🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.3

Radius: 11.2

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.1 AU - 1.44 AU

Year: 924 Days

Day: 13.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,463,868 km

• M1: 139,276 km (0.108 R)
• M2: 549,323 km (0.118 R)
• M3: 927,806 km (0.082 R)
• M4: 1,309,131 km (0.12 R)
• M5: 2,264,613 km (0.11 R)
• M6: 2,924,938 km (0.075 R)
• M7: 4,241,100 km (0.055 R)
• M8: 4,629,007 km (0.109 R)
• M9: 5,114,751 km (0.066 R)
• M10: 5,734,535 km (0.081 R)
• M11: 6,274,284 km (0.083 R)
• M12: 6,757,186 km (0.041 R)
• M13: 8,435,076 km (0.058 R)
• M14: 9,273,123 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.5

Radius: 14.1

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.34 AU - 1.66 AU

Year: 1186 Days

Day: 8 Hours

Environment

Temp: -180 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,463,868 km

• M1: 175,329 km (0.117 R)
• M2: 642,224 km (0.061 R)
• M3: 1,450,351 km (0.081 R)
• M4: 2,589,240 km (0.088 R)
• M5: 3,104,904 km (0.049 R)
• M6: 3,846,610 km (0.103 R)
• M7: 4,469,386 km (0.085 R)
• M8: 5,458,378 km (0.099 R)
• M9: 6,314,676 km (0.081 R)
• M10: 7,509,065 km (0.076 R)
• M11: 8,849,163 km (0.109 R)
• M12: 9,310,223 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.3

Radius: 11.7

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.46 AU - 2.4 AU

Year: 1731 Days

Day: 12.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 111.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,463,868 km

• M1: 145,559 km (0.081 R)
• M2: 677,828 km (0.104 R)
• M3: 1,233,734 km (0.046 R)
• M4: 1,604,437 km (0.119 R)
• M5: 2,104,543 km (0.075 R)
• M6: 3,186,135 km (0.098 R)
• M7: 3,624,906 km (0.103 R)
• M8: 4,314,403 km (0.085 R)
• M9: 5,089,469 km (0.103 R)
• M10: 5,563,694 km (0.112 R)
• M11: 6,112,419 km (0.088 R)
• M12: 7,166,037 km (0.077 R)
• M13: 8,392,889 km (0.038 R)
• M14: 8,763,892 km (0.072 R)
• M15: 10,456,293 km (0.082 R)
• M16: 10,919,897 km (0.11 R)
• M17: 12,067,163 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.1

Radius: 11.8

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.23 AU - 2.45 AU

Year: 2311 Days

Day: 13.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,463,868 km

• M1: 147,055 km (0.078 R)
• M2: 548,725 km (0.069 R)
• M3: 1,108,819 km (0.078 R)
• M4: 1,633,758 km (0.119 R)
• M5: 2,058,317 km (0.114 R)
• M6: 4,041,087 km (0.053 R)
• M7: 5,281,254 km (0.119 R)
• M8: 5,672,153 km (0.117 R)
• M9: 6,685,230 km (0.068 R)
• M10: 7,169,628 km (0.062 R)
• M11: 8,010,517 km (0.07 R)
• M12: 9,888,270 km (0.061 R)
• M13: 10,964,626 km (0.107 R)
• M14: 11,676,114 km (0.04 R)
• M15: 12,380,421 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.8

Radius: 8.4

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.51 AU - 3.41 AU

Year: 3288 Days

Day: 5.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,463,868 km

• M1: 104,569 km (0.107 R)
• M2: 431,889 km (0.074 R)
• M3: 797,656 km (0.097 R)
• M4: 1,330,823 km (0.112 R)
• M5: 1,609,823 km (0.051 R)
• M6: 2,197,742 km (0.108 R)
• M7: 2,534,786 km (0.054 R)
• M8: 2,890,680 km (0.084 R)
• M9: 3,212,465 km (0.117 R)
• M10: 3,576,137 km (0.06 R)
• M11: 4,386,210 km (0.111 R)
• M12: 4,681,815 km (0.1 R)
• M13: 6,312,581 km (0.109 R)
• M14: 7,640,861 km (0.05 R)
• M15: 8,070,356 km (0.054 R)
• M16: 8,386,756 km (0.112 R)
• M17: 10,688,020 km (0.112 R)
• M18: 11,861,615 km (0.087 R)
• M19: 13,690,300 km (0.039 R)
• M20: 15,024,862 km (0.094 R)
• M21: 17,056,850 km (0.048 R)
• M22: 17,473,779 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.2

Radius: 6.2

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.72 AU - 6.82 AU

Year: 10137 Days

Day: 19.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,463,868 km

• M1: 77,043 km (0.117 R)
• M2: 399,426 km (0.119 R)
• M3: 745,596 km (0.095 R)
• M4: 1,608,327 km (0.116 R)
• M5: 1,932,505 km (0.082 R)
• M6: 2,215,844 km (0.036 R)
• M7: 2,455,200 km (0.061 R)
• M8: 2,807,653 km (0.108 R)
• M9: 3,109,392 km (0.103 R)
• M10: 4,591,757 km (0.052 R)
• M11: 5,245,201 km (0.067 R)
• M12: 5,958,932 km (0.118 R)
• M13: 6,423,882 km (0.047 R)
• M14: 7,056,980 km (0.092 R)
• M15: 7,463,887 km (0.049 R)
• M16: 7,692,323 km (0.113 R)
• M17: 24,838,183 km (0.098 R)
• M18: 25,605,620 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 245.7

Radius: 4

Gravity: 15.36 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.54 AU - 7.4 AU

Year: 10626 Days

Day: 16.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 35,463,868 km

• M1: 49,816 km (0.108 R)
• M2: 179,069 km (0.095 R)
• M3: 350,358 km (0.106 R)
• M4: 589,864 km (0.098 R)
• M5: 968,197 km (0.108 R)
• M6: 1,858,155 km (0.035 R)
• M7: 2,070,734 km (0.084 R)
• M8: 2,885,145 km (0.032 R)
• M9: 3,452,120 km (0.081 R)
• M10: 3,610,395 km (0.112 R)
• M11: 3,917,519 km (0.046 R)
• M12: 4,065,023 km (0.117 R)
• M13: 4,345,070 km (0.101 R)
• M14: 4,692,436 km (0.12 R)
• M15: 5,000,608 km (0.053 R)
• M16: 5,472,739 km (0.103 R)
• M17: 6,202,627 km (0.034 R)
• M18: 6,677,451 km (0.115 R)
• M19: 7,434,565 km (0.057 R)
• M20: 8,009,320 km (0.082 R)
• M21: 10,558,618 km (0.098 R)
• M22: 11,582,765 km (0.088 R)
• M23: 14,575,620 km (0.087 R)
• M24: 14,752,295 km (0.112 R)
• M25: 15,595,728 km (0.116 R)
• M26: 16,217,456 km (0.08 R)
• M27: 18,661,886 km (0.072 R)
• M28: 20,593,194 km (0.044 R)
• M29: 21,569,021 km (0.106 R)
• M30: 24,431,127 km (0.085 R)
• M31: 26,039,155 km (0.041 R)
• M32: 28,627,348 km (0.108 R)
• M33: 28,997,303 km (0.045 R)
• M34: 29,464,198 km (0.069 R)
• M35: 31,186,519 km (0.099 R)
• M36: 33,997,163 km (0.039 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 17,374 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit