🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.3

Radius: 10.2

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.47 AU - 0.61 AU

Year: 265 Days

Day: 13.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,485,356 km

• M1: 130,599 km (0.089 R)
• M2: 558,898 km (0.119 R)
• M3: 936,333 km (0.09 R)
• M4: 1,308,383 km (0.078 R)
• M5: 1,724,564 km (0.088 R)
• M6: 2,043,208 km (0.033 R)
• M7: 2,641,749 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.2

Radius: 12.5

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.61 AU - 0.87 AU

Year: 424 Days

Day: 7 Hours

Environment

Temp: -161 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,485,356 km

• M1: 157,227 km (0.119 R)
• M2: 752,776 km (0.119 R)
• M3: 1,565,542 km (0.101 R)
• M4: 2,069,836 km (0.036 R)
• M5: 2,465,223 km (0.05 R)
• M6: 3,203,489 km (0.063 R)
• M7: 3,609,348 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.4

Radius: 11.9

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.82 AU - 1.28 AU

Year: 717 Days

Day: 7.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,485,356 km

• M1: 147,952 km (0.097 R)
• M2: 540,348 km (0.075 R)
• M3: 949,797 km (0.052 R)
• M4: 1,333,366 km (0.094 R)
• M5: 1,806,245 km (0.11 R)
• M6: 2,360,206 km (0.106 R)
• M7: 3,248,368 km (0.085 R)
• M8: 3,826,714 km (0.087 R)
• M9: 4,520,548 km (0.072 R)
• M10: 5,623,384 km (0.069 R)
• M11: 6,378,704 km (0.118 R)
• M12: 7,222,436 km (0.1 R)
• M13: 7,996,904 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.2

Radius: 14.9

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.97 AU - 1.41 AU

Year: 866 Days

Day: 8.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,485,356 km

• M1: 185,651 km (0.07 R)
• M2: 1,427,313 km (0.119 R)
• M3: 1,952,701 km (0.084 R)
• M4: 2,700,242 km (0.076 R)
• M5: 3,381,660 km (0.103 R)
• M6: 4,385,462 km (0.082 R)
• M7: 5,351,265 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.6

Radius: 13.8

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.27 AU - 1.55 AU

Year: 1116 Days

Day: 6.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,485,356 km

• M1: 173,683 km (0.086 R)
• M2: 676,781 km (0.1 R)
• M3: 1,202,767 km (0.091 R)
• M4: 1,632,262 km (0.106 R)
• M5: 2,105,590 km (0.092 R)
• M6: 2,695,754 km (0.11 R)
• M7: 3,296,090 km (0.118 R)
• M8: 3,858,428 km (0.098 R)
• M9: 4,713,979 km (0.078 R)
• M10: 5,450,748 km (0.097 R)
• M11: 6,825,552 km (0.103 R)
• M12: 8,051,806 km (0.054 R)
• M13: 8,663,213 km (0.052 R)
• M14: 9,420,328 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725

Radius: 14.8

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.27 AU - 1.85 AU

Year: 1299 Days

Day: 10.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,485,356 km

• M1: 184,005 km (0.099 R)
• M2: 899,682 km (0.114 R)
• M3: 1,718,281 km (0.071 R)
• M4: 2,182,783 km (0.108 R)
• M5: 3,543,674 km (0.073 R)
• M6: 4,967,547 km (0.119 R)
• M7: 5,561,450 km (0.059 R)
• M8: 6,294,779 km (0.05 R)
• M9: 6,942,239 km (0.093 R)
• M10: 9,798,661 km (0.072 R)
• M11: 10,309,088 km (0.034 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.7

Radius: 8.5

Gravity: 13.44 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.59 AU - 1.91 AU

Year: 1544 Days

Day: 14.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,485,356 km

• M1: 105,766 km (0.046 R)
• M2: 415,433 km (0.051 R)
• M3: 705,204 km (0.09 R)
• M4: 970,292 km (0.032 R)
• M5: 1,303,745 km (0.114 R)
• M6: 1,662,930 km (0.095 R)
• M7: 1,983,369 km (0.048 R)
• M8: 2,435,753 km (0.113 R)
• M9: 3,330,797 km (0.037 R)
• M10: 4,469,685 km (0.069 R)
• M11: 4,817,201 km (0.063 R)
• M12: 6,967,970 km (0.07 R)
• M13: 7,324,162 km (0.109 R)
• M14: 8,435,974 km (0.065 R)
• M15: 8,809,370 km (0.112 R)
• M16: 10,628,031 km (0.043 R)
• M17: 11,211,762 km (0.109 R)
• M18: 12,805,279 km (0.084 R)
• M19: 13,215,925 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.3

Radius: 10.2

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.7 AU - 2.02 AU

Year: 1692 Days

Day: 11.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,485,356 km

• M1: 126,859 km (0.112 R)
• M2: 961,466 km (0.07 R)
• M3: 1,373,757 km (0.078 R)
• M4: 1,804,749 km (0.107 R)
• M5: 2,211,356 km (0.093 R)
• M6: 3,110,738 km (0.12 R)
• M7: 3,636,275 km (0.08 R)
• M8: 4,599,536 km (0.118 R)
• M9: 5,201,668 km (0.097 R)
• M10: 6,352,075 km (0.05 R)
• M11: 6,803,262 km (0.101 R)
• M12: 7,301,423 km (0.077 R)
• M13: 7,985,086 km (0.063 R)
• M14: 8,710,785 km (0.109 R)
• M15: 11,018,182 km (0.105 R)
• M16: 11,392,925 km (0.097 R)
• M17: 11,846,805 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 348.4

Radius: 3.9

Gravity: 22.91 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 9.33 AU - 10.85 AU

Year: 21373 Days

Day: 18.9 Hours

Environment

Temp: -243 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,485,356 km

• M1: 48,470 km (0.107 R)
• M2: 172,337 km (0.101 R)
• M3: 490,531 km (0.093 R)
• M4: 619,335 km (0.108 R)
• M5: 947,553 km (0.053 R)
• M6: 1,517,072 km (0.087 R)
• M7: 1,710,352 km (0.094 R)
• M8: 3,082,763 km (0.098 R)
• M9: 3,840,477 km (0.055 R)
• M10: 6,634,666 km (0.11 R)
• M11: 7,883,359 km (0.08 R)
• M12: 10,431,011 km (0.064 R)
• M13: 10,602,749 km (0.096 R)
• M14: 11,368,989 km (0.107 R)
• M15: 12,489,926 km (0.058 R)
• M16: 18,038,810 km (0.114 R)
• M17: 18,369,422 km (0.057 R)
• M18: 32,772,406 km (0.033 R)
• M19: 40,821,669 km (0.111 R)
• M20: 52,738,186 km (0.109 R)
• M21: 53,413,621 km (0.068 R)
• M22: 59,389,906 km (0.105 R)
• M23: 59,937,733 km (0.048 R)
• M24: 63,105,468 km (0.117 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 15,161 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit