🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.3

Radius: 10.9

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.6 AU - 0.64 AU

Year: 326 Days

Day: 5.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,977,810 km

• M1: 135,685 km (0.08 R)
• M2: 511,026 km (0.076 R)
• M3: 913,445 km (0.092 R)
• M4: 1,429,408 km (0.076 R)
• M5: 1,819,110 km (0.092 R)
• M6: 2,296,926 km (0.029 R)
• M7: 2,876,917 km (0.093 R)
• M8: 3,255,399 km (0.052 R)
• M9: 3,632,535 km (0.082 R)
• M10: 4,343,873 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.5

Radius: 10.4

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.76 AU - 0.82 AU

Year: 468 Days

Day: 11 Hours

Environment

Temp: -162 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 53,977,810 km

• M1: 130,150 km (0.116 R)
• M2: 656,585 km (0.03 R)
• M3: 1,236,426 km (0.108 R)
• M4: 1,613,413 km (0.091 R)
• M5: 2,043,507 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.9

Radius: 12.8

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.99 AU - 1.35 AU

Year: 844 Days

Day: 14.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 53,977,810 km

• M1: 159,172 km (0.094 R)
• M2: 619,335 km (0.037 R)
• M3: 1,038,209 km (0.077 R)
• M4: 1,472,193 km (0.056 R)
• M5: 1,944,772 km (0.083 R)
• M6: 3,608,899 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.3

Radius: 9

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.71 AU - 1.97 AU

Year: 1664 Days

Day: 10.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,977,810 km

• M1: 112,049 km (0.072 R)
• M2: 445,652 km (0.085 R)
• M3: 760,855 km (0.083 R)
• M4: 1,494,932 km (0.032 R)
• M5: 1,830,330 km (0.076 R)
• M6: 2,132,368 km (0.097 R)
• M7: 2,428,721 km (0.108 R)
• M8: 3,230,117 km (0.087 R)
• M9: 3,814,447 km (0.072 R)
• M10: 4,428,396 km (0.046 R)
• M11: 4,790,124 km (0.054 R)
• M12: 6,140,993 km (0.117 R)
• M13: 6,566,000 km (0.114 R)
• M14: 7,391,930 km (0.089 R)
• M15: 8,961,810 km (0.094 R)
• M16: 10,147,672 km (0.06 R)
• M17: 10,494,889 km (0.114 R)
• M18: 10,778,377 km (0.106 R)
• M19: 12,469,581 km (0.092 R)
• M20: 13,316,454 km (0.065 R)
• M21: 14,244,111 km (0.082 R)
• M22: 14,990,155 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.2

Radius: 12.8

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.05 AU - 2.05 AU

Year: 1957 Days

Day: 8.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,977,810 km

• M1: 159,172 km (0.031 R)
• M2: 564,882 km (0.084 R)
• M3: 995,723 km (0.11 R)
• M4: 1,430,604 km (0.033 R)
• M5: 2,550,943 km (0.104 R)
• M6: 2,982,383 km (0.046 R)
• M7: 3,462,592 km (0.098 R)
• M8: 3,915,275 km (0.081 R)
• M9: 4,830,665 km (0.111 R)
• M10: 6,690,466 km (0.065 R)
• M11: 7,300,226 km (0.098 R)
• M12: 8,179,264 km (0.065 R)
• M13: 9,212,386 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.1

Radius: 9.7

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.42 AU - 3.02 AU

Year: 2991 Days

Day: 5.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,977,810 km

• M1: 120,725 km (0.099 R)
• M2: 426,354 km (0.077 R)
• M3: 863,180 km (0.093 R)
• M4: 1,779,616 km (0.039 R)
• M5: 2,273,289 km (0.087 R)
• M6: 3,137,666 km (0.115 R)
• M7: 3,636,874 km (0.066 R)
• M8: 4,612,850 km (0.089 R)
• M9: 5,894,605 km (0.116 R)
• M10: 6,863,401 km (0.043 R)
• M11: 8,021,737 km (0.109 R)
• M12: 8,863,375 km (0.086 R)
• M13: 9,337,749 km (0.105 R)
• M14: 11,006,813 km (0.098 R)
• M15: 12,160,362 km (0.101 R)
• M16: 14,359,152 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 786.4

Radius: 3.9

Gravity: 51.7 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 5.69 AU - 7.39 AU

Year: 11153 Days

Day: 17.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 53,977,810 km

• M1: 48,619 km (0.067 R)
• M2: 265,237 km (0.071 R)
• M3: 513,121 km (0.112 R)
• M4: 721,959 km (0.112 R)
• M5: 851,361 km (0.098 R)
• M6: 1,194,689 km (0.034 R)
• M7: 1,608,925 km (0.052 R)
• M8: 1,865,785 km (0.05 R)
• M9: 2,021,965 km (0.099 R)
• M10: 2,321,310 km (0.102 R)
• M11: 2,649,378 km (0.115 R)
• M12: 2,892,475 km (0.112 R)
• M13: 3,422,949 km (0.119 R)
• M14: 3,552,052 km (0.059 R)
• M15: 3,765,378 km (0.102 R)
• M16: 5,263,601 km (0.09 R)
• M17: 5,612,015 km (0.071 R)
• M18: 5,791,831 km (0.119 R)
• M19: 6,669,073 km (0.099 R)
• M20: 7,076,727 km (0.075 R)
• M21: 9,775,323 km (0.116 R)
• M22: 9,983,414 km (0.03 R)
• M23: 10,141,389 km (0.039 R)
• M24: 12,229,327 km (0.025 R)
• M25: 12,470,927 km (0.095 R)
• M26: 15,552,943 km (0.099 R)
• M27: 15,979,596 km (0.044 R)
• M28: 16,268,469 km (0.114 R)
• M29: 18,388,121 km (0.068 R)
• M30: 20,010,211 km (0.115 R)
• M31: 21,637,238 km (0.061 R)
• M32: 24,003,577 km (0.084 R)
• M33: 24,861,371 km (0.046 R)
• M34: 26,637,696 km (0.057 R)
• M35: 27,556,825 km (0.098 R)
• M36: 27,972,109 km (0.065 R)
• M37: 32,356,374 km (0.114 R)
• M38: 38,195,328 km (0.119 R)
• M39: 50,341,628 km (0.08 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: 259 - 15,803 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit