🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.62 AU - 0.68 AU

Year: 338 Days

Day: 20 Hours

Environment

Temp: -133 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,736,662 km

• M1: 52,958 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.9

Radius: 13.7

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.58 AU - 0.86 AU

Year: 394 Days

Day: 11.4 Hours

Environment

Temp: -134 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 83,736,662 km

• M1: 170,841 km (0.116 R)
• M2: 661,223 km (0.076 R)
• M3: 1,197,980 km (0.113 R)
• M4: 1,886,130 km (0.059 R)
• M5: 2,382,196 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.3

Radius: 8.4

Gravity: 12.35 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.01 AU - 1.31 AU

Year: 807 Days

Day: 6.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,736,662 km

• M1: 104,419 km (0.046 R)
• M2: 491,579 km (0.052 R)
• M3: 799,900 km (0.104 R)
• M4: 1,165,218 km (0.116 R)
• M5: 1,614,759 km (0.113 R)
• M6: 2,034,531 km (0.113 R)
• M7: 2,514,291 km (0.093 R)
• M8: 2,861,957 km (0.118 R)
• M9: 3,282,925 km (0.106 R)
• M10: 3,912,882 km (0.038 R)
• M11: 4,551,964 km (0.044 R)
• M12: 5,373,556 km (0.081 R)
• M13: 5,912,108 km (0.057 R)
• M14: 6,183,927 km (0.044 R)
• M15: 6,640,799 km (0.115 R)
• M16: 8,616,987 km (0.115 R)
• M17: 8,939,969 km (0.059 R)
• M18: 9,382,928 km (0.072 R)
• M19: 9,696,036 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.6

Radius: 13.1

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.54 AU - 2.3 AU

Year: 1718 Days

Day: 6 Hours

Environment

Temp: -190 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,736,662 km

• M1: 163,810 km (0.107 R)
• M2: 623,973 km (0.101 R)
• M3: 1,048,831 km (0.069 R)
• M4: 2,148,525 km (0.107 R)
• M5: 2,582,508 km (0.064 R)
• M6: 3,088,298 km (0.092 R)
• M7: 4,399,374 km (0.057 R)
• M8: 5,615,306 km (0.079 R)
• M9: 6,622,399 km (0.082 R)
• M10: 9,236,921 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.5

Radius: 11.2

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.95 AU - 6.19 AU

Year: 8488 Days

Day: 10.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 163.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,736,662 km

• M1: 139,575 km (0.118 R)
• M2: 504,444 km (0.098 R)
• M3: 978,669 km (0.103 R)
• M4: 1,507,947 km (0.045 R)
• M5: 1,949,260 km (0.114 R)
• M6: 2,399,849 km (0.026 R)
• M7: 2,954,708 km (0.064 R)
• M8: 3,924,850 km (0.085 R)
• M9: 6,546,403 km (0.109 R)
• M10: 9,137,737 km (0.074 R)
• M11: 9,601,790 km (0.109 R)
• M12: 13,108,663 km (0.083 R)
• M13: 14,829,039 km (0.072 R)
• M14: 16,638,126 km (0.059 R)
• M15: 19,844,756 km (0.081 R)
• M16: 22,802,755 km (0.079 R)
• M17: 24,020,332 km (0.076 R)
• M18: 25,130,348 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.5

Radius: 12.2

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 5.54 AU - 5.92 AU

Year: 8856 Days

Day: 10.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,736,662 km

• M1: 159,621 km (0.049 R)
• M2: 578,645 km (0.1 R)
• M3: 2,136,108 km (0.084 R)
• M4: 3,042,372 km (0.115 R)
• M5: 4,943,462 km (0.093 R)
• M6: 6,111,073 km (0.101 R)
• M7: 7,400,307 km (0.102 R)
• M8: 9,550,627 km (0.076 R)
• M9: 12,089,004 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 725.2

Radius: 6

Gravity: 20.14 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 10 AU - 11.3 AU

Year: 22441 Days

Day: 17.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 83,736,662 km

• M1: 74,649 km (0.087 R)
• M2: 309,069 km (0.106 R)
• M3: 500,255 km (0.093 R)
• M4: 1,053,169 km (0.112 R)
• M5: 1,545,047 km (0.116 R)
• M6: 1,990,998 km (0.091 R)
• M7: 2,689,620 km (0.097 R)
• M8: 3,333,938 km (0.04 R)
• M9: 3,570,153 km (0.057 R)
• M10: 4,278,050 km (0.085 R)
• M11: 4,486,440 km (0.111 R)
• M12: 5,550,380 km (0.093 R)
• M13: 6,361,949 km (0.092 R)
• M14: 6,588,141 km (0.091 R)
• M15: 7,008,660 km (0.051 R)
• M16: 7,397,465 km (0.085 R)
• M17: 11,838,128 km (0.079 R)
• M18: 12,389,546 km (0.12 R)
• M19: 17,257,012 km (0.119 R)
• M20: 18,693,152 km (0.092 R)
• M21: 19,725,526 km (0.089 R)
• M22: 21,093,898 km (0.11 R)
• M23: 23,909,180 km (0.089 R)
• M24: 24,456,559 km (0.105 R)
• M25: 31,562,308 km (0.089 R)
• M26: 33,023,431 km (0.085 R)
• M27: 38,418,080 km (0.106 R)
• M28: 39,776,578 km (0.092 R)
• M29: 41,794,952 km (0.079 R)
• M30: 44,866,197 km (0.118 R)
• M31: 47,052,121 km (0.066 R)
• M32: 47,394,700 km (0.099 R)
• M33: 55,929,707 km (0.071 R)
• M34: 57,868,944 km (0.117 R)
• M35: 59,252,725 km (0.111 R)
• M36: 62,292,254 km (0.098 R)
• M37: 63,954,885 km (0.112 R)
• M38: 64,375,255 km (0.072 R)
• M39: 71,578,093 km (0.094 R)
• M40: 76,430,749 km (0.104 R)
• M41: 81,498,078 km (0.058 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 13,021 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit