🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433

Radius: 12

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.68 AU - 0.92 AU

Year: 485 Days

Day: 10.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 147.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,166,687 km

• M1: 149,299 km (0.108 R)
• M2: 563,685 km (0.117 R)
• M3: 1,253,780 km (0.088 R)
• M4: 1,631,664 km (0.06 R)
• M5: 2,006,855 km (0.089 R)
• M6: 2,386,385 km (0.073 R)
• M7: 3,106,250 km (0.095 R)
• M8: 3,500,291 km (0.109 R)
• M9: 4,322,182 km (0.099 R)
• M10: 5,283,946 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.4

Radius: 14

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.68 AU - 1.06 AU

Year: 550 Days

Day: 8.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,166,687 km

• M1: 174,132 km (0.061 R)
• M2: 653,294 km (0.116 R)
• M3: 1,239,119 km (0.049 R)
• M4: 2,002,667 km (0.109 R)
• M5: 2,855,973 km (0.043 R)
• M6: 3,415,918 km (0.075 R)
• M7: 4,076,243 km (0.082 R)
• M8: 4,607,764 km (0.112 R)
• M9: 6,299,118 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.4

Radius: 13.4

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.94 AU - 1.34 AU

Year: 826 Days

Day: 13.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 47,166,687 km

• M1: 166,802 km (0.106 R)
• M2: 975,677 km (0.027 R)
• M3: 1,506,002 km (0.081 R)
• M4: 2,514,591 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.3

Radius: 14.8

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.27 AU - 1.67 AU

Year: 1209 Days

Day: 12.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 124.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,166,687 km

• M1: 184,155 km (0.095 R)
• M2: 676,482 km (0.119 R)
• M3: 1,326,784 km (0.085 R)
• M4: 1,903,483 km (0.077 R)
• M5: 2,623,049 km (0.086 R)
• M6: 3,102,660 km (0.111 R)
• M7: 3,672,329 km (0.105 R)
• M8: 4,433,931 km (0.12 R)
• M9: 6,052,580 km (0.078 R)
• M10: 6,757,934 km (0.095 R)
• M11: 7,722,840 km (0.084 R)
• M12: 8,526,031 km (0.072 R)
• M13: 9,592,814 km (0.118 R)
• M14: 10,521,667 km (0.061 R)

Asteroid Belt

Center: 1.84 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.5

Radius: 14.4

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.92 AU - 2.5 AU

Year: 2228 Days

Day: 7.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 139.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,166,687 km

• M1: 179,069 km (0.094 R)
• M2: 830,418 km (0.047 R)
• M3: 1,327,232 km (0.108 R)
• M4: 2,138,053 km (0.086 R)
• M5: 3,415,768 km (0.078 R)
• M6: 4,024,632 km (0.081 R)
• M7: 4,576,199 km (0.081 R)
• M8: 5,342,589 km (0.09 R)
• M9: 5,832,522 km (0.111 R)
• M10: 6,568,992 km (0.102 R)
• M11: 11,063,959 km (0.064 R)
• M12: 12,028,566 km (0.055 R)
• M13: 12,917,926 km (0.089 R)
• M14: 13,490,287 km (0.067 R)
• M15: 14,733,146 km (0.115 R)
• M16: 16,354,189 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.1

Radius: 9.9

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 3.43 AU - 5.49 AU

Year: 6388 Days

Day: 7.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,166,687 km

• M1: 125,064 km (0.111 R)
• M2: 452,833 km (0.085 R)
• M3: 1,763,609 km (0.099 R)
• M4: 3,441,798 km (0.104 R)
• M5: 9,063,985 km (0.11 R)
• M6: 10,313,576 km (0.076 R)
• M7: 11,763,180 km (0.034 R)
• M8: 12,770,871 km (0.036 R)
• M9: 13,151,298 km (0.109 R)
• M10: 16,472,222 km (0.078 R)
• M11: 17,968,051 km (0.095 R)
• M12: 20,767,775 km (0.084 R)
• M13: 21,427,352 km (0.092 R)
• M14: 22,168,908 km (0.102 R)
• M15: 23,277,877 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.4

Radius: 8.6

Gravity: 12.96 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.33 AU - 6.25 AU

Year: 8252 Days

Day: 10.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,166,687 km

• M1: 107,710 km (0.086 R)
• M2: 381,475 km (0.084 R)
• M3: 896,540 km (0.101 R)
• M4: 1,302,848 km (0.101 R)
• M5: 2,159,445 km (0.105 R)
• M6: 2,588,642 km (0.095 R)
• M7: 3,007,216 km (0.063 R)
• M8: 4,539,847 km (0.103 R)
• M9: 9,674,046 km (0.117 R)
• M10: 10,019,916 km (0.078 R)
• M11: 10,946,974 km (0.108 R)
• M12: 12,270,765 km (0.075 R)
• M13: 12,734,818 km (0.094 R)
• M14: 15,365,796 km (0.117 R)
• M15: 17,525,989 km (0.059 R)
• M16: 24,021,229 km (0.102 R)
• M17: 25,209,186 km (0.091 R)
• M18: 27,800,670 km (0.03 R)
• M19: 31,095,862 km (0.112 R)
• M20: 33,506,781 km (0.106 R)
• M21: 35,569,736 km (0.093 R)
• M22: 36,991,365 km (0.053 R)
• M23: 38,820,947 km (0.119 R)
• M24: 43,456,835 km (0.079 R)
• M25: 45,355,082 km (0.095 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 16,364 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit