🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.8

Radius: 11.3

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.47 AU - 0.78 AU

Year: 343 Days

Day: 10 Hours

Environment

Temp: -148 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,485,113 km

• M1: 140,472 km (0.115 R)
• M2: 521,648 km (0.094 R)
• M3: 904,918 km (0.086 R)
• M4: 1,388,418 km (0.072 R)
• M5: 2,057,569 km (0.116 R)
• M6: 3,001,980 km (0.114 R)
• M7: 3,521,085 km (0.101 R)
• M8: 3,887,600 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.6

Radius: 8.5

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.66 AU - 0.76 AU

Year: 421 Days

Day: 14.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,485,113 km

• M1: 105,766 km (0.04 R)
• M2: 448,943 km (0.057 R)
• M3: 724,802 km (0.113 R)
• M4: 1,088,025 km (0.083 R)
• M5: 2,191,010 km (0.11 R)
• M6: 2,633,970 km (0.074 R)
• M7: 3,028,310 km (0.083 R)
• M8: 3,415,170 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.6

Radius: 10

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.17 AU - 1.21 AU

Year: 912 Days

Day: 6.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,485,113 km

• M1: 124,316 km (0.103 R)
• M2: 478,713 km (0.108 R)
• M3: 992,582 km (0.086 R)
• M4: 1,425,668 km (0.112 R)
• M5: 1,983,069 km (0.104 R)
• M6: 3,177,908 km (0.051 R)
• M7: 3,605,009 km (0.112 R)
• M8: 5,194,936 km (0.073 R)
• M9: 5,671,255 km (0.114 R)
• M10: 6,933,861 km (0.1 R)
• M11: 8,503,442 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.5

Radius: 13.4

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.32 AU - 2.58 AU

Year: 2696 Days

Day: 5.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,485,113 km

• M1: 167,699 km (0.063 R)
• M2: 759,359 km (0.113 R)
• M3: 1,192,445 km (0.102 R)
• M4: 1,712,297 km (0.045 R)
• M5: 2,703,832 km (0.108 R)
• M6: 3,343,662 km (0.052 R)
• M7: 4,948,099 km (0.03 R)
• M8: 5,604,834 km (0.068 R)
• M9: 6,602,352 km (0.083 R)
• M10: 8,204,695 km (0.073 R)
• M11: 10,738,135 km (0.047 R)
• M12: 11,488,817 km (0.099 R)
• M13: 11,912,927 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.8

Radius: 10.4

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.82 AU - 4.5 AU

Year: 5964 Days

Day: 11.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 55,485,113 km

• M1: 129,402 km (0.03 R)
• M2: 472,729 km (0.06 R)
• M3: 967,150 km (0.075 R)
• M4: 1,391,559 km (0.111 R)
• M5: 1,751,641 km (0.074 R)
• M6: 2,571,737 km (0.031 R)
• M7: 3,447,184 km (0.073 R)
• M8: 4,429,443 km (0.085 R)
• M9: 4,842,633 km (0.083 R)
• M10: 5,221,564 km (0.119 R)
• M11: 6,006,055 km (0.114 R)
• M12: 6,478,635 km (0.078 R)
• M13: 7,498,593 km (0.089 R)
• M14: 8,791,568 km (0.115 R)
• M15: 9,136,840 km (0.109 R)
• M16: 12,023,330 km (0.1 R)
• M17: 12,503,390 km (0.082 R)
• M18: 14,552,282 km (0.105 R)
• M19: 14,914,459 km (0.058 R)
• M20: 19,016,582 km (0.055 R)
• M21: 20,410,685 km (0.098 R)
• M22: 21,480,459 km (0.097 R)
• M23: 23,815,083 km (0.08 R)
• M24: 25,783,193 km (0.113 R)
• M25: 26,671,804 km (0.087 R)
• M26: 29,364,416 km (0.105 R)
• M27: 32,540,230 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.8

Radius: 11.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.7 AU - 4.66 AU

Year: 6007 Days

Day: 8.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,485,113 km

• M1: 148,102 km (0.099 R)
• M2: 583,432 km (0.071 R)
• M3: 1,063,641 km (0.118 R)
• M4: 1,438,384 km (0.052 R)
• M5: 2,093,473 km (0.079 R)
• M6: 2,712,658 km (0.088 R)
• M7: 3,196,757 km (0.046 R)
• M8: 3,621,316 km (0.112 R)
• M9: 4,318,442 km (0.112 R)
• M10: 4,699,468 km (0.099 R)
• M11: 7,261,780 km (0.111 R)
• M12: 7,770,562 km (0.044 R)
• M13: 8,371,347 km (0.035 R)
• M14: 9,183,813 km (0.107 R)
• M15: 11,006,813 km (0.071 R)
• M16: 11,894,975 km (0.111 R)
• M17: 12,513,263 km (0.102 R)
• M18: 17,968,499 km (0.118 R)
• M19: 20,990,077 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 962.2

Radius: 4.9

Gravity: 40.07 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 5.02 AU - 8.02 AU

Year: 11703 Days

Day: 18.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 55,485,113 km

• M1: 84,074 km (0.071 R)
• M2: 353,500 km (0.101 R)
• M3: 537,356 km (0.105 R)
• M4: 991,385 km (0.111 R)
• M5: 1,181,823 km (0.12 R)
• M6: 1,940,135 km (0.094 R)
• M7: 2,886,042 km (0.094 R)
• M8: 3,226,527 km (0.108 R)
• M9: 3,620,717 km (0.105 R)
• M10: 4,410,295 km (0.102 R)
• M11: 5,379,839 km (0.045 R)
• M12: 5,596,905 km (0.093 R)
• M13: 7,868,100 km (0.066 R)
• M14: 10,186,717 km (0.043 R)
• M15: 11,323,512 km (0.078 R)
• M16: 12,860,031 km (0.098 R)
• M17: 13,711,692 km (0.113 R)
• M18: 14,048,886 km (0.064 R)
• M19: 15,309,248 km (0.082 R)
• M20: 17,182,063 km (0.112 R)
• M21: 21,106,464 km (0.072 R)
• M22: 22,849,130 km (0.097 R)
• M23: 23,038,072 km (0.115 R)
• M24: 23,227,912 km (0.046 R)
• M25: 24,784,777 km (0.083 R)
• M26: 26,513,829 km (0.047 R)
• M27: 28,104,952 km (0.093 R)
• M28: 29,089,456 km (0.054 R)
• M29: 32,656,617 km (0.1 R)
• M30: 33,866,714 km (0.103 R)
• M31: 35,232,094 km (0.106 R)
• M32: 36,892,480 km (0.112 R)
• M33: 40,921,750 km (0.066 R)
• M34: 42,898,536 km (0.117 R)
• M35: 49,524,375 km (0.107 R)
• M36: 54,581,232 km (0.064 R)
• M37: 55,088,219 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474.7

Radius: 3.4

Gravity: 41.06 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 6.35 AU - 9.01 AU

Year: 14961 Days

Day: 22.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,485,113 km

• M1: 42,486 km (0.111 R)
• M2: 428,598 km (0.067 R)
• M3: 950,844 km (0.05 R)
• M4: 1,380,489 km (0.117 R)
• M5: 1,494,782 km (0.071 R)
• M6: 1,630,916 km (0.034 R)
• M7: 3,644,055 km (0.081 R)
• M8: 5,438,930 km (0.08 R)
• M9: 8,967,944 km (0.034 R)
• M10: 9,623,332 km (0.067 R)
• M11: 12,938,720 km (0.065 R)
• M12: 13,708,550 km (0.061 R)
• M13: 14,988,959 km (0.086 R)
• M14: 20,054,043 km (0.118 R)
• M15: 21,257,857 km (0.118 R)
• M16: 25,156,976 km (0.11 R)
• M17: 27,170,713 km (0.118 R)
• M18: 37,954,027 km (0.077 R)
• M19: 46,979,715 km (0.113 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: 525 - 14,069 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit