🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.45 AU - 0.59 AU

Year: 246 Days

Day: 18.2 Hours

Environment

Temp: -116 °C

Axial Tilt: 20 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.51 AU - 0.53 AU

Year: 246 Days

Day: 28.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 42.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.53 AU - 0.75 AU

Year: 336 Days

Day: 38.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.52 AU - 0.78 AU

Year: 344 Days

Day: 29.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 29 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.2

Radius: 13.2

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.65 AU - 1.05 AU

Year: 514 Days

Day: 8.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,957,229 km

• M1: 164,109 km (0.099 R)
• M2: 723,605 km (0.085 R)
• M3: 1,663,528 km (0.11 R)
• M4: 2,183,979 km (0.101 R)
• M5: 3,081,567 km (0.099 R)
• M6: 3,684,596 km (0.111 R)
• M7: 4,323,229 km (0.099 R)
• M8: 5,737,378 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.8

Radius: 14.1

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.36 AU - 1.42 AU

Year: 1075 Days

Day: 10.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,957,229 km

• M1: 181,013 km (0.093 R)
• M2: 740,659 km (0.116 R)
• M3: 1,220,719 km (0.051 R)
• M4: 1,952,252 km (0.106 R)
• M5: 2,515,638 km (0.105 R)
• M6: 3,488,024 km (0.097 R)
• M7: 4,148,798 km (0.101 R)
• M8: 4,698,271 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.4

Radius: 11

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.54 AU - 5.02 AU

Year: 6856 Days

Day: 10.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,957,229 km

• M1: 137,480 km (0.034 R)
• M2: 662,868 km (0.042 R)
• M3: 1,143,975 km (0.067 R)
• M4: 2,590,886 km (0.105 R)
• M5: 3,141,555 km (0.07 R)
• M6: 3,988,130 km (0.064 R)
• M7: 5,304,890 km (0.115 R)
• M8: 5,738,874 km (0.084 R)
• M9: 6,196,344 km (0.037 R)
• M10: 8,903,317 km (0.082 R)
• M11: 9,295,114 km (0.081 R)
• M12: 14,047,988 km (0.074 R)
• M13: 14,760,224 km (0.075 R)
• M14: 15,684,290 km (0.104 R)
• M15: 17,511,628 km (0.11 R)
• M16: 18,476,683 km (0.097 R)
• M17: 21,274,762 km (0.094 R)
• M18: 22,533,179 km (0.115 R)
• M19: 24,939,760 km (0.113 R)
• M20: 28,066,505 km (0.095 R)
• M21: 28,627,647 km (0.054 R)
• M22: 30,453,788 km (0.109 R)
• M23: 31,646,382 km (0.056 R)
• M24: 33,180,808 km (0.06 R)
• M25: 34,764,002 km (0.043 R)
• M26: 36,286,759 km (0.068 R)
• M27: 37,064,518 km (0.091 R)
• M28: 37,626,856 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.2

Radius: 9.5

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 4.09 AU - 5.77 AU

Year: 7181 Days

Day: 14.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,957,229 km

• M1: 118,182 km (0.09 R)
• M2: 441,613 km (0.052 R)
• M3: 836,402 km (0.098 R)
• M4: 1,512,135 km (0.111 R)
• M5: 1,838,408 km (0.049 R)
• M6: 2,385,039 km (0.032 R)
• M7: 2,688,423 km (0.1 R)
• M8: 3,114,029 km (0.12 R)
• M9: 5,425,017 km (0.073 R)
• M10: 7,358,719 km (0.116 R)
• M11: 7,678,560 km (0.105 R)
• M12: 9,797,763 km (0.039 R)
• M13: 10,583,451 km (0.093 R)
• M14: 11,457,701 km (0.119 R)
• M15: 11,888,244 km (0.045 R)
• M16: 12,781,792 km (0.05 R)
• M17: 14,535,378 km (0.095 R)
• M18: 15,325,703 km (0.101 R)
• M19: 16,383,510 km (0.089 R)
• M20: 17,678,429 km (0.107 R)
• M21: 18,578,859 km (0.085 R)
• M22: 20,751,169 km (0.111 R)
• M23: 25,271,419 km (0.033 R)
• M24: 27,760,129 km (0.104 R)
• M25: 30,045,386 km (0.07 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447.6

Radius: 6.6

Gravity: 10.28 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.48 AU - 8.24 AU

Year: 11787 Days

Day: 23.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 70,957,229 km

• M1: 82,428 km (0.108 R)
• M2: 562,039 km (0.046 R)
• M3: 780,302 km (0.114 R)
• M4: 1,165,966 km (0.106 R)
• M5: 1,409,511 km (0.102 R)
• M6: 2,830,392 km (0.112 R)
• M7: 3,345,756 km (0.072 R)
• M8: 4,001,743 km (0.115 R)
• M9: 4,332,055 km (0.099 R)
• M10: 4,922,967 km (0.113 R)
• M11: 6,596,369 km (0.057 R)
• M12: 7,136,866 km (0.064 R)
• M13: 7,832,346 km (0.1 R)
• M14: 8,438,217 km (0.103 R)
• M15: 8,798,300 km (0.093 R)
• M16: 9,357,347 km (0.068 R)
• M17: 9,743,160 km (0.098 R)
• M18: 10,964,327 km (0.064 R)
• M19: 12,000,891 km (0.108 R)
• M20: 14,267,448 km (0.098 R)
• M21: 16,041,380 km (0.108 R)
• M22: 18,105,232 km (0.083 R)
• M23: 18,328,282 km (0.088 R)
• M24: 18,932,359 km (0.054 R)
• M25: 19,393,868 km (0.062 R)
• M26: 19,863,007 km (0.088 R)
• M27: 20,742,642 km (0.064 R)
• M28: 21,150,895 km (0.045 R)
• M29: 24,070,896 km (0.118 R)
• M30: 29,039,490 km (0.051 R)
• M31: 31,226,012 km (0.041 R)
• M32: 35,923,834 km (0.115 R)
• M33: 36,988,373 km (0.114 R)
• M34: 37,468,283 km (0.107 R)
• M35: 40,561,667 km (0.05 R)
• M36: 44,493,249 km (0.085 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 438.5

Radius: 6.1

Gravity: 11.78 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 8.99 AU - 12.13 AU

Year: 22512 Days

Day: 22.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 70,957,229 km

• M1: 76,445 km (0.081 R)
• M2: 350,209 km (0.032 R)
• M3: 554,410 km (0.1 R)
• M4: 810,222 km (0.116 R)
• M5: 1,170,155 km (0.071 R)
• M6: 1,470,996 km (0.062 R)
• M7: 1,914,105 km (0.12 R)
• M8: 4,411,192 km (0.099 R)
• M9: 5,141,978 km (0.068 R)
• M10: 5,594,362 km (0.077 R)
• M11: 6,449,164 km (0.113 R)
• M12: 6,665,034 km (0.081 R)
• M13: 6,885,541 km (0.098 R)
• M14: 7,720,447 km (0.065 R)
• M15: 8,882,972 km (0.099 R)
• M16: 9,423,170 km (0.115 R)
• M17: 10,808,745 km (0.067 R)
• M18: 11,361,659 km (0.076 R)
• M19: 12,062,824 km (0.085 R)
• M20: 15,850,194 km (0.093 R)
• M21: 17,464,055 km (0.12 R)
• M22: 21,489,884 km (0.047 R)
• M23: 22,758,922 km (0.063 R)
• M24: 24,284,073 km (0.052 R)
• M25: 25,552,364 km (0.092 R)
• M26: 28,915,324 km (0.117 R)
• M27: 30,339,196 km (0.059 R)
• M28: 33,197,862 km (0.089 R)
• M29: 46,270,322 km (0.094 R)
• M30: 48,379,503 km (0.09 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 16,607 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit