🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.5

Radius: 14.9

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.45 AU - 0.61 AU

Year: 266 Days

Day: 10.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 100 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,645,561 km

• M1: 185,352 km (0.119 R)
• M2: 654,341 km (0.104 R)
• M3: 1,380,190 km (0.078 R)
• M4: 1,959,732 km (0.082 R)
• M5: 2,523,566 km (0.059 R)
• M6: 3,014,547 km (0.107 R)
• M7: 3,569,854 km (0.108 R)
• M8: 4,408,500 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.2

Radius: 10.3

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.86 AU - 2.06 AU

Year: 1894 Days

Day: 7.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,645,561 km

• M1: 128,056 km (0.105 R)
• M2: 474,076 km (0.11 R)
• M3: 823,237 km (0.103 R)
• M4: 1,459,926 km (0.103 R)
• M5: 2,705,926 km (0.036 R)
• M6: 3,653,330 km (0.102 R)
• M7: 4,043,481 km (0.064 R)
• M8: 4,368,108 km (0.085 R)
• M9: 4,887,961 km (0.115 R)
• M10: 5,299,205 km (0.118 R)
• M11: 6,453,802 km (0.117 R)
• M12: 6,823,308 km (0.089 R)
• M13: 7,470,768 km (0.083 R)
• M14: 7,851,046 km (0.1 R)
• M15: 8,215,616 km (0.1 R)
• M16: 9,788,637 km (0.032 R)
• M17: 10,377,305 km (0.097 R)
• M18: 11,553,444 km (0.077 R)
• M19: 11,989,073 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.4

Radius: 11.6

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.83 AU - 2.35 AU

Year: 2086 Days

Day: 10.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,645,561 km

• M1: 157,975 km (0.051 R)
• M2: 763,398 km (0.036 R)
• M3: 1,162,675 km (0.036 R)
• M4: 1,669,512 km (0.115 R)
• M5: 2,769,805 km (0.115 R)
• M6: 3,843,020 km (0.097 R)
• M7: 5,551,577 km (0.084 R)
• M8: 7,492,310 km (0.111 R)
• M9: 9,670,455 km (0.063 R)
• M10: 10,745,017 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.1

Radius: 8

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.7 AU - 3.72 AU

Year: 3970 Days

Day: 5.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,645,561 km

• M1: 99,483 km (0.093 R)
• M2: 381,774 km (0.092 R)
• M3: 1,491,042 km (0.108 R)
• M4: 2,077,765 km (0.083 R)
• M5: 2,839,816 km (0.051 R)
• M6: 3,104,904 km (0.09 R)
• M7: 3,472,466 km (0.099 R)
• M8: 3,944,148 km (0.044 R)
• M9: 4,458,017 km (0.076 R)
• M10: 5,173,394 km (0.085 R)
• M11: 5,594,661 km (0.046 R)
• M12: 6,191,856 km (0.114 R)
• M13: 6,479,533 km (0.072 R)
• M14: 7,166,336 km (0.114 R)
• M15: 9,212,835 km (0.042 R)
• M16: 11,739,095 km (0.09 R)
• M17: 12,018,843 km (0.084 R)
• M18: 12,800,342 km (0.1 R)
• M19: 13,268,134 km (0.108 R)
• M20: 15,112,526 km (0.05 R)
• M21: 15,635,072 km (0.113 R)
• M22: 16,716,365 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.3

Radius: 12.8

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 4.42 AU - 4.6 AU

Year: 6611 Days

Day: 5.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,645,561 km

• M1: 159,172 km (0.042 R)
• M2: 1,113,607 km (0.072 R)
• M3: 1,960,779 km (0.093 R)
• M4: 2,980,588 km (0.051 R)
• M5: 3,610,096 km (0.116 R)
• M6: 4,102,422 km (0.09 R)
• M7: 4,747,040 km (0.098 R)
• M8: 5,165,465 km (0.096 R)
• M9: 6,777,532 km (0.098 R)
• M10: 7,346,602 km (0.053 R)
• M11: 8,024,729 km (0.088 R)
• M12: 8,499,702 km (0.03 R)
• M13: 11,018,033 km (0.115 R)
• M14: 11,755,849 km (0.058 R)
• M15: 12,421,859 km (0.118 R)
• M16: 15,041,468 km (0.114 R)
• M17: 16,449,183 km (0.085 R)
• M18: 18,211,746 km (0.101 R)
• M19: 19,809,900 km (0.092 R)
• M20: 21,274,014 km (0.097 R)
• M21: 24,089,296 km (0.089 R)
• M22: 30,544,295 km (0.109 R)
• M23: 31,705,474 km (0.047 R)
• M24: 33,097,033 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.7

Radius: 13.7

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.46 AU - 5.46 AU

Year: 8806 Days

Day: 9.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,645,561 km

• M1: 170,392 km (0.09 R)
• M2: 813,962 km (0.091 R)
• M3: 1,405,622 km (0.11 R)
• M4: 3,349,048 km (0.112 R)
• M5: 5,034,268 km (0.116 R)
• M6: 5,854,213 km (0.118 R)
• M7: 6,351,178 km (0.073 R)
• M8: 14,995,092 km (0.028 R)
• M9: 17,768,038 km (0.107 R)
• M10: 19,044,258 km (0.101 R)
• M11: 20,622,814 km (0.109 R)
• M12: 21,361,080 km (0.098 R)
• M13: 22,201,820 km (0.107 R)
• M14: 24,765,329 km (0.105 R)
• M15: 30,473,685 km (0.076 R)
• M16: 33,632,444 km (0.12 R)
• M17: 44,139,001 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999.7

Radius: 8

Gravity: 15.62 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 5.55 AU - 5.93 AU

Year: 9492 Days

Day: 21.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 35,645,561 km

• M1: 99,483 km (0.082 R)
• M2: 518,805 km (0.055 R)
• M3: 1,031,477 km (0.111 R)
• M4: 1,312,871 km (0.109 R)
• M5: 1,691,354 km (0.074 R)
• M6: 2,017,626 km (0.119 R)
• M7: 3,927,542 km (0.104 R)
• M8: 4,237,808 km (0.112 R)
• M9: 5,004,348 km (0.102 R)
• M10: 5,369,516 km (0.072 R)
• M11: 5,752,487 km (0.091 R)
• M12: 8,307,170 km (0.11 R)
• M13: 9,453,089 km (0.063 R)
• M14: 12,834,749 km (0.104 R)
• M15: 13,205,752 km (0.053 R)
• M16: 16,291,358 km (0.057 R)
• M17: 19,338,966 km (0.092 R)
• M18: 20,657,820 km (0.091 R)
• M19: 21,860,138 km (0.027 R)
• M20: 23,290,593 km (0.094 R)
• M21: 23,565,554 km (0.085 R)
• M22: 29,638,480 km (0.106 R)
• M23: 36,925,990 km (0.045 R)
• M24: 37,802,784 km (0.098 R)
• M25: 38,821,844 km (0.091 R)
• M26: 40,252,598 km (0.054 R)
• M27: 42,806,234 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 215.3

Radius: 4.9

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 5.13 AU - 7.87 AU

Year: 11439 Days

Day: 21.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,645,561 km

• M1: 61,186 km (0.078 R)
• M2: 1,599,800 km (0.107 R)
• M3: 2,459,987 km (0.115 R)
• M4: 3,570,004 km (0.064 R)
• M5: 4,562,585 km (0.06 R)
• M6: 6,790,696 km (0.117 R)
• M7: 7,369,341 km (0.071 R)
• M8: 13,013,519 km (0.087 R)
• M9: 15,805,314 km (0.114 R)
• M10: 16,054,694 km (0.08 R)
• M11: 26,965,016 km (0.114 R)
• M12: 27,951,315 km (0.096 R)
• M13: 30,378,092 km (0.103 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: 340 - 13,913 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit