🌌 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: 905

Radius: 9.5

Gravity: 10.03 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.51 AU - 0.55 AU

Year: 262 Days

Day: 13 Hours

Environment

Temp: -150 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,366,813 km

• M1: 118,182 km (0.111 R)
• M2: 448,046 km (0.059 R)
• M3: 768,185 km (0.064 R)
• M4: 1,103,883 km (0.12 R)
• M5: 1,557,613 km (0.067 R)
• M6: 1,890,169 km (0.088 R)
• M7: 2,396,857 km (0.066 R)
• M8: 2,786,410 km (0.114 R)
• M9: 3,489,221 km (0.093 R)
• M10: 3,918,866 km (0.094 R)
• M11: 4,254,414 km (0.097 R)
• M12: 4,622,574 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.4

Radius: 10.5

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.66 AU - 0.76 AU

Year: 406 Days

Day: 12.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,366,813 km

• M1: 130,599 km (0.051 R)
• M2: 599,887 km (0.074 R)
• M3: 1,024,297 km (0.09 R)
• M4: 1,516,922 km (0.083 R)
• M5: 1,953,898 km (0.047 R)
• M6: 2,426,627 km (0.093 R)
• M7: 2,846,099 km (0.097 R)
• M8: 5,319,850 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.5

Radius: 14.5

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.75 AU - 0.89 AU

Year: 504 Days

Day: 14.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,366,813 km

• M1: 180,415 km (0.086 R)
• M2: 636,689 km (0.091 R)
• M3: 1,503,159 km (0.077 R)
• M4: 2,036,027 km (0.078 R)
• M5: 2,573,083 km (0.091 R)
• M6: 3,470,820 km (0.096 R)
• M7: 4,007,428 km (0.119 R)
• M8: 4,614,346 km (0.039 R)
• M9: 5,299,056 km (0.117 R)
• M10: 6,087,586 km (0.089 R)
• M11: 6,675,356 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.9

Radius: 14.4

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.2 AU - 1.42 AU

Year: 1017 Days

Day: 6.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 35,366,813 km

• M1: 180,265 km (0.034 R)
• M2: 1,081,443 km (0.104 R)
• M3: 1,598,902 km (0.114 R)
• M4: 2,139,399 km (0.1 R)
• M5: 2,624,395 km (0.072 R)
• M6: 5,306,685 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.8

Radius: 11.3

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.29 AU - 1.53 AU

Year: 1136 Days

Day: 14.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,366,813 km

• M1: 140,472 km (0.095 R)
• M2: 562,638 km (0.086 R)
• M3: 1,069,774 km (0.049 R)
• M4: 1,586,635 km (0.088 R)
• M5: 2,112,322 km (0.073 R)
• M6: 2,562,163 km (0.098 R)
• M7: 3,305,963 km (0.087 R)
• M8: 3,769,268 km (0.05 R)
• M9: 4,293,309 km (0.076 R)
• M10: 4,923,565 km (0.111 R)
• M11: 6,843,803 km (0.12 R)
• M12: 7,890,988 km (0.098 R)
• M13: 8,523,638 km (0.111 R)
• M14: 9,890,214 km (0.1 R)
• M15: 11,501,084 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.1

Radius: 10.7

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.2 AU - 1.72 AU

Year: 1197 Days

Day: 10.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,366,813 km

• M1: 133,142 km (0.075 R)
• M2: 482,004 km (0.116 R)
• M3: 1,182,272 km (0.12 R)
• M4: 1,652,458 km (0.098 R)
• M5: 2,020,170 km (0.077 R)
• M6: 2,592,531 km (0.065 R)
• M7: 3,396,769 km (0.099 R)
• M8: 4,242,296 km (0.106 R)
• M9: 5,357,698 km (0.116 R)
• M10: 6,196,194 km (0.066 R)
• M11: 7,382,805 km (0.091 R)
• M12: 8,315,248 km (0.093 R)
• M13: 8,714,974 km (0.078 R)
• M14: 9,962,171 km (0.049 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.7

Radius: 12.5

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.94 AU - 2.5 AU

Year: 2243 Days

Day: 11.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,366,813 km

• M1: 156,479 km (0.104 R)
• M2: 547,528 km (0.077 R)
• M3: 958,324 km (0.113 R)
• M4: 1,637,199 km (0.119 R)
• M5: 2,038,271 km (0.087 R)
• M6: 2,605,097 km (0.066 R)
• M7: 3,258,690 km (0.105 R)
• M8: 3,809,360 km (0.038 R)
• M9: 4,257,555 km (0.067 R)
• M10: 4,740,906 km (0.067 R)
• M11: 5,547,089 km (0.111 R)
• M12: 6,388,876 km (0.108 R)
• M13: 6,882,998 km (0.077 R)
• M14: 7,313,989 km (0.116 R)
• M15: 8,916,931 km (0.089 R)
• M16: 10,072,125 km (0.091 R)
• M17: 11,364,053 km (0.035 R)
• M18: 12,257,152 km (0.101 R)
• M19: 12,678,270 km (0.081 R)
• M20: 13,328,123 km (0.088 R)
• M21: 13,954,489 km (0.085 R)
• M22: 14,600,603 km (0.112 R)
• M23: 15,557,879 km (0.086 R)
• M24: 16,152,232 km (0.064 R)
• M25: 17,811,122 km (0.06 R)
• M26: 18,243,012 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799

Radius: 11.7

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.96 AU - 3.24 AU

Year: 2843 Days

Day: 10 Hours

Environment

Temp: -216 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,366,813 km

• M1: 145,708 km (0.087 R)
• M2: 581,637 km (0.097 R)
• M3: 945,758 km (0.104 R)
• M4: 1,421,180 km (0.056 R)
• M5: 2,482,876 km (0.086 R)
• M6: 3,245,975 km (0.099 R)
• M7: 3,692,674 km (0.109 R)
• M8: 5,616,502 km (0.065 R)
• M9: 7,142,102 km (0.089 R)
• M10: 7,804,521 km (0.07 R)
• M11: 10,078,409 km (0.106 R)
• M12: 10,871,576 km (0.08 R)
• M13: 12,672,585 km (0.102 R)
• M14: 13,361,483 km (0.118 R)
• M15: 13,786,790 km (0.106 R)
• M16: 14,367,978 km (0.073 R)
• M17: 16,423,602 km (0.114 R)
• M18: 18,610,125 km (0.082 R)
• M19: 19,081,508 km (0.101 R)
• M20: 19,925,688 km (0.054 R)
• M21: 21,047,373 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.5

Radius: 4.8

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.42 AU - 8.42 AU

Year: 12347 Days

Day: 20.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 35,366,813 km

• M1: 59,690 km (0.093 R)
• M2: 276,008 km (0.117 R)
• M3: 578,944 km (0.072 R)
• M4: 1,173,745 km (0.056 R)
• M5: 2,565,005 km (0.047 R)
• M6: 3,939,959 km (0.078 R)
• M7: 5,168,756 km (0.084 R)
• M8: 6,984,276 km (0.049 R)
• M9: 9,402,226 km (0.07 R)
• M10: 11,112,429 km (0.078 R)
• M11: 12,326,416 km (0.12 R)
• M12: 13,183,163 km (0.032 R)
• M13: 14,021,808 km (0.025 R)
• M14: 15,254,794 km (0.111 R)
• M15: 15,497,591 km (0.106 R)
• M16: 16,431,082 km (0.077 R)
• M17: 22,205,111 km (0.069 R)
• M18: 22,595,412 km (0.109 R)
• M19: 24,450,126 km (0.069 R)
• M20: 25,202,604 km (0.09 R)
• M21: 26,666,120 km (0.057 R)
• M22: 28,367,646 km (0.064 R)
• M23: 30,811,626 km (0.093 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 19,252 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit