🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.57 AU - 0.63 AU

Year: 300 Days

Day: 40.4 Hours

Environment

Temp: -133 °C

Axial Tilt: 1.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.09 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.7

Radius: 9.4

Gravity: 10.59 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.34 AU - 1.8 AU

Year: 1270 Days

Day: 14.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 158.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,404,218 km

• M1: 117,135 km (0.087 R)
• M2: 487,539 km (0.062 R)
• M3: 791,672 km (0.109 R)
• M4: 1,118,094 km (0.047 R)
• M5: 1,482,365 km (0.089 R)
• M6: 2,111,424 km (0.057 R)
• M7: 2,494,245 km (0.07 R)
• M8: 3,307,310 km (0.104 R)
• M9: 3,658,416 km (0.105 R)
• M10: 4,550,618 km (0.089 R)
• M11: 5,559,057 km (0.086 R)
• M12: 6,317,967 km (0.078 R)
• M13: 7,624,555 km (0.045 R)
• M14: 8,798,898 km (0.036 R)
• M15: 9,257,415 km (0.119 R)
• M16: 10,188,961 km (0.116 R)
• M17: 10,660,494 km (0.098 R)
• M18: 11,146,537 km (0.029 R)
• M19: 11,538,783 km (0.107 R)
• M20: 12,502,343 km (0.111 R)
• M21: 12,809,467 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174

Radius: 14.9

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.52 AU - 1.68 AU

Year: 1307 Days

Day: 6.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 73,404,218 km

• M1: 186,100 km (0.091 R)
• M2: 696,079 km (0.076 R)
• M3: 1,246,001 km (0.089 R)
• M4: 2,563,958 km (0.107 R)
• M5: 7,258,937 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234

Radius: 10.8

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.54 AU - 2.18 AU

Year: 1638 Days

Day: 7.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,404,218 km

• M1: 134,339 km (0.063 R)
• M2: 516,412 km (0.116 R)
• M3: 1,042,099 km (0.056 R)
• M4: 1,558,211 km (0.118 R)
• M5: 2,035,429 km (0.036 R)
• M6: 2,608,837 km (0.103 R)
• M7: 3,191,521 km (0.114 R)
• M8: 3,543,375 km (0.117 R)
• M9: 4,242,895 km (0.082 R)
• M10: 4,687,649 km (0.117 R)
• M11: 6,878,360 km (0.049 R)
• M12: 7,992,266 km (0.106 R)
• M13: 8,354,143 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.7

Radius: 9.9

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.33 AU - 3.49 AU

Year: 4066 Days

Day: 9.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,404,218 km

• M1: 124,914 km (0.031 R)
• M2: 441,912 km (0.064 R)
• M3: 780,901 km (0.107 R)
• M4: 1,213,089 km (0.089 R)
• M5: 1,548,637 km (0.105 R)
• M6: 3,428,185 km (0.082 R)
• M7: 6,308,243 km (0.07 R)
• M8: 6,807,900 km (0.111 R)
• M9: 7,166,486 km (0.058 R)
• M10: 7,537,638 km (0.093 R)
• M11: 8,429,391 km (0.082 R)
• M12: 9,074,906 km (0.081 R)
• M13: 10,464,371 km (0.102 R)
• M14: 12,856,591 km (0.117 R)
• M15: 15,704,036 km (0.041 R)
• M16: 18,503,611 km (0.037 R)
• M17: 19,790,003 km (0.095 R)
• M18: 22,183,270 km (0.034 R)
• M19: 22,756,230 km (0.082 R)
• M20: 23,486,267 km (0.104 R)
• M21: 25,379,578 km (0.096 R)
• M22: 26,483,311 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.1

Radius: 10

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.91 AU - 3.97 AU

Year: 4120 Days

Day: 10 Hours

Environment

Temp: -198 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,404,218 km

• M1: 124,615 km (0.106 R)
• M2: 668,254 km (0.119 R)
• M3: 1,174,792 km (0.087 R)
• M4: 2,569,942 km (0.073 R)
• M5: 3,099,817 km (0.04 R)
• M6: 3,411,430 km (0.105 R)
• M7: 5,030,976 km (0.116 R)
• M8: 6,250,349 km (0.078 R)
• M9: 7,414,370 km (0.062 R)
• M10: 8,120,472 km (0.102 R)
• M11: 10,552,783 km (0.08 R)
• M12: 10,948,769 km (0.111 R)
• M13: 13,281,449 km (0.059 R)
• M14: 16,273,855 km (0.059 R)
• M15: 18,270,238 km (0.057 R)
• M16: 19,622,454 km (0.106 R)
• M17: 22,022,901 km (0.089 R)
• M18: 23,777,834 km (0.094 R)
• M19: 24,383,107 km (0.091 R)
• M20: 26,501,562 km (0.101 R)
• M21: 26,988,503 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.6

Radius: 9.7

Gravity: 10.18 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.93 AU - 5.75 AU

Year: 6875 Days

Day: 8.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,404,218 km

• M1: 121,623 km (0.065 R)
• M2: 424,559 km (0.119 R)
• M3: 747,989 km (0.109 R)
• M4: 1,301,801 km (0.114 R)
• M5: 1,657,844 km (0.071 R)
• M6: 3,074,535 km (0.103 R)
• M7: 3,384,502 km (0.12 R)
• M8: 6,248,404 km (0.098 R)
• M9: 6,567,047 km (0.052 R)
• M10: 8,285,029 km (0.069 R)
• M11: 9,067,576 km (0.119 R)
• M12: 9,851,169 km (0.038 R)
• M13: 10,235,337 km (0.118 R)
• M14: 11,872,536 km (0.094 R)
• M15: 14,832,030 km (0.063 R)
• M16: 16,050,356 km (0.049 R)
• M17: 16,582,774 km (0.098 R)
• M18: 19,573,385 km (0.085 R)
• M19: 21,275,211 km (0.105 R)
• M20: 21,836,801 km (0.098 R)
• M21: 23,837,673 km (0.11 R)
• M22: 26,048,729 km (0.098 R)
• M23: 32,748,619 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 990.3

Radius: 5.5

Gravity: 32.74 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.28 AU - 8.62 AU

Year: 11830 Days

Day: 16.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,404,218 km

• M1: 81,531 km (0.117 R)
• M2: 371,152 km (0.068 R)
• M3: 645,365 km (0.082 R)
• M4: 1,234,033 km (0.111 R)
• M5: 1,560,605 km (0.119 R)
• M6: 2,264,463 km (0.119 R)
• M7: 2,917,308 km (0.111 R)
• M8: 3,391,234 km (0.087 R)
• M9: 4,587,120 km (0.092 R)
• M10: 4,783,093 km (0.072 R)
• M11: 5,297,560 km (0.071 R)
• M12: 5,623,534 km (0.082 R)
• M13: 7,547,512 km (0.048 R)
• M14: 8,982,305 km (0.069 R)
• M15: 10,033,978 km (0.07 R)
• M16: 10,589,584 km (0.067 R)
• M17: 11,520,831 km (0.071 R)
• M18: 13,611,910 km (0.093 R)
• M19: 17,163,663 km (0.103 R)
• M20: 22,483,363 km (0.101 R)
• M21: 25,310,464 km (0.066 R)
• M22: 29,138,673 km (0.059 R)
• M23: 30,957,335 km (0.044 R)
• M24: 32,489,815 km (0.104 R)
• M25: 41,055,490 km (0.057 R)
• M26: 55,337,000 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 995.6

Radius: 7.8

Gravity: 16.36 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 6.91 AU - 9.89 AU

Year: 15719 Days

Day: 24.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 176.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 73,404,218 km

• M1: 98,735 km (0.037 R)
• M2: 380,727 km (0.118 R)
• M3: 899,083 km (0.11 R)
• M4: 1,215,184 km (0.116 R)
• M5: 1,903,483 km (0.055 R)
• M6: 3,460,498 km (0.108 R)
• M7: 4,280,444 km (0.091 R)
• M8: 4,718,616 km (0.083 R)
• M9: 5,298,757 km (0.041 R)
• M10: 7,563,220 km (0.106 R)
• M11: 9,707,256 km (0.033 R)
• M12: 11,197,101 km (0.078 R)
• M13: 11,576,182 km (0.074 R)
• M14: 11,833,640 km (0.099 R)
• M15: 13,459,769 km (0.025 R)
• M16: 13,816,411 km (0.104 R)
• M17: 14,179,335 km (0.088 R)
• M18: 18,514,681 km (0.094 R)
• M19: 19,951,569 km (0.065 R)
• M20: 21,172,587 km (0.044 R)
• M21: 23,249,005 km (0.119 R)
• M22: 23,659,352 km (0.113 R)
• M23: 29,086,164 km (0.102 R)
• M24: 31,147,324 km (0.083 R)
• M25: 32,531,852 km (0.085 R)
• M26: 33,825,575 km (0.088 R)
• M27: 35,558,367 km (0.043 R)
• M28: 36,240,383 km (0.116 R)
• M29: 44,013,638 km (0.108 R)
• M30: 51,776,272 km (0.103 R)
• M31: 53,537,936 km (0.112 R)
• M32: 58,872,148 km (0.087 R)
• M33: 61,569,696 km (0.12 R)
• M34: 65,360,806 km (0.113 R)
• M35: 66,178,208 km (0.094 R)
• M36: 68,251,785 km (0.049 R)
• M37: 69,516,485 km (0.1 R)
• M38: 71,442,707 km (0.111 R)
• M39: 72,746,453 km (0.106 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 16,311 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit