🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.88 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.71 AU - 1.79 AU

Year: 863 Days

Day: 42.5 Hours

Environment

Temp: -62 °C

Axial Tilt: 6.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.65 AU - 3.59 AU

Year: 2054 Days

Day: 42 Hours

Environment

Temp: -115 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,584,037 km

• M1: 42,635 km (0.05 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.49 AU - 3.97 AU

Year: 2685 Days

Day: 22.7 Hours

Environment

Temp: -123 °C

Axial Tilt: 3.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,584,037 km

• M1: 2,697,549 km (0.094 R)

Asteroid Belt

Center: 4.41 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.9

Radius: 13.7

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.95 AU - 6.21 AU

Year: 4268 Days

Day: 10.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,584,037 km

• M1: 171,290 km (0.086 R)
• M2: 816,206 km (0.115 R)
• M3: 1,350,869 km (0.049 R)
• M4: 1,994,588 km (0.114 R)
• M5: 3,023,523 km (0.054 R)
• M6: 4,858,939 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.9

Radius: 10

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.74 AU - 6.56 AU

Year: 5685 Days

Day: 12.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 50,584,037 km

• M1: 124,316 km (0.077 R)
• M2: 712,235 km (0.09 R)
• M3: 1,039,107 km (0.096 R)
• M4: 1,726,659 km (0.06 R)
• M5: 2,092,874 km (0.03 R)
• M6: 2,564,855 km (0.105 R)
• M7: 2,944,684 km (0.096 R)
• M8: 3,296,838 km (0.108 R)
• M9: 4,111,697 km (0.105 R)
• M10: 4,553,310 km (0.066 R)
• M11: 4,969,192 km (0.084 R)
• M12: 5,718,678 km (0.117 R)
• M13: 6,104,341 km (0.083 R)
• M14: 6,507,358 km (0.06 R)
• M15: 6,821,214 km (0.048 R)
• M16: 7,366,947 km (0.104 R)
• M17: 8,099,678 km (0.077 R)
• M18: 8,628,506 km (0.113 R)
• M19: 9,180,223 km (0.11 R)
• M20: 9,845,784 km (0.107 R)
• M21: 10,167,270 km (0.113 R)
• M22: 10,543,209 km (0.055 R)
• M23: 12,404,506 km (0.118 R)
• M24: 13,162,817 km (0.059 R)
• M25: 13,779,909 km (0.03 R)
• M26: 14,534,181 km (0.066 R)
• M27: 17,225,746 km (0.075 R)
• M28: 20,904,208 km (0.109 R)
• M29: 23,167,773 km (0.053 R)
• M30: 23,984,727 km (0.097 R)
• M31: 27,085,891 km (0.078 R)
• M32: 29,107,108 km (0.119 R)
• M33: 30,058,401 km (0.049 R)
• M34: 30,444,663 km (0.087 R)
• M35: 31,922,540 km (0.072 R)
• M36: 34,596,901 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.6

Radius: 10.6

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.96 AU - 7.76 AU

Year: 5979 Days

Day: 5.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,584,037 km

• M1: 131,945 km (0.094 R)
• M2: 512,223 km (0.07 R)
• M3: 862,881 km (0.103 R)
• M4: 1,907,223 km (0.108 R)
• M5: 2,407,479 km (0.102 R)
• M6: 3,976,910 km (0.091 R)
• M7: 4,609,559 km (0.119 R)
• M8: 5,020,505 km (0.075 R)
• M9: 6,503,169 km (0.117 R)
• M10: 8,418,171 km (0.072 R)
• M11: 10,730,057 km (0.084 R)
• M12: 11,160,899 km (0.118 R)
• M13: 13,001,252 km (0.107 R)
• M14: 14,976,542 km (0.048 R)
• M15: 16,066,662 km (0.075 R)
• M16: 17,933,344 km (0.083 R)
• M17: 20,519,293 km (0.088 R)
• M18: 23,424,035 km (0.088 R)
• M19: 26,941,679 km (0.071 R)
• M20: 29,941,415 km (0.116 R)
• M21: 32,357,271 km (0.091 R)
• M22: 33,969,936 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.3

Radius: 10.9

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 6.21 AU - 7.97 AU

Year: 7038 Days

Day: 7 Hours

Environment

Temp: -153 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,584,037 km

• M1: 135,835 km (0.103 R)
• M2: 632,799 km (0.076 R)
• M3: 1,173,446 km (0.096 R)
• M4: 1,645,427 km (0.107 R)
• M5: 2,100,055 km (0.087 R)
• M6: 2,565,753 km (0.119 R)
• M7: 2,999,288 km (0.063 R)
• M8: 3,615,631 km (0.044 R)
• M9: 4,162,860 km (0.081 R)
• M10: 5,216,927 km (0.097 R)
• M11: 6,373,468 km (0.037 R)
• M12: 8,040,437 km (0.049 R)
• M13: 8,975,124 km (0.097 R)
• M14: 9,800,605 km (0.046 R)
• M15: 10,254,934 km (0.111 R)
• M16: 12,371,295 km (0.113 R)
• M17: 15,361,757 km (0.092 R)
• M18: 16,351,795 km (0.097 R)
• M19: 19,223,177 km (0.084 R)
• M20: 20,372,388 km (0.105 R)
• M21: 23,849,940 km (0.107 R)
• M22: 27,794,985 km (0.073 R)
• M23: 29,921,669 km (0.116 R)
• M24: 32,353,980 km (0.051 R)
• M25: 33,978,164 km (0.097 R)
• M26: 34,392,550 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.3

Radius: 12.3

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 9.03 AU - 9.31 AU

Year: 10352 Days

Day: 9.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,584,037 km

• M1: 153,039 km (0.103 R)
• M2: 697,276 km (0.113 R)
• M3: 1,382,883 km (0.108 R)
• M4: 1,948,811 km (0.081 R)
• M5: 2,728,216 km (0.119 R)
• M6: 3,654,227 km (0.053 R)
• M7: 4,934,785 km (0.098 R)
• M8: 5,523,752 km (0.075 R)
• M9: 7,326,107 km (0.043 R)
• M10: 9,541,651 km (0.067 R)
• M11: 10,883,544 km (0.116 R)
• M12: 15,185,381 km (0.043 R)
• M13: 19,852,236 km (0.111 R)
• M14: 20,588,856 km (0.109 R)
• M15: 22,819,510 km (0.032 R)
• M16: 25,301,787 km (0.115 R)
• M17: 29,830,713 km (0.088 R)
• M18: 33,937,773 km (0.086 R)
• M19: 38,659,680 km (0.081 R)
• M20: 46,322,532 km (0.094 R)
• M21: 49,532,453 km (0.093 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 281 - 10,958 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit