🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884

Radius: 8.1

Gravity: 13.47 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.87 AU - 1.29 AU

Year: 775 Days

Day: 8 Hours

Environment

Temp: -171 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,793,602 km

• M1: 100,829 km (0.074 R)
• M2: 683,363 km (0.101 R)
• M3: 1,044,193 km (0.072 R)
• M4: 1,458,430 km (0.104 R)
• M5: 1,847,534 km (0.084 R)
• M6: 2,230,504 km (0.083 R)
• M7: 2,503,221 km (0.098 R)
• M8: 2,885,145 km (0.105 R)
• M9: 3,169,829 km (0.065 R)
• M10: 3,750,867 km (0.083 R)
• M11: 4,236,013 km (0.079 R)
• M12: 4,674,485 km (0.101 R)
• M13: 5,013,773 km (0.092 R)
• M14: 5,903,880 km (0.097 R)
• M15: 6,495,091 km (0.112 R)
• M16: 7,125,047 km (0.094 R)
• M17: 7,696,960 km (0.083 R)
• M18: 8,986,194 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.4

Radius: 8.7

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.97 AU - 1.55 AU

Year: 976 Days

Day: 12.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,793,602 km

• M1: 108,159 km (0.032 R)
• M2: 420,520 km (0.113 R)
• M3: 742,903 km (0.042 R)
• M4: 1,165,517 km (0.116 R)
• M5: 1,481,019 km (0.099 R)
• M6: 1,825,543 km (0.118 R)
• M7: 2,108,582 km (0.069 R)
• M8: 2,654,465 km (0.091 R)
• M9: 3,099,967 km (0.11 R)
• M10: 3,609,348 km (0.025 R)
• M11: 4,027,175 km (0.103 R)
• M12: 4,408,350 km (0.094 R)
• M13: 7,465,383 km (0.059 R)
• M14: 9,541,203 km (0.076 R)
• M15: 10,100,100 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.4

Radius: 13.3

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.27 AU - 1.77 AU

Year: 1294 Days

Day: 8.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,793,602 km

• M1: 165,455 km (0.099 R)
• M2: 752,028 km (0.064 R)
• M3: 1,289,085 km (0.107 R)
• M4: 1,714,990 km (0.07 R)
• M5: 2,629,332 km (0.078 R)
• M6: 3,533,053 km (0.07 R)
• M7: 4,590,411 km (0.112 R)
• M8: 5,560,104 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.6

Radius: 9.1

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.27 AU - 3.65 AU

Year: 4442 Days

Day: 14 Hours

Environment

Temp: -210 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,793,602 km

• M1: 113,246 km (0.086 R)
• M2: 467,793 km (0.105 R)
• M3: 775,815 km (0.089 R)
• M4: 1,102,387 km (0.087 R)
• M5: 1,533,079 km (0.031 R)
• M6: 2,002,966 km (0.081 R)
• M7: 2,388,779 km (0.088 R)
• M8: 2,949,771 km (0.072 R)
• M9: 3,596,034 km (0.091 R)
• M10: 4,009,223 km (0.094 R)
• M11: 4,576,348 km (0.059 R)
• M12: 4,983,255 km (0.111 R)
• M13: 5,359,194 km (0.09 R)
• M14: 6,289,842 km (0.06 R)
• M15: 6,793,688 km (0.084 R)
• M16: 10,145,728 km (0.103 R)
• M17: 11,797,438 km (0.103 R)
• M18: 12,515,507 km (0.115 R)
• M19: 13,060,493 km (0.102 R)
• M20: 17,327,772 km (0.03 R)
• M21: 19,675,112 km (0.094 R)
• M22: 25,538,451 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.1

Radius: 12.8

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.54 AU - 3.86 AU

Year: 4913 Days

Day: 13.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,793,602 km

• M1: 159,920 km (0.101 R)
• M2: 605,871 km (0.117 R)
• M3: 1,359,246 km (0.069 R)
• M4: 1,911,562 km (0.036 R)
• M5: 3,079,472 km (0.083 R)
• M6: 4,650,998 km (0.101 R)
• M7: 6,012,787 km (0.116 R)
• M8: 6,607,140 km (0.085 R)
• M9: 7,069,846 km (0.087 R)
• M10: 7,950,379 km (0.097 R)
• M11: 8,706,297 km (0.087 R)
• M12: 9,142,075 km (0.037 R)
• M13: 10,627,134 km (0.083 R)
• M14: 11,878,221 km (0.101 R)
• M15: 13,962,867 km (0.105 R)
• M16: 14,783,112 km (0.108 R)
• M17: 15,926,638 km (0.077 R)
• M18: 16,580,231 km (0.113 R)
• M19: 17,375,643 km (0.108 R)
• M20: 19,241,727 km (0.081 R)
• M21: 23,066,795 km (0.045 R)
• M22: 25,477,565 km (0.054 R)
• M23: 27,710,313 km (0.033 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538.9

Radius: 7.3

Gravity: 10.11 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 7.07 AU - 7.09 AU

Year: 13004 Days

Day: 21.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 64,793,602 km

• M1: 95,593 km (0.079 R)
• M2: 387,608 km (0.115 R)
• M3: 658,829 km (0.104 R)
• M4: 1,015,770 km (0.045 R)
• M5: 1,400,984 km (0.058 R)
• M6: 2,425,430 km (0.092 R)
• M7: 2,955,755 km (0.062 R)
• M8: 3,560,878 km (0.07 R)
• M9: 3,934,274 km (0.084 R)
• M10: 4,422,562 km (0.076 R)
• M11: 5,113,554 km (0.04 R)
• M12: 7,278,984 km (0.118 R)
• M13: 7,576,085 km (0.07 R)
• M14: 8,059,286 km (0.114 R)
• M15: 8,562,982 km (0.096 R)
• M16: 9,136,092 km (0.092 R)
• M17: 9,632,906 km (0.114 R)
• M18: 11,514,847 km (0.113 R)
• M19: 11,744,480 km (0.112 R)
• M20: 12,094,689 km (0.109 R)
• M21: 15,358,465 km (0.108 R)
• M22: 15,636,867 km (0.1 R)
• M23: 17,228,888 km (0.109 R)
• M24: 21,763,648 km (0.037 R)
• M25: 26,633,059 km (0.12 R)
• M26: 28,370,189 km (0.051 R)
• M27: 30,399,484 km (0.032 R)
• M28: 30,728,599 km (0.115 R)
• M29: 31,170,960 km (0.082 R)
• M30: 31,505,611 km (0.111 R)
• M31: 36,445,033 km (0.09 R)
• M32: 40,405,338 km (0.118 R)
• M33: 45,068,453 km (0.097 R)
• M34: 45,783,082 km (0.111 R)
• M35: 49,470,221 km (0.07 R)
• M36: 50,844,576 km (0.088 R)
• M37: 52,244,364 km (0.1 R)
• M38: 52,558,818 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 963.4

Radius: 5.2

Gravity: 35.63 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 6.44 AU - 7.9 AU

Year: 13252 Days

Day: 19.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 64,793,602 km

• M1: 64,776 km (0.04 R)
• M2: 227,538 km (0.077 R)
• M3: 672,742 km (0.117 R)
• M4: 1,485,656 km (0.1 R)
• M5: 2,541,967 km (0.096 R)
• M6: 3,034,593 km (0.098 R)
• M7: 3,729,774 km (0.063 R)
• M8: 4,396,532 km (0.097 R)
• M9: 4,929,100 km (0.109 R)
• M10: 5,104,130 km (0.058 R)
• M11: 6,324,100 km (0.034 R)
• M12: 7,403,599 km (0.098 R)
• M13: 8,253,315 km (0.056 R)
• M14: 9,324,435 km (0.065 R)
• M15: 10,775,235 km (0.081 R)
• M16: 11,190,220 km (0.083 R)
• M17: 12,563,828 km (0.11 R)
• M18: 14,046,043 km (0.117 R)
• M19: 16,795,503 km (0.087 R)
• M20: 17,840,892 km (0.075 R)
• M21: 24,124,153 km (0.1 R)
• M22: 24,426,490 km (0.059 R)
• M23: 25,557,001 km (0.082 R)
• M24: 26,294,369 km (0.073 R)
• M25: 28,930,134 km (0.064 R)
• M26: 29,730,782 km (0.043 R)
• M27: 32,221,586 km (0.117 R)
• M28: 32,588,400 km (0.064 R)
• M29: 35,884,789 km (0.084 R)
• M30: 45,389,640 km (0.108 R)
• M31: 46,470,035 km (0.118 R)
• M32: 50,963,058 km (0.072 R)
• M33: 51,794,672 km (0.051 R)
• M34: 55,037,505 km (0.091 R)
• M35: 56,975,546 km (0.08 R)
• M36: 58,413,181 km (0.079 R)
• M37: 60,244,110 km (0.043 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: 425 - 12,708 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit