🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.61 AU - 0.63 AU

Year: 221 Days

Day: 27.7 Hours

Environment

Temp: -17 °C

Axial Tilt: 39.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.99 AU - 1.15 AU

Year: 501 Days

Day: 23.2 Hours

Environment

Temp: -71 °C

Axial Tilt: 19.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,171,735 km

• M1: 387,309 km (0.097 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.09 AU - 1.33 AU

Year: 603 Days

Day: 39.3 Hours

Environment

Temp: -97 °C

Axial Tilt: 1.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.1

Radius: 11.3

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.77 AU - 2.79 AU

Year: 2100 Days

Day: 5.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 94.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,171,735 km

• M1: 140,622 km (0.073 R)
• M2: 687,701 km (0.092 R)
• M3: 1,468,303 km (0.113 R)
• M4: 1,884,484 km (0.081 R)
• M5: 2,239,480 km (0.104 R)
• M6: 3,233,259 km (0.105 R)
• M7: 3,847,059 km (0.096 R)
• M8: 4,280,294 km (0.101 R)
• M9: 6,094,767 km (0.042 R)
• M10: 6,907,981 km (0.104 R)
• M11: 7,497,995 km (0.115 R)
• M12: 12,131,490 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.6

Radius: 11.8

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.95 AU - 3.41 AU

Year: 2569 Days

Day: 12.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,171,735 km

• M1: 146,756 km (0.025 R)
• M2: 516,711 km (0.093 R)
• M3: 1,153,848 km (0.072 R)
• M4: 1,726,210 km (0.084 R)
• M5: 2,317,720 km (0.088 R)
• M6: 3,223,086 km (0.113 R)
• M7: 3,645,999 km (0.097 R)
• M8: 4,126,059 km (0.091 R)
• M9: 4,713,679 km (0.11 R)
• M10: 5,284,844 km (0.051 R)
• M11: 6,109,128 km (0.11 R)
• M12: 6,732,951 km (0.084 R)
• M13: 7,162,447 km (0.117 R)
• M14: 7,918,814 km (0.111 R)
• M15: 8,828,518 km (0.098 R)
• M16: 10,321,954 km (0.117 R)
• M17: 11,487,471 km (0.12 R)
• M18: 12,652,539 km (0.066 R)
• M19: 13,532,025 km (0.048 R)
• M20: 17,354,699 km (0.083 R)
• M21: 17,837,601 km (0.119 R)
• M22: 18,495,533 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.6

Radius: 12.6

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.65 AU - 4.17 AU

Year: 2853 Days

Day: 12.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,171,735 km

• M1: 158,275 km (0.105 R)
• M2: 810,671 km (0.116 R)
• M3: 1,236,875 km (0.041 R)
• M4: 1,706,762 km (0.087 R)
• M5: 2,102,299 km (0.102 R)
• M6: 3,320,774 km (0.103 R)
• M7: 3,946,990 km (0.112 R)
• M8: 5,510,288 km (0.1 R)
• M9: 8,138,872 km (0.095 R)
• M10: 9,141,028 km (0.093 R)
• M11: 13,894,501 km (0.093 R)
• M12: 17,008,231 km (0.12 R)
• M13: 17,596,001 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.5

Radius: 8.4

Gravity: 11.37 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.63 AU - 4.19 AU

Year: 2853 Days

Day: 5.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,171,735 km

• M1: 104,419 km (0.107 R)
• M2: 383,719 km (0.04 R)
• M3: 716,723 km (0.117 R)
• M4: 1,146,817 km (0.1 R)
• M5: 1,584,541 km (0.077 R)
• M6: 2,130,274 km (0.115 R)
• M7: 2,440,091 km (0.067 R)
• M8: 2,877,964 km (0.109 R)
• M9: 3,730,223 km (0.098 R)
• M10: 4,334,598 km (0.119 R)
• M11: 4,788,329 km (0.031 R)
• M12: 5,248,192 km (0.091 R)
• M13: 5,605,881 km (0.044 R)
• M14: 5,979,576 km (0.088 R)
• M15: 6,284,906 km (0.118 R)
• M16: 7,388,938 km (0.091 R)
• M17: 9,483,458 km (0.039 R)
• M18: 11,013,395 km (0.112 R)
• M19: 12,520,444 km (0.072 R)
• M20: 13,160,125 km (0.028 R)
• M21: 13,966,008 km (0.086 R)
• M22: 16,909,047 km (0.1 R)
• M23: 18,205,462 km (0.118 R)
• M24: 20,365,805 km (0.117 R)
• M25: 21,767,089 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.9

Radius: 13.9

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 8.43 AU - 9.05 AU

Year: 11706 Days

Day: 13.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,171,735 km

• M1: 172,935 km (0.118 R)
• M2: 671,395 km (0.093 R)
• M3: 1,969,905 km (0.087 R)
• M4: 3,659,912 km (0.048 R)
• M5: 4,572,908 km (0.041 R)
• M6: 5,390,610 km (0.104 R)
• M7: 6,106,884 km (0.102 R)
• M8: 6,921,295 km (0.119 R)
• M9: 7,730,171 km (0.106 R)
• M10: 9,984,311 km (0.12 R)
• M11: 11,018,033 km (0.029 R)
• M12: 13,298,054 km (0.067 R)
• M13: 13,800,703 km (0.086 R)
• M14: 15,753,254 km (0.08 R)
• M15: 20,054,492 km (0.116 R)
• M16: 21,928,953 km (0.106 R)
• M17: 23,510,652 km (0.117 R)
• M18: 24,081,816 km (0.032 R)
• M19: 27,077,813 km (0.119 R)
• M20: 29,647,306 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.5

Radius: 6.6

Gravity: 14.27 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 9.31 AU - 11.19 AU

Year: 14867 Days

Day: 19.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,171,735 km

• M1: 85,420 km (0.108 R)
• M2: 617,540 km (0.073 R)
• M3: 845,677 km (0.083 R)
• M4: 1,257,071 km (0.103 R)
• M5: 2,060,112 km (0.105 R)
• M6: 2,828,597 km (0.11 R)
• M7: 9,119,785 km (0.102 R)
• M8: 10,290,239 km (0.06 R)
• M9: 11,319,921 km (0.112 R)
• M10: 12,861,527 km (0.092 R)
• M11: 16,889,899 km (0.117 R)
• M12: 46,933,190 km (0.092 R)
• M13: 47,701,974 km (0.114 R)
• M14: 49,264,972 km (0.11 R)
• M15: 55,003,846 km (0.087 R)

Planet 10 - Ice Giant

Semi-Major Axis: 14.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 82.9

Radius: 6

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 11.7 AU - 17.62 AU

Year: 25429 Days

Day: 16.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,171,735 km

• M1: 81,531 km (0.074 R)
• M2: 353,799 km (0.088 R)
• M3: 1,338,153 km (0.106 R)
• M4: 1,997,880 km (0.069 R)
• M5: 8,284,132 km (0.066 R)
• M6: 9,504,701 km (0.118 R)
• M7: 12,017,945 km (0.067 R)
• M8: 13,159,975 km (0.103 R)
• M9: 13,757,469 km (0.107 R)
• M10: 24,566,663 km (0.078 R)
• M11: 24,925,997 km (0.063 R)
• M12: 26,024,943 km (0.079 R)
• M13: 26,492,137 km (0.07 R)
• M14: 27,636,411 km (0.1 R)
• M15: 29,616,190 km (0.099 R)
• M16: 36,235,447 km (0.088 R)
• M17: 39,333,319 km (0.055 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: 216 - 18,134 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit