🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.57 AU - 0.63 AU

Year: 305 Days

Day: 47.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,205,323 km

• M1: 75,248 km (0.117 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.6 AU - 0.66 AU

Year: 328 Days

Day: 31.4 Hours

Environment

Temp: -133 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,205,323 km

• M1: 34,408 km (0.051 R)

Asteroid Belt

Center: 1.61 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.9

Radius: 13.1

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.99 AU - 3.19 AU

Year: 2734 Days

Day: 11.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,205,323 km

• M1: 163,211 km (0.044 R)
• M2: 582,085 km (0.1 R)
• M3: 1,023,698 km (0.065 R)
• M4: 1,678,488 km (0.106 R)
• M5: 2,301,862 km (0.115 R)
• M6: 2,993,453 km (0.097 R)
• M7: 3,839,579 km (0.075 R)
• M8: 4,816,303 km (0.056 R)
• M9: 5,563,694 km (0.118 R)
• M10: 6,005,607 km (0.115 R)
• M11: 6,471,005 km (0.09 R)
• M12: 7,199,398 km (0.084 R)
• M13: 10,751,001 km (0.045 R)
• M14: 11,773,652 km (0.109 R)
• M15: 12,287,072 km (0.079 R)
• M16: 13,039,998 km (0.079 R)
• M17: 13,543,544 km (0.113 R)
• M18: 14,492,144 km (0.114 R)
• M19: 15,790,953 km (0.12 R)
• M20: 16,363,314 km (0.097 R)
• M21: 16,895,584 km (0.12 R)
• M22: 17,604,827 km (0.052 R)
• M23: 19,792,247 km (0.041 R)
• M24: 20,396,922 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78

Radius: 8.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.91 AU - 5.77 AU

Year: 6985 Days

Day: 7.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,205,323 km

• M1: 110,254 km (0.072 R)
• M2: 387,458 km (0.101 R)
• M3: 1,816,417 km (0.113 R)
• M4: 2,295,729 km (0.094 R)
• M5: 2,750,058 km (0.112 R)
• M6: 3,112,683 km (0.08 R)
• M7: 3,895,678 km (0.075 R)
• M8: 5,696,537 km (0.058 R)
• M9: 6,000,221 km (0.101 R)
• M10: 6,976,646 km (0.081 R)
• M11: 8,800,544 km (0.113 R)
• M12: 9,984,910 km (0.067 R)
• M13: 11,076,376 km (0.048 R)
• M14: 12,079,430 km (0.06 R)
• M15: 12,624,415 km (0.099 R)
• M16: 13,273,370 km (0.117 R)
• M17: 14,969,361 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.7

Radius: 12.9

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 4.97 AU - 6.01 AU

Year: 8439 Days

Day: 11.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 55,205,323 km

• M1: 160,519 km (0.045 R)
• M2: 696,528 km (0.07 R)
• M3: 1,163,871 km (0.114 R)
• M4: 1,670,410 km (0.049 R)
• M5: 2,201,033 km (0.106 R)
• M6: 2,681,542 km (0.093 R)
• M7: 3,706,287 km (0.1 R)
• M8: 4,946,454 km (0.063 R)
• M9: 5,448,803 km (0.109 R)
• M10: 5,916,147 km (0.08 R)
• M11: 6,704,977 km (0.058 R)
• M12: 7,562,621 km (0.08 R)
• M13: 8,536,204 km (0.089 R)
• M14: 11,202,188 km (0.098 R)
• M15: 12,466,589 km (0.1 R)
• M16: 13,824,040 km (0.059 R)
• M17: 16,075,638 km (0.107 R)
• M18: 17,324,181 km (0.081 R)
• M19: 22,799,613 km (0.06 R)
• M20: 25,834,206 km (0.106 R)
• M21: 33,572,455 km (0.052 R)
• M22: 34,354,702 km (0.095 R)
• M23: 34,920,781 km (0.099 R)
• M24: 37,366,706 km (0.109 R)
• M25: 38,570,819 km (0.069 R)
• M26: 40,676,708 km (0.12 R)
• M27: 42,337,993 km (0.11 R)
• M28: 42,858,144 km (0.117 R)
• M29: 43,382,635 km (0.09 R)
• M30: 43,911,313 km (0.075 R)
• M31: 44,712,410 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 46.3

Radius: 3.2

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.81 AU - 9.67 AU

Year: 16950 Days

Day: 15.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,205,323 km

• M1: 40,092 km (0.088 R)
• M2: 285,582 km (0.087 R)
• M3: 803,191 km (0.116 R)
• M4: 1,787,246 km (0.076 R)
• M5: 2,633,521 km (0.107 R)
• M6: 2,790,898 km (0.07 R)
• M7: 4,166,301 km (0.096 R)
• M8: 4,332,055 km (0.05 R)
• M9: 4,626,165 km (0.09 R)
• M10: 4,778,306 km (0.054 R)
• M11: 4,933,588 km (0.104 R)
• M12: 5,065,683 km (0.059 R)
• M13: 7,408,535 km (0.041 R)
• M14: 8,264,834 km (0.086 R)
• M15: 13,862,038 km (0.061 R)
• M16: 17,425,010 km (0.112 R)
• M17: 23,061,709 km (0.062 R)
• M18: 24,562,774 km (0.1 R)
• M19: 25,103,121 km (0.048 R)
• M20: 25,258,852 km (0.075 R)
• M21: 27,015,879 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485.7

Radius: 4.1

Gravity: 28.89 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 9.62 AU - 10.68 AU

Year: 21213 Days

Day: 25 Hours

Environment

Temp: -235 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 55,205,323 km

• M1: 51,162 km (0.067 R)
• M2: 240,404 km (0.09 R)
• M3: 442,062 km (0.053 R)
• M4: 606,619 km (0.047 R)
• M5: 801,845 km (0.046 R)
• M6: 1,113,607 km (0.029 R)
• M7: 1,276,070 km (0.062 R)
• M8: 1,879,697 km (0.037 R)
• M9: 2,297,225 km (0.119 R)
• M10: 3,368,495 km (0.114 R)
• M11: 4,138,176 km (0.09 R)
• M12: 4,396,831 km (0.094 R)
• M13: 7,278,984 km (0.068 R)
• M14: 7,996,605 km (0.089 R)
• M15: 8,812,661 km (0.079 R)
• M16: 10,313,277 km (0.029 R)
• M17: 11,403,247 km (0.107 R)
• M18: 13,738,320 km (0.098 R)
• M19: 29,091,400 km (0.075 R)
• M20: 29,799,746 km (0.041 R)
• M21: 33,514,261 km (0.063 R)
• M22: 34,161,871 km (0.111 R)
• M23: 38,647,114 km (0.106 R)
• M24: 40,956,606 km (0.062 R)
• M25: 44,746,518 km (0.068 R)
• M26: 59,559,550 km (0.028 R)
• M27: 65,610,185 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230.5

Radius: 3.9

Gravity: 15.15 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.94 AU - 12.42 AU

Year: 21307 Days

Day: 20.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,205,323 km

• M1: 48,619 km (0.047 R)
• M2: 220,208 km (0.12 R)
• M3: 596,596 km (0.104 R)
• M4: 1,393,654 km (0.096 R)
• M5: 1,613,413 km (0.077 R)
• M6: 1,959,433 km (0.079 R)
• M7: 2,887,837 km (0.076 R)
• M8: 3,767,174 km (0.038 R)
• M9: 4,019,246 km (0.065 R)
• M10: 4,843,680 km (0.106 R)
• M11: 5,959,830 km (0.113 R)
• M12: 6,419,245 km (0.048 R)
• M13: 8,306,721 km (0.112 R)
• M14: 8,589,760 km (0.111 R)
• M15: 9,631,560 km (0.114 R)
• M16: 14,238,127 km (0.107 R)
• M17: 17,163,065 km (0.084 R)
• M18: 20,464,540 km (0.113 R)
• M19: 30,460,221 km (0.095 R)
• M20: 35,009,043 km (0.084 R)
• M21: 42,440,617 km (0.095 R)
• M22: 53,405,093 km (0.09 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 18,990 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit