🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.8

Radius: 9.5

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.06 AU - 1.4 AU

Year: 925 Days

Day: 10.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,244,779 km

• M1: 118,182 km (0.084 R)
• M2: 440,715 km (0.119 R)
• M3: 897,438 km (0.049 R)
• M4: 1,313,619 km (0.096 R)
• M5: 1,746,106 km (0.065 R)
• M6: 2,072,080 km (0.099 R)
• M7: 2,554,832 km (0.111 R)
• M8: 2,925,985 km (0.119 R)
• M9: 3,290,555 km (0.114 R)
• M10: 3,855,287 km (0.088 R)
• M11: 4,362,872 km (0.057 R)
• M12: 5,101,886 km (0.032 R)
• M13: 5,531,531 km (0.075 R)
• M14: 6,221,476 km (0.113 R)
• M15: 7,109,489 km (0.067 R)
• M16: 7,848,203 km (0.082 R)
• M17: 8,801,292 km (0.114 R)
• M18: 9,711,595 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.9

Radius: 11

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.45 AU - 1.57 AU

Year: 1259 Days

Day: 7.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,244,779 km

• M1: 137,032 km (0.064 R)
• M2: 481,107 km (0.096 R)
• M3: 878,588 km (0.114 R)
• M4: 1,414,298 km (0.072 R)
• M5: 1,907,074 km (0.111 R)
• M6: 2,331,932 km (0.062 R)
• M7: 2,772,647 km (0.109 R)
• M8: 3,321,671 km (0.102 R)
• M9: 3,707,783 km (0.088 R)
• M10: 4,375,887 km (0.101 R)
• M11: 5,717,032 km (0.117 R)
• M12: 6,566,898 km (0.105 R)
• M13: 7,201,342 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.4

Radius: 9.9

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.97 AU - 2.07 AU

Year: 1947 Days

Day: 11.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,244,779 km

• M1: 124,017 km (0.083 R)
• M2: 450,589 km (0.092 R)
• M3: 1,562,400 km (0.113 R)
• M4: 1,889,421 km (0.117 R)
• M5: 3,688,635 km (0.107 R)
• M6: 4,099,730 km (0.099 R)
• M7: 4,417,775 km (0.11 R)
• M8: 5,036,512 km (0.098 R)
• M9: 6,109,727 km (0.105 R)
• M10: 7,186,083 km (0.106 R)
• M11: 8,447,493 km (0.062 R)
• M12: 10,868,734 km (0.115 R)
• M13: 11,875,528 km (0.091 R)
• M14: 12,608,258 km (0.079 R)
• M15: 14,118,748 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.8

Radius: 13.3

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.83 AU - 3.93 AU

Year: 5184 Days

Day: 10.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,244,779 km

• M1: 165,455 km (0.085 R)
• M2: 759,209 km (0.053 R)
• M3: 1,491,341 km (0.055 R)
• M4: 2,058,766 km (0.087 R)
• M5: 3,383,305 km (0.077 R)
• M6: 3,857,680 km (0.114 R)
• M7: 4,730,883 km (0.079 R)
• M8: 5,851,371 km (0.096 R)
• M9: 6,506,909 km (0.053 R)
• M10: 9,052,018 km (0.064 R)
• M11: 12,300,087 km (0.059 R)
• M12: 12,959,963 km (0.05 R)
• M13: 15,779,583 km (0.095 R)
• M14: 16,196,213 km (0.094 R)
• M15: 17,553,665 km (0.036 R)
• M16: 21,278,053 km (0.111 R)
• M17: 22,378,645 km (0.047 R)
• M18: 28,634,528 km (0.105 R)
• M19: 29,077,039 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.6

Radius: 8.3

Gravity: 10.27 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 3.12 AU - 4.94 AU

Year: 5487 Days

Day: 10.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,244,779 km

• M1: 105,466 km (0.083 R)
• M2: 447,896 km (0.068 R)
• M3: 740,360 km (0.086 R)
• M4: 1,421,030 km (0.061 R)
• M5: 1,810,433 km (0.112 R)
• M6: 3,213,362 km (0.104 R)
• M7: 3,842,272 km (0.099 R)
• M8: 4,841,436 km (0.082 R)
• M9: 5,430,702 km (0.116 R)
• M10: 5,911,061 km (0.054 R)
• M11: 8,275,305 km (0.106 R)
• M12: 9,537,762 km (0.103 R)
• M13: 10,148,121 km (0.088 R)
• M14: 10,830,736 km (0.107 R)
• M15: 11,207,124 km (0.081 R)
• M16: 11,689,877 km (0.117 R)
• M17: 12,800,641 km (0.058 R)
• M18: 13,870,116 km (0.116 R)
• M19: 14,998,084 km (0.07 R)
• M20: 16,616,135 km (0.038 R)
• M21: 18,613,715 km (0.077 R)
• M22: 19,154,063 km (0.091 R)
• M23: 19,774,445 km (0.086 R)
• M24: 20,266,323 km (0.079 R)
• M25: 21,274,164 km (0.112 R)
• M26: 21,865,075 km (0.111 R)
• M27: 23,156,703 km (0.119 R)
• M28: 28,211,017 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740

Radius: 8.9

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.64 AU - 5.46 AU

Year: 6583 Days

Day: 6 Hours

Environment

Temp: -222 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 71,244,779 km

• M1: 111,002 km (0.117 R)
• M2: 495,169 km (0.105 R)
• M3: 987,944 km (0.104 R)
• M4: 1,742,965 km (0.117 R)
• M5: 2,099,008 km (0.099 R)
• M6: 2,782,072 km (0.11 R)
• M7: 3,271,556 km (0.117 R)
• M8: 4,861,332 km (0.071 R)
• M9: 5,419,033 km (0.11 R)
• M10: 5,761,164 km (0.091 R)
• M11: 7,313,391 km (0.051 R)
• M12: 8,287,273 km (0.115 R)
• M13: 10,490,551 km (0.089 R)
• M14: 11,778,439 km (0.07 R)
• M15: 12,838,489 km (0.097 R)
• M16: 13,617,595 km (0.027 R)
• M17: 15,269,754 km (0.084 R)
• M18: 15,828,053 km (0.114 R)
• M19: 16,528,770 km (0.076 R)
• M20: 17,051,315 km (0.076 R)
• M21: 19,252,498 km (0.096 R)
• M22: 22,104,282 km (0.119 R)
• M23: 22,738,727 km (0.06 R)
• M24: 23,960,792 km (0.081 R)
• M25: 26,892,312 km (0.086 R)
• M26: 30,151,152 km (0.053 R)
• M27: 32,430,574 km (0.095 R)
• M28: 33,664,308 km (0.046 R)
• M29: 36,334,480 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 744.3

Radius: 4.9

Gravity: 31 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.98 AU - 7.48 AU

Year: 11842 Days

Day: 19 Hours

Environment

Temp: -221 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 71,244,779 km

• M1: 61,036 km (0.118 R)
• M2: 246,836 km (0.095 R)
• M3: 713,881 km (0.112 R)
• M4: 1,446,761 km (0.103 R)
• M5: 1,624,184 km (0.096 R)
• M6: 1,832,724 km (0.096 R)
• M7: 2,784,316 km (0.094 R)
• M8: 2,966,376 km (0.114 R)
• M9: 5,014,820 km (0.115 R)
• M10: 5,354,108 km (0.096 R)
• M11: 6,865,495 km (0.082 R)
• M12: 8,497,757 km (0.084 R)
• M13: 9,633,205 km (0.112 R)
• M14: 12,505,185 km (0.066 R)
• M15: 15,900,608 km (0.12 R)
• M16: 16,705,893 km (0.041 R)
• M17: 18,239,122 km (0.069 R)
• M18: 19,121,151 km (0.102 R)
• M19: 21,848,171 km (0.113 R)
• M20: 24,727,032 km (0.059 R)
• M21: 26,307,234 km (0.085 R)
• M22: 26,509,341 km (0.029 R)
• M23: 28,694,966 km (0.089 R)
• M24: 30,216,975 km (0.096 R)
• M25: 30,885,528 km (0.058 R)
• M26: 32,367,594 km (0.065 R)
• M27: 34,255,968 km (0.103 R)
• M28: 35,349,678 km (0.078 R)
• M29: 38,380,082 km (0.106 R)
• M30: 40,359,561 km (0.062 R)
• M31: 41,716,264 km (0.093 R)
• M32: 46,408,999 km (0.099 R)
• M33: 47,447,657 km (0.115 R)
• M34: 51,126,568 km (0.107 R)
• M35: 55,156,286 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 429.7

Radius: 3.2

Gravity: 41.96 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 10.29 AU - 10.59 AU

Year: 22879 Days

Day: 22.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 71,244,779 km

• M1: 39,793 km (0.1 R)
• M2: 156,779 km (0.069 R)
• M3: 315,352 km (0.118 R)
• M4: 600,935 km (0.119 R)
• M5: 757,414 km (0.092 R)
• M6: 1,099,844 km (0.047 R)
• M7: 1,206,656 km (0.099 R)
• M8: 1,849,329 km (0.057 R)
• M9: 2,040,216 km (0.105 R)
• M10: 2,265,361 km (0.118 R)
• M11: 2,989,265 km (0.119 R)
• M12: 3,225,480 km (0.058 R)
• M13: 3,588,404 km (0.048 R)
• M14: 6,188,415 km (0.077 R)
• M15: 7,107,096 km (0.033 R)
• M16: 8,264,086 km (0.066 R)
• M17: 8,571,808 km (0.115 R)
• M18: 8,728,437 km (0.12 R)
• M19: 9,047,679 km (0.111 R)
• M20: 9,155,689 km (0.032 R)
• M21: 10,284,554 km (0.077 R)
• M22: 13,932,798 km (0.112 R)
• M23: 14,589,532 km (0.069 R)
• M24: 19,504,421 km (0.091 R)
• M25: 22,627,127 km (0.093 R)
• M26: 24,673,027 km (0.088 R)
• M27: 32,547,261 km (0.052 R)
• M28: 33,830,212 km (0.053 R)
• M29: 35,280,115 km (0.079 R)
• M30: 35,548,044 km (0.117 R)
• M31: 36,633,676 km (0.118 R)
• M32: 38,444,409 km (0.08 R)
• M33: 39,013,330 km (0.099 R)
• M34: 41,048,908 km (0.109 R)
• M35: 48,233,944 km (0.085 R)
• M36: 55,486,299 km (0.101 R)
• M37: 63,234,422 km (0.104 R)
• M38: 66,240,142 km (0.115 R)
• M39: 66,443,745 km (0.078 R)
• M40: 68,712,097 km (0.083 R)
• M41: 69,129,924 km (0.05 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: 183 - 15,876 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit