🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.47 AU - 0.57 AU

Year: 246 Days

Day: 41.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 22.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.57 AU - 0.69 AU

Year: 328 Days

Day: 45.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 44.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.5

Radius: 13

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.02 AU - 2.76 AU

Year: 2424 Days

Day: 11.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,941,937 km

• M1: 163,211 km (0.057 R)
• M2: 589,864 km (0.118 R)
• M3: 1,050,476 km (0.076 R)
• M4: 1,622,239 km (0.045 R)
• M5: 2,453,255 km (0.058 R)
• M6: 3,120,163 km (0.113 R)
• M7: 3,551,304 km (0.068 R)
• M8: 4,263,091 km (0.119 R)
• M9: 4,931,045 km (0.039 R)
• M10: 7,096,773 km (0.108 R)
• M11: 7,879,918 km (0.055 R)
• M12: 8,521,095 km (0.117 R)
• M13: 8,990,383 km (0.043 R)
• M14: 9,476,876 km (0.104 R)
• M15: 9,907,867 km (0.056 R)
• M16: 11,082,210 km (0.115 R)
• M17: 11,642,155 km (0.096 R)
• M18: 15,163,390 km (0.088 R)
• M19: 16,360,322 km (0.109 R)
• M20: 16,929,542 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.3

Radius: 11.1

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.34 AU - 2.78 AU

Year: 2687 Days

Day: 7.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,941,937 km

• M1: 138,228 km (0.052 R)
• M2: 639,232 km (0.114 R)
• M3: 1,274,125 km (0.036 R)
• M4: 1,812,079 km (0.066 R)
• M5: 2,297,524 km (0.057 R)
• M6: 2,836,376 km (0.086 R)
• M7: 3,330,497 km (0.119 R)
• M8: 4,361,077 km (0.1 R)
• M9: 5,094,107 km (0.074 R)
• M10: 5,748,448 km (0.117 R)
• M11: 7,255,796 km (0.067 R)
• M12: 11,239,886 km (0.047 R)
• M13: 12,130,443 km (0.091 R)
• M14: 12,481,848 km (0.116 R)
• M15: 13,205,154 km (0.114 R)
• M16: 17,302,789 km (0.111 R)
• M17: 18,259,318 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.5

Radius: 9.6

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.42 AU - 3.68 AU

Year: 3494 Days

Day: 11.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,941,937 km

• M1: 128,355 km (0.093 R)
• M2: 449,242 km (0.106 R)
• M3: 845,976 km (0.114 R)
• M4: 1,213,688 km (0.088 R)
• M5: 1,787,096 km (0.031 R)
• M6: 3,329,749 km (0.073 R)
• M7: 3,652,133 km (0.099 R)
• M8: 4,030,915 km (0.112 R)
• M9: 5,590,772 km (0.095 R)
• M10: 6,807,002 km (0.086 R)
• M11: 9,307,082 km (0.098 R)
• M12: 10,936,652 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 950.7

Radius: 5.7

Gravity: 29.26 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 6 AU - 8.2 AU

Year: 12411 Days

Day: 17.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 159.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,941,937 km

• M1: 72,106 km (0.102 R)
• M2: 353,051 km (0.109 R)
• M3: 1,454,091 km (0.086 R)
• M4: 2,996,745 km (0.061 R)
• M5: 3,645,700 km (0.113 R)
• M6: 4,607,764 km (0.077 R)
• M7: 5,579,402 km (0.1 R)
• M8: 6,272,040 km (0.029 R)
• M9: 6,849,189 km (0.085 R)
• M10: 7,826,811 km (0.103 R)
• M11: 8,743,098 km (0.061 R)
• M12: 10,165,175 km (0.075 R)
• M13: 12,802,436 km (0.084 R)
• M14: 13,194,083 km (0.07 R)
• M15: 13,661,128 km (0.065 R)
• M16: 14,487,357 km (0.063 R)
• M17: 14,984,471 km (0.108 R)
• M18: 15,492,804 km (0.102 R)
• M19: 21,590,563 km (0.1 R)
• M20: 21,866,870 km (0.085 R)
• M21: 22,709,854 km (0.111 R)
• M22: 27,900,302 km (0.094 R)
• M23: 28,228,071 km (0.098 R)
• M24: 38,755,423 km (0.101 R)
• M25: 43,404,177 km (0.082 R)
• M26: 46,242,497 km (0.073 R)
• M27: 48,726,420 km (0.077 R)
• M28: 49,840,625 km (0.09 R)
• M29: 57,942,397 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 516.6

Radius: 7.6

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 9.18 AU - 11.94 AU

Year: 22512 Days

Day: 15.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,941,937 km

• M1: 94,546 km (0.103 R)
• M2: 488,886 km (0.116 R)
• M3: 838,346 km (0.117 R)
• M4: 1,155,344 km (0.111 R)
• M5: 1,702,573 km (0.091 R)
• M6: 1,957,937 km (0.112 R)
• M7: 3,414,871 km (0.064 R)
• M8: 4,169,143 km (0.092 R)
• M9: 5,482,912 km (0.115 R)
• M10: 6,915,012 km (0.111 R)
• M11: 7,717,605 km (0.085 R)
• M12: 8,528,275 km (0.083 R)
• M13: 13,028,778 km (0.117 R)
• M14: 21,320,689 km (0.102 R)
• M15: 22,205,111 km (0.084 R)
• M16: 23,421,940 km (0.1 R)
• M17: 23,837,224 km (0.065 R)
• M18: 28,617,175 km (0.119 R)
• M19: 30,057,055 km (0.112 R)
• M20: 39,577,613 km (0.119 R)
• M21: 56,870,079 km (0.091 R)
• M22: 63,660,775 km (0.029 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: 325 - 17,458 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit