🌌 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: 555.5

Radius: 11.3

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.42 AU - 0.62 AU

Year: 254 Days

Day: 8.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 176.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,304,286 km

• M1: 140,472 km (0.073 R)
• M2: 655,239 km (0.051 R)
• M3: 1,107,922 km (0.086 R)
• M4: 1,583,793 km (0.078 R)
• M5: 2,062,207 km (0.056 R)
• M6: 2,493,497 km (0.093 R)
• M7: 2,892,624 km (0.072 R)
• M8: 3,304,168 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.1

Radius: 11.3

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.61 AU - 0.73 AU

Year: 372 Days

Day: 10.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,304,286 km

• M1: 141,370 km (0.086 R)
• M2: 649,554 km (0.12 R)
• M3: 1,036,564 km (0.112 R)
• M4: 2,018,524 km (0.081 R)
• M5: 2,543,912 km (0.079 R)
• M6: 3,071,843 km (0.113 R)
• M7: 3,708,681 km (0.098 R)
• M8: 4,171,836 km (0.113 R)
• M9: 4,954,233 km (0.091 R)
• M10: 5,388,814 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.9

Radius: 8.9

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.82 AU - 0.82 AU

Year: 504 Days

Day: 11.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,304,286 km

• M1: 110,702 km (0.05 R)
• M2: 425,157 km (0.092 R)
• M3: 1,024,745 km (0.087 R)
• M4: 1,383,930 km (0.064 R)
• M5: 1,685,968 km (0.066 R)
• M6: 2,271,494 km (0.091 R)
• M7: 2,646,536 km (0.074 R)
• M8: 3,921,858 km (0.036 R)
• M9: 4,296,451 km (0.076 R)
• M10: 4,768,582 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.5

Radius: 9.2

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.72 AU - 1.04 AU

Year: 560 Days

Day: 11.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,304,286 km

• M1: 114,592 km (0.083 R)
• M2: 450,290 km (0.064 R)
• M3: 886,816 km (0.037 R)
• M4: 1,213,538 km (0.111 R)
• M5: 1,532,929 km (0.104 R)
• M6: 2,019,721 km (0.061 R)
• M7: 2,473,900 km (0.11 R)
• M8: 3,116,124 km (0.044 R)
• M9: 3,543,226 km (0.06 R)
• M10: 3,997,106 km (0.031 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.6

Radius: 11.7

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.18 AU - 2.72 AU

Year: 2601 Days

Day: 13.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,304,286 km

• M1: 145,559 km (0.102 R)
• M2: 742,155 km (0.104 R)
• M3: 1,556,566 km (0.081 R)
• M4: 2,268,502 km (0.069 R)
• M5: 2,790,000 km (0.111 R)
• M6: 3,443,145 km (0.098 R)
• M7: 4,654,588 km (0.115 R)
• M8: 10,617,260 km (0.114 R)
• M9: 11,196,054 km (0.09 R)
• M10: 12,249,223 km (0.091 R)
• M11: 14,318,611 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.4

Radius: 10.6

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.2 AU - 4.68 AU

Year: 6345 Days

Day: 7.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,304,286 km

• M1: 133,591 km (0.093 R)
• M2: 503,098 km (0.084 R)
• M3: 983,756 km (0.106 R)
• M4: 1,374,056 km (0.078 R)
• M5: 1,881,941 km (0.075 R)
• M6: 2,287,651 km (0.097 R)
• M7: 3,140,508 km (0.106 R)
• M8: 3,983,642 km (0.048 R)
• M9: 5,409,309 km (0.052 R)
• M10: 12,130,891 km (0.076 R)
• M11: 20,600,824 km (0.111 R)
• M12: 21,589,965 km (0.071 R)
• M13: 22,758,773 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 281.7

Radius: 3.3

Gravity: 25.87 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 6.2 AU - 7.06 AU

Year: 11579 Days

Day: 19.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,304,286 km

• M1: 40,990 km (0.097 R)
• M2: 160,668 km (0.101 R)
• M3: 273,914 km (0.091 R)
• M4: 415,134 km (0.119 R)
• M5: 639,980 km (0.088 R)
• M6: 763,548 km (0.111 R)
• M7: 1,059,303 km (0.093 R)
• M8: 1,256,622 km (0.047 R)
• M9: 1,966,015 km (0.065 R)
• M10: 2,281,667 km (0.084 R)
• M11: 2,888,136 km (0.041 R)
• M12: 3,340,221 km (0.118 R)
• M13: 3,547,863 km (0.105 R)
• M14: 3,763,882 km (0.113 R)
• M15: 4,861,183 km (0.063 R)
• M16: 7,160,352 km (0.084 R)
• M17: 8,649,749 km (0.08 R)
• M18: 15,567,603 km (0.074 R)
• M19: 19,769,209 km (0.116 R)
• M20: 21,217,765 km (0.046 R)
• M21: 22,899,395 km (0.088 R)
• M22: 23,646,487 km (0.087 R)
• M23: 28,189,475 km (0.035 R)
• M24: 30,316,756 km (0.102 R)
• M25: 36,320,717 km (0.07 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 19,973 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit