🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.56 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.5

Radius: 13.6

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.74 AU - 3.48 AU

Year: 3786 Days

Day: 6.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,589,415 km

• M1: 169,195 km (0.099 R)
• M2: 906,563 km (0.054 R)
• M3: 2,975,950 km (0.097 R)
• M4: 3,847,208 km (0.095 R)
• M5: 4,766,487 km (0.114 R)
• M6: 5,241,610 km (0.104 R)
• M7: 5,987,206 km (0.086 R)
• M8: 6,628,083 km (0.109 R)
• M9: 7,221,987 km (0.042 R)
• M10: 8,448,989 km (0.114 R)
• M11: 9,005,343 km (0.076 R)
• M12: 9,438,728 km (0.102 R)
• M13: 10,153,357 km (0.089 R)
• M14: 10,583,451 km (0.08 R)
• M15: 12,965,199 km (0.085 R)
• M16: 13,612,658 km (0.109 R)
• M17: 14,673,457 km (0.12 R)
• M18: 15,530,503 km (0.114 R)
• M19: 17,178,772 km (0.103 R)
• M20: 21,389,204 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477

Radius: 11.8

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.44 AU - 4.92 AU

Year: 5899 Days

Day: 5.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,589,415 km

• M1: 146,756 km (0.12 R)
• M2: 622,626 km (0.06 R)
• M3: 1,295,069 km (0.072 R)
• M4: 2,211,206 km (0.068 R)
• M5: 2,714,453 km (0.046 R)
• M6: 3,353,835 km (0.081 R)
• M7: 4,068,164 km (0.099 R)
• M8: 4,573,805 km (0.091 R)
• M9: 6,192,155 km (0.063 R)
• M10: 8,657,079 km (0.052 R)
• M11: 9,211,040 km (0.102 R)
• M12: 10,970,610 km (0.072 R)
• M13: 13,407,560 km (0.109 R)
• M14: 14,421,684 km (0.09 R)
• M15: 16,965,895 km (0.081 R)
• M16: 17,897,889 km (0.052 R)
• M17: 20,968,984 km (0.113 R)
• M18: 21,608,515 km (0.113 R)
• M19: 28,651,583 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.1

Radius: 8.9

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.95 AU - 4.93 AU

Year: 6458 Days

Day: 5.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,589,415 km

• M1: 110,702 km (0.078 R)
• M2: 785,838 km (0.11 R)
• M3: 1,411,755 km (0.099 R)
• M4: 1,812,528 km (0.12 R)
• M5: 2,424,084 km (0.097 R)
• M6: 2,806,755 km (0.063 R)
• M7: 3,229,668 km (0.109 R)
• M8: 3,648,393 km (0.063 R)
• M9: 4,004,436 km (0.12 R)
• M10: 5,302,048 km (0.081 R)
• M11: 5,886,377 km (0.066 R)
• M12: 6,581,409 km (0.091 R)
• M13: 6,931,019 km (0.049 R)
• M14: 7,478,846 km (0.03 R)
• M15: 8,334,247 km (0.082 R)
• M16: 9,167,058 km (0.111 R)
• M17: 9,737,475 km (0.108 R)
• M18: 10,331,379 km (0.09 R)
• M19: 11,046,456 km (0.107 R)
• M20: 13,005,440 km (0.081 R)
• M21: 14,766,656 km (0.058 R)
• M22: 15,367,292 km (0.09 R)
• M23: 19,891,580 km (0.072 R)
• M24: 22,612,915 km (0.092 R)
• M25: 23,089,384 km (0.073 R)
• M26: 30,676,091 km (0.034 R)
• M27: 31,358,107 km (0.12 R)
• M28: 32,551,001 km (0.082 R)
• M29: 33,773,664 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.1

Radius: 10.7

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 4.45 AU - 5.33 AU

Year: 7464 Days

Day: 11 Hours

Environment

Temp: -228 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,589,415 km

• M1: 132,993 km (0.091 R)
• M2: 523,293 km (0.086 R)
• M3: 1,100,891 km (0.096 R)
• M4: 1,471,445 km (0.104 R)
• M5: 1,835,865 km (0.069 R)
• M6: 2,505,615 km (0.083 R)
• M7: 3,548,910 km (0.059 R)
• M8: 4,422,861 km (0.06 R)
• M9: 6,111,522 km (0.074 R)
• M10: 6,686,875 km (0.054 R)
• M11: 7,297,833 km (0.09 R)
• M12: 8,374,339 km (0.042 R)
• M13: 9,317,105 km (0.072 R)
• M14: 9,997,626 km (0.109 R)
• M15: 10,970,760 km (0.069 R)
• M16: 12,005,828 km (0.077 R)
• M17: 13,602,934 km (0.114 R)
• M18: 16,979,209 km (0.107 R)
• M19: 19,303,960 km (0.118 R)
• M20: 20,742,792 km (0.068 R)
• M21: 21,972,337 km (0.041 R)
• M22: 24,276,892 km (0.118 R)
• M23: 24,877,378 km (0.038 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 237.5

Radius: 3

Gravity: 26.39 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 8.07 AU - 12.61 AU

Year: 22950 Days

Day: 16.8 Hours

Environment

Temp: -244 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,589,415 km

• M1: 37,399 km (0.114 R)
• M2: 141,071 km (0.076 R)
• M3: 384,467 km (0.08 R)
• M4: 571,913 km (0.111 R)
• M5: 669,301 km (0.12 R)
• M6: 768,484 km (0.039 R)
• M7: 1,102,387 km (0.086 R)
• M8: 1,378,544 km (0.117 R)
• M9: 2,028,846 km (0.046 R)
• M10: 2,141,494 km (0.081 R)
• M11: 3,457,356 km (0.115 R)
• M12: 4,923,715 km (0.107 R)
• M13: 5,444,315 km (0.081 R)
• M14: 7,225,428 km (0.1 R)
• M15: 8,754,318 km (0.047 R)
• M16: 11,226,722 km (0.098 R)
• M17: 12,062,675 km (0.098 R)
• M18: 12,939,169 km (0.087 R)
• M19: 18,774,832 km (0.104 R)
• M20: 21,171,390 km (0.053 R)
• M21: 22,074,363 km (0.068 R)
• M22: 24,937,067 km (0.097 R)
• M23: 27,823,259 km (0.089 R)
• M24: 31,850,883 km (0.111 R)
• M25: 34,002,998 km (0.103 R)
• M26: 34,741,413 km (0.05 R)
• M27: 36,122,650 km (0.105 R)
• M28: 48,669,722 km (0.03 R)
• M29: 57,541,774 km (0.042 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 472 - 18,935 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit