🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.42 AU - 0.62 AU

Year: 238 Days

Day: 13.6 Hours

Environment

Temp: -119 °C

Axial Tilt: 26.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.4

Radius: 11.8

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.86 AU - 2.6 AU

Year: 2117 Days

Day: 13.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,091,690 km

• M1: 146,756 km (0.119 R)
• M2: 528,828 km (0.116 R)
• M3: 920,326 km (0.05 R)
• M4: 1,589,029 km (0.076 R)
• M5: 1,973,196 km (0.054 R)
• M6: 2,736,893 km (0.105 R)
• M7: 3,157,413 km (0.082 R)
• M8: 3,825,966 km (0.09 R)
• M9: 5,424,120 km (0.077 R)
• M10: 5,926,320 km (0.118 R)
• M11: 8,402,015 km (0.101 R)
• M12: 9,013,272 km (0.1 R)
• M13: 9,653,999 km (0.119 R)
• M14: 10,742,025 km (0.094 R)
• M15: 11,352,534 km (0.045 R)
• M16: 12,682,159 km (0.104 R)
• M17: 13,201,713 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.5

Radius: 13.5

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.08 AU - 2.6 AU

Year: 2276 Days

Day: 9.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,091,690 km

• M1: 170,841 km (0.081 R)
• M2: 782,397 km (0.11 R)
• M3: 1,307,635 km (0.073 R)
• M4: 1,862,793 km (0.059 R)
• M5: 2,819,321 km (0.09 R)
• M6: 3,358,771 km (0.059 R)
• M7: 4,818,697 km (0.059 R)
• M8: 5,570,875 km (0.118 R)
• M9: 6,140,394 km (0.101 R)
• M10: 7,138,511 km (0.112 R)
• M11: 7,781,483 km (0.069 R)
• M12: 8,462,901 km (0.088 R)
• M13: 9,490,489 km (0.088 R)
• M14: 10,451,655 km (0.107 R)
• M15: 11,673,870 km (0.107 R)
• M16: 12,819,490 km (0.111 R)
• M17: 13,949,253 km (0.071 R)
• M18: 15,003,021 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.3

Radius: 14.2

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.92 AU - 4.12 AU

Year: 5125 Days

Day: 5.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,091,690 km

• M1: 178,769 km (0.114 R)
• M2: 777,311 km (0.072 R)
• M3: 1,238,072 km (0.067 R)
• M4: 1,706,762 km (0.116 R)
• M5: 2,189,066 km (0.084 R)
• M6: 2,640,702 km (0.103 R)
• M7: 3,294,444 km (0.086 R)
• M8: 4,268,177 km (0.087 R)
• M9: 5,256,720 km (0.091 R)
• M10: 5,716,583 km (0.099 R)
• M11: 6,817,325 km (0.084 R)
• M12: 7,832,945 km (0.09 R)
• M13: 9,231,236 km (0.12 R)
• M14: 9,946,912 km (0.091 R)
• M15: 11,252,901 km (0.087 R)
• M16: 13,238,364 km (0.111 R)
• M17: 14,149,266 km (0.112 R)
• M18: 14,760,822 km (0.074 R)
• M19: 17,574,459 km (0.092 R)
• M20: 19,343,603 km (0.1 R)
• M21: 23,157,152 km (0.09 R)
• M22: 28,223,134 km (0.065 R)
• M23: 30,736,079 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.1

Radius: 12.7

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.95 AU - 4.75 AU

Year: 5769 Days

Day: 12.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,091,690 km

• M1: 165,754 km (0.09 R)
• M2: 720,763 km (0.113 R)
• M3: 1,485,956 km (0.115 R)
• M4: 5,276,167 km (0.096 R)
• M5: 5,921,981 km (0.104 R)
• M6: 7,344,208 km (0.073 R)
• M7: 8,002,289 km (0.118 R)
• M8: 9,240,361 km (0.112 R)
• M9: 9,905,473 km (0.09 R)
• M10: 10,817,721 km (0.107 R)
• M11: 13,260,056 km (0.096 R)
• M12: 14,193,547 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 579.8

Radius: 7.7

Gravity: 9.78 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.47 AU - 6.73 AU

Year: 10781 Days

Day: 17.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,091,690 km

• M1: 95,743 km (0.093 R)
• M2: 530,025 km (0.106 R)
• M3: 786,885 km (0.063 R)
• M4: 1,419,235 km (0.103 R)
• M5: 1,900,491 km (0.096 R)
• M6: 2,334,026 km (0.087 R)
• M7: 2,939,748 km (0.064 R)
• M8: 3,422,949 km (0.11 R)
• M9: 4,176,174 km (0.071 R)
• M10: 4,547,775 km (0.034 R)
• M11: 5,693,097 km (0.068 R)
• M12: 6,078,461 km (0.102 R)
• M13: 9,140,430 km (0.085 R)
• M14: 9,669,558 km (0.059 R)
• M15: 10,372,219 km (0.111 R)
• M16: 10,841,657 km (0.049 R)
• M17: 12,567,568 km (0.109 R)
• M18: 15,657,063 km (0.095 R)
• M19: 16,980,256 km (0.103 R)
• M20: 19,927,035 km (0.094 R)
• M21: 22,934,550 km (0.116 R)
• M22: 23,286,405 km (0.093 R)
• M23: 25,286,079 km (0.097 R)
• M24: 26,713,393 km (0.085 R)
• M25: 30,568,380 km (0.059 R)
• M26: 33,409,842 km (0.112 R)
• M27: 34,433,091 km (0.037 R)
• M28: 37,628,053 km (0.056 R)
• M29: 44,056,573 km (0.109 R)
• M30: 45,979,654 km (0.074 R)
• M31: 46,258,803 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 912.6

Radius: 3.8

Gravity: 63.2 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 6.58 AU - 7.84 AU

Year: 12309 Days

Day: 16.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 170.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,091,690 km

• M1: 47,273 km (0.095 R)
• M2: 168,298 km (0.119 R)
• M3: 412,142 km (0.045 R)
• M4: 822,788 km (0.11 R)
• M5: 2,087,040 km (0.093 R)
• M6: 4,342,527 km (0.037 R)
• M7: 10,063,299 km (0.084 R)
• M8: 11,554,940 km (0.105 R)
• M9: 12,041,881 km (0.106 R)
• M10: 12,862,275 km (0.058 R)
• M11: 14,543,606 km (0.092 R)
• M12: 17,135,389 km (0.107 R)
• M13: 20,105,804 km (0.075 R)
• M14: 22,452,845 km (0.057 R)
• M15: 25,278,749 km (0.119 R)
• M16: 30,576,907 km (0.041 R)
• M17: 31,506,658 km (0.114 R)
• M18: 37,352,494 km (0.096 R)
• M19: 44,174,755 km (0.094 R)
• M20: 45,963,497 km (0.091 R)
• M21: 46,570,266 km (0.118 R)
• M22: 48,893,521 km (0.087 R)
• M23: 49,051,047 km (0.059 R)
• M24: 53,101,260 km (0.081 R)
• M25: 54,105,361 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 827.5

Radius: 3.7

Gravity: 60.45 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 7.3 AU - 9.2 AU

Year: 15067 Days

Day: 24.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 116.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,091,690 km

• M1: 59,091 km (0.09 R)
• M2: 336,446 km (0.045 R)
• M3: 675,883 km (0.098 R)
• M4: 2,589,240 km (0.096 R)
• M5: 4,977,869 km (0.079 R)
• M6: 6,403,238 km (0.086 R)
• M7: 7,322,517 km (0.101 R)
• M8: 8,128,550 km (0.076 R)
• M9: 10,780,172 km (0.081 R)
• M10: 11,261,728 km (0.117 R)
• M11: 14,026,895 km (0.108 R)
• M12: 14,527,898 km (0.112 R)
• M13: 14,819,464 km (0.103 R)
• M14: 15,264,069 km (0.089 R)
• M15: 15,489,812 km (0.104 R)
• M16: 21,501,552 km (0.042 R)
• M17: 24,245,776 km (0.096 R)
• M18: 27,880,705 km (0.074 R)
• M19: 28,900,364 km (0.07 R)
• M20: 36,340,764 km (0.079 R)
• M21: 41,804,527 km (0.085 R)
• M22: 49,576,884 km (0.115 R)
• M23: 53,627,545 km (0.117 R)
• M24: 55,025,238 km (0.071 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 14,513 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit