🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.46 AU - 0.6 AU

Year: 249 Days

Day: 15.7 Hours

Environment

Temp: -124 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.4

Radius: 9.3

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2 AU - 2.08 AU

Year: 1881 Days

Day: 5.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,252,410 km

• M1: 115,639 km (0.118 R)
• M2: 503,546 km (0.072 R)
• M3: 818,600 km (0.112 R)
• M4: 1,415,794 km (0.114 R)
• M5: 1,838,558 km (0.08 R)
• M6: 2,306,201 km (0.058 R)
• M7: 3,347,851 km (0.109 R)
• M8: 3,882,663 km (0.067 R)
• M9: 4,614,945 km (0.105 R)
• M10: 5,322,991 km (0.076 R)
• M11: 5,715,087 km (0.104 R)
• M12: 6,326,793 km (0.104 R)
• M13: 7,035,737 km (0.111 R)
• M14: 7,537,190 km (0.071 R)
• M15: 9,218,071 km (0.108 R)
• M16: 9,548,682 km (0.114 R)
• M17: 10,516,581 km (0.114 R)
• M18: 11,284,467 km (0.067 R)
• M19: 11,894,228 km (0.104 R)
• M20: 12,687,246 km (0.055 R)
• M21: 14,071,924 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.4

Radius: 9.3

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.89 AU - 2.95 AU

Year: 2431 Days

Day: 11.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,252,410 km

• M1: 115,639 km (0.102 R)
• M2: 434,582 km (0.078 R)
• M3: 1,110,465 km (0.026 R)
• M4: 1,659,340 km (0.109 R)
• M5: 2,430,965 km (0.102 R)
• M6: 2,848,044 km (0.068 R)
• M7: 3,344,260 km (0.031 R)
• M8: 3,689,233 km (0.082 R)
• M9: 4,298,545 km (0.112 R)
• M10: 4,788,329 km (0.035 R)
• M11: 5,099,791 km (0.092 R)
• M12: 6,584,101 km (0.071 R)
• M13: 7,182,044 km (0.094 R)
• M14: 8,516,158 km (0.109 R)
• M15: 9,449,948 km (0.087 R)
• M16: 12,272,411 km (0.025 R)
• M17: 13,626,421 km (0.077 R)
• M18: 13,958,977 km (0.115 R)
• M19: 14,339,554 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.5

Radius: 11.6

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.48 AU - 2.5 AU

Year: 2537 Days

Day: 11.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,252,410 km

• M1: 144,212 km (0.052 R)
• M2: 525,388 km (0.063 R)
• M3: 955,182 km (0.078 R)
• M4: 1,466,508 km (0.102 R)
• M5: 2,189,664 km (0.046 R)
• M6: 2,603,003 km (0.045 R)
• M7: 3,380,014 km (0.113 R)
• M8: 3,968,981 km (0.109 R)
• M9: 4,643,518 km (0.09 R)
• M10: 5,037,409 km (0.117 R)
• M11: 7,231,112 km (0.059 R)
• M12: 8,238,355 km (0.064 R)
• M13: 8,705,698 km (0.118 R)
• M14: 9,075,056 km (0.084 R)
• M15: 9,724,011 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.2

Radius: 12.8

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.86 AU - 4.48 AU

Year: 4540 Days

Day: 6.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,252,410 km

• M1: 159,172 km (0.067 R)
• M2: 660,923 km (0.073 R)
• M3: 1,415,046 km (0.112 R)
• M4: 1,918,742 km (0.095 R)
• M5: 2,974,454 km (0.105 R)
• M6: 3,416,217 km (0.028 R)
• M7: 3,924,102 km (0.109 R)
• M8: 4,883,323 km (0.076 R)
• M9: 6,264,560 km (0.063 R)
• M10: 6,800,121 km (0.102 R)
• M11: 7,434,865 km (0.039 R)
• M12: 10,726,766 km (0.062 R)
• M13: 14,022,706 km (0.118 R)
• M14: 16,960,210 km (0.11 R)
• M15: 17,507,439 km (0.101 R)
• M16: 18,959,436 km (0.093 R)
• M17: 21,250,826 km (0.072 R)
• M18: 21,958,574 km (0.117 R)
• M19: 23,570,790 km (0.04 R)
• M20: 24,023,922 km (0.104 R)
• M21: 28,367,795 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.9

Radius: 11.8

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.46 AU - 4.3 AU

Year: 4935 Days

Day: 6.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,252,410 km

• M1: 146,905 km (0.088 R)
• M2: 880,982 km (0.086 R)
• M3: 1,593,965 km (0.093 R)
• M4: 2,337,916 km (0.043 R)
• M5: 4,809,272 km (0.051 R)
• M6: 6,336,367 km (0.11 R)
• M7: 7,976,110 km (0.081 R)
• M8: 8,837,045 km (0.101 R)
• M9: 9,913,402 km (0.048 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.7

Radius: 8.8

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.46 AU - 4.52 AU

Year: 5146 Days

Day: 14.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,252,410 km

• M1: 109,506 km (0.103 R)
• M2: 607,966 km (0.118 R)
• M3: 1,872,816 km (0.08 R)
• M4: 2,384,889 km (0.071 R)
• M5: 5,461,968 km (0.065 R)
• M6: 6,731,156 km (0.115 R)
• M7: 7,556,787 km (0.114 R)
• M8: 7,898,917 km (0.063 R)
• M9: 9,659,086 km (0.116 R)
• M10: 13,120,032 km (0.058 R)
• M11: 14,216,435 km (0.09 R)
• M12: 17,599,292 km (0.068 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.7

Radius: 9.9

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.26 AU - 6.24 AU

Year: 7767 Days

Day: 5.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,252,410 km

• M1: 123,717 km (0.056 R)
• M2: 502,649 km (0.107 R)
• M3: 1,387,071 km (0.074 R)
• M4: 2,115,015 km (0.11 R)
• M5: 2,903,844 km (0.064 R)
• M6: 3,901,064 km (0.103 R)
• M7: 4,288,223 km (0.094 R)
• M8: 4,862,679 km (0.061 R)
• M9: 5,254,326 km (0.12 R)
• M10: 6,691,962 km (0.077 R)
• M11: 8,735,768 km (0.088 R)
• M12: 9,616,002 km (0.079 R)
• M13: 10,189,859 km (0.083 R)
• M14: 11,260,980 km (0.082 R)
• M15: 12,979,410 km (0.037 R)
• M16: 15,693,714 km (0.066 R)
• M17: 19,313,833 km (0.04 R)
• M18: 22,445,665 km (0.116 R)
• M19: 23,219,834 km (0.097 R)
• M20: 24,576,537 km (0.103 R)
• M21: 28,963,345 km (0.112 R)
• M22: 33,046,020 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 952.2

Radius: 4.4

Gravity: 49.18 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.75 AU - 6.95 AU

Year: 10332 Days

Day: 22.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 55,252,410 km

• M1: 54,902 km (0.111 R)
• M2: 491,728 km (0.078 R)
• M3: 877,691 km (0.083 R)
• M4: 1,014,722 km (0.034 R)
• M5: 1,292,675 km (0.054 R)
• M6: 1,442,722 km (0.091 R)
• M7: 1,589,178 km (0.049 R)
• M8: 2,732,405 km (0.115 R)
• M9: 3,294,594 km (0.051 R)
• M10: 3,656,172 km (0.056 R)
• M11: 3,958,360 km (0.089 R)
• M12: 4,336,842 km (0.109 R)
• M13: 4,900,228 km (0.054 R)
• M14: 7,172,620 km (0.069 R)
• M15: 7,646,097 km (0.079 R)
• M16: 11,675,964 km (0.077 R)
• M17: 12,512,815 km (0.059 R)
• M18: 12,821,136 km (0.108 R)
• M19: 13,581,841 km (0.066 R)
• M20: 13,841,992 km (0.118 R)
• M21: 14,105,434 km (0.072 R)
• M22: 14,439,486 km (0.106 R)
• M23: 15,473,207 km (0.052 R)
• M24: 15,614,577 km (0.099 R)
• M25: 17,379,981 km (0.12 R)
• M26: 17,918,983 km (0.08 R)
• M27: 18,868,779 km (0.073 R)
• M28: 19,768,461 km (0.093 R)
• M29: 21,564,683 km (0.051 R)
• M30: 24,030,355 km (0.105 R)
• M31: 25,184,054 km (0.105 R)
• M32: 27,085,442 km (0.087 R)
• M33: 27,497,585 km (0.071 R)
• M34: 28,546,266 km (0.039 R)
• M35: 32,195,855 km (0.044 R)
• M36: 34,794,221 km (0.096 R)
• M37: 41,348,403 km (0.06 R)
• M38: 42,032,065 km (0.057 R)
• M39: 45,708,881 km (0.108 R)
• M40: 51,145,717 km (0.119 R)
• M41: 51,617,399 km (0.041 R)
• M42: 52,250,647 km (0.081 R)
• M43: 52,569,290 km (0.059 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 475.3

Radius: 6.1

Gravity: 12.77 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 7.57 AU - 8.61 AU

Year: 14857 Days

Day: 22.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,252,410 km

• M1: 76,145 km (0.102 R)
• M2: 755,918 km (0.072 R)
• M3: 2,187,570 km (0.11 R)
• M4: 4,970,988 km (0.1 R)
• M5: 5,205,108 km (0.112 R)
• M6: 5,411,553 km (0.055 R)
• M7: 6,488,209 km (0.093 R)
• M8: 9,974,887 km (0.116 R)
• M9: 11,757,196 km (0.032 R)
• M10: 12,661,515 km (0.105 R)
• M11: 15,938,905 km (0.057 R)
• M12: 18,359,997 km (0.094 R)
• M13: 24,875,284 km (0.075 R)
• M14: 25,859,189 km (0.091 R)
• M15: 26,059,051 km (0.075 R)
• M16: 28,859,224 km (0.106 R)
• M17: 37,039,834 km (0.107 R)
• M18: 38,712,039 km (0.116 R)
• M19: 44,171,763 km (0.098 R)
• M20: 45,467,281 km (0.082 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 487 - 14,358 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit