🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.59 AU - 0.61 AU

Year: 197 Days

Day: 35.1 Hours

Environment

Temp: 30 °C

Axial Tilt: 33.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 59,814,327 km

• M1: 42,785 km (0.106 R)
• M2: 187,297 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.87 AU - 1.09 AU

Year: 412 Days

Day: 27.8 Hours

Environment

Temp: -48 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 59,814,327 km

• M1: 327,919 km (0.079 R)
• M2: 478,564 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.77 AU - 1.27 AU

Year: 437 Days

Day: 28.4 Hours

Environment

Temp: -60 °C

Axial Tilt: 5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.4

Radius: 10.7

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.44 AU - 4.26 AU

Year: 3207 Days

Day: 6.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,814,327 km

• M1: 134,189 km (0.029 R)
• M2: 581,637 km (0.028 R)
• M3: 1,063,641 km (0.089 R)
• M4: 1,398,740 km (0.027 R)
• M5: 1,829,582 km (0.032 R)
• M6: 2,320,263 km (0.065 R)
• M7: 2,963,534 km (0.084 R)
• M8: 5,417,836 km (0.084 R)
• M9: 5,992,891 km (0.106 R)
• M10: 6,521,869 km (0.115 R)
• M11: 7,965,189 km (0.025 R)
• M12: 8,885,066 km (0.108 R)
• M13: 10,297,869 km (0.081 R)
• M14: 11,984,136 km (0.108 R)
• M15: 13,376,144 km (0.099 R)
• M16: 14,183,823 km (0.119 R)
• M17: 14,624,538 km (0.099 R)
• M18: 15,175,358 km (0.048 R)
• M19: 15,896,419 km (0.045 R)
• M20: 16,748,379 km (0.117 R)
• M21: 17,130,452 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.6

Radius: 8.6

Gravity: 12.31 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.07 AU - 5.05 AU

Year: 3473 Days

Day: 14.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,814,327 km

• M1: 106,962 km (0.085 R)
• M2: 406,308 km (0.06 R)
• M3: 772,823 km (0.116 R)
• M4: 1,073,365 km (0.086 R)
• M5: 1,598,603 km (0.081 R)
• M6: 1,894,507 km (0.111 R)
• M7: 2,502,024 km (0.093 R)
• M8: 2,782,520 km (0.07 R)
• M9: 3,214,709 km (0.083 R)
• M10: 3,838,532 km (0.068 R)
• M11: 4,661,769 km (0.109 R)
• M12: 6,318,116 km (0.077 R)
• M13: 7,428,731 km (0.036 R)
• M14: 8,516,457 km (0.099 R)
• M15: 8,926,954 km (0.078 R)
• M16: 9,827,832 km (0.075 R)
• M17: 11,402,499 km (0.097 R)
• M18: 13,089,514 km (0.114 R)
• M19: 13,485,949 km (0.081 R)
• M20: 16,203,993 km (0.114 R)
• M21: 17,661,225 km (0.12 R)
• M22: 18,763,163 km (0.036 R)
• M23: 21,648,906 km (0.113 R)
• M24: 24,145,844 km (0.11 R)
• M25: 25,732,779 km (0.07 R)
• M26: 26,042,895 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.1

Radius: 9.9

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.69 AU - 5.31 AU

Year: 4053 Days

Day: 11 Hours

Environment

Temp: -166 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 59,814,327 km

• M1: 143,764 km (0.116 R)
• M2: 648,656 km (0.043 R)
• M3: 1,016,966 km (0.105 R)
• M4: 3,754,009 km (0.105 R)
• M5: 9,786,094 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.5

Radius: 8.5

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.91 AU - 7.81 AU

Year: 6810 Days

Day: 8.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,814,327 km

• M1: 106,214 km (0.095 R)
• M2: 457,321 km (0.054 R)
• M3: 759,658 km (0.107 R)
• M4: 1,027,737 km (0.102 R)
• M5: 1,526,197 km (0.092 R)
• M6: 2,575,926 km (0.101 R)
• M7: 2,884,397 km (0.029 R)
• M8: 3,576,287 km (0.09 R)
• M9: 4,175,277 km (0.114 R)
• M10: 4,720,262 km (0.098 R)
• M11: 5,286,190 km (0.097 R)
• M12: 5,896,699 km (0.043 R)
• M13: 6,732,353 km (0.1 R)
• M14: 7,069,247 km (0.111 R)
• M15: 7,810,056 km (0.114 R)
• M16: 9,713,539 km (0.081 R)
• M17: 10,263,910 km (0.118 R)
• M18: 11,556,585 km (0.12 R)
• M19: 12,309,810 km (0.084 R)
• M20: 12,629,351 km (0.06 R)
• M21: 17,762,952 km (0.064 R)
• M22: 18,230,146 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.1

Radius: 12.5

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 6.73 AU - 8.57 AU

Year: 8984 Days

Day: 5.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,814,327 km

• M1: 155,432 km (0.065 R)
• M2: 738,265 km (0.081 R)
• M3: 1,253,181 km (0.077 R)
• M4: 2,083,300 km (0.089 R)
• M5: 2,892,176 km (0.1 R)
• M6: 3,306,263 km (0.036 R)
• M7: 4,255,910 km (0.085 R)
• M8: 5,130,309 km (0.066 R)
• M9: 6,458,888 km (0.1 R)
• M10: 9,226,149 km (0.058 R)
• M11: 10,016,176 km (0.119 R)
• M12: 11,559,876 km (0.104 R)
• M13: 12,299,638 km (0.1 R)
• M14: 14,262,811 km (0.058 R)
• M15: 17,986,302 km (0.084 R)
• M16: 20,507,175 km (0.103 R)
• M17: 21,397,432 km (0.08 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447.1

Radius: 4.4

Gravity: 23.09 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 11.22 AU - 12.42 AU

Year: 17254 Days

Day: 23.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 59,814,327 km

• M1: 54,902 km (0.04 R)
• M2: 198,516 km (0.115 R)
• M3: 414,984 km (0.096 R)
• M4: 1,166,863 km (0.117 R)
• M5: 1,438,084 km (0.118 R)
• M6: 1,636,152 km (0.049 R)
• M7: 1,869,674 km (0.066 R)
• M8: 3,131,083 km (0.119 R)
• M9: 4,203,551 km (0.049 R)
• M10: 4,939,871 km (0.04 R)
• M11: 5,464,062 km (0.1 R)
• M12: 6,024,605 km (0.091 R)
• M13: 6,338,611 km (0.071 R)
• M14: 6,663,688 km (0.059 R)
• M15: 9,103,479 km (0.096 R)
• M16: 9,308,728 km (0.096 R)
• M17: 10,215,739 km (0.101 R)
• M18: 11,774,998 km (0.097 R)
• M19: 12,203,745 km (0.055 R)
• M20: 12,579,386 km (0.043 R)
• M21: 18,844,993 km (0.047 R)
• M22: 19,857,472 km (0.08 R)
• M23: 21,898,436 km (0.079 R)
• M24: 22,359,945 km (0.066 R)
• M25: 22,922,134 km (0.108 R)
• M26: 25,569,567 km (0.102 R)
• M27: 27,019,320 km (0.118 R)
• M28: 27,443,430 km (0.041 R)
• M29: 31,461,928 km (0.073 R)
• M30: 34,348,120 km (0.109 R)
• M31: 37,275,152 km (0.091 R)
• M32: 37,932,784 km (0.089 R)
• M33: 38,866,275 km (0.076 R)
• M34: 41,057,584 km (0.11 R)
• M35: 43,910,565 km (0.1 R)
• M36: 49,690,130 km (0.062 R)
• M37: 50,326,369 km (0.108 R)
• M38: 52,596,367 km (0.058 R)
• M39: 55,956,336 km (0.086 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: 342 - 16,238 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit