 AU - 5.8 AU

Year: 4381 Days

Day: 6 Hours

Environment

Temp: -148 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,238,474 km

• M1: 184,005 km (0.079 R)
• M2: 780,751 km (0.108 R)
• M3: 1,261,409 km (0.102 R)
• M4: 1,764,956 km (0.051 R)
• M5: 2,651,772 km (0.088 R)
• M6: 3,376,723 km (0.072 R)
• M7: 4,068,015 km (0.076 R)
• M8: 4,547,027 km (0.114 R)
• M9: 5,037,110 km (0.099 R)
• M10: 9,445,161 km (0.074 R)
• M11: 10,555,327 km (0.112 R)
• M12: 11,990,868 km (0.1 R)
• M13: 12,630,249 km (0.107 R)
• M14: 13,137,535 km (0.11 R)
• M15: 15,764,773 km (0.075 R)
• M16: 16,353,441 km (0.116 R)
• M17: 18,595,015 km (0.111 R)
• M18: 20,823,724 km (0.081 R)
• M19: 22,258,069 km (0.069 R)
• M20: 25,323,479 km (0.097 R)
• M21: 25,806,381 km (0.098 R)
• M22: 26,459,824 km (0.113 R)
• M23: 27,292,187 km (0.111 R)
• M24: 29,360,976 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.5

Radius: 14.9

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.99 AU - 7.35 AU

Year: 5598 Days

Day: 12.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 64 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,238,474 km

• M1: 188,344 km (0.087 R)
• M2: 1,231,041 km (0.101 R)
• M3: 1,720,824 km (0.106 R)
• M4: 2,942,441 km (0.079 R)
• M5: 3,642,559 km (0.055 R)
• M6: 4,150,144 km (0.095 R)
• M7: 5,011,977 km (0.103 R)
• M8: 5,889,818 km (0.092 R)
• M9: 7,064,909 km (0.047 R)
• M10: 10,721,530 km (0.116 R)
• M11: 16,985,043 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.6

Radius: 13

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 7.09 AU - 8.41 AU

Year: 7880 Days

Day: 11.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 73,238,474 km

• M1: 165,754 km (0.112 R)
• M2: 582,235 km (0.104 R)
• M3: 1,199,925 km (0.073 R)
• M4: 1,653,356 km (0.105 R)
• M5: 2,921,048 km (0.117 R)
• M6: 4,534,311 km (0.101 R)
• M7: 5,166,213 km (0.087 R)
• M8: 6,642,744 km (0.12 R)
• M9: 7,537,190 km (0.106 R)
• M10: 8,054,349 km (0.108 R)
• M11: 9,338,797 km (0.085 R)
• M12: 9,749,592 km (0.097 R)
• M13: 10,364,440 km (0.097 R)
• M14: 11,055,432 km (0.076 R)
• M15: 11,882,409 km (0.076 R)
• M16: 13,543,993 km (0.069 R)
• M17: 14,734,642 km (0.114 R)
• M18: 18,085,784 km (0.067 R)
• M19: 18,510,792 km (0.076 R)
• M20: 19,381,003 km (0.106 R)
• M21: 25,894,344 km (0.116 R)
• M22: 26,707,857 km (0.063 R)
• M23: 28,481,191 km (0.12 R)
• M24: 31,745,865 km (0.061 R)
• M25: 36,476,150 km (0.09 R)
• M26: 37,155,474 km (0.074 R)
• M27: 37,843,474 km (0.108 R)
• M28: 38,423,166 km (0.099 R)
• M29: 39,600,352 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.8

Radius: 13.5

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 6.97 AU - 11.27 AU

Year: 10060 Days

Day: 15 Hours

Environment

Temp: -164 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,238,474 km

• M1: 167,998 km (0.067 R)
• M2: 826,379 km (0.051 R)
• M3: 1,518,119 km (0.102 R)
• M4: 4,080,432 km (0.104 R)
• M5: 13,124,221 km (0.066 R)
• M6: 14,268,645 km (0.108 R)
• M7: 15,135,714 km (0.082 R)
• M8: 15,617,120 km (0.047 R)
• M9: 16,037,789 km (0.109 R)
• M10: 17,122,673 km (0.077 R)
• M11: 17,570,120 km (0.098 R)
• M12: 18,025,496 km (0.036 R)
• M13: 23,112,572 km (0.076 R)
• M14: 25,739,510 km (0.07 R)
• M15: 28,559,729 km (0.106 R)
• M16: 37,492,667 km (0.11 R)
• M17: 40,051,240 km (0.072 R)
• M18: 43,135,050 km (0.091 R)
• M19: 43,825,893 km (0.105 R)
• M20: 45,513,806 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211.7

Radius: 7.2

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 11.85 AU - 19.05 AU

Year: 22181 Days

Day: 24.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,238,474 km

• M1: 92,751 km (0.066 R)
• M2: 850,314 km (0.11 R)
• M3: 1,545,795 km (0.11 R)
• M4: 1,842,447 km (0.106 R)
• M5: 2,945,283 km (0.112 R)
• M6: 3,279,036 km (0.103 R)
• M7: 3,882,214 km (0.105 R)
• M8: 4,938,824 km (0.049 R)
• M9: 7,134,622 km (0.104 R)
• M10: 7,649,837 km (0.114 R)
• M11: 10,660,643 km (0.061 R)
• M12: 12,154,977 km (0.079 R)
• M13: 15,553,391 km (0.115 R)
• M14: 16,272,508 km (0.118 R)
• M15: 23,772,298 km (0.082 R)
• M16: 27,118,204 km (0.083 R)
• M17: 27,531,394 km (0.119 R)
• M18: 32,126,592 km (0.03 R)
• M19: 36,201,638 km (0.105 R)
• M20: 36,828,453 km (0.117 R)
• M21: 37,462,598 km (0.116 R)
• M22: 40,473,854 km (0.105 R)
• M23: 44,352,627 km (0.119 R)
• M24: 49,694,318 km (0.116 R)
• M25: 52,041,210 km (0.065 R)
• M26: 53,971,172 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 344.7

Radius: 6.1

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 16.96 AU - 17.94 AU

Year: 26625 Days

Day: 20.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 73,238,474 km

• M1: 79,885 km (0.059 R)
• M2: 272,418 km (0.098 R)
• M3: 516,861 km (0.058 R)
• M4: 1,954,047 km (0.119 R)
• M5: 2,495,741 km (0.054 R)
• M6: 3,662,904 km (0.078 R)
• M7: 5,812,027 km (0.107 R)
• M8: 6,265,757 km (0.087 R)
• M9: 6,566,599 km (0.104 R)
• M10: 6,922,193 km (0.113 R)
• M11: 8,371,048 km (0.117 R)
• M12: 9,003,398 km (0.07 R)
• M13: 9,276,115 km (0.081 R)
• M14: 9,610,766 km (0.084 R)
• M15: 10,069,133 km (0.058 R)
• M16: 10,723,325 km (0.105 R)
• M17: 11,279,231 km (0.078 R)
• M18: 12,651,043 km (0.052 R)
• M19: 12,924,358 km (0.063 R)
• M20: 14,798,371 km (0.062 R)
• M21: 16,682,407 km (0.102 R)
• M22: 19,891,281 km (0.107 R)
• M23: 21,786,237 km (0.084 R)
• M24: 30,695,090 km (0.111 R)
• M25: 31,688,120 km (0.062 R)
• M26: 33,088,057 km (0.102 R)
• M27: 34,263,896 km (0.096 R)
• M28: 36,837,129 km (0.043 R)
• M29: 41,008,666 km (0.04 R)
• M30: 43,750,047 km (0.086 R)
• M31: 49,257,343 km (0.069 R)
• M32: 55,027,482 km (0.094 R)
• M33: 59,305,233 km (0.07 R)
• M34: 59,496,120 km (0.116 R)
• M35: 61,037,726 km (0.057 R)
• M36: 61,427,279 km (0.062 R)
• M37: 69,570,191 km (0.04 R)
• M38: 70,422,001 km (0.089 R)
• M39: 72,800,308 km (0.094 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 15,850 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit