🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.2

Radius: 12.5

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.61 AU - 0.73 AU

Year: 366 Days

Day: 12.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 53,925,982 km

• M1: 155,432 km (0.102 R)
• M2: 557,701 km (0.103 R)
• M3: 1,006,046 km (0.118 R)
• M4: 1,572,872 km (0.081 R)
• M5: 2,131,321 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.3

Radius: 8.6

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.78 AU - 1.26 AU

Year: 687 Days

Day: 12.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,925,982 km

• M1: 108,309 km (0.091 R)
• M2: 585,975 km (0.108 R)
• M3: 860,487 km (0.034 R)
• M4: 1,254,827 km (0.116 R)
• M5: 1,941,182 km (0.078 R)
• M6: 2,433,060 km (0.077 R)
• M7: 3,318,530 km (0.103 R)
• M8: 3,639,417 km (0.072 R)
• M9: 4,023,435 km (0.117 R)
• M10: 4,464,748 km (0.066 R)
• M11: 5,764,604 km (0.106 R)
• M12: 6,740,581 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.6

Radius: 8.2

Gravity: 12.53 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.29 AU - 1.35 AU

Year: 1011 Days

Day: 10.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,925,982 km

• M1: 102,175 km (0.117 R)
• M2: 360,381 km (0.1 R)
• M3: 968,048 km (0.081 R)
• M4: 1,393,654 km (0.083 R)
• M5: 2,169,319 km (0.116 R)
• M6: 2,772,946 km (0.088 R)
• M7: 3,066,008 km (0.1 R)
• M8: 3,699,256 km (0.103 R)
• M9: 6,037,920 km (0.075 R)
• M10: 6,304,653 km (0.069 R)
• M11: 7,226,475 km (0.074 R)
• M12: 7,863,014 km (0.063 R)
• M13: 8,591,855 km (0.06 R)
• M14: 9,015,815 km (0.062 R)
• M15: 9,423,918 km (0.099 R)
• M16: 10,121,343 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.7

Radius: 12.7

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.74 AU - 3.02 AU

Year: 3259 Days

Day: 11.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,925,982 km

• M1: 157,975 km (0.112 R)
• M2: 628,760 km (0.057 R)
• M3: 1,040,603 km (0.108 R)
• M4: 1,498,223 km (0.083 R)
• M5: 2,303,059 km (0.116 R)
• M6: 2,771,450 km (0.066 R)
• M7: 3,173,270 km (0.109 R)
• M8: 3,614,285 km (0.098 R)
• M9: 5,294,867 km (0.089 R)
• M10: 5,891,314 km (0.081 R)
• M11: 6,562,260 km (0.081 R)
• M12: 10,710,011 km (0.111 R)
• M13: 11,181,094 km (0.093 R)
• M14: 11,666,091 km (0.068 R)
• M15: 12,119,073 km (0.107 R)
• M16: 13,898,390 km (0.097 R)
• M17: 14,304,997 km (0.062 R)
• M18: 15,518,535 km (0.095 R)
• M19: 18,089,524 km (0.118 R)
• M20: 24,061,322 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.2

Radius: 13.9

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.76 AU - 3.6 AU

Year: 3782 Days

Day: 7.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,925,982 km

• M1: 172,935 km (0.095 R)
• M2: 648,208 km (0.09 R)
• M3: 1,201,420 km (0.092 R)
• M4: 1,641,537 km (0.111 R)
• M5: 2,359,009 km (0.071 R)
• M6: 3,538,588 km (0.073 R)
• M7: 4,910,999 km (0.087 R)
• M8: 5,483,061 km (0.106 R)
• M9: 5,934,099 km (0.102 R)
• M10: 6,701,985 km (0.111 R)
• M11: 10,453,750 km (0.108 R)
• M12: 11,878,669 km (0.091 R)
• M13: 13,668,309 km (0.061 R)
• M14: 17,265,389 km (0.11 R)
• M15: 18,065,588 km (0.109 R)
• M16: 19,251,600 km (0.101 R)
• M17: 19,801,821 km (0.095 R)
• M18: 20,362,664 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 792.5

Radius: 7.1

Gravity: 15.72 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 6.71 AU - 6.99 AU

Year: 11955 Days

Day: 19.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,925,982 km

• M1: 94,995 km (0.089 R)
• M2: 320,139 km (0.112 R)
• M3: 699,220 km (0.074 R)
• M4: 1,239,718 km (0.037 R)
• M5: 1,497,325 km (0.092 R)
• M6: 2,840,265 km (0.074 R)
• M7: 4,525,485 km (0.087 R)
• M8: 4,909,204 km (0.041 R)
• M9: 5,705,364 km (0.089 R)
• M10: 7,162,596 km (0.095 R)
• M11: 8,230,875 km (0.119 R)
• M12: 8,852,155 km (0.094 R)
• M13: 15,487,419 km (0.031 R)
• M14: 20,003,479 km (0.091 R)
• M15: 20,601,721 km (0.077 R)
• M16: 22,285,744 km (0.081 R)
• M17: 26,945,120 km (0.067 R)
• M18: 35,834,674 km (0.098 R)
• M19: 46,051,909 km (0.101 R)
• M20: 53,028,556 km (0.093 R)
• M21: 54,173,428 km (0.117 R)
• M22: 55,334,756 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 293

Radius: 3.1

Gravity: 30.49 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.22 AU - 9.94 AU

Year: 18246 Days

Day: 20.2 Hours

Environment

Temp: -243 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,925,982 km

• M1: 38,596 km (0.047 R)
• M2: 199,414 km (0.083 R)
• M3: 298,597 km (0.104 R)
• M4: 414,087 km (0.103 R)
• M5: 685,757 km (0.115 R)
• M6: 932,144 km (0.108 R)
• M7: 1,380,190 km (0.104 R)
• M8: 1,787,844 km (0.068 R)
• M9: 2,137,903 km (0.118 R)
• M10: 2,388,779 km (0.102 R)
• M11: 2,835,029 km (0.053 R)
• M12: 5,318,055 km (0.093 R)
• M13: 5,886,975 km (0.091 R)
• M14: 6,035,376 km (0.07 R)
• M15: 8,523,937 km (0.094 R)
• M16: 17,818,154 km (0.113 R)
• M17: 24,448,780 km (0.11 R)
• M18: 25,907,210 km (0.105 R)
• M19: 26,506,349 km (0.111 R)
• M20: 27,319,713 km (0.111 R)
• M21: 28,149,532 km (0.095 R)
• M22: 34,794,520 km (0.038 R)
• M23: 36,636,219 km (0.052 R)
• M24: 38,412,993 km (0.069 R)
• M25: 40,646,489 km (0.054 R)
• M26: 46,679,323 km (0.084 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 13,718 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit