🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414

Radius: 8.6

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.01 AU - 1.59 AU

Year: 972 Days

Day: 8.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,501,287 km

• M1: 106,962 km (0.105 R)
• M2: 411,095 km (0.073 R)
• M3: 711,787 km (0.04 R)
• M4: 1,084,435 km (0.114 R)
• M5: 1,381,088 km (0.066 R)
• M6: 1,715,738 km (0.074 R)
• M7: 2,233,047 km (0.083 R)
• M8: 2,584,453 km (0.106 R)
• M9: 3,372,086 km (0.087 R)
• M10: 3,705,689 km (0.039 R)
• M11: 4,061,433 km (0.072 R)
• M12: 4,620,929 km (0.077 R)
• M13: 4,980,712 km (0.066 R)
• M14: 6,296,724 km (0.091 R)
• M15: 6,568,543 km (0.065 R)
• M16: 6,869,983 km (0.082 R)
• M17: 7,203,287 km (0.113 R)
• M18: 8,169,689 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.4

Radius: 10.7

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.43 AU - 2.83 AU

Year: 2798 Days

Day: 10.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,501,287 km

• M1: 133,142 km (0.098 R)
• M2: 492,027 km (0.112 R)
• M3: 860,337 km (0.068 R)
• M4: 1,328,279 km (0.114 R)
• M5: 1,931,009 km (0.079 R)
• M6: 2,561,265 km (0.097 R)
• M7: 2,918,056 km (0.075 R)
• M8: 3,483,686 km (0.117 R)
• M9: 3,836,437 km (0.067 R)
• M10: 4,213,125 km (0.04 R)
• M11: 4,773,967 km (0.072 R)
• M12: 5,168,008 km (0.041 R)
• M13: 6,116,758 km (0.093 R)
• M14: 6,557,473 km (0.112 R)
• M15: 8,210,829 km (0.089 R)
• M16: 9,276,414 km (0.114 R)
• M17: 9,991,941 km (0.114 R)
• M18: 10,466,166 km (0.116 R)
• M19: 11,423,144 km (0.12 R)
• M20: 11,792,052 km (0.1 R)
• M21: 12,321,928 km (0.104 R)
• M22: 12,670,940 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.9

Radius: 8

Gravity: 9.37 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.5 AU - 3.42 AU

Year: 3341 Days

Day: 6 Hours

Environment

Temp: -207 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,501,287 km

• M1: 99,632 km (0.117 R)
• M2: 646,712 km (0.104 R)
• M3: 978,669 km (0.118 R)
• M4: 1,305,541 km (0.079 R)
• M5: 1,636,601 km (0.06 R)
• M6: 2,089,134 km (0.037 R)
• M7: 2,814,235 km (0.096 R)
• M8: 3,280,083 km (0.089 R)
• M9: 4,001,145 km (0.052 R)
• M10: 4,545,232 km (0.073 R)
• M11: 4,942,863 km (0.115 R)
• M12: 5,915,698 km (0.033 R)
• M13: 6,247,955 km (0.102 R)
• M14: 6,680,742 km (0.06 R)
• M15: 7,638,766 km (0.107 R)
• M16: 7,966,535 km (0.052 R)
• M17: 8,269,471 km (0.114 R)
• M18: 8,862,776 km (0.112 R)
• M19: 9,710,248 km (0.119 R)
• M20: 11,353,431 km (0.08 R)
• M21: 12,988,237 km (0.084 R)
• M22: 13,550,575 km (0.076 R)
• M23: 13,934,294 km (0.079 R)
• M24: 16,337,733 km (0.114 R)
• M25: 17,779,408 km (0.082 R)
• M26: 18,472,794 km (0.09 R)
• M27: 18,885,385 km (0.074 R)
• M28: 19,243,971 km (0.095 R)
• M29: 19,668,081 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.1

Radius: 10.7

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.86 AU - 3.88 AU

Year: 4994 Days

Day: 13.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,501,287 km

• M1: 133,142 km (0.045 R)
• M2: 528,978 km (0.106 R)
• M3: 1,166,415 km (0.103 R)
• M4: 1,966,165 km (0.069 R)
• M5: 2,348,687 km (0.039 R)
• M6: 6,292,685 km (0.046 R)
• M7: 7,279,881 km (0.113 R)
• M8: 8,630,451 km (0.104 R)
• M9: 15,625,348 km (0.111 R)
• M10: 16,076,086 km (0.112 R)
• M11: 18,020,859 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683.2

Radius: 3.9

Gravity: 44.92 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 7 AU - 8.02 AU

Year: 13501 Days

Day: 22.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 58,501,287 km

• M1: 49,068 km (0.026 R)
• M2: 192,383 km (0.084 R)
• M3: 495,468 km (0.062 R)
• M4: 629,358 km (0.042 R)
• M5: 1,359,396 km (0.099 R)
• M6: 1,626,727 km (0.091 R)
• M7: 2,073,726 km (0.095 R)
• M8: 2,305,602 km (0.112 R)
• M9: 2,867,642 km (0.084 R)
• M10: 3,230,716 km (0.111 R)
• M11: 4,761,102 km (0.091 R)
• M12: 5,061,794 km (0.099 R)
• M13: 5,199,424 km (0.07 R)
• M14: 5,518,366 km (0.103 R)
• M15: 5,775,226 km (0.108 R)
• M16: 6,313,030 km (0.087 R)
• M17: 6,925,484 km (0.038 R)
• M18: 7,138,062 km (0.093 R)
• M19: 7,311,297 km (0.074 R)
• M20: 7,711,471 km (0.113 R)
• M21: 10,258,824 km (0.038 R)
• M22: 10,873,521 km (0.092 R)
• M23: 11,218,943 km (0.117 R)
• M24: 12,800,940 km (0.102 R)
• M25: 15,299,823 km (0.076 R)
• M26: 18,105,531 km (0.057 R)
• M27: 24,024,221 km (0.107 R)
• M28: 26,012,975 km (0.074 R)
• M29: 26,217,625 km (0.099 R)
• M30: 27,257,330 km (0.093 R)
• M31: 27,894,169 km (0.105 R)
• M32: 32,990,220 km (0.096 R)
• M33: 36,582,962 km (0.106 R)
• M34: 38,011,323 km (0.035 R)
• M35: 38,274,914 km (0.068 R)
• M36: 40,291,195 km (0.066 R)
• M37: 41,813,951 km (0.037 R)
• M38: 43,088,076 km (0.082 R)
• M39: 45,268,764 km (0.098 R)
• M40: 53,067,451 km (0.115 R)
• M41: 53,893,231 km (0.077 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 10,826 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit