🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.3

Radius: 14.7

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.44 AU - 0.7 AU

Year: 292 Days

Day: 13.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 39,779,595 km

• M1: 182,809 km (0.107 R)
• M2: 699,520 km (0.089 R)
• M3: 1,303,895 km (0.054 R)
• M4: 1,876,406 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.2

Radius: 13

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.93 AU - 1.17 AU

Year: 730 Days

Day: 12.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,779,595 km

• M1: 161,715 km (0.092 R)
• M2: 674,088 km (0.115 R)
• M3: 1,249,890 km (0.052 R)
• M4: 1,955,394 km (0.103 R)
• M5: 2,889,632 km (0.098 R)
• M6: 3,664,998 km (0.083 R)
• M7: 4,440,962 km (0.066 R)
• M8: 4,975,326 km (0.117 R)
• M9: 5,380,287 km (0.118 R)
• M10: 5,907,620 km (0.114 R)
• M11: 7,089,443 km (0.098 R)
• M12: 8,068,561 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.9

Radius: 8.1

Gravity: 13 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.82 AU - 1.36 AU

Year: 772 Days

Day: 5.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,779,595 km

• M1: 100,829 km (0.102 R)
• M2: 500,554 km (0.081 R)
• M3: 830,867 km (0.062 R)
• M4: 1,168,808 km (0.115 R)
• M5: 1,647,671 km (0.089 R)
• M6: 3,021,279 km (0.099 R)
• M7: 3,299,830 km (0.063 R)
• M8: 3,566,712 km (0.087 R)
• M9: 4,306,025 km (0.102 R)
• M10: 5,388,216 km (0.105 R)
• M11: 5,660,335 km (0.083 R)
• M12: 5,982,568 km (0.105 R)
• M13: 7,000,582 km (0.082 R)
• M14: 8,462,452 km (0.043 R)
• M15: 8,777,655 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.3

Radius: 14

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.62 AU - 1.74 AU

Year: 1477 Days

Day: 13.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 170.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 39,779,595 km

• M1: 176,376 km (0.12 R)
• M2: 728,242 km (0.12 R)
• M3: 1,497,175 km (0.119 R)
• M4: 2,257,881 km (0.077 R)
• M5: 2,706,076 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.8

Radius: 9.1

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.76 AU - 2.82 AU

Year: 3161 Days

Day: 7.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,779,595 km

• M1: 255,214 km (0.12 R)
• M2: 1,582,745 km (0.09 R)
• M3: 2,232,898 km (0.08 R)
• M4: 2,844,155 km (0.079 R)
• M5: 4,417,176 km (0.045 R)
• M6: 5,379,839 km (0.079 R)
• M7: 6,450,810 km (0.113 R)
• M8: 7,023,470 km (0.081 R)
• M9: 8,121,519 km (0.062 R)
• M10: 12,649,996 km (0.101 R)
• M11: 13,093,404 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.4

Radius: 10.2

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.39 AU - 3.93 AU

Year: 3810 Days

Day: 8.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,779,595 km

• M1: 126,859 km (0.082 R)
• M2: 486,492 km (0.099 R)
• M3: 965,953 km (0.096 R)
• M4: 1,676,394 km (0.056 R)
• M5: 2,212,852 km (0.078 R)
• M6: 2,986,273 km (0.098 R)
• M7: 3,756,851 km (0.114 R)
• M8: 4,224,045 km (0.1 R)
• M9: 4,605,670 km (0.103 R)
• M10: 4,958,421 km (0.1 R)
• M11: 6,067,390 km (0.117 R)
• M12: 8,210,829 km (0.085 R)
• M13: 8,693,581 km (0.094 R)
• M14: 14,190,555 km (0.113 R)
• M15: 14,995,541 km (0.083 R)
• M16: 15,549,053 km (0.093 R)
• M17: 16,873,443 km (0.112 R)
• M18: 17,899,684 km (0.115 R)
• M19: 18,839,309 km (0.075 R)
• M20: 20,276,495 km (0.103 R)
• M21: 24,262,531 km (0.11 R)
• M22: 25,257,506 km (0.047 R)
• M23: 27,328,539 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95.9

Radius: 6.6

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 9.01 AU - 10.21 AU

Year: 20206 Days

Day: 24.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,779,595 km

• M1: 82,578 km (0.071 R)
• M2: 404,513 km (0.041 R)
• M3: 837,748 km (0.072 R)
• M4: 1,334,712 km (0.068 R)
• M5: 1,601,445 km (0.071 R)
• M6: 3,699,555 km (0.108 R)
• M7: 5,793,626 km (0.073 R)
• M8: 6,126,930 km (0.09 R)
• M9: 7,053,540 km (0.106 R)
• M10: 7,907,893 km (0.063 R)
• M11: 8,960,314 km (0.07 R)
• M12: 9,867,176 km (0.097 R)
• M13: 10,439,837 km (0.108 R)
• M14: 12,182,652 km (0.104 R)
• M15: 14,837,416 km (0.107 R)
• M16: 16,562,878 km (0.067 R)
• M17: 24,807,067 km (0.052 R)
• M18: 37,789,170 km (0.072 R)
• M19: 38,717,425 km (0.113 R)
• M20: 39,305,195 km (0.111 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 308 - 15,840 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit