🌌 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: 751.7

Radius: 9.8

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.43 AU - 0.63 AU

Year: 262 Days

Day: 14.5 Hours

Environment

Temp: -133 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,772,537 km

• M1: 121,922 km (0.116 R)
• M2: 567,275 km (0.115 R)
• M3: 1,064,538 km (0.052 R)
• M4: 1,544,000 km (0.105 R)
• M5: 1,852,470 km (0.1 R)
• M6: 2,561,564 km (0.05 R)
• M7: 2,882,601 km (0.034 R)
• M8: 3,230,716 km (0.112 R)
• M9: 3,742,340 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.3

Radius: 10.7

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.65 AU - 0.65 AU

Year: 355 Days

Day: 12.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 45,772,537 km

• M1: 133,142 km (0.071 R)
• M2: 498,161 km (0.112 R)
• M3: 991,086 km (0.067 R)
• M4: 1,611,917 km (0.034 R)
• M5: 2,823,809 km (0.105 R)
• M6: 3,410,682 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.9

Radius: 12.8

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.05 AU - 1.59 AU

Year: 1029 Days

Day: 8.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 45,772,537 km

• M1: 159,621 km (0.079 R)
• M2: 684,410 km (0.053 R)
• M3: 1,363,136 km (0.077 R)
• M4: 1,785,451 km (0.085 R)
• M5: 2,496,190 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.5

Radius: 12

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.17 AU - 1.47 AU

Year: 1029 Days

Day: 10.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,772,537 km

• M1: 150,047 km (0.113 R)
• M2: 600,486 km (0.068 R)
• M3: 1,183,918 km (0.047 R)
• M4: 1,567,636 km (0.112 R)
• M5: 2,338,514 km (0.086 R)
• M6: 2,969,518 km (0.09 R)
• M7: 4,869,710 km (0.104 R)
• M8: 5,258,515 km (0.087 R)
• M9: 5,924,225 km (0.084 R)
• M10: 6,300,165 km (0.118 R)
• M11: 7,323,414 km (0.068 R)
• M12: 7,835,637 km (0.11 R)
• M13: 8,960,912 km (0.093 R)
• M14: 9,819,754 km (0.106 R)
• M15: 10,348,283 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.3

Radius: 14.9

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.77 AU - 2.95 AU

Year: 2459 Days

Day: 9.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 132.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,772,537 km

• M1: 185,950 km (0.072 R)
• M2: 658,979 km (0.077 R)
• M3: 1,582,745 km (0.117 R)
• M4: 2,271,195 km (0.069 R)
• M5: 4,295,852 km (0.09 R)
• M6: 6,940,144 km (0.069 R)
• M7: 9,670,306 km (0.083 R)
• M8: 10,359,204 km (0.059 R)
• M9: 11,151,324 km (0.112 R)
• M10: 12,132,238 km (0.059 R)
• M11: 13,328,572 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.6

Radius: 14

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.3 AU - 3.12 AU

Year: 3026 Days

Day: 10.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,772,537 km

• M1: 177,124 km (0.102 R)
• M2: 630,106 km (0.027 R)
• M3: 1,130,511 km (0.058 R)
• M4: 1,807,441 km (0.076 R)
• M5: 2,298,122 km (0.055 R)
• M6: 3,768,071 km (0.102 R)
• M7: 4,219,109 km (0.064 R)
• M8: 4,920,573 km (0.053 R)
• M9: 6,990,858 km (0.093 R)
• M10: 7,617,972 km (0.096 R)
• M11: 8,128,101 km (0.076 R)
• M12: 8,597,090 km (0.083 R)
• M13: 9,797,165 km (0.076 R)
• M14: 10,292,932 km (0.109 R)
• M15: 11,921,754 km (0.089 R)
• M16: 12,777,005 km (0.117 R)
• M17: 14,701,581 km (0.04 R)
• M18: 16,762,591 km (0.04 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.9

Radius: 12.9

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4.47 AU - 6.35 AU

Year: 8535 Days

Day: 10.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,772,537 km

• M1: 160,369 km (0.104 R)
• M2: 783,145 km (0.086 R)
• M3: 1,238,670 km (0.104 R)
• M4: 2,183,830 km (0.05 R)
• M5: 2,585,051 km (0.058 R)
• M6: 3,101,613 km (0.092 R)
• M7: 3,993,066 km (0.079 R)
• M8: 4,896,039 km (0.116 R)
• M9: 5,493,832 km (0.083 R)
• M10: 8,387,055 km (0.09 R)
• M11: 9,338,946 km (0.087 R)
• M12: 15,079,316 km (0.106 R)
• M13: 17,470,339 km (0.085 R)
• M14: 19,249,506 km (0.085 R)
• M15: 21,228,237 km (0.12 R)
• M16: 22,056,411 km (0.081 R)
• M17: 24,490,518 km (0.109 R)
• M18: 25,125,860 km (0.098 R)
• M19: 26,810,482 km (0.099 R)
• M20: 29,071,205 km (0.068 R)
• M21: 38,775,170 km (0.086 R)
• M22: 40,515,143 km (0.114 R)
• M23: 42,176,876 km (0.116 R)
• M24: 45,227,326 km (0.079 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 15,403 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit