🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.7

Radius: 12.8

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.47 AU - 0.57 AU

Year: 250 Days

Day: 10 Hours

Environment

Temp: -151 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,223,687 km

• M1: 159,172 km (0.1 R)
• M2: 589,715 km (0.078 R)
• M3: 1,010,534 km (0.038 R)
• M4: 1,666,819 km (0.039 R)
• M5: 2,422,289 km (0.118 R)
• M6: 3,032,648 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880

Radius: 11.2

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.09 AU - 1.39 AU

Year: 921 Days

Day: 13 Hours

Environment

Temp: -180 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,223,687 km

• M1: 140,024 km (0.118 R)
• M2: 670,498 km (0.101 R)
• M3: 1,335,610 km (0.106 R)
• M4: 1,808,788 km (0.075 R)
• M5: 2,566,501 km (0.039 R)
• M6: 3,421,902 km (0.071 R)
• M7: 3,860,672 km (0.094 R)
• M8: 5,836,711 km (0.101 R)
• M9: 6,398,899 km (0.078 R)
• M10: 7,212,413 km (0.09 R)
• M11: 8,067,215 km (0.069 R)
• M12: 9,562,296 km (0.118 R)
• M13: 10,437,593 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.2

Radius: 9

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.68 AU - 1.74 AU

Year: 1491 Days

Day: 14.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,223,687 km

• M1: 112,049 km (0.11 R)
• M2: 527,033 km (0.065 R)
• M3: 1,062,893 km (0.116 R)
• M4: 1,354,908 km (0.108 R)
• M5: 1,871,918 km (0.036 R)
• M6: 2,305,004 km (0.083 R)
• M7: 2,739,137 km (0.03 R)
• M8: 3,661,707 km (0.053 R)
• M9: 4,000,397 km (0.055 R)
• M10: 4,872,702 km (0.081 R)
• M11: 5,653,603 km (0.104 R)
• M12: 6,797,727 km (0.118 R)
• M13: 8,251,220 km (0.059 R)
• M14: 8,666,055 km (0.092 R)
• M15: 9,567,233 km (0.103 R)
• M16: 10,087,384 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.4

Radius: 11.4

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.85 AU - 2.75 AU

Year: 2326 Days

Day: 13.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,223,687 km

• M1: 141,819 km (0.082 R)
• M2: 515,215 km (0.037 R)
• M3: 879,187 km (0.109 R)
• M4: 1,415,944 km (0.097 R)
• M5: 2,020,170 km (0.049 R)
• M6: 2,956,652 km (0.051 R)
• M7: 3,497,449 km (0.074 R)
• M8: 4,778,306 km (0.083 R)
• M9: 6,887,486 km (0.112 R)
• M10: 7,426,487 km (0.112 R)
• M11: 9,798,960 km (0.069 R)
• M12: 10,445,073 km (0.112 R)
• M13: 10,929,022 km (0.101 R)
• M14: 11,466,976 km (0.08 R)
• M15: 13,842,141 km (0.055 R)
• M16: 15,741,436 km (0.117 R)
• M17: 16,930,889 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.7

Radius: 12.4

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.32 AU - 2.34 AU

Year: 2372 Days

Day: 14 Hours

Environment

Temp: -206 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 49,223,687 km

• M1: 154,535 km (0.072 R)
• M2: 603,927 km (0.098 R)
• M3: 995,275 km (0.056 R)
• M4: 2,446,374 km (0.117 R)
• M5: 3,504,480 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.1

Radius: 12.3

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.6 AU - 3.26 AU

Year: 3344 Days

Day: 11.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,223,687 km

• M1: 155,133 km (0.033 R)
• M2: 606,919 km (0.097 R)
• M3: 1,151,904 km (0.101 R)
• M4: 1,535,024 km (0.074 R)
• M5: 2,125,337 km (0.072 R)
• M6: 2,729,563 km (0.102 R)
• M7: 3,729,625 km (0.112 R)
• M8: 4,304,529 km (0.102 R)
• M9: 4,741,505 km (0.117 R)
• M10: 5,277,364 km (0.076 R)
• M11: 6,497,484 km (0.076 R)
• M12: 7,046,509 km (0.092 R)
• M13: 8,081,875 km (0.076 R)
• M14: 9,455,184 km (0.111 R)
• M15: 10,233,990 km (0.067 R)
• M16: 11,093,281 km (0.113 R)
• M17: 12,617,832 km (0.119 R)
• M18: 14,460,579 km (0.115 R)
• M19: 15,980,493 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.8

Radius: 14.9

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.32 AU - 3.64 AU

Year: 4329 Days

Day: 13.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,223,687 km

• M1: 187,446 km (0.115 R)
• M2: 742,005 km (0.105 R)
• M3: 1,354,609 km (0.069 R)
• M4: 2,028,697 km (0.079 R)
• M5: 3,014,995 km (0.102 R)
• M6: 4,250,674 km (0.083 R)
• M7: 4,749,433 km (0.088 R)
• M8: 5,952,050 km (0.079 R)
• M9: 7,939,608 km (0.098 R)
• M10: 8,644,962 km (0.025 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 363.1

Radius: 5.6

Gravity: 11.58 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 5.4 AU - 7.02 AU

Year: 10320 Days

Day: 21.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,223,687 km

• M1: 69,713 km (0.11 R)
• M2: 780,901 km (0.057 R)
• M3: 3,062,717 km (0.114 R)
• M4: 7,946,041 km (0.094 R)
• M5: 8,191,381 km (0.081 R)
• M6: 8,783,340 km (0.107 R)
• M7: 9,223,307 km (0.109 R)
• M8: 10,879,655 km (0.093 R)
• M9: 12,947,995 km (0.12 R)
• M10: 13,517,664 km (0.062 R)
• M11: 13,750,139 km (0.107 R)
• M12: 14,044,547 km (0.081 R)
• M13: 15,014,989 km (0.099 R)
• M14: 16,487,181 km (0.119 R)
• M15: 17,021,096 km (0.073 R)
• M16: 20,240,891 km (0.101 R)
• M17: 21,477,168 km (0.109 R)
• M18: 21,793,867 km (0.062 R)
• M19: 23,508,109 km (0.116 R)
• M20: 24,099,020 km (0.046 R)
• M21: 26,926,719 km (0.05 R)
• M22: 28,136,068 km (0.111 R)
• M23: 28,802,078 km (0.068 R)
• M24: 29,968,044 km (0.115 R)
• M25: 32,083,657 km (0.102 R)
• M26: 34,947,409 km (0.037 R)
• M27: 38,208,194 km (0.052 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 357

Radius: 6.3

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 5.89 AU - 9.63 AU

Year: 14415 Days

Day: 19.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,223,687 km

• M1: 78,389 km (0.104 R)
• M2: 328,367 km (0.099 R)
• M3: 801,097 km (0.086 R)
• M4: 1,405,322 km (0.113 R)
• M5: 2,352,277 km (0.12 R)
• M6: 2,949,023 km (0.029 R)
• M7: 3,416,217 km (0.058 R)
• M8: 3,904,504 km (0.059 R)
• M9: 4,179,765 km (0.12 R)
• M10: 4,987,892 km (0.112 R)
• M11: 5,615,904 km (0.075 R)
• M12: 8,077,836 km (0.073 R)
• M13: 8,708,990 km (0.037 R)
• M14: 9,766,796 km (0.094 R)
• M15: 12,961,459 km (0.046 R)
• M16: 13,574,960 km (0.116 R)
• M17: 14,207,459 km (0.105 R)
• M18: 15,805,464 km (0.111 R)
• M19: 17,742,457 km (0.1 R)
• M20: 21,908,459 km (0.112 R)
• M21: 22,340,497 km (0.072 R)
• M22: 26,977,732 km (0.094 R)
• M23: 28,484,781 km (0.074 R)
• M24: 30,687,759 km (0.089 R)
• M25: 31,885,889 km (0.079 R)
• M26: 35,193,497 km (0.098 R)
• M27: 39,864,392 km (0.089 R)
• M28: 42,081,432 km (0.063 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 534 - 13,561 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit