🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.3

Radius: 13.8

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.92 AU - 1.26 AU

Year: 735 Days

Day: 9.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,637,113 km

• M1: 171,589 km (0.12 R)
• M2: 683,961 km (0.076 R)
• M3: 1,123,330 km (0.047 R)
• M4: 1,586,785 km (0.104 R)
• M5: 2,248,606 km (0.083 R)
• M6: 2,932,567 km (0.066 R)
• M7: 3,924,850 km (0.116 R)
• M8: 4,572,160 km (0.109 R)
• M9: 5,147,663 km (0.094 R)
• M10: 6,424,481 km (0.112 R)
• M11: 6,865,345 km (0.038 R)
• M12: 7,304,116 km (0.114 R)
• M13: 7,973,866 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.7

Radius: 14.2

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.03 AU - 1.45 AU

Year: 892 Days

Day: 11.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,637,113 km

• M1: 176,525 km (0.084 R)
• M2: 772,523 km (0.115 R)
• M3: 1,229,844 km (0.109 R)
• M4: 1,741,170 km (0.112 R)
• M5: 2,586,398 km (0.102 R)
• M6: 3,395,273 km (0.047 R)
• M7: 4,047,819 km (0.066 R)
• M8: 4,688,547 km (0.075 R)
• M9: 6,231,499 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.2

Radius: 13.8

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.28 AU - 1.5 AU

Year: 1058 Days

Day: 12.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,637,113 km

• M1: 171,589 km (0.066 R)
• M2: 723,904 km (0.117 R)
• M3: 1,172,399 km (0.113 R)
• M4: 1,777,671 km (0.071 R)
• M5: 2,241,724 km (0.114 R)
• M6: 2,865,248 km (0.112 R)
• M7: 3,790,062 km (0.119 R)
• M8: 4,305,427 km (0.078 R)
• M9: 4,886,614 km (0.061 R)
• M10: 6,140,245 km (0.117 R)
• M11: 7,048,154 km (0.095 R)
• M12: 8,124,062 km (0.056 R)
• M13: 10,282,310 km (0.099 R)
• M14: 11,058,125 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.1

Radius: 11.5

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.7 AU - 2.4 AU

Year: 1895 Days

Day: 9.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,637,113 km

• M1: 143,016 km (0.1 R)
• M2: 549,922 km (0.106 R)
• M3: 964,158 km (0.099 R)
• M4: 1,460,674 km (0.044 R)
• M5: 1,818,362 km (0.118 R)
• M6: 2,235,441 km (0.117 R)
• M7: 2,817,975 km (0.112 R)
• M8: 4,019,396 km (0.116 R)
• M9: 5,058,652 km (0.091 R)
• M10: 5,606,031 km (0.091 R)
• M11: 6,527,254 km (0.072 R)
• M12: 7,488,869 km (0.069 R)
• M13: 8,355,191 km (0.066 R)
• M14: 9,320,396 km (0.079 R)
• M15: 11,548,806 km (0.118 R)
• M16: 12,911,343 km (0.074 R)
• M17: 14,512,938 km (0.12 R)
• M18: 15,244,921 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.8

Radius: 8.4

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.32 AU - 3.14 AU

Year: 2912 Days

Day: 5.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 26,637,113 km

• M1: 104,719 km (0.098 R)
• M2: 398,828 km (0.066 R)
• M3: 721,511 km (0.105 R)
• M4: 1,024,297 km (0.11 R)
• M5: 1,433,297 km (0.102 R)
• M6: 1,824,047 km (0.108 R)
• M7: 2,299,020 km (0.115 R)
• M8: 3,308,955 km (0.066 R)
• M9: 4,340,881 km (0.107 R)
• M10: 4,612,102 km (0.105 R)
• M11: 5,089,619 km (0.109 R)
• M12: 5,652,406 km (0.112 R)
• M13: 6,902,147 km (0.097 R)
• M14: 8,121,818 km (0.092 R)
• M15: 9,035,263 km (0.12 R)
• M16: 11,023,418 km (0.111 R)
• M17: 11,402,350 km (0.08 R)
• M18: 11,789,808 km (0.083 R)
• M19: 12,455,369 km (0.079 R)
• M20: 12,866,464 km (0.064 R)
• M21: 13,428,802 km (0.032 R)
• M22: 13,716,030 km (0.095 R)
• M23: 15,369,685 km (0.106 R)
• M24: 16,598,183 km (0.095 R)
• M25: 16,929,243 km (0.028 R)
• M26: 17,320,890 km (0.101 R)
• M27: 19,676,159 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.2

Radius: 9.6

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.5 AU - 3.54 AU

Year: 4264 Days

Day: 14.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 26,637,113 km

• M1: 119,379 km (0.082 R)
• M2: 435,779 km (0.088 R)
• M3: 797,955 km (0.116 R)
• M4: 1,163,273 km (0.097 R)
• M5: 1,604,138 km (0.099 R)
• M6: 2,229,607 km (0.111 R)
• M7: 2,650,575 km (0.09 R)
• M8: 3,066,607 km (0.083 R)
• M9: 5,076,604 km (0.119 R)
• M10: 5,663,027 km (0.079 R)
• M11: 6,675,207 km (0.094 R)
• M12: 7,449,076 km (0.11 R)
• M13: 7,767,720 km (0.107 R)
• M14: 8,318,988 km (0.094 R)
• M15: 10,087,833 km (0.119 R)
• M16: 11,522,776 km (0.087 R)
• M17: 12,936,476 km (0.059 R)
• M18: 13,764,201 km (0.077 R)
• M19: 14,462,374 km (0.076 R)
• M20: 14,792,537 km (0.061 R)
• M21: 15,410,974 km (0.097 R)
• M22: 16,819,737 km (0.039 R)
• M23: 21,560,045 km (0.055 R)
• M24: 22,501,465 km (0.118 R)
• M25: 24,311,300 km (0.026 R)
• M26: 25,172,535 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.3

Radius: 10.1

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.91 AU - 4.25 AU

Year: 4374 Days

Day: 13.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 26,637,113 km

• M1: 125,961 km (0.1 R)
• M2: 547,678 km (0.086 R)
• M3: 948,002 km (0.09 R)
• M4: 1,324,689 km (0.095 R)
• M5: 1,681,181 km (0.097 R)
• M6: 2,301,713 km (0.088 R)
• M7: 2,806,905 km (0.093 R)
• M8: 3,462,443 km (0.111 R)
• M9: 4,239,454 km (0.071 R)
• M10: 5,549,632 km (0.078 R)
• M11: 7,048,154 km (0.091 R)
• M12: 8,471,727 km (0.074 R)
• M13: 9,099,290 km (0.094 R)
• M14: 10,037,568 km (0.087 R)
• M15: 11,039,276 km (0.109 R)
• M16: 11,969,176 km (0.11 R)
• M17: 14,136,550 km (0.106 R)
• M18: 14,495,884 km (0.046 R)
• M19: 15,393,770 km (0.055 R)
• M20: 18,553,427 km (0.101 R)
• M21: 18,984,419 km (0.099 R)
• M22: 19,359,012 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.2

Radius: 13.1

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.43 AU - 5.19 AU

Year: 5777 Days

Day: 9.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,637,113 km

• M1: 162,912 km (0.113 R)
• M2: 607,068 km (0.057 R)
• M3: 2,372,323 km (0.059 R)
• M4: 2,946,779 km (0.081 R)
• M5: 3,842,571 km (0.095 R)
• M6: 4,640,077 km (0.065 R)
• M7: 5,408,861 km (0.098 R)
• M8: 5,967,609 km (0.12 R)
• M9: 6,941,640 km (0.108 R)
• M10: 13,415,039 km (0.082 R)
• M11: 15,854,233 km (0.096 R)
• M12: 17,297,403 km (0.114 R)
• M13: 21,116,039 km (0.111 R)
• M14: 21,872,405 km (0.117 R)
• M15: 22,789,590 km (0.066 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 19,725 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit