🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.43 AU - 0.58 AU

Year: 135 Days

Day: 28.3 Hours

Environment

Temp: 180 °C

Axial Tilt: 47.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.75 AU - 1.77 AU

Year: 894 Days

Day: 23.9 Hours

Environment

Temp: -70 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.19 AU - 3.29 AU

Year: 1737 Days

Day: 28.8 Hours

Environment

Temp: -116 °C

Axial Tilt: 23.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.7

Radius: 9.6

Gravity: 10.57 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 4.17 AU - 4.31 AU

Year: 3343 Days

Day: 9.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 98,061,729 km

• M1: 120,127 km (0.047 R)
• M2: 485,595 km (0.085 R)
• M3: 1,417,739 km (0.092 R)
• M4: 1,798,017 km (0.043 R)
• M5: 2,442,784 km (0.093 R)
• M6: 2,994,949 km (0.05 R)
• M7: 3,547,115 km (0.076 R)
• M8: 3,944,597 km (0.118 R)
• M9: 4,256,359 km (0.106 R)
• M10: 6,673,262 km (0.099 R)
• M11: 8,944,457 km (0.072 R)
• M12: 9,367,669 km (0.115 R)
• M13: 9,966,360 km (0.097 R)
• M14: 10,505,660 km (0.1 R)
• M15: 10,933,510 km (0.049 R)
• M16: 13,349,366 km (0.067 R)
• M17: 13,699,724 km (0.077 R)
• M18: 14,840,857 km (0.098 R)
• M19: 22,064,489 km (0.098 R)
• M20: 25,343,974 km (0.105 R)
• M21: 25,650,350 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.9

Radius: 10

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 6.97 AU - 7.85 AU

Year: 7723 Days

Day: 6.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 98,061,729 km

• M1: 124,316 km (0.077 R)
• M2: 561,740 km (0.046 R)
• M3: 1,025,194 km (0.118 R)
• M4: 1,810,733 km (0.115 R)
• M5: 2,417,053 km (0.07 R)
• M6: 3,574,492 km (0.073 R)
• M7: 3,901,662 km (0.095 R)
• M8: 4,616,740 km (0.103 R)
• M9: 4,975,176 km (0.107 R)
• M10: 5,580,749 km (0.086 R)
• M11: 6,270,694 km (0.09 R)
• M12: 8,331,255 km (0.068 R)
• M13: 8,729,036 km (0.11 R)
• M14: 9,047,081 km (0.113 R)
• M15: 15,715,705 km (0.026 R)
• M16: 16,599,380 km (0.118 R)
• M17: 17,301,293 km (0.036 R)
• M18: 21,438,572 km (0.119 R)
• M19: 28,314,838 km (0.103 R)
• M20: 31,285,403 km (0.117 R)
• M21: 35,025,349 km (0.086 R)
• M22: 36,296,483 km (0.088 R)
• M23: 36,648,337 km (0.099 R)
• M24: 44,442,087 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.8

Radius: 10.7

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 8.52 AU - 11.46 AU

Year: 12090 Days

Day: 10.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 98,061,729 km

• M1: 133,142 km (0.102 R)
• M2: 516,262 km (0.036 R)
• M3: 1,396,047 km (0.086 R)
• M4: 2,319,066 km (0.089 R)
• M5: 3,776,897 km (0.052 R)
• M6: 4,505,439 km (0.028 R)
• M7: 5,263,302 km (0.109 R)
• M8: 6,592,928 km (0.064 R)
• M9: 6,995,047 km (0.117 R)
• M10: 8,384,811 km (0.044 R)
• M11: 8,945,205 km (0.077 R)
• M12: 10,189,261 km (0.037 R)
• M13: 11,029,552 km (0.05 R)
• M14: 12,076,587 km (0.107 R)
• M15: 12,961,010 km (0.045 R)
• M16: 13,769,736 km (0.079 R)
• M17: 14,489,451 km (0.113 R)
• M18: 16,464,742 km (0.036 R)
• M19: 18,613,565 km (0.063 R)
• M20: 21,336,097 km (0.066 R)
• M21: 30,272,476 km (0.038 R)
• M22: 31,079,706 km (0.099 R)
• M23: 31,797,775 km (0.083 R)
• M24: 40,564,061 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 832.7

Radius: 5.1

Gravity: 32.01 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 12.2 AU - 16.98 AU

Year: 21338 Days

Day: 21.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 98,061,729 km

• M1: 68,067 km (0.068 R)
• M2: 635,492 km (0.096 R)
• M3: 990,338 km (0.1 R)
• M4: 1,501,663 km (0.119 R)
• M5: 1,983,668 km (0.093 R)
• M6: 2,918,505 km (0.075 R)
• M7: 3,603,364 km (0.088 R)
• M8: 4,354,944 km (0.101 R)
• M9: 5,206,006 km (0.107 R)
• M10: 5,733,488 km (0.072 R)
• M11: 6,846,795 km (0.093 R)
• M12: 10,153,806 km (0.101 R)
• M13: 11,771,408 km (0.118 R)
• M14: 12,964,750 km (0.096 R)
• M15: 14,469,256 km (0.08 R)
• M16: 15,671,424 km (0.111 R)
• M17: 16,423,752 km (0.109 R)
• M18: 17,820,398 km (0.071 R)
• M19: 19,675,112 km (0.037 R)
• M20: 20,353,538 km (0.11 R)
• M21: 20,847,510 km (0.108 R)
• M22: 21,654,591 km (0.095 R)
• M23: 24,310,851 km (0.089 R)
• M24: 25,431,488 km (0.06 R)
• M25: 26,821,253 km (0.067 R)
• M26: 27,415,007 km (0.054 R)
• M27: 28,875,531 km (0.072 R)
• M28: 30,644,226 km (0.032 R)
• M29: 34,535,267 km (0.11 R)
• M30: 35,521,416 km (0.062 R)
• M31: 37,697,616 km (0.103 R)
• M32: 38,442,314 km (0.072 R)
• M33: 39,196,886 km (0.076 R)
• M34: 40,269,652 km (0.072 R)
• M35: 41,047,861 km (0.076 R)
• M36: 46,097,537 km (0.072 R)
• M37: 50,459,511 km (0.084 R)
• M38: 51,545,891 km (0.109 R)
• M39: 55,470,890 km (0.034 R)
• M40: 67,773,520 km (0.096 R)
• M41: 80,294,712 km (0.088 R)
• M42: 81,774,385 km (0.101 R)
• M43: 84,788,034 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 949.8

Radius: 3.6

Gravity: 73.29 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 13.1 AU - 19.2 AU

Year: 24850 Days

Day: 15.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 98,061,729 km

• M1: 57,745 km (0.099 R)
• M2: 201,808 km (0.115 R)
• M3: 343,626 km (0.061 R)
• M4: 1,032,525 km (0.115 R)
• M5: 1,827,787 km (0.072 R)
• M6: 5,131,357 km (0.095 R)
• M7: 5,551,577 km (0.083 R)
• M8: 8,057,341 km (0.109 R)
• M9: 10,156,349 km (0.081 R)
• M10: 11,365,848 km (0.106 R)
• M11: 13,123,473 km (0.109 R)
• M12: 13,511,081 km (0.097 R)
• M13: 23,292,089 km (0.076 R)
• M14: 25,739,361 km (0.12 R)
• M15: 31,965,026 km (0.114 R)
• M16: 39,602,745 km (0.095 R)
• M17: 43,583,395 km (0.058 R)
• M18: 47,459,176 km (0.103 R)
• M19: 47,640,639 km (0.115 R)
• M20: 49,108,792 km (0.12 R)
• M21: 54,088,157 km (0.08 R)
• M22: 54,683,557 km (0.097 R)
• M23: 55,283,145 km (0.047 R)
• M24: 68,447,309 km (0.108 R)
• M25: 70,550,655 km (0.06 R)
• M26: 74,640,362 km (0.114 R)
• M27: 82,499,785 km (0.085 R)
• M28: 87,035,144 km (0.119 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: 325 - 19,660 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit