🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.58 AU - 0.92 AU

Year: 238 Days

Day: 25.4 Hours

Environment

Temp: 100 °C

Axial Tilt: 34.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.75 AU - 1.03 AU

Year: 308 Days

Day: 15.1 Hours

Environment

Temp: 70 °C

Axial Tilt: 37.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.72 AU - 1.18 AU

Year: 340 Days

Day: 39.4 Hours

Environment

Temp: 20 °C

Axial Tilt: 10.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.12 AU - 1.76 AU

Year: 634 Days

Day: 31.6 Hours

Environment

Temp: -38 °C

Axial Tilt: 11 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.13 AU - 3.41 AU

Year: 2171 Days

Day: 34.6 Hours

Environment

Temp: -116 °C

Axial Tilt: 10.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,125,537 km

• M1: 45,029 km (0.038 R)

Asteroid Belt

Center: 5.07 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.7

Radius: 14.2

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 6.74 AU - 6.98 AU

Year: 6596 Days

Day: 9.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 80,125,537 km

• M1: 185,053 km (0.069 R)
• M2: 914,043 km (0.102 R)
• M3: 2,010,745 km (0.034 R)
• M4: 3,333,340 km (0.05 R)
• M5: 4,171,836 km (0.103 R)
• M6: 5,118,641 km (0.041 R)
• M7: 5,673,798 km (0.103 R)
• M8: 6,432,409 km (0.119 R)
• M9: 7,186,532 km (0.099 R)
• M10: 8,871,603 km (0.086 R)
• M11: 9,331,317 km (0.071 R)
• M12: 9,984,012 km (0.046 R)
• M13: 10,666,927 km (0.073 R)
• M14: 11,139,506 km (0.096 R)
• M15: 14,502,915 km (0.056 R)
• M16: 15,024,862 km (0.101 R)
• M17: 15,619,514 km (0.079 R)
• M18: 16,540,887 km (0.072 R)
• M19: 17,303,986 km (0.066 R)
• M20: 21,401,621 km (0.094 R)
• M21: 23,555,980 km (0.103 R)
• M22: 25,097,885 km (0.118 R)
• M23: 29,016,901 km (0.078 R)
• M24: 30,978,428 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.7

Radius: 14.5

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 9.62 AU - 11.26 AU

Year: 12383 Days

Day: 11.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 80,125,537 km

• M1: 187,297 km (0.109 R)
• M2: 640,877 km (0.11 R)
• M3: 1,164,021 km (0.096 R)
• M4: 1,718,880 km (0.058 R)
• M5: 2,834,431 km (0.067 R)
• M6: 4,963,209 km (0.048 R)
• M7: 7,507,270 km (0.093 R)
• M8: 9,889,915 km (0.119 R)
• M9: 10,937,250 km (0.118 R)
• M10: 13,382,876 km (0.049 R)
• M11: 14,803,457 km (0.052 R)
• M12: 15,442,240 km (0.098 R)
• M13: 16,247,974 km (0.096 R)
• M14: 16,699,162 km (0.113 R)
• M15: 24,415,719 km (0.106 R)
• M16: 32,651,530 km (0.04 R)
• M17: 37,000,490 km (0.118 R)
• M18: 37,651,839 km (0.099 R)
• M19: 43,140,735 km (0.034 R)
• M20: 44,153,213 km (0.096 R)
• M21: 45,033,597 km (0.096 R)
• M22: 47,285,793 km (0.036 R)
• M23: 48,362,149 km (0.081 R)
• M24: 48,828,446 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.7

Radius: 5.7

Gravity: 16.12 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 13.57 AU - 18.81 AU

Year: 23913 Days

Day: 25 Hours

Environment

Temp: -192 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 80,125,537 km

• M1: 70,909 km (0.057 R)
• M2: 340,485 km (0.105 R)
• M3: 535,261 km (0.055 R)
• M4: 916,137 km (0.119 R)
• M5: 1,309,131 km (0.101 R)
• M6: 1,902,735 km (0.114 R)
• M7: 2,164,083 km (0.049 R)
• M8: 2,589,090 km (0.049 R)
• M9: 2,859,563 km (0.082 R)
• M10: 3,878,774 km (0.113 R)
• M11: 5,045,039 km (0.075 R)
• M12: 6,340,407 km (0.112 R)
• M13: 7,350,192 km (0.096 R)
• M14: 7,692,921 km (0.095 R)
• M15: 7,944,245 km (0.074 R)
• M16: 8,569,564 km (0.086 R)
• M17: 8,839,738 km (0.079 R)
• M18: 9,396,841 km (0.027 R)
• M19: 18,824,050 km (0.12 R)
• M20: 19,651,326 km (0.035 R)
• M21: 21,377,985 km (0.092 R)
• M22: 24,910,888 km (0.108 R)
• M23: 31,290,938 km (0.078 R)
• M24: 31,802,712 km (0.089 R)
• M25: 34,854,359 km (0.048 R)
• M26: 35,128,572 km (0.102 R)
• M27: 36,521,478 km (0.057 R)
• M28: 38,826,033 km (0.095 R)
• M29: 43,722,371 km (0.113 R)
• M30: 45,988,181 km (0.099 R)
• M31: 46,483,649 km (0.044 R)
• M32: 46,816,055 km (0.037 R)
• M33: 53,434,863 km (0.106 R)
• M34: 53,982,392 km (0.058 R)
• M35: 56,966,570 km (0.065 R)
• M36: 58,305,920 km (0.089 R)
• M37: 67,421,516 km (0.056 R)
• M38: 67,634,095 km (0.08 R)
• M39: 68,060,898 km (0.07 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 448.4

Radius: 6.1

Gravity: 12.05 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 15.43 AU - 19.43 AU

Year: 26713 Days

Day: 18.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 80,125,537 km

• M1: 75,846 km (0.098 R)
• M2: 290,818 km (0.082 R)
• M3: 678,576 km (0.089 R)
• M4: 1,024,596 km (0.064 R)
• M5: 1,532,032 km (0.12 R)
• M6: 2,130,872 km (0.111 R)
• M7: 3,718,105 km (0.043 R)
• M8: 4,787,880 km (0.09 R)
• M9: 5,084,682 km (0.082 R)
• M10: 5,315,212 km (0.106 R)
• M11: 7,969,677 km (0.058 R)
• M12: 9,378,739 km (0.111 R)
• M13: 10,946,375 km (0.111 R)
• M14: 12,471,825 km (0.098 R)
• M15: 13,249,435 km (0.086 R)
• M16: 14,284,951 km (0.096 R)
• M17: 15,373,575 km (0.088 R)
• M18: 15,938,157 km (0.112 R)
• M19: 18,787,099 km (0.071 R)
• M20: 20,379,419 km (0.101 R)
• M21: 21,958,125 km (0.089 R)
• M22: 22,161,129 km (0.094 R)
• M23: 24,585,662 km (0.082 R)
• M24: 25,245,987 km (0.087 R)
• M25: 25,692,836 km (0.104 R)
• M26: 26,602,241 km (0.081 R)
• M27: 28,726,531 km (0.104 R)
• M28: 29,213,472 km (0.105 R)
• M29: 31,731,204 km (0.058 R)
• M30: 35,773,488 km (0.075 R)
• M31: 40,601,909 km (0.08 R)
• M32: 42,146,657 km (0.08 R)
• M33: 44,861,709 km (0.097 R)
• M34: 55,750,938 km (0.108 R)
• M35: 57,081,012 km (0.094 R)
• M36: 58,237,703 km (0.033 R)
• M37: 60,398,944 km (0.076 R)
• M38: 66,563,872 km (0.091 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: 493 - 19,943 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit