🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.4

Radius: 12.5

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.6 AU - 0.72 AU

Year: 364 Days

Day: 10 Hours

Environment

Temp: -146 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,234,738 km

• M1: 155,432 km (0.113 R)
• M2: 599,887 km (0.099 R)
• M3: 1,038,957 km (0.099 R)
• M4: 1,629,869 km (0.119 R)
• M5: 2,155,406 km (0.089 R)
• M6: 2,774,741 km (0.094 R)
• M7: 3,412,776 km (0.084 R)
• M8: 3,813,549 km (0.106 R)
• M9: 4,295,852 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.8

Radius: 10.3

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.8 AU - 1.16 AU

Year: 658 Days

Day: 14.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,234,738 km

• M1: 128,056 km (0.045 R)
• M2: 452,234 km (0.082 R)
• M3: 794,065 km (0.105 R)
• M4: 1,335,909 km (0.052 R)
• M5: 1,809,835 km (0.11 R)
• M6: 2,366,489 km (0.086 R)
• M7: 2,781,623 km (0.112 R)
• M8: 3,233,708 km (0.088 R)
• M9: 4,030,167 km (0.115 R)
• M10: 4,496,314 km (0.058 R)
• M11: 4,861,781 km (0.112 R)
• M12: 5,215,580 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480

Radius: 15

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.28 AU - 2 AU

Year: 1424 Days

Day: 5.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,234,738 km

• M1: 186,549 km (0.082 R)
• M2: 793,916 km (0.084 R)
• M3: 1,298,659 km (0.083 R)
• M4: 2,005,808 km (0.073 R)
• M5: 2,896,514 km (0.115 R)
• M6: 3,907,496 km (0.105 R)
• M7: 5,713,591 km (0.086 R)
• M8: 6,394,711 km (0.064 R)
• M9: 7,403,449 km (0.076 R)
• M10: 8,683,708 km (0.11 R)
• M11: 9,376,944 km (0.09 R)
• M12: 9,859,547 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.2

Radius: 13

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.61 AU - 1.99 AU

Year: 1638 Days

Day: 9.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,234,738 km

• M1: 161,715 km (0.107 R)
• M2: 750,233 km (0.08 R)
• M3: 1,182,571 km (0.041 R)
• M4: 2,028,996 km (0.101 R)
• M5: 2,490,356 km (0.052 R)
• M6: 2,907,435 km (0.065 R)
• M7: 3,329,899 km (0.084 R)
• M8: 3,947,289 km (0.105 R)
• M9: 4,639,928 km (0.078 R)
• M10: 5,748,747 km (0.049 R)
• M11: 6,290,291 km (0.089 R)
• M12: 6,934,609 km (0.078 R)
• M13: 7,476,453 km (0.083 R)
• M14: 9,642,630 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.2

Radius: 11.2

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.25 AU - 3.45 AU

Year: 3263 Days

Day: 10.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,234,738 km

• M1: 139,724 km (0.088 R)
• M2: 654,640 km (0.083 R)
• M3: 1,315,264 km (0.1 R)
• M4: 1,732,643 km (0.111 R)
• M5: 2,196,546 km (0.102 R)
• M6: 2,566,651 km (0.093 R)
• M7: 3,173,719 km (0.102 R)
• M8: 3,610,245 km (0.105 R)
• M9: 4,022,238 km (0.094 R)
• M10: 4,465,496 km (0.082 R)
• M11: 5,015,717 km (0.087 R)
• M12: 5,856,009 km (0.074 R)
• M13: 7,748,123 km (0.116 R)
• M14: 11,653,973 km (0.027 R)
• M15: 14,922,088 km (0.095 R)
• M16: 16,374,235 km (0.114 R)
• M17: 18,635,257 km (0.109 R)
• M18: 19,123,545 km (0.097 R)
• M19: 22,166,814 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.8

Radius: 9.3

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.89 AU - 4.41 AU

Year: 4730 Days

Day: 10 Hours

Environment

Temp: -220 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,234,738 km

• M1: 118,631 km (0.086 R)
• M2: 430,094 km (0.108 R)
• M3: 1,145,022 km (0.115 R)
• M4: 1,670,709 km (0.089 R)
• M5: 2,077,914 km (0.057 R)
• M6: 2,950,968 km (0.11 R)
• M7: 4,387,257 km (0.098 R)
• M8: 5,193,888 km (0.103 R)
• M9: 6,419,095 km (0.107 R)
• M10: 8,386,905 km (0.105 R)
• M11: 12,935,728 km (0.109 R)
• M12: 15,163,689 km (0.101 R)
• M13: 21,558,400 km (0.115 R)
• M14: 24,745,133 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.2

Radius: 13.4

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.18 AU - 4.8 AU

Year: 5406 Days

Day: 7.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,234,738 km

• M1: 193,131 km (0.095 R)
• M2: 662,719 km (0.064 R)
• M3: 1,185,414 km (0.107 R)
• M4: 1,973,944 km (0.1 R)
• M5: 2,955,605 km (0.107 R)
• M6: 3,949,384 km (0.098 R)
• M7: 6,506,460 km (0.065 R)
• M8: 8,419,069 km (0.081 R)
• M9: 9,157,185 km (0.079 R)
• M10: 13,940,726 km (0.084 R)
• M11: 15,177,302 km (0.114 R)
• M12: 16,756,158 km (0.08 R)
• M13: 20,673,678 km (0.051 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 454.7

Radius: 7.8

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 6.82 AU - 9.36 AU

Year: 15607 Days

Day: 20.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 46,234,738 km

• M1: 96,939 km (0.109 R)
• M2: 340,186 km (0.066 R)
• M3: 609,761 km (0.114 R)
• M4: 863,778 km (0.107 R)
• M5: 1,130,362 km (0.106 R)
• M6: 1,770,042 km (0.119 R)
• M7: 2,060,711 km (0.111 R)
• M8: 2,827,998 km (0.115 R)
• M9: 5,146,765 km (0.073 R)
• M10: 5,743,661 km (0.12 R)
• M11: 6,991,606 km (0.04 R)
• M12: 7,948,284 km (0.066 R)
• M13: 9,188,301 km (0.064 R)
• M14: 11,111,531 km (0.045 R)
• M15: 11,514,548 km (0.054 R)
• M16: 15,591,688 km (0.092 R)
• M17: 16,464,293 km (0.091 R)
• M18: 18,306,890 km (0.114 R)
• M19: 19,113,821 km (0.111 R)
• M20: 20,798,143 km (0.115 R)
• M21: 22,947,416 km (0.12 R)
• M22: 23,319,466 km (0.113 R)
• M23: 25,537,254 km (0.07 R)
• M24: 28,851,595 km (0.088 R)
• M25: 33,622,421 km (0.093 R)
• M26: 34,223,206 km (0.032 R)
• M27: 35,076,362 km (0.12 R)
• M28: 38,239,161 km (0.089 R)
• M29: 40,225,222 km (0.1 R)
• M30: 41,724,791 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383.1

Radius: 7.4

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 7.85 AU - 9.47 AU

Year: 17285 Days

Day: 22 Hours

Environment

Temp: -238 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 46,234,738 km

• M1: 97,987 km (0.062 R)
• M2: 337,942 km (0.084 R)
• M3: 791,971 km (0.053 R)
• M4: 1,067,231 km (0.114 R)
• M5: 1,735,186 km (0.026 R)
• M6: 2,265,361 km (0.114 R)
• M7: 2,719,540 km (0.1 R)
• M8: 3,015,295 km (0.109 R)
• M9: 3,618,473 km (0.077 R)
• M10: 4,063,377 km (0.051 R)
• M11: 4,638,581 km (0.116 R)
• M12: 4,995,671 km (0.103 R)
• M13: 7,984,936 km (0.057 R)
• M14: 8,498,505 km (0.112 R)
• M15: 8,739,208 km (0.112 R)
• M16: 13,365,672 km (0.12 R)
• M17: 18,026,543 km (0.115 R)
• M18: 19,073,429 km (0.058 R)
• M19: 19,737,494 km (0.115 R)
• M20: 21,553,762 km (0.099 R)
• M21: 22,365,181 km (0.107 R)
• M22: 23,103,446 km (0.059 R)
• M23: 23,667,730 km (0.113 R)
• M24: 23,953,312 km (0.105 R)
• M25: 26,730,746 km (0.106 R)
• M26: 28,517,692 km (0.095 R)
• M27: 34,476,325 km (0.081 R)
• M28: 35,960,336 km (0.103 R)
• M29: 39,721,675 km (0.08 R)
• M30: 48,626,189 km (0.115 R)
• M31: 56,879,055 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182.7

Radius: 3.7

Gravity: 13.35 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 8.33 AU - 9.69 AU

Year: 18343 Days

Day: 16.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 46,234,738 km

• M1: 46,076 km (0.11 R)
• M2: 378,034 km (0.087 R)
• M3: 830,119 km (0.097 R)
• M4: 1,268,291 km (0.064 R)
• M5: 2,255,337 km (0.092 R)
• M6: 2,641,001 km (0.063 R)
• M7: 3,641,960 km (0.105 R)
• M8: 3,900,615 km (0.076 R)
• M9: 5,348,124 km (0.111 R)
• M10: 5,924,225 km (0.095 R)
• M11: 6,173,007 km (0.062 R)
• M12: 7,400,158 km (0.094 R)
• M13: 7,647,144 km (0.038 R)
• M14: 8,918,875 km (0.112 R)
• M15: 9,340,592 km (0.071 R)
• M16: 11,928,485 km (0.072 R)
• M17: 13,446,156 km (0.064 R)
• M18: 14,827,094 km (0.101 R)
• M19: 16,024,924 km (0.11 R)
• M20: 17,940,525 km (0.11 R)
• M21: 18,991,300 km (0.066 R)
• M22: 19,766,666 km (0.052 R)
• M23: 20,321,824 km (0.065 R)
• M24: 22,218,874 km (0.059 R)
• M25: 24,866,308 km (0.101 R)
• M26: 25,234,468 km (0.031 R)
• M27: 28,013,099 km (0.084 R)
• M28: 28,814,046 km (0.097 R)
• M29: 33,270,566 km (0.03 R)
• M30: 39,522,112 km (0.11 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 12,296 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit