🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.45 AU - 0.59 AU

Year: 246 Days

Day: 30.1 Hours

Environment

Temp: -108 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.7

Radius: 11.5

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.25 AU - 1.91 AU

Year: 1303 Days

Day: 7.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,955,153 km

• M1: 143,016 km (0.045 R)
• M2: 596,148 km (0.113 R)
• M3: 1,041,201 km (0.107 R)
• M4: 1,456,784 km (0.107 R)
• M5: 2,027,051 km (0.048 R)
• M6: 2,662,543 km (0.107 R)
• M7: 3,107,896 km (0.038 R)
• M8: 3,835,540 km (0.091 R)
• M9: 4,240,352 km (0.056 R)
• M10: 4,751,976 km (0.113 R)
• M11: 5,198,975 km (0.105 R)
• M12: 6,201,580 km (0.056 R)
• M13: 9,037,507 km (0.119 R)
• M14: 10,416,051 km (0.111 R)
• M15: 11,103,004 km (0.041 R)
• M16: 12,720,606 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.7

Radius: 10.8

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.6 AU - 3.74 AU

Year: 3703 Days

Day: 8.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,955,153 km

• M1: 134,339 km (0.091 R)
• M2: 546,930 km (0.093 R)
• M3: 1,101,788 km (0.075 R)
• M4: 1,696,141 km (0.114 R)
• M5: 2,151,367 km (0.117 R)
• M6: 2,626,939 km (0.1 R)
• M7: 3,600,970 km (0.112 R)
• M8: 4,424,207 km (0.094 R)
• M9: 4,777,857 km (0.118 R)
• M10: 5,668,862 km (0.104 R)
• M11: 6,007,102 km (0.102 R)
• M12: 6,695,851 km (0.028 R)
• M13: 7,405,693 km (0.081 R)
• M14: 9,364,228 km (0.073 R)
• M15: 9,764,403 km (0.112 R)
• M16: 11,771,408 km (0.079 R)
• M17: 12,672,735 km (0.107 R)
• M18: 13,117,788 km (0.111 R)
• M19: 15,552,494 km (0.12 R)
• M20: 16,796,400 km (0.102 R)
• M21: 17,171,442 km (0.097 R)
• M22: 17,552,019 km (0.111 R)
• M23: 18,330,077 km (0.119 R)
• M24: 18,727,709 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799

Radius: 14.1

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.74 AU - 4.96 AU

Year: 5952 Days

Day: 11.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,955,153 km

• M1: 175,329 km (0.093 R)
• M2: 630,555 km (0.102 R)
• M3: 1,134,550 km (0.028 R)
• M4: 1,583,942 km (0.06 R)
• M5: 2,381,449 km (0.108 R)
• M6: 2,960,691 km (0.105 R)
• M7: 6,858,913 km (0.09 R)
• M8: 8,120,621 km (0.108 R)
• M9: 9,797,165 km (0.11 R)
• M10: 10,482,024 km (0.114 R)
• M11: 11,896,621 km (0.034 R)
• M12: 13,657,538 km (0.067 R)
• M13: 15,525,267 km (0.085 R)
• M14: 16,017,743 km (0.089 R)
• M15: 19,906,689 km (0.028 R)
• M16: 21,306,926 km (0.077 R)
• M17: 23,247,958 km (0.091 R)
• M18: 26,682,575 km (0.083 R)
• M19: 27,479,483 km (0.07 R)
• M20: 27,929,025 km (0.038 R)
• M21: 29,307,420 km (0.065 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 574.5

Radius: 3.3

Gravity: 52.75 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 6.3 AU - 10.28 AU

Year: 15658 Days

Day: 24.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 36,955,153 km

• M1: 41,139 km (0.072 R)
• M2: 174,880 km (0.076 R)
• M3: 335,099 km (0.117 R)
• M4: 485,744 km (0.071 R)
• M5: 680,820 km (0.081 R)
• M6: 1,099,395 km (0.103 R)
• M7: 1,620,743 km (0.061 R)
• M8: 2,151,367 km (0.064 R)
• M9: 2,269,998 km (0.045 R)
• M10: 2,630,379 km (0.115 R)
• M11: 2,978,793 km (0.114 R)
• M12: 4,457,867 km (0.105 R)
• M13: 4,883,922 km (0.104 R)
• M14: 5,517,917 km (0.074 R)
• M15: 5,816,664 km (0.036 R)
• M16: 6,165,377 km (0.087 R)
• M17: 6,405,482 km (0.054 R)
• M18: 7,076,428 km (0.098 R)
• M19: 9,793,275 km (0.108 R)
• M20: 10,286,200 km (0.046 R)
• M21: 10,795,581 km (0.094 R)
• M22: 12,110,995 km (0.056 R)
• M23: 14,628,428 km (0.074 R)
• M24: 15,563,863 km (0.08 R)
• M25: 17,079,738 km (0.047 R)
• M26: 18,197,534 km (0.039 R)
• M27: 19,025,109 km (0.111 R)
• M28: 19,363,200 km (0.094 R)
• M29: 20,138,267 km (0.104 R)
• M30: 21,566,927 km (0.093 R)
• M31: 23,445,876 km (0.104 R)
• M32: 24,128,491 km (0.095 R)
• M33: 24,325,811 km (0.115 R)
• M34: 24,624,109 km (0.113 R)
• M35: 25,431,040 km (0.1 R)
• M36: 26,255,623 km (0.094 R)
• M37: 29,393,887 km (0.108 R)
• M38: 30,878,347 km (0.039 R)
• M39: 33,872,249 km (0.071 R)
• M40: 42,837,350 km (0.088 R)
• M41: 46,397,929 km (0.043 R)
• M42: 48,877,963 km (0.051 R)
• M43: 54,948,644 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 120.9

Radius: 6.2

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 7.23 AU - 9.67 AU

Year: 16114 Days

Day: 16.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,955,153 km

• M1: 77,043 km (0.097 R)
• M2: 385,663 km (0.049 R)
• M3: 632,799 km (0.094 R)
• M4: 939,774 km (0.096 R)
• M5: 1,165,068 km (0.088 R)
• M6: 1,539,362 km (0.065 R)
• M7: 1,841,101 km (0.058 R)
• M8: 3,009,161 km (0.089 R)
• M9: 3,713,618 km (0.09 R)
• M10: 4,770,377 km (0.07 R)
• M11: 5,444,016 km (0.057 R)
• M12: 9,475,080 km (0.033 R)
• M13: 13,899,138 km (0.113 R)
• M14: 17,376,541 km (0.066 R)
• M15: 18,887,928 km (0.12 R)
• M16: 20,784,679 km (0.097 R)
• M17: 24,277,790 km (0.037 R)
• M18: 25,552,663 km (0.12 R)
• M19: 29,549,319 km (0.055 R)
• M20: 30,805,343 km (0.036 R)
• M21: 32,096,522 km (0.045 R)
• M22: 33,320,083 km (0.111 R)
• M23: 34,048,027 km (0.107 R)
• M24: 36,734,356 km (0.117 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 465 - 19,195 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit