🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.5

Radius: 13.1

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.56 AU - 0.76 AU

Year: 364 Days

Day: 8.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,638,364 km

• M1: 162,912 km (0.119 R)
• M2: 910,153 km (0.047 R)
• M3: 1,605,784 km (0.117 R)
• M4: 2,842,808 km (0.104 R)
• M5: 3,332,891 km (0.081 R)
• M6: 4,307,671 km (0.079 R)
• M7: 5,122,979 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759

Radius: 9.6

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.72 AU - 1.02 AU

Year: 550 Days

Day: 5.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,638,364 km

• M1: 119,379 km (0.094 R)
• M2: 494,571 km (0.109 R)
• M3: 929,452 km (0.104 R)
• M4: 1,306,438 km (0.114 R)
• M5: 2,358,111 km (0.116 R)
• M6: 3,241,935 km (0.048 R)
• M7: 3,692,225 km (0.071 R)
• M8: 4,169,293 km (0.112 R)
• M9: 5,128,215 km (0.093 R)
• M10: 5,455,236 km (0.099 R)
• M11: 6,441,684 km (0.07 R)
• M12: 6,925,783 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.8

Radius: 8.1

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.25 AU - 1.53 AU

Year: 1112 Days

Day: 13.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,638,364 km

• M1: 103,522 km (0.075 R)
• M2: 443,707 km (0.119 R)
• M3: 1,031,926 km (0.103 R)
• M4: 1,416,093 km (0.114 R)
• M5: 1,729,202 km (0.112 R)
• M6: 2,351,529 km (0.112 R)
• M7: 3,075,433 km (0.109 R)
• M8: 3,347,402 km (0.115 R)
• M9: 3,831,351 km (0.119 R)
• M10: 4,311,111 km (0.092 R)
• M11: 7,672,725 km (0.114 R)
• M12: 8,646,907 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.9

Radius: 14.1

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.99 AU - 2.15 AU

Year: 2020 Days

Day: 10.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,638,364 km

• M1: 175,329 km (0.096 R)
• M2: 740,061 km (0.058 R)
• M3: 1,335,759 km (0.106 R)
• M4: 2,248,456 km (0.062 R)
• M5: 4,524,438 km (0.113 R)
• M6: 5,627,722 km (0.116 R)
• M7: 8,206,191 km (0.074 R)
• M8: 10,022,160 km (0.066 R)
• M9: 10,608,434 km (0.086 R)
• M10: 11,609,992 km (0.119 R)
• M11: 12,464,195 km (0.108 R)
• M12: 13,056,603 km (0.068 R)
• M13: 15,232,055 km (0.042 R)
• M14: 17,015,262 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.6

Radius: 12.5

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.68 AU - 4.7 AU

Year: 5817 Days

Day: 8 Hours

Environment

Temp: -215 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,638,364 km

• M1: 156,031 km (0.08 R)
• M2: 550,969 km (0.093 R)
• M3: 1,313,170 km (0.08 R)
• M4: 1,749,248 km (0.117 R)
• M5: 2,315,027 km (0.104 R)
• M6: 3,078,575 km (0.093 R)
• M7: 4,621,826 km (0.115 R)
• M8: 5,105,626 km (0.098 R)
• M9: 6,764,367 km (0.115 R)
• M10: 7,643,703 km (0.08 R)
• M11: 8,207,089 km (0.08 R)
• M12: 10,020,813 km (0.102 R)
• M13: 14,146,274 km (0.11 R)
• M14: 14,824,102 km (0.057 R)
• M15: 17,368,163 km (0.085 R)
• M16: 19,217,941 km (0.089 R)
• M17: 21,122,771 km (0.102 R)
• M18: 27,416,203 km (0.09 R)
• M19: 30,659,036 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.3

Radius: 14.3

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.7 AU - 5.32 AU

Year: 6496 Days

Day: 8.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 68,638,364 km

• M1: 177,872 km (0.057 R)
• M2: 696,079 km (0.067 R)
• M3: 1,209,798 km (0.098 R)
• M4: 1,816,567 km (0.051 R)
• M5: 2,401,644 km (0.098 R)
• M6: 2,917,158 km (0.03 R)
• M7: 3,982,595 km (0.113 R)
• M8: 4,501,998 km (0.053 R)
• M9: 5,351,714 km (0.088 R)
• M10: 5,800,059 km (0.064 R)
• M11: 6,603,699 km (0.066 R)
• M12: 7,664,797 km (0.109 R)
• M13: 8,275,605 km (0.034 R)
• M14: 10,814,430 km (0.094 R)
• M15: 12,390,294 km (0.099 R)
• M16: 13,072,460 km (0.105 R)
• M17: 14,858,958 km (0.091 R)
• M18: 17,968,799 km (0.119 R)
• M19: 19,959,049 km (0.114 R)
• M20: 20,678,315 km (0.111 R)
• M21: 21,414,786 km (0.05 R)
• M22: 22,552,178 km (0.089 R)
• M23: 24,292,899 km (0.108 R)
• M24: 25,196,021 km (0.039 R)
• M25: 29,309,364 km (0.118 R)
• M26: 31,380,547 km (0.068 R)
• M27: 32,157,409 km (0.075 R)
• M28: 33,749,429 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 37.1

Radius: 3.2

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 5.65 AU - 6.07 AU

Year: 9621 Days

Day: 18.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 100.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,638,364 km

• M1: 39,793 km (0.104 R)
• M2: 402,568 km (0.11 R)
• M3: 1,255,276 km (0.052 R)
• M4: 1,690,007 km (0.089 R)
• M5: 1,953,748 km (0.075 R)
• M6: 2,324,452 km (0.119 R)
• M7: 3,271,406 km (0.084 R)
• M8: 4,491,526 km (0.117 R)
• M9: 4,706,199 km (0.094 R)
• M10: 5,415,293 km (0.092 R)
• M11: 8,603,074 km (0.115 R)
• M12: 10,343,496 km (0.109 R)
• M13: 11,894,377 km (0.066 R)
• M14: 13,951,797 km (0.101 R)
• M15: 16,790,566 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 576.4

Radius: 7.9

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 7.07 AU - 11.17 AU

Year: 18680 Days

Day: 22.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,638,364 km

• M1: 98,286 km (0.04 R)
• M2: 373,695 km (0.075 R)
• M3: 715,078 km (0.114 R)
• M4: 1,081,742 km (0.112 R)
• M5: 1,701,676 km (0.1 R)
• M6: 2,004,911 km (0.062 R)
• M7: 2,261,022 km (0.106 R)
• M8: 2,744,822 km (0.078 R)
• M9: 3,626,552 km (0.092 R)
• M10: 4,419,271 km (0.039 R)
• M11: 5,778,966 km (0.092 R)
• M12: 7,725,683 km (0.109 R)
• M13: 9,190,096 km (0.087 R)
• M14: 12,992,874 km (0.106 R)
• M15: 13,679,828 km (0.119 R)
• M16: 14,976,991 km (0.115 R)
• M17: 16,197,261 km (0.114 R)
• M18: 18,149,962 km (0.092 R)
• M19: 19,447,125 km (0.115 R)
• M20: 24,422,750 km (0.096 R)
• M21: 24,733,315 km (0.09 R)
• M22: 26,981,322 km (0.049 R)
• M23: 29,948,746 km (0.092 R)
• M24: 38,027,480 km (0.096 R)
• M25: 44,151,418 km (0.107 R)
• M26: 49,731,568 km (0.075 R)
• M27: 51,408,261 km (0.107 R)
• M28: 53,469,570 km (0.069 R)
• M29: 53,818,432 km (0.055 R)
• M30: 65,400,748 km (0.12 R)
• M31: 66,602,618 km (0.116 R)
• M32: 67,615,395 km (0.11 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 366 - 16,222 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit