🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.6

Radius: 12.1

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.03 AU - 1.71 AU

Year: 1069 Days

Day: 9.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,052,417 km

• M1: 151,692 km (0.074 R)
• M2: 530,923 km (0.082 R)
• M3: 1,080,097 km (0.05 R)
• M4: 1,462,768 km (0.097 R)
• M5: 1,948,363 km (0.111 R)
• M6: 2,397,007 km (0.054 R)
• M7: 3,614,733 km (0.108 R)
• M8: 4,211,180 km (0.093 R)
• M9: 4,607,315 km (0.118 R)
• M10: 5,228,446 km (0.086 R)
• M11: 5,751,889 km (0.113 R)
• M12: 6,879,856 km (0.084 R)
• M13: 7,329,548 km (0.105 R)
• M14: 8,596,791 km (0.035 R)
• M15: 9,001,304 km (0.106 R)
• M16: 9,755,277 km (0.11 R)
• M17: 10,259,572 km (0.099 R)
• M18: 11,149,978 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.6

Radius: 10.2

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.24 AU - 2.9 AU

Year: 2747 Days

Day: 8.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,052,417 km

• M1: 126,859 km (0.088 R)
• M2: 521,349 km (0.119 R)
• M3: 914,791 km (0.112 R)
• M4: 1,276,967 km (0.097 R)
• M5: 1,657,694 km (0.108 R)
• M6: 2,359,009 km (0.075 R)
• M7: 2,731,208 km (0.05 R)
• M8: 3,594,986 km (0.119 R)
• M9: 4,008,475 km (0.119 R)
• M10: 4,884,370 km (0.035 R)
• M11: 5,392,854 km (0.116 R)
• M12: 6,016,826 km (0.06 R)
• M13: 7,346,901 km (0.073 R)
• M14: 7,917,467 km (0.096 R)
• M15: 10,188,513 km (0.119 R)
• M16: 10,658,250 km (0.095 R)
• M17: 11,019,978 km (0.11 R)
• M18: 12,198,210 km (0.11 R)
• M19: 16,236,007 km (0.054 R)
• M20: 16,661,762 km (0.106 R)
• M21: 17,094,997 km (0.066 R)
• M22: 18,903,486 km (0.07 R)
• M23: 19,256,238 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.3

Radius: 8.3

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.35 AU - 4.17 AU

Year: 4862 Days

Day: 10.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,052,417 km

• M1: 103,223 km (0.073 R)
• M2: 419,772 km (0.119 R)
• M3: 1,357,301 km (0.085 R)
• M4: 4,288,223 km (0.06 R)
• M5: 4,880,481 km (0.117 R)
• M6: 9,075,953 km (0.118 R)
• M7: 9,393,549 km (0.08 R)
• M8: 10,871,277 km (0.049 R)
• M9: 11,595,929 km (0.04 R)
• M10: 15,094,126 km (0.066 R)
• M11: 16,342,819 km (0.029 R)
• M12: 20,432,825 km (0.083 R)
• M13: 21,256,062 km (0.119 R)
• M14: 25,470,384 km (0.111 R)
• M15: 27,482,625 km (0.076 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 268.5

Radius: 8

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 5.58 AU - 8.04 AU

Year: 11851 Days

Day: 17.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,052,417 km

• M1: 104,719 km (0.12 R)
• M2: 941,419 km (0.111 R)
• M3: 1,301,053 km (0.112 R)
• M4: 3,171,624 km (0.117 R)
• M5: 4,272,515 km (0.116 R)
• M6: 4,653,242 km (0.081 R)
• M7: 4,938,974 km (0.12 R)
• M8: 5,483,061 km (0.119 R)
• M9: 7,017,935 km (0.073 R)
• M10: 9,258,762 km (0.097 R)
• M11: 10,419,791 km (0.098 R)
• M12: 13,140,677 km (0.114 R)
• M13: 15,155,910 km (0.059 R)
• M14: 15,405,738 km (0.105 R)
• M15: 17,436,829 km (0.099 R)
• M16: 22,830,281 km (0.109 R)
• M17: 28,380,511 km (0.105 R)
• M18: 35,862,350 km (0.105 R)
• M19: 36,867,049 km (0.073 R)
• M20: 38,351,359 km (0.04 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 308.7

Radius: 6.4

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 8.74 AU - 13.12 AU

Year: 24097 Days

Day: 20.7 Hours

Environment

Temp: -247 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,052,417 km

• M1: 82,428 km (0.064 R)
• M2: 284,834 km (0.058 R)
• M3: 935,735 km (0.109 R)
• M4: 1,173,446 km (0.115 R)
• M5: 2,064,002 km (0.075 R)
• M6: 3,006,319 km (0.091 R)
• M7: 4,462,205 km (0.085 R)
• M8: 5,144,072 km (0.083 R)
• M9: 5,361,588 km (0.117 R)
• M10: 7,061,019 km (0.045 R)
• M11: 7,330,146 km (0.091 R)
• M12: 8,326,169 km (0.108 R)
• M13: 8,934,284 km (0.086 R)
• M14: 13,219,814 km (0.082 R)
• M15: 31,507,705 km (0.1 R)
• M16: 32,978,701 km (0.104 R)
• M17: 33,353,593 km (0.117 R)
• M18: 41,459,255 km (0.116 R)
• M19: 46,119,677 km (0.085 R)
• M20: 50,453,228 km (0.081 R)
• M21: 59,734,280 km (0.091 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 11,319 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit