🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.06 AU - 1.36 AU

Year: 474 Days

Day: 46.9 Hours

Environment

Temp: 3 °C

Axial Tilt: 35.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.6

Radius: 13

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 5.32 AU - 6.28 AU

Year: 4979 Days

Day: 7.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,168,391 km

• M1: 162,164 km (0.094 R)
• M2: 1,376,300 km (0.118 R)
• M3: 2,843,257 km (0.094 R)
• M4: 4,238,856 km (0.081 R)
• M5: 5,076,903 km (0.099 R)
• M6: 7,755,453 km (0.077 R)
• M7: 10,113,863 km (0.082 R)
• M8: 10,596,616 km (0.066 R)
• M9: 11,827,208 km (0.066 R)
• M10: 13,388,860 km (0.087 R)
• M11: 16,254,557 km (0.076 R)
• M12: 19,078,216 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.3

Radius: 9.2

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 6.99 AU - 8.51 AU

Year: 7690 Days

Day: 13.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,168,391 km

• M1: 119,828 km (0.11 R)
• M2: 438,322 km (0.052 R)
• M3: 726,447 km (0.093 R)
• M4: 1,101,788 km (0.092 R)
• M5: 1,593,517 km (0.081 R)
• M6: 2,257,133 km (0.072 R)
• M7: 2,583,705 km (0.119 R)
• M8: 3,094,432 km (0.034 R)
• M9: 3,415,469 km (0.045 R)
• M10: 3,962,249 km (0.109 R)
• M11: 5,427,411 km (0.117 R)
• M12: 6,750,305 km (0.119 R)
• M13: 7,189,524 km (0.077 R)
• M14: 9,805,392 km (0.092 R)
• M15: 10,954,753 km (0.102 R)
• M16: 11,325,905 km (0.11 R)
• M17: 11,801,626 km (0.061 R)
• M18: 13,256,765 km (0.093 R)
• M19: 14,771,743 km (0.1 R)
• M20: 17,008,081 km (0.103 R)
• M21: 23,568,247 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.8

Radius: 14.8

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 9.26 AU - 9.46 AU

Year: 10207 Days

Day: 11 Hours

Environment

Temp: -171 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,168,391 km

• M1: 185,501 km (0.102 R)
• M2: 738,864 km (0.094 R)
• M3: 1,970,952 km (0.12 R)
• M4: 2,646,835 km (0.116 R)
• M5: 3,495,803 km (0.054 R)
• M6: 4,912,794 km (0.082 R)
• M7: 5,385,374 km (0.083 R)
• M8: 5,857,953 km (0.111 R)
• M9: 7,517,443 km (0.082 R)
• M10: 8,147,848 km (0.106 R)
• M11: 12,343,919 km (0.108 R)
• M12: 12,856,291 km (0.047 R)
• M13: 15,516,142 km (0.031 R)
• M14: 21,902,624 km (0.087 R)
• M15: 23,191,709 km (0.104 R)
• M16: 25,589,314 km (0.101 R)
• M17: 26,424,070 km (0.116 R)
• M18: 30,314,363 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.8

Radius: 13.8

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 7.93 AU - 11.07 AU

Year: 10437 Days

Day: 13.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,168,391 km

• M1: 173,833 km (0.071 R)
• M2: 708,047 km (0.113 R)
• M3: 1,525,449 km (0.114 R)
• M4: 2,531,346 km (0.083 R)
• M5: 3,096,826 km (0.086 R)
• M6: 6,476,690 km (0.115 R)
• M7: 7,700,700 km (0.03 R)
• M8: 8,418,321 km (0.096 R)
• M9: 12,919,422 km (0.112 R)
• M10: 14,028,690 km (0.056 R)
• M11: 19,879,014 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.2

Radius: 12.7

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 8.41 AU - 10.73 AU

Year: 10553 Days

Day: 5.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,168,391 km

• M1: 158,125 km (0.117 R)
• M2: 581,188 km (0.099 R)
• M3: 1,144,723 km (0.088 R)
• M4: 1,677,890 km (0.098 R)
• M5: 3,920,511 km (0.096 R)
• M6: 4,865,970 km (0.104 R)
• M7: 5,302,497 km (0.112 R)
• M8: 5,860,945 km (0.027 R)
• M9: 6,631,674 km (0.043 R)
• M10: 8,457,216 km (0.105 R)
• M11: 8,961,660 km (0.116 R)
• M12: 14,689,763 km (0.063 R)
• M13: 16,367,353 km (0.101 R)
• M14: 16,822,430 km (0.092 R)
• M15: 19,952,616 km (0.092 R)
• M16: 21,383,819 km (0.085 R)
• M17: 21,928,056 km (0.101 R)
• M18: 27,341,404 km (0.107 R)
• M19: 29,390,895 km (0.065 R)
• M20: 33,584,872 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 223.4

Radius: 3.4

Gravity: 19.33 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 14.35 AU - 15.55 AU

Year: 20604 Days

Day: 23.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,168,391 km

• M1: 43,383 km (0.041 R)
• M2: 233,522 km (0.068 R)
• M3: 1,978,133 km (0.091 R)
• M4: 2,272,691 km (0.08 R)
• M5: 2,925,386 km (0.103 R)
• M6: 3,484,434 km (0.111 R)
• M7: 4,140,121 km (0.111 R)
• M8: 4,589,513 km (0.065 R)
• M9: 6,322,604 km (0.051 R)
• M10: 6,438,692 km (0.116 R)
• M11: 6,999,236 km (0.073 R)
• M12: 8,494,765 km (0.047 R)
• M13: 9,876,302 km (0.052 R)
• M14: 11,804,918 km (0.105 R)
• M15: 16,975,768 km (0.086 R)
• M16: 17,350,959 km (0.08 R)
• M17: 21,498,860 km (0.104 R)
• M18: 27,682,338 km (0.11 R)
• M19: 30,897,346 km (0.058 R)
• M20: 32,022,023 km (0.086 R)
• M21: 32,479,343 km (0.069 R)
• M22: 35,803,857 km (0.047 R)

Asteroid Belt

Center: 16.58 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 18.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 143.9

Radius: 6.4

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 17.14 AU - 19.26 AU

Year: 27676 Days

Day: 23.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,168,391 km

• M1: 154,235 km (0.106 R)
• M2: 636,988 km (0.096 R)
• M3: 1,195,885 km (0.058 R)
• M4: 1,783,057 km (0.115 R)
• M5: 2,077,017 km (0.095 R)
• M6: 2,829,494 km (0.115 R)
• M7: 3,280,382 km (0.061 R)
• M8: 3,917,071 km (0.111 R)
• M9: 5,902,833 km (0.116 R)
• M10: 7,607,650 km (0.108 R)
• M11: 9,209,245 km (0.039 R)
• M12: 10,303,703 km (0.117 R)
• M13: 11,308,701 km (0.054 R)
• M14: 12,316,393 km (0.041 R)
• M15: 13,773,177 km (0.115 R)
• M16: 20,154,424 km (0.071 R)
• M17: 21,453,831 km (0.025 R)
• M18: 23,742,080 km (0.069 R)
• M19: 27,004,959 km (0.111 R)
• M20: 33,323,674 km (0.11 R)
• M21: 48,017,027 km (0.058 R)
• M22: 52,547,299 km (0.112 R)
• M23: 53,031,697 km (0.12 R)

Kuiper Belt

Range: 30.8 - 56.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 216 - 16,383 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit