🌌 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: 440

Radius: 14.3

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.55 AU - 0.77 AU

Year: 364 Days

Day: 14.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,886,083 km

• M1: 178,171 km (0.107 R)
• M2: 736,321 km (0.105 R)
• M3: 1,745,658 km (0.1 R)
• M4: 2,320,263 km (0.107 R)
• M5: 2,781,623 km (0.086 R)
• M6: 3,541,281 km (0.054 R)
• M7: 4,195,771 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.6

Radius: 13.1

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.64 AU - 0.78 AU

Year: 406 Days

Day: 8.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,886,083 km

• M1: 162,912 km (0.059 R)
• M2: 603,179 km (0.094 R)
• M3: 1,193,043 km (0.054 R)
• M4: 1,744,461 km (0.057 R)
• M5: 2,395,660 km (0.097 R)
• M6: 3,091,889 km (0.111 R)
• M7: 3,673,974 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.2

Radius: 9.4

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.56 AU - 1.66 AU

Year: 1386 Days

Day: 6.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,886,083 km

• M1: 116,836 km (0.117 R)
• M2: 499,208 km (0.089 R)
• M3: 950,994 km (0.043 R)
• M4: 1,595,760 km (0.088 R)
• M5: 1,955,543 km (0.086 R)
• M6: 2,473,002 km (0.085 R)
• M7: 2,777,284 km (0.085 R)
• M8: 3,418,162 km (0.116 R)
• M9: 3,829,107 km (0.11 R)
• M10: 4,171,387 km (0.068 R)
• M11: 4,605,370 km (0.046 R)
• M12: 5,146,466 km (0.051 R)
• M13: 5,940,382 km (0.112 R)
• M14: 6,400,395 km (0.033 R)
• M15: 6,766,760 km (0.085 R)
• M16: 7,642,656 km (0.03 R)
• M17: 8,897,483 km (0.102 R)
• M18: 9,210,143 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.9

Radius: 12.2

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.27 AU - 2.55 AU

Year: 2538 Days

Day: 10.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,886,083 km

• M1: 151,692 km (0.043 R)
• M2: 547,079 km (0.072 R)
• M3: 995,125 km (0.07 R)
• M4: 1,491,042 km (0.101 R)
• M5: 1,884,185 km (0.114 R)
• M6: 2,733,602 km (0.108 R)
• M7: 3,635,827 km (0.09 R)
• M8: 4,552,712 km (0.108 R)
• M9: 6,397,553 km (0.108 R)
• M10: 6,985,323 km (0.103 R)
• M11: 7,887,398 km (0.109 R)
• M12: 8,797,851 km (0.078 R)
• M13: 9,525,794 km (0.116 R)
• M14: 10,069,881 km (0.093 R)
• M15: 10,520,021 km (0.079 R)
• M16: 11,993,560 km (0.104 R)
• M17: 12,888,754 km (0.117 R)
• M18: 13,600,391 km (0.105 R)
• M19: 14,956,646 km (0.068 R)
• M20: 15,842,863 km (0.094 R)
• M21: 16,504,235 km (0.113 R)
• M22: 17,557,853 km (0.03 R)
• M23: 18,488,202 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.6

Radius: 10.1

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.77 AU - 4.13 AU

Year: 5325 Days

Day: 12 Hours

Environment

Temp: -223 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,886,083 km

• M1: 125,662 km (0.049 R)
• M2: 580,589 km (0.054 R)
• M3: 1,599,052 km (0.102 R)
• M4: 2,009,847 km (0.054 R)
• M5: 2,490,655 km (0.086 R)
• M6: 3,488,174 km (0.049 R)
• M7: 8,039,240 km (0.109 R)
• M8: 8,596,791 km (0.085 R)
• M9: 11,131,278 km (0.115 R)
• M10: 14,478,381 km (0.085 R)
• M11: 15,836,131 km (0.042 R)
• M12: 17,970,594 km (0.089 R)
• M13: 18,985,017 km (0.077 R)
• M14: 19,351,981 km (0.06 R)
• M15: 19,848,645 km (0.062 R)
• M16: 20,163,399 km (0.091 R)
• M17: 20,545,472 km (0.088 R)
• M18: 21,455,775 km (0.055 R)
• M19: 22,122,234 km (0.095 R)

Asteroid Belt

Center: 4.75 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.5

Radius: 10.4

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 5.49 AU - 5.59 AU

Year: 8844 Days

Day: 11.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,886,083 km

• M1: 137,630 km (0.053 R)
• M2: 1,183,020 km (0.043 R)
• M3: 2,935,110 km (0.053 R)
• M4: 5,776,123 km (0.076 R)
• M5: 6,882,998 km (0.1 R)
• M6: 7,450,423 km (0.099 R)
• M7: 8,010,517 km (0.101 R)
• M8: 12,592,401 km (0.067 R)
• M9: 17,418,428 km (0.101 R)
• M10: 17,874,552 km (0.104 R)
• M11: 22,961,927 km (0.059 R)
• M12: 24,309,355 km (0.112 R)
• M13: 26,471,044 km (0.094 R)
• M14: 30,135,444 km (0.054 R)
• M15: 30,604,284 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476.7

Radius: 7.3

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 6.53 AU - 7.31 AU

Year: 12347 Days

Day: 21.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,886,083 km

• M1: 99,782 km (0.1 R)
• M2: 732,132 km (0.109 R)
• M3: 998,865 km (0.073 R)
• M4: 1,516,474 km (0.097 R)
• M5: 2,094,520 km (0.086 R)
• M6: 2,463,578 km (0.058 R)
• M7: 3,075,283 km (0.095 R)
• M8: 6,009,047 km (0.098 R)
• M9: 7,479,295 km (0.03 R)
• M10: 14,119,197 km (0.098 R)
• M11: 14,440,533 km (0.088 R)
• M12: 15,843,312 km (0.111 R)
• M13: 18,685,672 km (0.106 R)
• M14: 25,356,091 km (0.062 R)
• M15: 27,589,886 km (0.078 R)
• M16: 31,235,736 km (0.113 R)
• M17: 31,891,424 km (0.11 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 156 - 19,397 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit