🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.5

Radius: 10.3

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.5 AU - 0.56 AU

Year: 266 Days

Day: 7.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,567,582 km

• M1: 128,953 km (0.049 R)
• M2: 525,687 km (0.088 R)
• M3: 860,337 km (0.107 R)
• M4: 1,419,235 km (0.103 R)
• M5: 2,332,231 km (0.114 R)
• M6: 3,088,298 km (0.025 R)
• M7: 4,024,781 km (0.11 R)
• M8: 4,539,248 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.9

Radius: 8.3

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.63 AU - 0.71 AU

Year: 379 Days

Day: 6.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,567,582 km

• M1: 103,372 km (0.113 R)
• M2: 407,505 km (0.115 R)
• M3: 700,716 km (0.054 R)
• M4: 972,386 km (0.087 R)
• M5: 1,268,889 km (0.113 R)
• M6: 1,786,049 km (0.051 R)
• M7: 2,057,120 km (0.103 R)
• M8: 2,545,557 km (0.088 R)
• M9: 2,975,053 km (0.054 R)
• M10: 3,568,508 km (0.104 R)
• M11: 3,842,870 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.2

Radius: 8.4

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.68 AU - 0.86 AU

Year: 466 Days

Day: 7.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 25,567,582 km

• M1: 108,010 km (0.106 R)
• M2: 465,249 km (0.084 R)
• M3: 940,522 km (0.097 R)
• M4: 1,236,127 km (0.099 R)
• M5: 2,461,633 km (0.076 R)
• M6: 2,887,538 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.4

Radius: 9.8

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.73 AU - 0.87 AU

Year: 494 Days

Day: 5.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,567,582 km

• M1: 121,922 km (0.08 R)
• M2: 428,897 km (0.045 R)
• M3: 763,099 km (0.077 R)
• M4: 1,084,734 km (0.111 R)
• M5: 1,455,587 km (0.113 R)
• M6: 1,926,222 km (0.1 R)
• M7: 2,303,209 km (0.083 R)
• M8: 2,738,838 km (0.075 R)
• M9: 3,207,528 km (0.087 R)
• M10: 4,010,270 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.5

Radius: 11.6

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.03 AU - 1.17 AU

Year: 796 Days

Day: 13.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 25,567,582 km

• M1: 144,661 km (0.03 R)
• M2: 754,572 km (0.118 R)
• M3: 1,221,915 km (0.053 R)
• M4: 1,703,172 km (0.117 R)
• M5: 2,458,641 km (0.068 R)

Asteroid Belt

Center: 2.07 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.8

Radius: 11.8

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.49 AU - 3.59 AU

Year: 3659 Days

Day: 8.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 25,567,582 km

• M1: 146,756 km (0.045 R)
• M2: 573,259 km (0.092 R)
• M3: 977,921 km (0.115 R)
• M4: 1,456,634 km (0.08 R)
• M5: 1,975,440 km (0.09 R)
• M6: 2,693,360 km (0.115 R)
• M7: 3,464,687 km (0.114 R)
• M8: 3,872,640 km (0.081 R)
• M9: 4,247,682 km (0.074 R)
• M10: 4,693,035 km (0.113 R)
• M11: 5,096,051 km (0.116 R)
• M12: 6,532,789 km (0.118 R)
• M13: 7,189,823 km (0.115 R)
• M14: 8,706,147 km (0.109 R)
• M15: 9,727,901 km (0.069 R)
• M16: 10,150,515 km (0.084 R)
• M17: 11,408,184 km (0.08 R)
• M18: 16,878,230 km (0.089 R)
• M19: 19,232,302 km (0.095 R)
• M20: 21,667,307 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.8

Radius: 14.3

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.88 AU - 5.86 AU

Year: 7418 Days

Day: 5.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 25,567,582 km

• M1: 177,872 km (0.058 R)
• M2: 636,838 km (0.074 R)
• M3: 1,680,283 km (0.077 R)
• M4: 2,157,052 km (0.108 R)
• M5: 2,762,773 km (0.112 R)
• M6: 3,945,644 km (0.093 R)
• M7: 5,001,506 km (0.116 R)
• M8: 5,815,617 km (0.099 R)
• M9: 6,646,783 km (0.059 R)
• M10: 7,555,740 km (0.108 R)
• M11: 11,276,239 km (0.118 R)
• M12: 13,003,645 km (0.055 R)
• M13: 13,503,901 km (0.057 R)
• M14: 14,662,087 km (0.12 R)
• M15: 16,978,012 km (0.071 R)
• M16: 18,674,901 km (0.043 R)
• M17: 21,313,657 km (0.039 R)
• M18: 21,776,513 km (0.12 R)
• M19: 26,426,015 km (0.114 R)
• M20: 26,960,379 km (0.087 R)
• M21: 28,888,097 km (0.096 R)
• M22: 33,532,812 km (0.116 R)
• M23: 34,054,459 km (0.098 R)
• M24: 37,076,785 km (0.036 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 747.4

Radius: 3.5

Gravity: 61.01 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 5.92 AU - 6.16 AU

Year: 10246 Days

Day: 17.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 25,567,582 km

• M1: 44,131 km (0.037 R)
• M2: 172,337 km (0.091 R)
• M3: 321,336 km (0.047 R)
• M4: 577,149 km (0.072 R)
• M5: 955,033 km (0.075 R)
• M6: 1,253,032 km (0.1 R)
• M7: 1,536,370 km (0.085 R)
• M8: 1,944,324 km (0.098 R)
• M9: 2,623,049 km (0.102 R)
• M10: 2,880,956 km (0.065 R)
• M11: 3,522,431 km (0.096 R)
• M12: 4,168,245 km (0.051 R)
• M13: 4,857,592 km (0.076 R)
• M14: 5,081,840 km (0.116 R)
• M15: 5,831,325 km (0.062 R)
• M16: 6,574,078 km (0.11 R)
• M17: 7,294,542 km (0.119 R)
• M18: 9,177,680 km (0.103 R)
• M19: 9,470,742 km (0.037 R)
• M20: 9,619,592 km (0.08 R)
• M21: 10,024,254 km (0.034 R)
• M22: 11,417,459 km (0.096 R)
• M23: 11,928,336 km (0.05 R)
• M24: 15,114,621 km (0.082 R)
• M25: 16,720,704 km (0.086 R)
• M26: 18,436,890 km (0.045 R)
• M27: 19,778,334 km (0.099 R)
• M28: 20,680,260 km (0.098 R)
• M29: 21,353,151 km (0.085 R)
• M30: 24,562,325 km (0.067 R)
• M31: 27,170,115 km (0.056 R)
• M32: 32,927,239 km (0.116 R)
• M33: 34,075,553 km (0.083 R)
• M34: 34,895,199 km (0.043 R)
• M35: 35,727,711 km (0.07 R)
• M36: 40,610,137 km (0.085 R)
• M37: 44,794,240 km (0.082 R)
• M38: 45,636,027 km (0.052 R)
• M39: 48,664,935 km (0.048 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 71.9

Radius: 3.2

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.04 AU - 8.4 AU

Year: 12024 Days

Day: 20.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,567,582 km

• M1: 39,793 km (0.04 R)
• M2: 146,307 km (0.118 R)
• M3: 300,692 km (0.106 R)
• M4: 410,646 km (0.102 R)
• M5: 618,438 km (0.054 R)
• M6: 1,134,251 km (0.065 R)
• M7: 2,055,325 km (0.097 R)
• M8: 4,619,582 km (0.08 R)
• M9: 5,609,172 km (0.116 R)
• M10: 6,392,616 km (0.086 R)
• M11: 13,356,696 km (0.072 R)
• M12: 14,531,040 km (0.074 R)
• M13: 15,278,580 km (0.085 R)
• M14: 17,376,989 km (0.094 R)
• M15: 21,651,449 km (0.102 R)
• M16: 23,992,806 km (0.085 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 16,540 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit