🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.47 AU - 0.59 AU

Year: 249 Days

Day: 22.8 Hours

Environment

Temp: -114 °C

Axial Tilt: 26.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497

Radius: 13.5

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.8 AU - 1.82 AU

Year: 1572 Days

Day: 9.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,186,717 km

• M1: 167,849 km (0.051 R)
• M2: 755,170 km (0.074 R)
• M3: 1,200,972 km (0.071 R)
• M4: 1,633,160 km (0.077 R)
• M5: 2,194,002 km (0.085 R)
• M6: 2,855,225 km (0.119 R)
• M7: 3,458,852 km (0.108 R)
• M8: 4,654,887 km (0.07 R)
• M9: 5,123,428 km (0.077 R)
• M10: 5,623,534 km (0.118 R)
• M11: 6,156,252 km (0.068 R)
• M12: 6,698,095 km (0.116 R)
• M13: 7,246,222 km (0.061 R)
• M14: 8,632,844 km (0.098 R)
• M15: 9,651,157 km (0.105 R)
• M16: 11,783,525 km (0.095 R)
• M17: 12,325,668 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.4

Radius: 14.9

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.09 AU - 2.41 AU

Year: 2179 Days

Day: 8.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,186,717 km

• M1: 188,194 km (0.055 R)
• M2: 825,182 km (0.058 R)
• M3: 2,050,987 km (0.104 R)
• M4: 2,880,357 km (0.057 R)
• M5: 3,983,492 km (0.114 R)
• M6: 4,709,341 km (0.047 R)
• M7: 5,847,631 km (0.061 R)
• M8: 6,619,855 km (0.067 R)
• M9: 11,424,789 km (0.104 R)
• M10: 12,039,936 km (0.065 R)
• M11: 12,505,036 km (0.118 R)
• M12: 14,534,480 km (0.081 R)
• M13: 16,360,921 km (0.067 R)
• M14: 17,409,901 km (0.074 R)
• M15: 17,896,393 km (0.115 R)
• M16: 18,447,512 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.9

Radius: 9.5

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.41 AU - 2.61 AU

Year: 2568 Days

Day: 9.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,186,717 km

• M1: 118,182 km (0.102 R)
• M2: 737,667 km (0.091 R)
• M3: 1,317,209 km (0.081 R)
• M4: 1,751,043 km (0.101 R)
• M5: 2,177,547 km (0.062 R)
• M6: 2,759,632 km (0.059 R)
• M7: 3,176,112 km (0.096 R)
• M8: 4,454,277 km (0.116 R)
• M9: 4,810,768 km (0.094 R)
• M10: 5,847,482 km (0.087 R)
• M11: 6,458,140 km (0.09 R)
• M12: 9,503,654 km (0.064 R)
• M13: 10,168,018 km (0.053 R)
• M14: 13,742,659 km (0.11 R)
• M15: 14,185,468 km (0.031 R)
• M16: 15,287,107 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.4

Radius: 11.5

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.59 AU - 2.59 AU

Year: 2691 Days

Day: 5.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 22,186,717 km

• M1: 143,165 km (0.1 R)
• M2: 590,014 km (0.117 R)
• M3: 952,938 km (0.102 R)
• M4: 1,386,473 km (0.091 R)
• M5: 2,075,371 km (0.085 R)
• M6: 2,837,124 km (0.101 R)
• M7: 4,173,332 km (0.067 R)
• M8: 4,798,501 km (0.093 R)
• M9: 5,584,788 km (0.046 R)
• M10: 6,372,271 km (0.063 R)
• M11: 6,995,795 km (0.092 R)
• M12: 9,539,258 km (0.119 R)
• M13: 11,875,378 km (0.086 R)
• M14: 14,426,321 km (0.043 R)
• M15: 14,860,155 km (0.065 R)
• M16: 15,252,999 km (0.077 R)
• M17: 16,473,418 km (0.102 R)
• M18: 17,322,536 km (0.119 R)
• M19: 18,089,225 km (0.119 R)
• M20: 19,223,476 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.5

Radius: 10.9

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.74 AU - 4.24 AU

Year: 4210 Days

Day: 12.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,186,717 km

• M1: 140,173 km (0.094 R)
• M2: 811,419 km (0.087 R)
• M3: 1,261,409 km (0.115 R)
• M4: 1,767,200 km (0.089 R)
• M5: 2,264,613 km (0.076 R)
• M6: 3,857,531 km (0.104 R)
• M7: 4,223,597 km (0.107 R)
• M8: 4,753,921 km (0.072 R)
• M9: 7,772,357 km (0.073 R)
• M10: 8,412,038 km (0.06 R)
• M11: 8,976,171 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.1

Radius: 10.8

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.54 AU - 7.2 AU

Year: 9183 Days

Day: 5.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,186,717 km

• M1: 134,788 km (0.063 R)
• M2: 523,443 km (0.081 R)
• M3: 1,382,135 km (0.077 R)
• M4: 2,521,472 km (0.112 R)
• M5: 2,960,392 km (0.064 R)
• M6: 4,321,733 km (0.109 R)
• M7: 4,953,784 km (0.075 R)
• M8: 7,021,675 km (0.063 R)
• M9: 8,881,177 km (0.101 R)
• M10: 14,843,998 km (0.051 R)
• M11: 16,400,265 km (0.097 R)
• M12: 18,190,054 km (0.085 R)
• M13: 20,797,545 km (0.098 R)
• M14: 22,154,098 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 222.9

Radius: 8

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 5.21 AU - 6.87 AU

Year: 9585 Days

Day: 24.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 22,186,717 km

• M1: 99,483 km (0.057 R)
• M2: 395,387 km (0.114 R)
• M3: 648,208 km (0.116 R)
• M4: 1,042,099 km (0.08 R)
• M5: 1,852,620 km (0.093 R)
• M6: 2,144,336 km (0.057 R)
• M7: 3,311,947 km (0.059 R)
• M8: 3,767,024 km (0.095 R)
• M9: 4,566,026 km (0.101 R)
• M10: 4,991,931 km (0.079 R)
• M11: 8,914,238 km (0.111 R)
• M12: 9,243,353 km (0.051 R)
• M13: 9,580,397 km (0.09 R)
• M14: 10,279,169 km (0.069 R)
• M15: 10,641,046 km (0.061 R)
• M16: 12,174,424 km (0.1 R)
• M17: 13,098,939 km (0.078 R)
• M18: 13,363,877 km (0.115 R)
• M19: 14,347,333 km (0.085 R)
• M20: 15,378,362 km (0.114 R)
• M21: 19,308,148 km (0.099 R)
• M22: 23,158,798 km (0.069 R)
• M23: 23,546,555 km (0.096 R)
• M24: 25,059,738 km (0.082 R)
• M25: 25,468,439 km (0.063 R)
• M26: 31,100,500 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 46.9

Radius: 3.6

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 6.01 AU - 8.05 AU

Year: 12035 Days

Day: 18.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,186,717 km

• M1: 44,730 km (0.073 R)
• M2: 438,471 km (0.118 R)
• M3: 2,144,186 km (0.097 R)
• M4: 2,478,238 km (0.103 R)
• M5: 2,862,705 km (0.086 R)
• M6: 2,981,934 km (0.104 R)
• M7: 3,809,659 km (0.08 R)
• M8: 4,038,395 km (0.06 R)
• M9: 5,170,102 km (0.115 R)
• M10: 5,714,190 km (0.099 R)
• M11: 8,872,500 km (0.034 R)
• M12: 9,274,320 km (0.102 R)
• M13: 15,812,495 km (0.045 R)
• M14: 21,790,575 km (0.09 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: 247 - 15,567 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit