🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.7

Radius: 9.8

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.58 AU - 0.88 AU

Year: 423 Days

Day: 10.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 93,718,077 km

• M1: 121,922 km (0.106 R)
• M2: 557,551 km (0.077 R)
• M3: 1,184,067 km (0.1 R)
• M4: 1,499,719 km (0.064 R)
• M5: 2,481,230 km (0.118 R)
• M6: 3,007,665 km (0.12 R)
• M7: 4,180,812 km (0.107 R)
• M8: 4,591,757 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.7

Radius: 13.4

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.78 AU - 0.78 AU

Year: 467 Days

Day: 7.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 93,718,077 km

• M1: 166,652 km (0.096 R)
• M2: 692,489 km (0.04 R)
• M3: 1,218,774 km (0.043 R)
• M4: 1,684,173 km (0.039 R)
• M5: 2,208,364 km (0.091 R)
• M6: 2,883,050 km (0.079 R)
• M7: 3,316,435 km (0.11 R)
• M8: 4,042,733 km (0.08 R)
• M9: 4,530,721 km (0.108 R)
• M10: 5,216,328 km (0.055 R)
• M11: 5,987,655 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.6

Radius: 10.7

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.29 AU - 2.93 AU

Year: 2860 Days

Day: 12.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 93,718,077 km

• M1: 139,575 km (0.112 R)
• M2: 525,837 km (0.116 R)
• M3: 929,751 km (0.077 R)
• M4: 1,383,481 km (0.038 R)
• M5: 2,090,331 km (0.03 R)
• M6: 2,459,090 km (0.116 R)
• M7: 4,022,388 km (0.069 R)
• M8: 4,897,385 km (0.079 R)
• M9: 5,813,523 km (0.038 R)
• M10: 6,355,516 km (0.091 R)
• M11: 7,759,941 km (0.092 R)
• M12: 8,160,414 km (0.067 R)
• M13: 8,680,416 km (0.07 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 996.6

Radius: 8

Gravity: 15.57 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.94 AU - 8.64 AU

Year: 13350 Days

Day: 20.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 93,718,077 km

• M1: 99,483 km (0.108 R)
• M2: 400,324 km (0.051 R)
• M3: 1,228,647 km (0.087 R)
• M4: 2,058,317 km (0.045 R)
• M5: 2,398,503 km (0.106 R)
• M6: 2,823,061 km (0.104 R)
• M7: 3,323,167 km (0.091 R)
• M8: 4,339,236 km (0.1 R)
• M9: 5,400,483 km (0.113 R)
• M10: 6,375,113 km (0.101 R)
• M11: 8,668,598 km (0.093 R)
• M12: 9,185,608 km (0.108 R)
• M13: 13,061,689 km (0.114 R)
• M14: 13,330,816 km (0.117 R)
• M15: 15,171,169 km (0.118 R)
• M16: 17,094,698 km (0.086 R)
• M17: 22,172,648 km (0.081 R)
• M18: 23,139,200 km (0.108 R)
• M19: 24,032,898 km (0.112 R)
• M20: 24,437,261 km (0.112 R)
• M21: 28,397,117 km (0.111 R)
• M22: 32,888,493 km (0.105 R)
• M23: 33,890,949 km (0.039 R)
• M24: 34,655,992 km (0.042 R)
• M25: 36,485,873 km (0.051 R)
• M26: 37,968,089 km (0.114 R)
• M27: 47,713,792 km (0.098 R)
• M28: 61,984,681 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 104.2

Radius: 3

Gravity: 11.58 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 8.02 AU - 9.72 AU

Year: 17917 Days

Day: 15.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 93,718,077 km

• M1: 37,549 km (0.096 R)
• M2: 200,611 km (0.099 R)
• M3: 723,306 km (0.109 R)
• M4: 1,015,321 km (0.102 R)
• M5: 2,172,460 km (0.075 R)
• M6: 4,922,668 km (0.108 R)
• M7: 6,209,060 km (0.072 R)
• M8: 6,838,567 km (0.084 R)
• M9: 8,101,323 km (0.104 R)
• M10: 9,511,283 km (0.074 R)
• M11: 10,489,055 km (0.115 R)
• M12: 12,210,926 km (0.117 R)
• M13: 19,272,095 km (0.078 R)
• M14: 20,450,927 km (0.103 R)
• M15: 27,071,679 km (0.025 R)
• M16: 27,803,213 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655.1

Radius: 3.3

Gravity: 60.16 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 9.43 AU - 11.01 AU

Year: 22160 Days

Day: 17.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 93,718,077 km

• M1: 46,226 km (0.113 R)
• M2: 166,203 km (0.105 R)
• M3: 382,073 km (0.029 R)
• M4: 532,718 km (0.076 R)
• M5: 702,362 km (0.036 R)
• M6: 1,434,943 km (0.04 R)
• M7: 1,585,289 km (0.098 R)
• M8: 2,121,747 km (0.085 R)
• M9: 2,645,339 km (0.112 R)
• M10: 3,111,636 km (0.086 R)
• M11: 3,722,145 km (0.034 R)
• M12: 4,339,834 km (0.055 R)
• M13: 5,292,025 km (0.09 R)
• M14: 5,900,439 km (0.071 R)
• M15: 8,477,412 km (0.112 R)
• M16: 9,137,288 km (0.107 R)
• M17: 11,063,511 km (0.094 R)
• M18: 14,434,549 km (0.101 R)
• M19: 14,977,140 km (0.117 R)
• M20: 16,020,735 km (0.098 R)
• M21: 19,534,191 km (0.088 R)
• M22: 21,871,059 km (0.103 R)
• M23: 22,175,640 km (0.104 R)
• M24: 23,422,389 km (0.078 R)
• M25: 25,828,072 km (0.089 R)
• M26: 30,741,016 km (0.098 R)
• M27: 31,251,294 km (0.12 R)
• M28: 32,419,953 km (0.038 R)
• M29: 32,815,939 km (0.102 R)
• M30: 32,948,632 km (0.067 R)
• M31: 33,617,334 km (0.103 R)
• M32: 34,023,044 km (0.052 R)
• M33: 47,592,767 km (0.091 R)
• M34: 49,137,665 km (0.097 R)
• M35: 51,070,918 km (0.102 R)
• M36: 52,146,377 km (0.061 R)
• M37: 56,790,493 km (0.109 R)
• M38: 64,990,701 km (0.115 R)
• M39: 78,359,365 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 883.5

Radius: 4.8

Gravity: 38.35 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 10.39 AU - 11.21 AU

Year: 24073 Days

Day: 25 Hours

Environment

Temp: -244 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 93,718,077 km

• M1: 60,587 km (0.096 R)
• M2: 284,984 km (0.069 R)
• M3: 579,093 km (0.092 R)
• M4: 754,123 km (0.11 R)
• M5: 1,214,136 km (0.102 R)
• M6: 2,205,073 km (0.096 R)
• M7: 2,822,912 km (0.105 R)
• M8: 3,394,974 km (0.066 R)
• M9: 3,708,531 km (0.066 R)
• M10: 3,872,341 km (0.074 R)
• M11: 4,393,091 km (0.104 R)
• M12: 4,803,737 km (0.09 R)
• M13: 8,147,250 km (0.041 R)
• M14: 18,523,208 km (0.079 R)
• M15: 19,100,207 km (0.088 R)
• M16: 20,188,981 km (0.077 R)
• M17: 25,308,669 km (0.102 R)
• M18: 25,662,168 km (0.102 R)
• M19: 27,108,630 km (0.111 R)
• M20: 28,102,708 km (0.106 R)
• M21: 28,864,012 km (0.114 R)
• M22: 30,163,269 km (0.098 R)
• M23: 30,827,334 km (0.099 R)
• M24: 32,322,415 km (0.095 R)
• M25: 36,794,643 km (0.115 R)
• M26: 44,505,516 km (0.066 R)
• M27: 46,941,867 km (0.081 R)
• M28: 50,018,198 km (0.107 R)
• M29: 52,268,748 km (0.117 R)
• M30: 54,195,120 km (0.102 R)
• M31: 59,631,656 km (0.111 R)
• M32: 61,946,982 km (0.104 R)
• M33: 63,451,039 km (0.104 R)
• M34: 70,173,668 km (0.084 R)
• M35: 71,572,708 km (0.045 R)
• M36: 72,515,773 km (0.103 R)
• M37: 76,125,868 km (0.075 R)
• M38: 80,868,271 km (0.117 R)
• M39: 93,718,129 km (0.176 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 20,161 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit